Sanyo PLC-XP56 Service Manual page 21

Chassis Block Diagrams
* Following information differs from the previous chassis No. MR3-XP5500, others are the same;
- IC7301<TA1370>, sync separator between IC4101 and K30R, has been deleted.
Inputs & video signal processing stage in AV BOARD
DIGITAL TMDS DATA
RGB(DIGITAL)
INPUT
DDC_CLK/DATA
PC1_R
PC1_G
RGB(ANALOG)
PC1_B
IN/OUT
PC1_H
PC1_V
INPUT 2 (BNC)
G/Y/VIDEO
B/CB/PB
R/CR/PR
H/V
V
INPUT 3 (RCA)
Y/VIDEO
CB/PB
CR/PR
INPUT 3 (DIN)
S_SW IN
S-VIDEO
1
M OUT
10
12
MONITOR OUT ON : L
MONITOR OUT OFF : H
14
IC5301
12,5
14,4
SW.
<4053>
1,3,5
20,18,16
12,10,8
22
PC1_H
33,34,35
IN1
36,37
43,42,41
IN2
44,45
3,2,1
IN3
YG
15
IC4145
1
7
3
5
2,4
S_IN Yes : L
S_IN No : H
IC5312
AMP.
2,5 H H
13,3 15
PC1_H/V
1,3
V
4
G_SYNC
PC2_H/V
PC_R/G/B
INPUT 1 : L
CG1/CG2
INPUT 2 : H
SCL1/SDA1
27,26,25
22
H
23
V
2
16
IC4102
4
NOR
1
<TC7SH02>
SEL0:SEL1 = H : H --> INPUT 1
AV SEL0/1 SEL0:SEL1 = L : H --> INPUT 2
SEL0:SEL1 = L : L --> INPUT 3
-21-
DIGITAL RGB
IC5308
IC5306
2
13
CG_HSYNC
5
CG_VSYNC
11
IC5307
3
CG_R/G/B
SCART
2151_Y/CB/CR
IC7302
1370_H
1370_V
IC4105 IC7303
CVBS
49,50,53,54
SVIDEO_Y/C
15,16
17,18
3,4
7,8
11,12
33,34
3,4
7,8
11,12
15,16
17,18
45,46