Acer AC511 Series Service Manual page 47

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Vref 8
INTERNAL
BIAS
1/2 Vref
F.B 2
COMP. 1
Is 3
Ct/Rt 4
R
R OSD 1
G OSD 2 Analog/
Digital
B OSD 3
OSD
4
Select
Hi Z Input
R Video 5
Buffer Amp
G Video 6
B Video 7
Analog
8
GND
Registers
Vcc 9
Vref Rext 10
SDA 11
2
I C Interface
SCL 12
IC901 3842
5V SET/
Vref RESET
U.V.L.O.
LOGLC
ERR
1/3
AMP
1V
OSCILLATOR
IC801 LM1269
To Other Video Channels
R
Restore Amp
OSD
Contrast
R
Contrast OSD
Auto Beam
Mixer
Limit Amp
To internal
Blocks with "
46
C.S.
R
COMP
PWM
LATCH
S
H Blank
24
Clamp DC
23
22
21
R 20
19
Output
Gain
Buffer Amp
18
17
DC DACs
16
Vref Offset
15
R
R
14
Vref 13
7 VCC
36V
5 GND
6 O/P
H Flyback
Clamp
ABL
Vref OUT
R OUT
G OUT
B OUT
Digital
GND
DAC 1
DAC 2
DAC 3
DAC 4