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TA8690AN
PAL/NTSC DUAL MODE COLOR TV SINGLE CHIP SIGNAL PROCESSING IC
TOSHIBA TA8690AN
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA8690AN
PAL/NTSC DUAL MODE COLOR TV SINGLE CHIP SIGNAL PROCESSING
The TA8690AN is provided with the circuit of PIF, SIF,
video, chroma, deflection. And the package the small DIP
(shrink DIP with 54pins). With this item, the PAL/NTSC
Dual Mode Color TV is to be composed of fewer
components, and with small area.
FEATURES
PIF stage
9 3 Stage Variable Gain IF AMP
SDIPS4-P-600-1.78
Weight : 5.44g (Typ.)
0 High Speed response AGC (peak AGC) with dual time
constants
0 Single end AFT output with defeat function
0 RF delay AGC output (Reverse AGC)
It internal black/white noise inverter
SIF stage
It Quadrature FM Detection Circuit
0 Adjustment free Detection Circuit with ceramic discriminater
0 High performance electronic attenuater circuit
0 NF Preamplifier Circuit
Video stage
0 Secondary Differential Picture Sharpness Circuit
It Contrast Control with Uni-color function
e Brightness Control with Pedestal Clamp Circuit
0 Internal Blanking Circuit
000707EBA2
O TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction
or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA
products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a mal unction or
failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent
TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the "Handling Guide for Semiconductor
Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc..
0 The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office
equipment, measurini equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for
usage in equipment t at requires extraordinarily high quality and/or reliability or a malfunction or failure of which m.ay cause loss of human life or
bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation
instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of
TOSHIBA products listed in this document shall be made at the customer's own risk.
o The products described in this document are subject to the foreign exchange and foreign trade laws.
0 The information contained herein is presented only as a guide for the apflications of our products. No responsibility is assumed by TOSHIBA
CORPORATION for any infringements of intellectual property or other rights o the third parties which may result from its use. No license is granted
by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others.
o The information contained herein is subject to change without notice.
2001-01-10 1/48
TOSHIBA
TA8690AN
Chroma stage
ACC Circuit
Color Control Circuit
Uni-Color Control Circuit
Color Differtencial output
Adjustment free APC Circuit
Killer Circuit
OSD interface with Brightness control
PAL/ NTSC system SW
TINT Control Circuit at NTSC Mode
Deflection stage
High performance sync. separation circuit
Adjustment free Countdown system
AFC Circuit
Flyback pulse input with sync. output
Horizontal Pre-Drive Output
X-ray Protection Circuit
Vertical Pulse Output
50Hz/60Hz auto detector
50Hz/60Hz manual SW
2001-01-10 2/48
TOSHIBA
TA8690AN
BLOCK DIAGRAM
OSD G Input
V. Sepa. Filter
V. Pulse Output
Video Input
Tint Control
Hi Video Input
Brightness Control
Chroma Input
Sync. Sepa. Input
V/C/D GND
D.C. Drive
Contrast Control
Color Control
Delayed Signal Input
Killer Filter
PIF Det. Output
PlF/SIF Vcc
PIF Tank
PIF Tank
AFT Tank
AFT Output
SIF Input
ATT Control
RF AGC Output
RF AGC Delay
Sound Output
OSD Brightness
Sharpness
Control
Matrix
Control
Interface
OSD B Input
OSD R Input
32fH VCO
AFC Filter
H. Output
FBP Input
X-ray Protect Input
-Y Output
G-Y Output
B-Y Output
R-Y Output
Clamp Filter
fsc VCXO
V/C/D VCC
fsc VCXO
APC Filter
PIF Input
PIF Input
PIF/SIF GND
AGC Filter 2
AGC Filter 1
SIF Limit Output
SIF Det. Input
De-emphasis
Sound NF Input
ATT Input
2001-01-10 3/48
TOSHIBA
TERMINAL FUNCTION
TA8690AN
PIN No. PIN NAME
FUNCTION
INTERFACE CIRCUIT
1 ATT Input
Input terminal for audio
amplifier.
3 .8V GOkQ
2 Sound NF Input NFB t.trminal for audio
amplifier. Cl Cl
3 De-emphasis A SlFfete.ction de-emphasis S,
capacitor IS connected. 3
4 SIF Det. Input
A 4.5MH2 tuned tank circuit
is connected. The detector
muting function is on when
this terminal is connected to
5 SIF Limit Output
A sound carrier output to
drive SIF tuned tank coil
circuit.
2001-01-10 4/48
TOSHIBA
TA8690AN
PIN No.
PIN NAME
FUNCTION
INTERFACE CIRCUIT
AGC Filter 1
AGC Filter 2
Pins6 and 7 are AGC time
constant terminals. A dual
time constant system is
adopted in order to achieve
a high speed response.
PIF/SIF GND
GND terminal for pin 39 VCC-
PIF Input
PIF signal input terminal.
Input impedance : 2.5k0 Typ.
APC Filter
APC filter time constant is
connected. When killer works,
automatic search circuit
operates in order to widen
the puII-in range. The search
speed is also determined by
the external filter time
constant.
-g- Vcc
fsc vcxo
A fsc Wtal is connected
between pins11 and 13. Pin
is a drive output and pin is
an input.
2009 co
2001-01-10 5/48
TOSHIBA
TA8690AN
PIN No. PIN NAME
FUNCTION
INTERFACE CIRCUIT
13 V/C/D Vcc
VCC terminal for Video,
Chroma, Deflection.
15 Clamp Filter
A terminal for a pedestal
clamp capacitor.
16 R-Y Output Color differential signal 16
17 B-Y Output out uts 17 509
18 G-Y Output p . 18 g,
The output terminal of video
signal which is processed by
19 -Y Output vertical blanking and [iii,
horizontal blanking. Col
X-ray Protect
20 Input
The input terminal of the X-
ray protector. Pin 21
horizontal drive terminal
turns to low when the input
voltage of this terminal
exceeds the specified
threshold voltage, 1.3V Typ.
21 FBP Input
Input terminal for fly back
pulse to horizontal AFC
circuit (the integrator circuit
for a sawtooth wave is
provided internally). Pin 21
terminal voltage is clamped
to 4.2V during Sync. pulse
period.
2001-01-10 6/48
TOSHIBA
TA8690AN
PIN No. PIN NAME FUNCTION INTERFACE CIRCUIT
Horizontal output terminal
22 H. Out ut (emitter follower).
p Amplitude : 5.0Vp-p (Typ.) 200
Duty : 43% (Typ.)
n HA/CC
23 AFC Filter AFC filter is connected. >
Adjustment free 32fH lt I
24 32fH VCO oscillator. A ceramic resonater
is connected.
VCC for Horizontal
25 H.Vcc Deflection. H.VCC=9V (Typ.) -
made by external parts.
. - Vcc
OSD (On Screen Display)
26 OSD R Input signal input terminal. OSD IL
27 OSD B Input switch circuit is enabled by 26 .
28 OSD G Input sink current at the input 270% > .-
terminal (0.3mA Typ.) 28 r 'rf j
29 V. Sepa. Filter .Vertical sync. separation filter
IS connected.
2001-01-10 7/48
TOSHIBA TA8690AN
PIN No. PIN NAME FUNCTION INTERFACE CIRCUIT
Vertical pulse output
30 V. Pulse Output terminal. (10H width positive Cao?
pulse) 1000 E
Input terminal of delayed
31 Video Input video signal, 1Vp-p (Typ.).
The terminal for tint control.
And also PAL/NTSC SW.
32 Tint Control
VOLTAGE MODE
0.7V + NTSC
0.7V - PAL
The second order differential
video signal input terminal
and the picture sharpness
control terminal.
33 Hi Video Input
2001-01-10 8/48
TOSHIBA TA8690AN
PIN No. PIN NAME FUNCTION INTERFACE CIRCUIT
34 Brightness Control Brightness control terminal.
Chroma signal input terminal. 1000 a,-,-,), E
Recommendable input burst ‘2 2
signal level is 100mVp-p. ' L;
35 Chroma Input 50Hz/60Hz Detect out f l A
60Hz : 1.2V
50Hz : 5.0V 1.5m )i- "n-ht)
< 50/60
Video signal input for HIV
sync. separator. Automatic
36 Sync. Sepa. Input slicer (slice level is
approximately 50% of sync.
signal) is adopted.
37 V/C/D GND GND fer Video/Chroma/ -
Deflection.
The chroma signal output for
38 D.C. Drive a 1H delay line driving.
2001-01-10 9/48
TOSHIBA
TA8690AN
PIN No.
PIN NAME
FUNCTION
INTERFACE CIRCUIT
Contrast Control
Video gain and color gain
are controlled by this
terminal simultaneously.
When the terminal pin 39
Voltage is set to 1.4V--GND,
V-out is stop and Contrast
Control is min.
Color Control
Color saturation control
terminal. When the color
killer circuit operates, this
terminal voltage turns low.
Killer
Delayed Signal
1H delayed chroma signal
input. The signal phase shift
between pins 38 and 41
should be less than 5 deg.
The signal loss of the 1H
delay line should be 16dB.
50Hz Mode : 3.0V
60Hz Mode : 6.0V
2001-01-10 10/48
TOSHIBA
TA8690AN
PIN No. PIN NAME FUNCTION INTERFACE CIRCUIT
A capacitor for an ident filter
is connected. For B/W signal,
the terminal voltage of pin 42
is around 8V. When color . .
signal is applied, an ident is VCC
correct the terminal voltage fi-
goes high whereas it goes C4) l l
. . low during incorrect ident. 15kQ
42 Killer Filter
3, Killer Off 3000
g 5.9V --__
E W £9191--- it.
'i',-'. . KillerOff l sct
PAL Mode Burst
w Gate
_,r'r'l 5.9V -r. --------
E Killer Off
NTSC Mode
An output terminal for )i-
4 PIF D . . .
3 et Output detected video signal. Cat"
44 IF Vcc Vcc for PIF/SIF. -
(is) r?,
45 PIF Tank Terminals for a video Det. r-M-- l)
46 tank circuit. a) " 'I
A sin Ie ended turned tank is ,
g Cir) I N,
47 AFT Tank connected. To defeat AFT, 9:
this terminal is GNDed by a 2
10kohm resister. > g
2001-01-10 11/48
TOSHIBA TA8690AN
PIN No. PIN NAME FUNCTION INTERFACE CIRCUIT
AFT output terminal. AFT _ri,)
48 AFT Output center voltage is determined Cai?,
by V0.
49 SIF Input SIF signal input terminal.
Volume control terminal.
Controlled by 0 to 5V DC,
suitable for p-computer
50 ATT Control control interface. A linear
taper potentiometer can be
used. The Typ. attenuation
range is 80dB.
An open collector output for
RF AGC. The gain is
determined by an external
load resister.
51 RF AGC Output
The delay point of RF AGC is
52 RF AGC Delay set by an applied external
voltage.
- g Vcc
Emitter follower output for
53 Sou d Output an audio output stage. (s3- C)
2001-01-10 12/48
TOSHIBA
TA8690AN
PIN No. PIN NAME FUNCTION INTERFACE CIRCUIT
. . g)
54 OSD Brightness OSD-SIgnal brightness control %
terminal.
1 i i L:
MAXIMUM RATINGS (Ta =25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Power Supply Voltage VCC 15 V
Power Dissipation PDmax 1923 (Note) mW
Input Signal Voltage ein 5 Vp-p
Operating Temperature Topr -20--65 ''C
Storage Temperature Tstg - 55--150 "C
(Note) When using the device at above Ta = 25°C, decrease the power dissipation by
15.4mW for each increase of 1°C.
PD vs Ta CURVE
A 1923
2 1308
Ta (''C)
RECOMMENDED OPERATING CONDITION
2lf. PIN NAME SYMBOL MIN. TYP. MAX. UNIT
13 V/C/D VCC v13 8.5 9.0 9.5 v
25 HA/CC V25 8.5 9.0 9.5 V
44 PIF/SIF Vcc v44 8.5 9.0 9.5 v
2001-01-10 13/48
TOSHIBA
TA8690AN
ELECTRICAL CHARACTERISTICS
DC CHARACTERISTICS
DC voltage characteristics (Unless otherwise specified, Vcc=9V, H.Vcc=9V, Ta =25°C)
Km PIN NAME SYMBOL TEST CIRCUIT MIN. TYP. MAX. UNIT
1 ATT Input V1 - 3.3 3.8 4.5 V
2 Sound NF Input V2 - 3.2 3.9 4.5 V
3 De-emphasis V3 - 3.3 3.8 4.5 V
4 SIF Det. Input V4 - 2.4 2.8 3.3 V
5 SIF Limit Output V5 - 3.0 3.6 4.2 V
6 AGC Filter 1 V6 - 7.8 8.5 9.0 V
7 AGC Filter 2 V7 - 7.9 8.5 8.9 V
9 PIF Input V9 - 3.3 3.9 4.3 V
10 PIF Input V10 - 3.3 3.9 4.3 V
11 APC Filter VII - 2.8 4.5 4.9 v
12 fsc vcxo v12 - 4.3 5.2 6.1 v
14 fsc vcxo v14 - 5.3 6.4 7.2 v
15 Clamp Filter v15 1/3a=4.5V 2.4 3.2 4.1 v
16 R-Y Output V16 - 4.8 5.5 6.0 V
17 B-Y Output V17 - 4.8 5.5 6.0 V
18 G-Y Output V13 - 4.8 5.5 6.0 V
19 -Y Output V19 - - - - V
20 X-ray Protect Input V20 - - - - V
21 FBP Input v21 - - - - v
22 H. Output V22 - - - - V
23 AFC Filter v23 - 6.7 7 3 8.7 v
24 32fH VCO v24 - 3.1 5 2 6.3 v
26 OSD R Input v25 - 1.3 1 9 2.3 v
27 OSD B Input V27 - 1.3 1 9 2.3 V
28 OSD G Input V28 - 1.3 1.9 2.3 V
29 V. Sepa. Filter V29 HA/CC : Open 3.8 4.5 5.9 V
30 V. Pulse Output V30 - 4.5 5.0 5.5 V
31 Video Input V31 - 1.8 2 8 4.0 V
32 Tint Control V32 - 4.0 4 5 4.9 V
33 Hi Video Input v33 - 4.3 5.5 7.5 v
34 Brightness Control v34 lin = 20pA 2.6 3.8 5 1 v
35 Chroma Input V35 - 4.1 5.0 5.7 V
36 Sync. Sepa. Input V36 - 1.8 2 1 3.7 V
38 D.C. Drive v38 - 6.5 7 2 8.2 v
39 Contrast Control V39 - 4.3 5 2 5.6 V
40 Color Control V40 - 3.9 4 5 4.9 V
41 Delayed Signal Input V41 - 3.5 4.5 4.9 V
42 Killer Filter v42 - 3.3 3.8 4.1 v
43 PIF Det. Output V43 - 4.0 4.5 5 0 V
2001-01-10 14/48
TOSHIBA TA8690AN
['llf PIN NAME SYMBOL TEST CIRCUIT MIN. TYP. MAX. UNIT
45 PIF Tank v45 - 6.0 6.6 7.2 v
46 PIF Tank v46 - 6.0 6.6 7.2 v
47 AFT Tank v47 - 2.4 3.0 3.6 v
48 AFT Output v48 - 2.0 4.5 6.0 v
49 SIF Input v49 - 2.4 3.0 3.7 v
50 ATT Control V50 - - - - V
51 RF AGC Output v51 - - - - v
52 RF AGC Delay v52 - 5.6 6.2 6.6 v
53 Sound Output V53 - 3.2 4.1 4.6 V
54 OSD Brightness V54 - - - - V
DC current characteristics (Unless otherwise specified, Vcc=9V, H.VCC=9V, Ta=25°C)
my PIN NAME SYMBOL TEST CIRCUIT MIN. TYP. MAX. UNIT
13 V/C/DVCC I13 - 25 50 75 mA
25 H.Vcc I25 - 7 13.5 21 mA
44 PlF/SIF Vcc I44 - 25 43.5 60 mA
2001-01-10 15/48
TOSHIBA TA8690AN
AC CHARACTERISTICS (Unless otherwise specified, Vcc=9V, H.VCC=9V, Ta =25°C)
PIF stage
CHARACTERISTIC SYMBOL TCEIET TEST CONDITION MIN. TYP. MAX. UNIT
Input Sensitivity VIN MIN 1 (Note 1) 34 40 46 dB/A/
Maximum IF Input Level VIN MAX 1 (Note 2) 100 111 - dB/A/
f AGC Range AA 1 (Note 3) 60 71 - dB
Differential Gain DG 1 (Note 4) - - 10 %
Differential Phase Dp 1 (Note 4) - - 7 ©
No-Signal Level V0 1 (Note 5) 4.1 4.5 4.8 V
Sync. Tip Level VSYNC 1 (Note 6) 2.2 2.4 2.7 V
Video Output Level VOUT 1 (Note 6) 1.4 1.8 2.1 Vp-p
Idae:2,ttuircy W 1 (Note 7) 6.0 8.3 - MHz
White Noise Inverter Level VWTH 1 (Note 8) 5.1 5.4 5.7 V
White Noise Clamp Level VWCL 1 (Note 8) 3.6 3.9 4.2 V
Black Noise Inverter Level VBTH 1 (Note 8) 1.2 1.8 2.1 V
Black Noise Clamp Level VBCL 1 (Note 8) 3.2 3.5 4.0 V
Carrier Suppression Ratio CL 1 (Note 9) 40 58 - dB
Harmonic Suppression Ratio 12nd 1 (Note 9) 40 44 - dB
AFT Sensitivity Af/AV 1 (Note 10) 15 23 30 kHz/V
A 1 (Note 10) 6.0 8.7 - V
AFT Characteristics B/A 1 (Note 10) 20 35 55 %
C/A 1 (Note 10) 25 28 30 %
AFT Center Voltage V43 (0) 1 (Note 11) 3.5 4.5 5.5 V
No Signal Offset AV43 1 (Note 11) -1.5 0 1.5 V
Intermodulation 1920 1 (Note 12) 32 47 - dB
Input Impedance ZIN 1 (Note 13) 1.75 2.5 3.25 kn
SIF stage
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
FM Detection Output Level VOD 1 (Note 14) 150 230 350 mVrms
Input Limiting Sensitivity VIN 1 (Note 15) - 34 45 dB/A/
AM Rejection Ratio AMR 1 (Note 16) 30 53 - dB
Band Width (3dB) InfG 1 (Note 17) 150 300 - kHz
THD Band Width (1.5%) i'AfD 1 (Note 18) 150 230 - kHz
ATT AC Gain GATT 1 (Note 19) 3.0 5.0 8.0 dB
"el,',',),"' Attenuation GATTMAX 1 (Note 20) 65 80 - dB
AF Amp AC Gain GV AF 1 (Note 21) 16 20 23 dB
2001-01-10 16/48
TOSHIBA TA8690AN
Video stage
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Y Input Impedance INP 2 (Note 22) 11 15 20 kn
SHR Input Impedance SHR INP 2 (Note 23) 11 15 20 k0
Y Input Dynamic Range 0an 2 (Note 24) 2.0 3.0 - vp.p
SHR Input Dynamic Range DynSHR 2 (Note 25) 0.3 0.5 - Vp-p
Max. Video Output Level Ymax 2 (Note 26) 8.0 8.4 9.0 V
Min. Video Output Level Ymin 2 (Note 26) - 0.3 0.7 V
Video Output Drive Current Ylsink 2 (Note 27) 1.3 2.0 3.0 mA
Video AC Gain Gy 2 (Note 28) 9 12 15 dB
SHR AC Gain GSHR 2 (Note 29) 25 30 35 dB
Video Frequency Characteristic fy 2 (Note 30) 6.8 8.0 - MHz
Brightness Control Sensitivity GBRT 2 (Note 31) 2.0 3.0 4.0
Brightness Control Voltage VBRT 2 (Note 32) 3.5 4.0 4.5 V
DC Restoration TDC 2 (Note 33) 95 99 - %
Clamp Terminal Voltage VCLAMP 2 (Note 34) 2.5 3.3 3.8 V
Contrast Control Voltage AVCONT 2 (Note 35) 1.0 1.25 1.5 V
Contrast Gain Variable Range AGCONT 2 (Note 35) 11 17 19 dB
31:13:33: Dependence Aefcom 2 (Note 36) - 0.7 1.2 dB
Picture Control Gain Range AGSHR 2 (Note 37) 20 25 - dB
Picture Control Voltage Range AVSHR 2 (Note 38) 0.9 1.2 1.5 V
V-BLK Pulse Output Level VVBLK 2 (Note 39) 8.5 - - V
H-BLK Pulse Output Level VHBLK 2 (Note 39) 8.5 - - V
V-BLK Pulse Width (50Hz) VPVBLKSO 2 (Note 39) - 21 - H
V-BLK Pulse Width (60Hz) VPVBLKeo 2 (Note 39) - 16 - H
Delay of H-BLK Pulse Input tDBS 2 (Note 39) - - 0.5 ps
2001-01-10 17/48
TOSHIBA TA8690AN
Chroma stage
CHARACTERISTIC SYMBOL T53]- TEST CONDITION MIN. TYP. MAX. UNIT
. . e 3 (Note 40) 0.5 0.85 - V -
ACC Characteristic Aa 3 (Note 40) 0.9 1.0 1.2 RaFici:
Unicolor Control Voltage Range AYUNI 3 (Note 41) 0.8 1.2 1.6 V
Unicolor Control Gain Range AGUNI 3 (Note 41) 20 - - dB
Unicolor Control Phase Change A6UN| 3 (Note 42) - - 15 o
Color Control Voltage Range AVCOL 3 (Note 43) 0.8 1.2 1.6 V
Color Control Gain Range AGCOL 3 (Note 43) 20 - - dB
Color Control Phase Change A6CQL 3 (Note 44) - - i5 o
Color Control Residual ec 3 (Note 45) - - 30 mVp-p
Tint Control Voltage Range AVTIN 3 (Note 46) 0.8 1.5 2.5 V
Tint Control Phase Range 463-1 3 (Note 46) 35 50 - o
(3.58MHz) 463-2 3 (Note 46) 35 50 - o
Tint Control Phase Range A644 3 (Note 46) 35 50 - o
(4.43MHz) 464-2 3 (Note 46) 35 50 - o
PAL/NTSC SW Voltage Vp/N 3 (Note 47) 0.4 0.7 1.0 V
Killer Sensitivity (3.58MH2) eb 3 (Note 48) - 1.0 3.0 mVp-p
Killer Sensitivity (4.43MHz) eb 3 (Note 48) - 1.0 3.0 mVp-p
. V 3 (Note 49) 4.5 4.8 5.1 V
Killer Voltage vat; 3 (Note 49) 3.8 4.1 4.4 v
Ident Sensitivity ei 3 (Note 50) - 1.0 3.0 ml/p-p
vlm 3 (Note 51) 5.3 5.6 5.9 v
Ident Voltage v.02 3 (Note 51) 2.7 3.0 3.3 v
APC PuII-ln Range H Af3pH 3 (Note 52) 400 500 - Hz
(3.58MH2) L Af3pL 3 (Note 52) 500 1000 - Hz
APC Hold Range H AngH 3 (Note 52) - 500 - Hz
(3.58MH2) L Af3HL 3 (Note 52) - 500 - Hz
APC PuII-In Range H Af4pH 3 (Note 52) 300 500 - Hz
(4.43MHz) L Af4pL 3 (Note 52) 500 1000 - Hz
APC Hold Range H Af4HH 3 (Note 52) - 500 - Hz
(4.43MHz) L Af4HL 3 (Note 52) - 500 - Hz
Frequency Sensitivity (3.58MH2) /33 3 (Note 53) - 1.5 - Hz/V
Frequency Sensitivity (4.43MHz) /34 3 (Note 53) - 0.9 - Hz/V
Demodulation Color R eR 3 (Note 54) 2.9 3.6 4.3 Vp-p
Differential Output G e6 3 (Note 54) 1.7 2.1 2.5 Vp-p
B e3 3 (Note 54) 3.3 4.0 4.7 Vp-p
Max. Demodulation Color R eRmax 3 (Note 55) 4.8 5.5 6.2 Vp-p
Differential Output G eGmax 3 (Note 55) 3.0 3.4 3.8 Vp-p
B eBmax 3 (Note 55) 4.8 5.5 6.2 Vp-p
2001-01-10 18/48
TOSHIBA TA8690AN
CHARACTERISTIC SYMBOL 2r'J TEST CONDITION MIN. TYP. MAX. UNIT
Demodulation Relative R/B NVR/VB 3 (Note 56) 0.8 0.9 1.1 Ratio
Amplitude (NTSC) G/B NVG/VB 3 (Note 56) 0.28 0.32 0.48 Ratio
Demodulation Relative R/B PVR/VB 3 (Note 56) 0.43 0.58 0.70 Ratio
Amplitude (PAL) G/B PVG/VB 3 (Note 56) 0.27 0.37 0.46 Ratio
Demodulation Relative R-B N6R_B 3 (Note 56) 100 110 120 ©
Phase (NTSC) G-B M9643 3 (Note 56) 225 235 245 ©
Demodulation Relative R-B PHR-B 3 (Note 56) 78 95 96 ©
Phase (PAL) G-B P1993 3 (Note 56) 226 236 240 ©
Demodulation Output R VRcw 3 (Note 57) - - 20 mi/p-p
Residual Carrier G VGcw 3 (Note 57) - - 10 mVp-p
B VBcw 3 (Note 57) - - 20 mi/p-p
Demodulation Output 2 [tte , 13:: L) I I 1:3 :xP-p
Residual Harmonic B Ite 3 (N - - p-p
BHC ote 57) 100 mVp-p
. R fDEMOR 3 (Note 58) 0.8 1.0 2.0 MHz
gaexwljlm Output G fDEMOG 3 (Note 58) 0.8 1.0 2.0 MHz
B fDEMOB 3 (Note 58) 0.8 1.0 2.0 MHz
Demo. Voltage Difference AVCOL 3 (Note 59) -0.3 0 +0.3 V
D.L. AMP. Characteristic VDL 3 (Note 60) 0.7 1.0 1.3 Vp-p
Si/l 3 (Note 61) 4.5 5.0 5.5 v
Sweeper Amplitude 5V2 3 (Note 61) 3.5 4.0 4.5 V
SV 3 (Note 61) 0.8 1.0 1.2 Vp-p
Stl 3 (Note 61) 80 100 120 ms
Sweeper Period St2 3 (Note 61) 5 10 15 ms
St 3 (Note 61) 80 110 140 ms
Deflection stage
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Sync. Sepa. Sense Current IIN 4 (Note 62) 10 20 30 pA
H.AFC Detection Current IDET 4 (Note 63) 200 300 400 pA
H.AFC Detection Stop Period 50TCO1 4 (Note 64) - 309 - H
(50Hz) 50Tc02 4 (Note 64) - 5 - H
H.AFC Detection Stop Period 60Tco1 4 (Note 64) - 259 - H
(60Hz) 60Tc02 4 (Note 64) - 5 - H
iithagfo Oscillation Starting 1/fH 4 (Note 65) 2.0 3.0 4.0 v
H.0UT Starting Voltage VH 4 (Note 65) 4.0 4.4 5.0 V
Horizontal Free-Run f0 4 (Note 66) 15.475 15.625 15.775 kHz
Frequency
2001-01-10 19/48
TOSHIBA TA8690AN
CHARACTERISTIC SYMBOL 12?ng TEST CONDITION MIN. TYP. MAX. UNIT
Horizontal PuII-In Range AfH PULL 4 (Note 67) -+500 - - kHz
Horizontal Hold Range AfH HOLD 4 (Note 67) $500 - - kHz
Hor. OSC. Control Sensitivity /3H 4 (Note 68) 4.0 5.5 7.0 Hz/mV
Hor. Output Pulse Duty T 4 (Note 69) 41 43 45 %
X-ray Protector Sense Voltage V0N19 4 (Note 70) 1.1 1.3 1.5 V
X-ray Protector Hold Voltage VHOLD19 4 (Note 70) - - 2.5 V
. VHH 4 (Note 71) 4.7 5.0 5.3 v
Horizontal Output Voltage VHL 4 (Note 71) - 0 0.1 V
Vertical Pulse Width Vp 4 (Note 72) - 10 - H
Vertical Output Voltage VVH 4 (Note 72) 4.7 5.0 5.3 V
VVL 4 (Note 72) - o 0.1 v
(50Hz) 50fpv1 4 (Note 73) - 260.5 - H
Vertical Pull-ln 50fpV2 4 (Note 73) - 353 - H
Range (60Hz) 60fpv1 4 (Note 73) - 232 - H
60fpv2 4 (Note 73) - 297 - H
Ver. Free-Run (50Hz) 50Vfree 4 (Note 74) - 353 - H
Frequency (60Hz) 60Vfree 4 (Note 74) - 297 - H
. . VSETSO 4 (Note 75) 5.5 6.0 6.5 v
50Hz/60Hz Switching Voltage VSET60 4 (Note 75) 2.5 3.0 3.5 V
50Hz/60Hz Detection Voltage VDETSO 4 (Note 75) 4.5 5.0 5.5 V
VDETGO 4 (Note 75) 0.5 1.0 1.5 V
OSD interface stage
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
OSD Input ON Current ION 5 (Note 76) 0.2 0.3 0.4 mA
OSD Input OFF Current 'OFF 5 (Note 77) 0.15 0.22 0.3 mA
OSD Output HIGH Level VHOUT 5 (Note 78) 6.5 6.7 6.9 V
OSD Output LOW Level VLOUT 5 (Note 79) 4.4 4.7 5.0 V
Output Rise Time TR 5 (Note 80) - 15 100 ns
Rise Propagation Delay Time tpR 5 (Note 80) - 40 100 ns
Output Fall Time TF 5 (Note 80) - 25 100 ns
Fall Propagation Delay Time th 5 (Note 80) - 15 400 ns
Y-a0SD Switching Time cy-oo 5 (Note 81) - 15 100 ns
Y-9OSD Switching Delay Time ty-oo 5 (Note 81) - 40 100 ns
OSD-YY Switching Time r0-YY 5 (Note 81) - 10 100 ns
OSD-ay Switching Delay Time t0-9Y 5 (Note 81) - 15 100 ns
(eltuehtness Control VOSDBRT 5 (Note 82) 3.4 4.5 5.5 v
OSD Brightness Sensitivity GOSDBRT 5 (Note 82) 0.5 1.0 1.5
2001-01-10 20/48
TOSHIBA TA8690AN
TEST CONDITIONS
PIF stage
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED Vcc=9V, Ta =25i3°C)
NOTE ITEM SW & VR MODES
SW1 SW2 SW3 SW4 SW5 TEST METHOD
1 Input Sensitivity b OFF OFF ON b (1) From TP9, input the following signal :
f0=38.9MHz, 15.75kHz 30% AM, 84dB/A/.
(2) Measure the 15.75kHz output level at TP43A
(3) Lower the TP9 input level, and measure this
level when the signal output from TP43A
drops to -3dB of the VTp.
2 Maximum IF Input b OFF OFF ON b (1) From TP9, input the following signal :
Level f0=38.9MHz, 15.75kH2 30% AM, 84dBpV.
(2) Measure the 15.75kHz output level at TP43A
(3) Raise the TP9 input level, and measure this
input level when the level of the signal
output from TP43A reaches +3dB of the VTp.
3 IF AGC Range b OFF OFF ON b (1) From TP9, input the following signal :
f0=38.9MHz, 15.75kHz 30% AM, 84dB/A/.
(2) Measure the 15.75kHz output level at TP43A
(VTP).
(3)z1A---ViNmax-ViNmin
4 Differential Gain b OFF OFF ON b (1) From TP9, input the following signal :
Differential Phase f0=38.9MHz, linearity 87.5% AM, 84dBpV
(2) Monitor the TP43 output signal with a vector
scope, and measure DG and DP.
5 No-Signal Level b ON OFF ON b (1)Apply 5V to TP7.
(2) Measure the DC voltage on TP43.
6 Sync. Tip Level b OFF OFF ON b (1) From TP9, input the following signal :
Video Output Level f0=38.9MHz, black and white mode 87.5%
AM, 84ngv.
(2) Measure the sync. signal peak voltage and
amplitude of the video signal output from
2001-01-10 21/48
TOSHIBA
TA8690AN
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED Vcc=9V, Ta =25i3°C)
NOTE ITEM SW & VR MODES
SW1 SW2 SW3 SW4 SW5 TEST METHOD
7 Video Frequency b OFF OFF ON b (1) From TP9, input a fo=38.9MHz, 84ngV
Characteristic or signal.
ON (2) Measure the voltage on TP7 and fix to that
voltage using the external power supply.
(3) SW2 on
(4) From TP9, input a composite signal of
fo, =38.9MHz, 84dBpV and fog =37.9MHz,
74dB,aV.
(5) Measure the TP43 output level. Nosts2)
(6) Lower the frequency of f02, and determine
the f02 frequency when the TP38 output level
drops to -3dl? of VOSG2 (foz (-3)).
(7) fv=fo1 -f02 (- 3)
8 White Noise b ON OFF ON b (1) From TP9, input an 84dB/A/ frequency sweep
Inverter Level signal (37MH2~47MH2).
White Noise Clamp (2) Connect an oscilloscope to TP43 and vary the
Level TP7 voltage. Fix when the following
Black Noise characteristics are obtained.
Inverter Level V
Black Noise Clamp
(3) Measure 1/WTH, VWCLI VBTH, and I/BCL.
9 Carrier Suppression b ON OFF ON b (1)From TP9, input the following signal :
Ratio f0=38.9MHz, 15.75kH2 87.5% AM.
Harmonic (2) Set the TP7 voltage so that the output of
Suppression Ratio TP43 is 2Vp-p.
(3) Stop the modulation, and measure the carrier
signal leak voltage at TP43 using a spectrum
analyzer.
CL=20eog (2/carrier signal leakage)
(4) Similarly, measure the leakage of the 2nd and
3rd harmonics.
2001-01-10 22/48
TOSHIBA
TA8690AN
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED Vcc=9V, Ta =25i3°C)
SW & VR MODES
TEST METHOD
AFT Sensitivity
AFT Characteristics
(1) From TP9, input a fo=38.9MHz, 84ngV
signal.
(2) Measure the change in voltage on TP48 when
the frequency of the input signal changes by
n20kHz (AV48).
(3) Vary the input frequency to obtain the
following waveform.
-4.5 -I to f
(4)B/A=B.=Ax100
C/A=C:-Ax100
AFT Center
Voltage
(1) Apply 5V to TP7.
(2) Measure the TP43 voltage with SW3 off
(V43 (0)).
(3) Measure the TP43 voltage with SW3 on
(V43MUTE).
AV43 = V43 (0) - V43MUTE
Intermodulation
(1) From TP8, input a signal composed of the
following.
SGI : 38.9MHz 84dB/A/
SG2 : 34.47MHz 78dBpV
SG3 : 33.4MH2 78dBp1/
(2) Adjust the voltage to TP7 so that the lowest
level output at TP43 is 2.4V.
(3) Measure the difference between the 4.43MHz
and 1.07MH2 components in the TP43 output.
Input Impedance
(1) Apply 5V to TP7.
(2) Measure the impedance between ping and
GND, and the impedance between pin 10 and
2001-01-10 23/48
TOSHIBA TA8690AN
SIF stage
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED VCC=9V, Ta =2513°C)
NOTE ITEM SW & VR MODES
SW1 SW2 SW3 SW4 SW5 TEST METHOD
14 FM Detection b ON OFF OFF b (1) From TP49, input the following signal :
Output Level f0=5.5MHz, 100dBp1/, 400Hz, 25kHz devi FM.
(2) Measure the TP3 output level.
15 Input Limiting b ON OFF OFF b (1) From TP49, input the following signal :
Sensitivity f0=5.5MHz, 100dBpV, 400Hz, 25kHz, devi FM.
(2) Lower the input level and measure the input
level when the TP3 output level drops to -
3dB of VOD.
16 AM Rejection Ratio b ON OFF OFF b (1) From TP49, input f0=5.5MHz.
FM : 400Hz 25kHz devi
AM : 400Hz 30%, input level 100dBpV
(2) Measure the FM and AM output levels at TP3.
AMR=ZO€og (FM/AM)
17 Band Width (3dB) b ON OFF OFF b (1) From TP44, input the signal : f0=5.5MHz,
100dBp1/, 400Hz 25kHz devi FM.
(2) Vary the input signal frequency (f0),
measuring this frequency when the TP3
output drops to -3di? of VOD.
18 THD Band Width b ON OFF OFF b (1) From TP49, input the signal : f0=5.5MHz,
(1.5%) 100dBp1/, 400Hz 25kHz/devi FM.
(2) Vary the input signal frequency (to), and
measure this frequency when the TP3 output
signal distortion rate reaches 1.5%.
19 ATT AC Gain a ON OFF ON c (1) From TP1, input a 1kHz, IN/p-p signal.
(2) Apply 5.0V to TP50.
(3) Determine the TP2 output level (1/2ATT).
GATT-- 208og (V2ATT/1.0)
20 ATT Max. a ON OFF ON c (1) From TP1, input a 1kHz signal.
Attenuation (2) Apply 5.0V to TP50. Adjust the input signal
Volume level so that the TP2 output level is 1Vp-p.
(3) Apply 0V to TP50, and measure the TP2
output level (V2min).
GpTTmax=20tog (V2min/1.0)
21 AF Amp AC Gain b ON OFF ON a (1) From TP2A, input a 1kHz, 0.1Vp_p signal.
(2) Measure the TP53 output level (Vp53).
GVAF=2oeog (Vp53/0.1)
2001-01-10 24/48
TOSHIBA
TA8690AN
Video stage
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED VCC=9V, Ta =2513°C)
NOTE ITEM SW & VR MODES TEST METHOD
Tl VR3 VR4 VR2
22 Y Input Impedance OFF MIN CNT CNT (1)To pin 31, apply a 1Vp-p, 1kHz signal via
(2) Measure the TP31 signal amplitude (V31).
(3) INF =V31X104/(1.0 -1/31)
23 SHR Input OFF CNT CNT CNT (1) To pin 33, apply a 0.1Vp-p, 2.4MHz signal via
Impedance 10kQ.
(2) Measure the pin 33 signal amplitude (V33).
(3) INPSHR =V33 x104/(0.1-1/33)
24 Y Input Dynamic ON CNT ADJ MIN (1) Adjust VR4 so that the picture period voltage
Range on T19 is 4.5V.
(2) Measure the DC voltage on TP15 (V15).
(3) Add DC voltage V15 to TP15.
(4) Connect an external power supply to pin 31
and change the DC voltage.
(5) Measure the pin 31 input voltage at 10% of
the total TP19 voltage range swing Nd”),
and the pin 31 input voltage at 90% of the
range (Vdi2)-
DynY=1/dil-Vdi2
25 SHR Input Dynamic OFF MAX ADJ CNT (1) Adjust VR4 so that the picture period voltage
Range on T19 is 4.5V.
(2) Input a 2.4MHz signal from TP33.
(3)When changing the input signal amplitude,
measure this amplitude at the start of
saturation of the TP19 output.
26 Max. Video Output ON CNT AD) MAX (1) Adjust VR4 so that the picture period voltage
Level on T19 is 4.5V.
Min. Video Output (2) Measure the voltage on TP15 (V15).
Level (3) Apply V15 to TP15.
(4) Connect an external power supply to pin 31
and change the voltage.
(5) Measure the maximum and minimum TP19
output voltages.
27 Video Output OFF CNT ADJ CNT (1) Adjust VR4 so that the picture period voltage
Drive Current on T19 is 4.5V.
(2) Connect TP19 to the VCC via Ikn.
(3) Measure the TP19 picture period voltage
(V19).
YISINK=(Vcc-V19)/1 (mA)
2001-01-10 25/48
TOSHIBA TA8690AN
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED Vcc=9V, Ta =25i3°C)
SW & VR MODES
')l VR3 VR4 VR2 TEST METHOD
28 Video AC Gain OFF CNT ADJ MAX (1) Adjust VR4 so that the picture period voltage
on T19 is 4.5V.
(2) Input a 100kHz, 1Vp-p signal to TP31.
(3) Measure the TP19 output signal amplitude
(V19).
Gy--20hog (V1g/1) (dB)
29 SHR AC Gain OFF MAX ADJ MAX (1) Adjust VR4 so that the picture period voltage
on T19 is 4.5V.
(2) Input a 2.4MHz, 0.1Vp-p signal to TP33.
(3) Measure the TP19 output signal amplitude
(V19).
GSHR = 208og (V19/0.1) (dB)
30 Video Frequency OFF CNT ADJ MAX (1) Adjust VR4 so that the picture period voltage
Characteristic on T19 is 4.5V.
(2) Input a 100kHz, 1Vp-p signal to TP31.
(3) Measure the TP19 output signal amplitude
(V19).
(4) Change the input signal frequency, and
measure the input signal frequency when the
TP19 output level drops to -3dB of V19.
31 Brightness Control OFF CNT ADJ CNT (1) Adjust VR4 so that the picture period voltage
Sensitivity on T19 is 4.5V.
(2) Adjust VR4 to increase the TP34 voltage by
(3) Measure the TP19 output voltage (V19).
GBRT= (V19 -4.5) x 2
32 Brightness Control OFF CNT ADJ CNT (1) Adjust VR4 so that the picture period voltage
Voltage on T19 is 4.5V.
(2) Measure the TP34 voltage.
33 DC Restoration OFF CNT ADJ CNT (1) Adjust VR4 so that the picture period voltage
on T19 is 4.5V.
(2) From TP31, input a 1Vp-p signal with 100%
(3) Monitoring in TP19 oscilloscope AC mode,
measure the TP19 black level fluctuation
when the input signal APL changes from
100% to 0% NAC).
(4) Set the oscilloscope to DC mode, and measure
the black level fluctuation as above NDC).
TDC = (1 'VDC/VAC) x 100
NOTE ITEM
2001-01-10 26/48
TOSHIBA
TA8690AN
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED Vcc=9V, Ta =25i3°C)
SW & VR MODES
NOTE ITEM
')l VR3 VR4 VR2 TEST METHOD
34 Clamp Terminal OFF CNT ADJ CNT (1)Adjust VR4 so that the picture period voltage
Voltage on T19 is 4.5V.
(2) Measure the TP15 DC voltage.
35 Contrast Control OFF CNT AD) AD) (1) Adjust VR4 so that the picture period voltage
Voltage on T19 is 4.5V.
Contrast Gain (2) Input a 100kHz, 0.5Vp_p signal to TP31.
Variable Range (3) Adjust VR2 from maximum to minimum.
When at maximum, the TP19 output signal
amplitude is 100% ; at minimum, 0%.
Measure the voltages on TP39 at 90% and
iu- -e' TP39
AVCONT
(4) With VR2 at maximum then minimum,
measure the TP19 output signal levels (VMAX
and VMIN)-
sIGcoNT=20hsg (VMAx/VMIN)
36 Frequency OFF CNT ADJ AD) (1) Adjust VR4 so that the picture period voltage
Response on T19 is 4.5V.
Dependence on (2) To pin TP31, input 100kHz and 4MHz signals,
Contrast Control both with amplitude of 1Vp-p.
(3)With VR4 at maximum then minimum,
measure the TP19 output signal levels (VMAX
and VMIN)-
AGfCONT= 20tog (VMAX4MHZ/VMAX1OOkHZ)
-20fog (iN4MHz/iN100kHz)
2001-01-10 27/48
TOSHIBA
TA8690AN
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED Vcc=9V, Ta =25i3°C)
SW & VR MODES
Gain Range
NOTE ITEM
')l VR3 VR4 VR2 TEST METHOD
37 Picture Control OFF ADJ ADJ CNT (1) Adjust VR4 so that the picture period voltage
on T19 is 4.5V.
(2) Input a 2.4MHz, 0.1Vp_p signal to pin TP33.
(3)With VR3 at maximum then minimum,
measure the TP19 output signal levels (VMAX
and VMIN)-
AGSHR = 208og (VMAX / VMIN)
Output Level
V-BLK Pulse Width
(50Hz)
V-BLK Pulse Width
(60H2)
38 Picture Control OFF ADJ ADJ CNT (1) Adjust VR4 so that the picture period voltage
Voltage Range on T19 is 4.5V.
(2) Input a 2.4MHz, 0.1Vp-p signal to pin TP33.
(3) Adjust VR3 from maximum to minimum.
When at maximum, the TP33 output signal
amplitude is 100% ; at minimum, 0%.
Measure the voltages on TP33 at 90% and
F- -e' TP33
39 V-BLK Pulse OFF CNT ADJ CNT (1) Adjust VR4 so that the picture period voltage
Output Level on T19 is 4.5V.
H-BLK Pulse (2) Measure TP19 using an oscilloscope.
(3) Measure the vertical and the horizontal
blanking period voltages.
(4) Measure the vertical blanking pulse width.
(5) Monitor TP21 using an oscilloscope. Measure
the TP19 horizontal blanking pulse delay in
relation to TP21.
- - TP19
2001-01-10 28/48
TOSHIBA
Chroma stage
TA8690AN
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED VCC=9V, Ta =2513°C)
SW & VR MODES
Voltage Range
Unicolor Control
Gain Range
NOTE ITEM SW SW SW SW SW VR1 VR2 VR5 TEST METHOD
32 10 33 30 37
40 ACC Characteristic ON OFF ON a OFF MIN MIN CNT (1)From TP35A, input a burst
cross=1 : 2.25 signal.
(2) Measure the TP17 output
signal amplitude with burst
levels of 10mVp-p, 100m1/p-p,
and 300mvp-p.
10m'Vp_p 100mVp-p 300mVp-p TP35A
A=ec2/ecl
41 Unicolor Control ON OFF ON a OFF CNT ADJ CNT (1)lnputa150mVp-pchroma
signal from TP35A.
(2) Adjust VR2 from maximum to
minimum (V17MAX and
1/17hmN). When at maximum,
the TP19 output signal
amplitude is 100% ; at
minimum, 0%. Measure the
voltages on TP39 at 90% and
F-ztvuN, -e' TP39
=20gog (V17MAx/V17MIN)
2001-01-10 29/48
TOSHIBA
TA8690AN
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED Vcc=9V, Ta =25i3°C)
SW & VR MODES
sw sw sw
33 30 37 VR1
TEST METHOD
Unicolor Control
Phase Change
ON a OFF
(1) Input a 150mVp-p chroma
signal from TP35A.
(2) Monitoring TP17, vary VR2
and measure the phase
change when the level at
TP17 drops by 20dB.
Color Control
Voltage Range
Color Control Gain
ON OFF AD)
(1) Input a 150mVp-p chroma
signal from TP35A.
(2)Adjust VR1 from maximum to
minimum. When at maximum,
the TP16 output signal
amplitude is 100% ; at
minimum, 0% (V17MAX and
V17MIN). Measure the
voltages on TP40 at 90% and
i- AVCOL -e' TP40
= 208og (V17MAx/V17MIN)
Color Control
Phase Change
ON OFF AD)
(1) Input a 150m1/p-p chroma
signal from TP35A.
(2) Monitoring TP17, vary VR1
and measure the phase
change when the level at
TP17 drops by 20dB.
Color Control
Residual
ON OFF MIN
(1) Input a 150mVp-p chroma
signal from TP35A.
(2)Adjust VR1 to minimum, and
measure the TP17 output
signal amplitude.
2001-01-10 30/48
TOSHIBA
TA8690AN
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED Vcc=9V, Ta =25i3°C)
SW & VR MODES
SW VR1
TEST METHOD
Tint Control
Voltage Range
Tint Control Phase
OFF CNT
(1) Input a 150mVp-p chroma
signal from TP35A.
(2) Adjust VR5 from maximum to
minimum. When at maximum,
the TP17 output signal
amplitude is 100% (61) ; at
minimum, 0% (62). Measure
the voltages on TP32 at 90%
and 10%.
'r-neN -e TP32
PAL / NTSC SW
Voltage
(1) Input a 150mVp-p chroma
signal from TP35A.
(2) Lower the TP32 voltage.
Measure the TP32 voltage
when the mode switches from
NTSC to PAL.
Killer Sensitivity
(1) Input a 150mVp-p chroma
signal from TP35A.
(2)Attenuate the burst level of
the input signal, and measure
the burst level when the TP40
voltage goes low.
Killer Voltage
(1) Set the TP35A input to zero.
(2) Vary the TP42 voltage, and
measure the TP42 voltage
when the TP40 voltage goes
2001-01-10 31/48
TOSHIBA
TA8690AN
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED Vcc=9V, Ta =25i3°C)
SW & VR MODES
TEST METHOD
Ident Sensitivity
(1) Input a 150mVp-p chroma
signal from TP35A.
(2)Attenuate the burst level of
the input signal, and measure
the burst level when the ID
malfunction starts.
Ident Voltage
(1) Set the TP35A input to zero.
(2) Vary the TP42 voltage,
monitor TP11, and measure
the TP42 voltage when the
sweep begins.
APC Pull-ln Range
APC Hold Range
(1) Input a 4.43MHz, 100mVp-p
signal from TP35A.
(2) Monitoring TP40, vary the
input signal frequency and
measure the input signal
frequencies when the TP40
voltage goes high (pr, M).
Apr =pr -4433619 (Hz)
nfpL=4433619 -fPL (Hz)
(3) Measure the input signal
frequencies when the TP40
voltage goes low (fHH, fHL).
AfHH =fHH -4433619 (Hz)
AfHL=4433619 -fHL (Hz)
Frequency
Sensitivity
(1) Set the TP35A input to zero,
killer off.
(2) Measure the TP14 oscillation
frequency.
(3) Vary the TP11 voltage, and
measure the TP11 voltage
when the oscillation frequency
at TP14 is fsc (V11).
(4) Measure the TP14 df when
adding V11i200mV to TP11.
/3=nf/400mV
2001-01-10 32/48
TOSHIBA
TA8690AN
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED Vcc=9V, Ta =25i3°C)
NOTE ITEM SW & VR MODES
SW SW SW SW SW VR1 VR2 VR5 TEST METHOD
32 10 33 3O 37
54 Demodulation ON OFF ON a OFF MAX MAX CNT (1)Input a 100mVp-p chroma
Color Differential signal (rainbow color) to
Output TP35A.
(2) Measure the output signal
amplitudes of TP16, TP17, and
55 Max. ON ON ON a ON MAX MAX CNT (1)Input a 4.433619MH2,
Demodulation 100m1/p-p signal to TP35A.
Color Differential (2) Killer off
Output (3) Vary the TP11 voltage so that
the oscillation frequency of
TP14 is 4.433619MH2.
(4) Measure the output signal
amplitude of TP16, TP17, and
56 Demodulation ON ON ON a ON CNT CNT CNT (1) Input a 4.433619MH2,
Relative Amplitude 100mVp-p signal to TP35A.
Demodulation (2) Killer off
Relative Phase (3) Vary the TP11 voltage so that
the oscillation frequency of
TP14 is 4.433619MHz.
(4) Measure the output amplitude
ratios of TP16, TP17, and TP18
(VR/VB and VG/UB).
(5) Measure the relative phase
differences of the 10kHz
signals output from TP16,
TP17, and TP18 (6R3, (96-3).
57 Demodulation ON ON ON a ON CNT CNT CNT (1)Set the TP35A input to zero.
Output Residual (2) Killer off
carrier (3)Vary the voltage on TP11 so
Demodulation that the TP14 oscillation
Output Residual frequency is 4.433619MHz
harmonic (fsc).
(4) Measure the fsc leakages of
TP16, TP17, and TP18.
(5) Likewise, measure the fsc
harmonics.
2001-01-10 33/48
TOSHIBA
TA8690AN
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED Vcc=9V, Ta =25i3°C)
SW & VR MODES
TEST METHOD
Demodulation
Output Band
(1) Input a 4.433619MHz,
100m1/p-p signal from TP35A.
(2) Killer off
(3)Vary the voltage on TP11 so
that the TP14 oscillation
frequency is 4.433619MH2
(fsc).
(4) Measure the output amplitude
of TP16, TP17, and TP18, and
set them to OdB.
(5) Vary the input frequency, and
measure the input frequency
when the color difference
output drops to -3dB (le).
fDEMO = |le - fscl (Hz)
Demo. Voltage
Difference
(1) Input a 100mVp-p chroma
signal from TP35A.
(2) Measure the DC differential
voltages of TP16, TP17, and
D.L. AMP.
Characteristic
(1) From TP35A, input a 100mVp-p
chroma (burst) signal with a
burst/chroma ratio of 1 : 2.
(2) Measure the TP38 output
signal amplitude.
Sweeper Amplitude
Sweeper Period
(1) Set the TP35A input to zero.
(2) Monitor the TP11 waveform.
.usteir- St2 -'
P-st -"
(3) Measure the sweep amplitude
and the sweep cycle.
2001-01-10 34/48
TOSHIBA
Deflection stage
TA8690AN
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED VCC=9V, Ta =2513°C)
SW & VR MODES
NOTE ITEM SW SW TEST METHOD
62 Sync. Sepa. Sense ON ON (1) Connect an external power supply to TP36B
Current via an ammeter.
(2) Decrease the external power supply voltage
from 3V, and read the ammeter when the
vertical output cycle of TP30 reduces from
353H, to 268.5H.
63 H.AFC Detection OFF ON (1) Set the external power supply to the pin 23
Current voltage when the pin is open, and connect to
TP23B.
(2) Input the signal shown below to TP36A.
(3) Monitor TP23A and calculate the current from
the data in the diagram below.
IDET=V1 (mV)/1 (k0) (mA)
-r.' 635/15 iu- TP36A
s_z‘W‘S a_s -
l -iL.r- §_§ =
- iii" TP23A
I - - -
64 H.AFC Detection ON ON (1) Input a 2Vp-p composite video signal to
Stop Period TP36A.
(2) Monitor TP23A and measure the period
between signal spikes.
65 32fH VCO ON OFF (1) Do not connect VCC to pin 12.
Oscillation Starting (2) Connect an external power supply to TP25
Voltage and increase the voltage from 2V.
H.0UT Starting (3) Measure the voltage when an oscillation
Voltage waveform occurs at TP24.
(4) Measure the voltage when horizontal output
occurs at TP21.
66 Horizontal Free- ON ON (1) Measure the frequency of the horizontal
Run Frequency output that occurs at TP22.
2001-01-10 35/48
TOSHIBA
TA8690AN
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED Vcc=9V, Ta =25i3°C)
SW & VR MODES
NOTE ITEM SW SW TEST METHOD
67 Horizontal PuII-In ON ON I
Horizontal Hold :1-1 :l-l, ....... (l"
Range - variation -i-,'
4.7;15
(1) Apply the following signal to TP36A.
(2) Monitor TP36A and TP21.
(3) Measure the Iock-in frequency range, in which
the frequency is locked when the frequency
of the above signal is varied (AprULL).
(4) Likewise, measure the retention frequency
range, in which the frequency is lost
(AfHHOLD)-
68 Hor. OSC. Control ON ON (1) Measure the TP22 frequency change when the
Sensitivity TP23A voltage changes by i0.05V from the
voltage with a horizontal oscillation frequency
of 15625Hz.
69 Hor. Output Pulse ON ON (1) Monitor the TP22 output waveform.
T=t1 /(t1 +t2) X 100 (%)
70 X-ray Protector ON ON (1) Apply voltage to TP20, and measure the TP20
Sense Voltage or voltage when the TP22 output disappears
X-ray Protector OFF (becoming low level).
Hold Voltage (2)SW24 : off
(3) After applying 2.5V to TP25, check that TP22
is at low level when the voltage is increased
to 9V.
71 Horizontal Output ON ON (1) Measure the high-level voltage and low-level
Voltage voltage on the waveform output from TP22.
72 Vertical Pulse ON ON (1) Monitor the waveform output from TP30.
. ......................... VVH
Vertical Output
Voltage
I Z VVL
i VP i
(2) Measure Vp, l/VH, and I/VL.
2001-01-10 36/48
TOSHIBA
TA8690AN
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED Vcc=9V, Ta =25i3°C)
SW & VR MODES
TEST METHOD
Vertical PuII-In
(1) Input a 2Vp-p composite video signal to
TP36A.
(2) Change the V sync. frequency of the
composite video signal, and measure the V
sync. frequency range where the V output is
locked.
Ver. Free-Run
Frequency
(1) Apply voltage to TP23A so that the frequency
of the signal output from TP22 is 15625Hz.
(2) Measure the frequency of the signal output
from TP30.
50Hz/60Hz
Switching Voltage
50Hz/60Hz
Detection Voltage
(1) Apply external voltage to TP41, and measure
the voltages at TP41 and TP35 when the TP30
output signal cycle changes from 297H to
(2) Likewise, measure the voltage on TP41 and
TP35 when the TP30 output signal cycle
changes from 353H to 297H.
2001-01-10 37/48
TOSHIBA
TA8690AN
OSD stage
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED VCC=9V, Ta =2513°C)
NOTE ITEM SW & VR MODES
VR4 VR6 SW SW SW TEST METHOD
26 27 28
76 OSD Input ON CNT CNT OFF OFF OFF (1) Apply 5V externally to TP26.
Current (2) Lower the external voltage, and measure the
current output from TP26 when the voltage
output from TP16 goes high.
(3) Perform the same measurement at TP27 and
77 OSD Input OFF CNT CNT OFF OFF OFF (1) Apply externally 0V to TP26.
Current
(2) Increase the external voltage, and measure
the current output from TP26 when the
voltage output from TP16 goes low.
(3) Perform the same measurement at TP27 and
Rise Propagation
Delay Time
Output Fall Time
Fall Propagation
Delay Time
78 OSD Output HIGH CNT CNT ON ON ON (1)Turn SW26 on.
Level (2) Measure the TP16 output voltage.
(3) Perform the same measurement at TP17 and
79 OSD Output LOW CNT CNT ON ON ON (1)Turn SW26 on, and SW27 and SW28 off.
Level or or or (2) Measure the TP17 and TP18 output voltages.
OFF OFF OFF (3) Perform the same measurement for B and G.
80 Output Rise Time CNT CNT OFF OFF OFF (1) Input signal (a) shown below to TP26.
(2) Monitoring TP16, TP17, and TP18, measure TR:
tpR, TF, and tPF as shown in (b) in the
diagram below.
(3) Perform the same measurements for TP27 and
20.ns #2011154 20ry
2001-01-10 38/48
TOSHIBA
TA8690AN
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED Vcc=9V, Ta =25i3°C)
SW & VR MODES
NOTE ITEM VR4 VR6 SW SW SW TEST METHOD
26 27 28
81 Y-9OSD ADJ ADJ OFF OFF OFF (1) Adjust VR4 so that the T19 output voltage is
Switching Time 5V.
Y-9OSD (2) Input signal (a) shown below to TP26.
Switching Delay (3) Adjust VR6 so that the T19 output voltage
Time with OSD on is 4V.
OSD-ay (4) Monitoring TP19, measure TN-O, ty-O, TO-Y,
Switching Time and tO-Y as shown in (b) in the diagram
OSD-oy below.
Pitching Delay 20ns L_2°#5_..5 20ns
Time : 2 , :
82 OSD Brightness CNT AD) ON ON ON (1) Adjust VR6 so that the TP19 output voltage is
Control Voltage 4V.
OSD Brightness (2) Measure the voltage on TP54.
Sensitivity (3) Measure the TP19 fluctuation when changing
the TP54 voltage i0.5V (AV19).
GOSDBRT=AV19/1
2001-01-10 39/48
TOSHIBA
TRF1445
(poo Uh0sir SVVlei
F--NVV-,
dribty0
TEST CIRCUIT 1
PIF /S|F
TA8690AN
TA8690AN
N AriLtr'ry
-4rs
Ci)-----
:ID’QSO'O
" -h,-"--'/
t , driro'0
li) i nnp l "-t
ZOLBAEL
--(7 E
3rirtyo Mm
TA8690AN—40
2001-01-10 40/48
TOSHIBA TA8690AN
t-t-(sCi) 'W)
4pm 0174005 U0trit
T, - + st
'tUCy--a N
r- n (r)
an'm'o
USL F--t
C) 2 + - -t
4siiyd U3E'E G
m dr/LO'O %
'ii'o-o-- ‘wo 0
177100 N ac'
U)” [i' Cii' (50517 (506E E
0’101 mm EC E
EBA Ct,' F
Cs'? N
mm mm mm
W. Y-o----
un s (5am drittro
x-, 2 + -
grir'0 Mot
3rittr'0
TA 8 6 9 0 A N
Q9 Q9 I
'if . un m
c-ii,'?) Ci) v
N mm g
g Q-Ir--- V,
E 2477100 -crsr-ls-t
F3 (m _ .
F, Q-w-- ----0 E
m0: 3rirtro
t-, Cro' -
177.30 u.
0%.- mm
it--, Ci)- - ---4
an‘Lwo ~ Jrirtro
E 2 -- _
V. 8 .--.
V UW dn'lo'o
W) ---MN-4
L- JdEE -
U C) EN) 3riiTit g
tr, % MLO'O g
Lu - <
2001-01-10 41/48
TOSHIBA
TEST CIRCUIT 3
Chroma
TA8690AN
TA8690AN
HNIELL
TRF54 8
Cii') Utktr 0062 t
3ritri)
2001-01-10 42/48
H. Output
5?? LHS'r msw
(dN) Jro't't
r--o--H:
sir/ 10' 0
TA8690AN —42
817/217 Ol'lO'IOOZ
2 .szF (NP)
uogpauag
t7 llnDHD lSELL
EV—NV0698VJ.
0‘01 #F 3kg)
ZIiVVEV
NV0698V1
10kfl 51k!)
0 001uF
10m 10m ~ -
O...— .
10kfl 10m
1k!) 0.01%
3909 4300
1ku ‘f;
O_W__‘.
2 ,2,uF
3.3mm ‘ + I Hkfig El)
NVO698V.L VHIHSOL
TOSHIBA
TEST CIRCUIT 5
TA8690AN
mar 0x95 t,
t-s< Crt 's':s"Tir'r-'i
N N D.
9 C m F-
m F- u:
m UHE'E ,3 5
PI 'ssk'-t
driAro
airi0t
- + Ci')
t--u-'-(ii,) rs
C) C))
3rr.trt)
Jrfttro
V-Ai UM --G) Cj)
7 mo; mat
tr8A Crit,? < :9
T , . m
un S Uhor dnLO o .9
co dr/OL
t--, < 'y-i-y-t
grit'0 r-
st CJ'? C-y----- Fl
3ritti)
Y-Ci) Cie)------ :
Jo------ a
t-t m) ce)------- I'
. C?. h F-
dTILO‘O
x--o--iiij
an'm'o
uo <2:
. 3 " g
U'i0's :WLO'O E
2001-01-10 44/48
TOSHIBA
TA8690AN
SPECIAL COMPONENT DATA
Cam? USE SIZE coN/1Efilg) 3:€®?AM ELECTRICAL SPECS.
foMAX : 46.0MHz-8% or
higher
(supplementary coil
G) 30~100MH2)
foMIN : 35.5MHz+8% or
PIF lower
TRF-1445D AFT 10mm C) E (supplementary coil
30-100MHz)
G) No load Q : 65t25%
(at 1coMIN)
Built-in C : PH1H750J
Coil : o.45¢, 6 1/4t
Nominal center frequency :
4.5-6.5MHz
Inductance
-(is) cMAX : 160.1pF (STD) -10%
or higher
TRF-6702D SIF 10mm E cMIN : 95.3pF (STD) +10%
or lower
No load Q : 48i20% (at 4.5MHz)
-OD Coil : o.1¢, 50t
(*) Set the center frequency using
external capacitor C.
Matching Lmin : 5.2PH or lower
TRF-5418 coil for 10mm C) Lmax : 12.2PH or higher
1HDL 0:57 (at L=8.6PH)
Matching .
TRF-1448 coil for SAW 10mm E mdllldadncg I (L): 1:321:35?)
filter (F1034) o oa . U‘ - "
2001-01-10 45/48
TOSHIBA TA8690AN
For PAL 4.433619MH2
Frequency deflection i 25ppm
Temperature characteristics i30ppm (-10--75''C)
Load capacitance 16pF
Recommended Nihon Denpa Industries NR-18
1H delay line
Nominal frequency 4.433619MHz (f0)
Insertion loss 104c3di? (at fo), delay time 63, 945ps
3dB band foi1.0MHz or more
Unwanted reflection 32dB or more (foi1MHz)
Recommended Matsushita Denshi EFD-ED 645A41T
32fH ceramic oscillator
Recommended Murata Manufacturing Co., Ltd. CSB503F30
Delay line
TRF2036
Delay time 600nsi7%
Characteristic impedance 1.6kfl i 10%
Frequency characteristics
Frequency (MHz) 3.0 4.0 4.43
Attenuation (dB) 2i 1.5 6:2 25 or higher
2001-01-10 46/48
TOSHIBA TA8690AN
APPLICATION CIRCUIT g V £5
Fig-e ATT Input oso Brightness Ci?, w. E
4 7/11: J: 10kQ _-
Sound NF Input c':rui'-'-fi) Sound NF Input Sound Output D-o Sound Output 3
10025pF F-t q
Audio Mute $-si--fi) De-emphasis RF AGC Delay 'is..).) 'l' 2 F g
Q tl 111111: + . 68m 1 F
it-, 0 SIF Det. Input RF AGC Output 51 ,
TRF6702 82pF LL "S AGC Output j
13 SIF Limit Out ut ATT Control fir, Fl 9:
Video Mute 3-0/ de 51in S
tiostv,"7-C2-e AGC Filter 1 SIF Input tii)
0.47/5 .
- + AGC Filter 2 AFT Output
PIF/SlF GND AFT Tank
IF Input F1034
O->-l PIF Input PIF Tank
PIF Input PIF Tank
APC Filter PIF/SIF VCC
2QYF (NP)
it-, 3kQ fsc vcxo PIF Det. Output
it-, 33pF =X’tal . .
+ La V/C/D VCC Killer Filter
10 F 3
" fsc VCXO Delayed Signal Input
onvFu--o+-(1js) Clamp Filter Color Control 2
10m c, '/,',
R-Y Output o-OCS) R-Y Output Contrast Control 'Y-fit,- g 'il
B-Y Output o-ti? B-Y Output D.C. Drive D-, 13 H F-
G-Y Output o-ti? G-Y Output V/C/D GND D-t :3
-Y Output 0.47/zF (NP) ii', La
Wray Protect -Y Output Sync. Sepa. Input 36 'g,' 32
Input C? 50 60 “d
1 n-- . + ® X-ray Protect Chroma Input 35 O
10/1F _-
FBP Input
1 k0 r-"-t
tp1.itjd,tiii'] FBP Input Brightness Control ti?
H 10k9. 39prH 6809
V 4300 39p
Output H. Out ut Hi Video In ut Der-u |_-
3900 p p A 160pF
3.3m iHel'
AFC Filter Tint Control 32)—‘ 1kf2 I-o-t
_-m/ve-BI-ti? 32fH VCO Videolnput Ci)) +g-
180.0 500F40 10/1F 10m
$10142 10km51'0k0 5.1m
HA/CC v. Pulse Output D-o dui ut o
.iH10/IF p ji,':,
Ir-o-t OSD R Input v. Sepa. Filter W3 g
OSD R Input 0.IPF 's
OSD B Input OSD G Input D-ooso G Input 2
OOSD B Input a.
HA/CC (9V)
Vcc (9V) Unless otherwise specified 0.01/1F
2001-01-10 47/48
TOSHIBA TA8690AN
PACKAGE DIMENSIONS
SDIPS4-P-600-1.78 Unit : mm
54 28 "i
rOiOrOrOr-1tOrOr1C1r-1f-Tr-1r-TrOr'nClr'nr-1i-nrTr-1r-1r1r-tr-TtOr-t
I-ICI/ll-kt....)'...)'..];;...:;;;;)):.);'.-]'...);;)-, 1
1 27 -
49.3MAX
488.t0.2
3.0i0.3
0.51 MIN ls.5:o.2
'l FLOiOA
Weight : 5.44g (Typ.)
2001-01-10 48/48
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