Acer AC511 SERIES Service Manual page 47

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