LG StudioWorks E700B - Page 34

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HSYNC
(TTL level)
15
VERTICAL SYNC INPUT AND POLARITY CORRECTION
VERTICAL OSCILLATOR AND AGC
HORIZONTAL OUTPUT STAGE
HORIZONTAL OSCILLATOR
EW-OUTPUT HORIZONTAL PINCUSHION HORIZONTAL CORNER HORIZONTAL TRAPEZIUM HORIZONTAL SIZE
23
24 22
21
31 11
6
4 3 5
B+ CONTOL APPLICATION
PLL1 AND HORIZONTAL POSITION
PLL2, PARALLELOGRAM, PIN UNBALANCE AND SOFT START
Clamping
Blanking
(video)
26 27 28
29
1
HFLB
10nF (2%)
R
HBUF
R
HREF (1%)
X-RAY
22 kΩ (1%)
8.2 nF
VERTICAL SYNC INTEGRATOR
EHT COMPENSATON HORIZONTAL SIZE AND VERTICAL SIZE
VERTICAL OUTPUT VERTICAL LINEARITY VERTICAL LINEARITY BALANCE
VIDEO CLAMPING AND VERTICAL BLANK
HUNLOCK OUTPUT
I C-BUS RECEIVER
H/C SYNC INPUT AND POLARITY CORRECTION
VERTICAL POSITION VERTICAL SIZE, VOVSCN
I C-BUS REGISTERS
PRETECTION AND SOFT START
SUPPLY AND REFERENCE
COINCIDENCE DETECTOR FREQUENCY DETECTOR TV MODE
X-RAY PRETECTION
FOCUS VERTICAL
B+ CONTROL
TDA4857
100 nF (5%)
150 nF
VREF
VCAP VAGC
VSMOD
HSMOD
EWDRV
EHT compensation via vertical size
EHT compensation via horizontal size
7V
12V
VSYNC
(TTL level)
14
CLBL
16 17 19
18
10 7 25
VCC
9.2 to 16V
PGND
SGND
HUNLOCK
SDA
SCL
3.3KΩ
100nF
HPLL1
HBUF
HREF
HCAP
30
HPLL2
8.2nF
92
XSEL
XRAY
HDRV
8
12
13
VOUT2
VOUT1
20
i.c
32 FOCUS
BDRV
BSENS
BOP
BIN
2
2
2
BLOCK DIAGRAM FOR TDA4853/4857