Sharp LC-32SH20U Service Manual page 51

A B
8
SW2_G/Y
SW_G/SW_Y
7
SW2_B/CB
SW_B/SW_CB
6
SW2_R/CR
SW_R/SW_CR
5
FROM/TO MICON
C_SYNC
SD_SW1
FROM/TO SCALER
SW_VIDEO_Y
4
SW_R/SW_CR
SW_G/SW_Y
SW_B/SW_CB
SW2_R/CR
SW2_G/Y
SW2_B/CB
SW_CVBS
3
FROM/TO ADC1
SW_Y/G
SW_PB/B
SW_PR/R
2
GND
FROM/TO REGURATER
P.CON+9V
P.CON+5V
1
A B
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C D
AV SWITCH1 SCHEMATIC DIAGRAM
W840
R8105
150
R8142
R8122
150
150
R8149
150
R8124
150
C8112
C8109
1 B
C8113
C8110
1 B
C D
E
(SCALER PCB)
5.0
BUFFER
R8148
Q8106
0.7 2SA1530A
100
0
5.0
BUFFER
R8145
Q8105
0.7 2SA1530A
100
0
SCART2 OUT CVBS SW
IC8103 MM1501XNRE
8.9
SYSNC_SEPA
VCC
H
5.1 Q8101
1 B 5.1
2SA1530A
C8128 R8116
4.4
0
5.5
1 B 1K
BUFFER
R8113
0
L
5.1
1 B
100K
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
E
F G
SW_Y/G
SW_PB/B
SW_PR/R
NLCV32T
L8105
P.CON+5V
22uH
P.CON+5V
SYSNC_SEPA
Q8103
1.0 C_SYNC
2SC3052
R8129 R8130
0.7
3.3K 4.7K
0
SYSNC_SEPA
Q8102
2SC3052
1.5 3.1
R8125 C8146 0.3
12K B 1
0
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
F G
H
8
7
6
5
4
3
2
PCBDS0
CEF156
1
H
H-28