Sanyo LCD-32XH3 Service Manual page 6

IC Block Diagrams
IC1651 < 1 ch Power Controller by the PWM Switching System > FA7700V-TE1
RT
1
VREF
VREF
REF 2
2.2V
Power Good Signal
IN-
3
FB 4
IC2203 < Digital Video Decoder > TVP5147PFP
VI_1_A
80
CVBS/
VI_1_B 1
C/Pb
VI_1_C 2
VI_2_A 7
CVBS/
8
VI_2_B
Y
VI_2_C
9
VI_3_A
16
CVBS/
VI_3_B
17
C/Pr
VI_3_C
18
CVBS/Y
VI_4_A
23
(On the ASSY, PWB, MAIN)
UVLO
0.3V
OSC
5.5V
1.5V
1.5V
BIAS S.C. DET
+
OFF
ON/OFF
+
+
+
+
ERROR.
PWM
AMP.
Copy
CVBS/Y
Protection
Detector
Analog
Front End
Clamping
AGC M
U
X
2 x 11-Bit
ADC
Sampling
Clock
Timing Processor
with Sync. Detector
75 33 34
74 40
8
CS
ON/OFF
+
7
VCC
S.C.P
+
2.2V
OUT
6
5 GND
VBI
Data
Processor
Composite and S-Video processor
Y/C
Y
Luma
Separation
Processing
5-line
C
Chroma
Adaptive
Processing
Comb
36
71 73 72 37
-6-
43 ~
50 ~
Output
Formatter
57 ~
63 ~
69 ~
35
Host
Interface
28 29
47 ,
54
Y (9~0)
C (9~0)
60 ,
66 ,
70
GPIO