Sharp LC-32SH20U Service Manual page 48

A B
8
FROM/TO MICON
SCL1
SDA1
7
DDVS
FROM/TO SCALER
DDHS
DDVS
DDCK
DPG7
DPG6
DPG5
DPG4
6 DPG3
DPG2
DPG1
DPG0
DPR7
DPR6
DPR5
DPR4
DPR3
DPR2
DPR1
DPR0
DPB7
DPB6
DPB5
DPB4
DPB3
5
DPB2
DPB1
DPB0
FROM/TO INTERFACE_HDMI IC
DDHS
DDVS
DDCK
DPG7
DPG6
DPG5
DPG4
DPG3
DPG2
DPG1
4
DPG0
DPR7
DPR6
DPR5
DPR4
DPR3
DPR2
DPR1
DPR0
DPB7
DPB6
DPB5
DPB4
DPB3
DPB2
DPB1
DPB0
3
DIGITAL
L2101
ANALOG
22uH
NLCV32T
FROM/TO REGULATOR
P.CON+3.3V
2 GND
P.CON+5V
1
A B
H-21
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C
ADC1 SCHEMATIC DIAGRAM
0 3.3 3.3 3.3 3.3 3.3
80 79 78 77 76 75
0
GND
3.3
GREEN7
3.3
NR2101 GREEN6
80 GND
4D03WGJ0101T5E
DPG7
3.3
DPG6 GREEN5
DPG5
3.3
DPG4
GREEN4
3.3
GREEN3
3.3
NR2102
GREEN2
4D03WGJ0101T5E
DPG3
3.3
DPG2 GREEN1
DPG1
3.3
DPG0
GREEN0
0
GND
C2105
3.3
VDD
0.1 B
3.3
BLUE7
3.3
NR2103 BLUE6
4D03WGJ0101T5E
DPB7
3.3
DPB6 BLUE5
DPB5
3.3
DPB4
BLUE4
3.3
BLUE3
3.3
21 GND
NR2104 BLUE2
4D03WGJ0101T5E
DPB3
3.3
DPB2 BLUE1
DPB1
3.3
DPB0
BLUE0
0
GND
21 22 23 24 25 26
0 3.3 3.3 0 0 3.3
L2103
47uH
NLCV32T
L2102
22uH
NLCV32T
C
D E
(SCALER PCB)
1
23
NC
3.3 3.3 3.3 3.3 3.3 3.3 0 3.0 3.1 0 3.1 0 3.3 0
74 73 72 71 70 69 68 67 66 65 64 63 62 61
0
GND
3.3
VD
1.3
REF BYPASS
61 GND
3.9
SDA
3.9
SCL
0
A0
0.5
RAIN
0
GND
C2133
3.3 6.3V
AD CONVERTER
VD
IC2101
3.3
MST9883C-LF-110
VD
0
GND
0.9
SOGIN
0.5
GAIN
0
GND
3.3
VD
3.3
VD
0
41 GND
GND
0.5
BAIN
3.3
VD
0
27 28 29 30 31 32 33 34 35 36 37 38 39 40
3.3 0 3.3 3.8 3.8 0 1.3 1.3 3.3 0 0.4 0 3.3 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.
D E
F G
C2130
0.1 B
C2136
0.1 B
C2144 R2111
0.047 B 470
C2137
220 V-S
0.1 B
C2131
0.1 B
C2145
0.001 B
C2143
0.047 B
C2132
0.1 B
C2138 C2140
0.1 B 12P CH
C2146
C2139 15PCH
0.047 B
C2129
0.1 B
5.0
BUFFER
R2114
Q2101
2SA1530A 0.7
100
0
C2142
100P CH
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
F G
H
8
7
6
5
4
L2107
22uH
NLCV32T
FROM/TO AV SWITCH1
27
SW_PR/R
28
3
SW_Y/G
29
SW_PB/B
2
PCBDS0
CEF156
1
H
H-22