Acer AC511 SERIES Panduan Servis - Halaman 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