TEA2026C ,COLOR TV SCANNING AND POWER SUPPLY PROCESSORGENERAL DESCRIPTION
INTRODUCTION
This integrated circuit uses I2L bipolar technology
and combi ..
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SWITCH MODE POWER SUPPLY PRIMARYCIRCU ..
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TEA2026-TEA2026C
COLOR TV SCANNING AND POWER SUPPLY PROCESSOR
SGSnWCDEV/IISCDN
[ieij[jCR(C)yElaE(C)c0'0R(C)yil%)(5)
TEA2026C
COLOR TV SCANNING AND POWER SUPPLY PROCESSOR
DEFLECTION :
CERAMIC 500 KHz RESONATOR FRE-
QUENCY REFERENCE
NO LINE AND FRAME OSCILLATOR ADJUST-
DUAL PLL FOR LINE DEFLECTION
HIGH PERFORMANCE SYNCHRONIZATION
SUPER SANDCASTLE OUTPUT
VIDEO IDENTIFICATION CIRCUIT
AUTOMATIC 50/60 Hz STANDARD IDENTIFI-
CATION
EXCELLENT INTERLACING CONTROL
SPECIAL PATENTED FRAME SYNCHRO DE-
VICE FOR VCR OPERATION
FRAME SAW-TOOTH GENERATOR
FRAME PHASE MODULATOR FOR THYRIS-
SMPS CONTROL :
ERROR AMPLIFIER AND PHASE MODULA-
SYNCHRONIZATION WITH HORIZONTAL DE-
FLECTION
LINE FREQUENCY OPERATION
SECURITY CIRCUIT AND START-UP PRO-
CESSOR
SWITCHING POWER TRANSISTOR
TURNED OFF BY LINE FLY BACK SIGNAL
TEA2026C
(Plastic Package)
DESCRIPTION
The TEA2026C is a complete (horizontal and verti-
cal) deflection processor with secondary step up
SMPS control for color TV sets.
November 1988
PIN CONNECTIONS
+ Input frame ampiifier
- nnnul frame ampllhev
Flame macaw output
Frame output
Frame vamp generator
Ground power
nch mode powov supply output
s M PS input regulation
Horiz output
S. snndcanle output
Horiz. flyback input
Haul, sawmom
Current " men
Safety input
deuo input
" synchro apacnor hip level)
Vrdeo idtrntitrcatiort capacitor
Mutiny + 50/60 Hz idem output
V,C R. Input
Phase comparator o 1 capacitor
mummAuN-a
Ground suhsmn
A G C key pulse oulpul
V C CI mm."
V co output
v c o ac“ ref.
nnmnnnnnnnfl
Phase comparator ' 2 capacimr
uuuuuuuuuuuuuu
Slamng and safety capacitor
E88TEA2026C-01
SGS-THOMSOI‘J
JhBl2MEuigrRt)yitW8
E88TEA2026C-02
H|—$——«
N svncnno
—~|H27}——.
v 050 NPUT
50 60 H1 ‘
I VUT ‘Nf: OUTPUT
VCR SWITCHING
I I suasmn
UUTDU‘I
( ROUND
H SYNC
SYNCHflO
I 503 ”11
V“ 9 nos
-iib--iy
KEV PULSE
VCL) 500 h H!
IDENTIFIC
V1INHImT|o~ +
TIME CISWITCHIING
SAFETY WPuT
l————_"‘ V7
CONSTANT
HORMONTAL
FRAME YIMWG
L“ 50’” H‘ iDENTIFICATION LOGIC
LOGCTIMIM; V\|[:TH
FRAME ERROR
AMPLIFIER
SAFETY
CLRFENT
VCLYAOE
SW‘TCH 0N OFF
SAFETY CIRCUIY
u snw 100m r
cmznmon _/L/ L‘FH
son swarms
CIRCUW 1
SAW—TOOTH
ObTPU‘I’
INHIB.
@ FRAME
OLTPUT
H UpTPuI S SANU
H INHIa-T CASTLE
F KANE
MODULAT
S M PS
OUTPU’
S M P S
WMOOUkAT
vn nae v ® HORIZONTAL
+ m BACK
- INPUT
S SC OUTPLH
”CC f1.
w 4’1“ T
SAW TOOTH
GROUND
HORIZONTAL
OUTPJT
BLOCK DIAGRAM
TEA2026C
