LG StudioWorks 575E, Руководство по обслуживанию

Страница: 45 / 52

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V-SYNC INPUT AND POLARITY CORRECTION
EW-OUTPUT H-PINCUSHION H-CORNER H-TRAPEZIUM H-SIZE
HUNLOCK OUTPUT
V-POSITION V-SIZE, VOVSCN
PROTECTION AND SOFT START
COINCIDENCE DETECTOR FREQUENCY DETECTOR TV MODE
V-SYNC INTEGRATOR
X-RAY PROTECTION
EHT COMPENSATION H-SIZE AND V-SIZE
VERTICAL OSCILLATOR AND AGC
V-OUTPUT V-LINEARITY V-LINEARITY BALANCE
SUPPLY AND REFERENCE
H-OUTPUT STAGE
H/C-SYNC INPUT AND POLARITY CORRECTION
PLL1 AND H-POSITION
HORIZONTAL OSCILLATOR
PLL2, PARALLELOGRAM, PIN UNBALANCE AND SOFT START
I C-BUS RECEIVER
I C-BUS REGISTERS
VIDEO CLAMPING AND V-BLANK
OUTPUT ASYMMETRIC EW-CORRECTION
FOCUS HORIZONTAL AND VERTICAL
B+ CONTROL
2
2
V-sync
(TTL level)
14 19 18 16 17
clamping
blanking
HUNLOCK
SDA SCL
V+
9.2V to 16V
10
7
9
25
26
27
28
29
H/C-sync
(TTL level)
15
(video)
8.2 nF
10 nF
100 nF 4.7 k
Ω
R
HREF
R
HREF
(1) 1%
2%
30
12 nF
1
2
HFLB
X-RAY
XSEL
6 4
3 5 8
32
20 13
B+ CONT
OL
APPLICA
TION
(2)
X-RAY
HDRV
or
V
OUT1
12
V
OUT2
EWDRV
VSMOD
HSMOD
7V 1.2V
11
31
21
22
24
23
EHT compensation via horizontal size
EHT compensation via vertical size
100 nF
100 nF
5%
1%
22 k
Ω
TDA4856
BLOCK DIAGRAM FOR TDA4856