Read Sharp LL-171ME (serv.man3) Service Manual online
LL-171ME
CIRCUIT DIAGRAM & PWB LAYOUT
7 – 14
AHVSUP
DVSUP
SW-V50
AVSUP
SW-V50
SW-V90
DVSU
P
AVSUP
AHVSUP
DVSUP
DVSUP
VS50
DVSUP
AHVSS
PC-L
(8)
TU-R
(8)
TUB-RET
(4,9,11,13)
TU-L
(8)
PC-R
(8)
MONOS
(11)
TUNER-AUDIO
(11)
5VSCL
(11)
5VSDA
(11)
AI-L
(15)
AI-R
(15)
VIDEO_SEL0
(4,15)
VIDEO_SEL1
(4,15)
AO-R
(15)
AO-L
(15)
GND
(8)
M= METAL 1%
ALL RESISTORS 1/10 WATT,5% UNLESS NOTED.
ALL CAPACITOR VALUES IN uF UNLESS NOTED.
ALL RESISTORS VALUES IN OHMS UNLESS NOTED.
ALL RESISTORS 25 VOLT IN .1uF UNLESS NOTED.
NOTE : NC MEANS "NOT CONNECTED ON PCB BOARD
"
ALL CAPACITORS 50 VOLT & 105"C UNLESS NOTED.
RT60
1K
RT137
22K
YT
2
18.432MHz
RT179
10K
CT131
220P
CT109
.1u
RT131
22K
CT115
0.1uF
RT178
10K
CT84
1000p
+
CT114
10u/50V
RT112
NC
CT129
0.1uF
CT152
.1u
RT117
1K
RT61
1K
RT139
4.7K
CT128
22u/50V
RT108
22
CT116
56p
RT104
220
CT85
1000p
+
CT147
2.2u/50V
CT130
470P
CT111
0.47uF/0805
ZDT10
5C1/SMD
1
2
RT62
1K
CT137
330u/16V
LT4
4.7/1206
CT127
220P
CT124
22u/50V
CT117
100pF
CT119
18P
+
CT148
2.2u/50V
QT5
2N3904
RT103
220
RT132
22K
RT107
220
RT106
NC
CT121
1000p
CT118
56p
RT116
NC
RT114
1K
+
CT150
2.2u/50V
+
CT113
10uF/50V
RT115
1K
QT10
2N3906
3
2
1
ZDT8
5C1/SMD
1
2
RT119
100
CT106
0.47uF/0805
CT191
NC
CT135
220P
RT111
NC
CT133
0.1uF
ZDT9
5C1/SMD
1
2
RT134
22K
UT4
74HC4052
X0
12
X1
14
X2
15
X3
11
Y0
1
Y1
5
Y2
2
Y3
4
EN
6
A
10
B
9
X
13
Y
3
VDD
16
GND
8
VEE
7
CT134
470P
RT135
22K
CT132
22u/50V
CT120
18P
CT92
1000p
CT107
0.47uF/0805
CT125
0.1uF
RT133
22K
ZDT7
5C1/SMD
1
2
CT136
330u/16V
CT138
330u/16V
CT110
0.47uF/0805
CT151
470u/16V
CT126
470P
RT136
22K
CT192
NC
+
CT123
10u/50V
CT90
1
000p
LT1
270/1206
RT105
NC
LT8
0.68uH/2012
+
CT108
3.3u/50V
RT177
10K
RT110
22
CT122
1000p
RT59
1K
RT138
22K
LT9
0.68uH/2012
RT113
10K
CT112
0.1uF
RT109
220
WT
5
COMPONENT2 AUDIO-R
2
1
UT10
MSP 3415G
ANA_IN1+
50
ANA_IN-
51
NC
52
TESTEN
53
XTAL_IN
54
XTAL_OUT
55
TP
56
NC
57
NC
58
NC
59
D_CTR_I/OUT1
60
D_CTR_I/OUT0
61
ADR_SEL
62
STANDBYQ
63
NC
64
I2C_CL
1
I2C_DA
2
I2S_CL
3
I2S_W
S
4
I2S_DA_OUT
5
I2S_DA_IN1
6
ADR_DA
7
ADR_WS
8
ADR_CL
9
DVSUP
10
DVSS
11
I2S_DA_IN2
12
NC
13
NC
14
NC
15
RESETQ
16
CAPL_M
32
AHVSUP
31
NC
30
SC1_OUT_L
29
SC1_OUT_R
28
VREF1
27
NC
26
NC
25
NC
24
NC
23
NC
22
DACM_L
21
DACM_R
20
VREF2
19
NC
18
NC
17
AVSS
48
MONO_IN
47
VREFTOP
46
SC1_IN_R
45
SC1_IN_L
44
ASG
43
SC2_IN_R
42
SC2_IN_L
41
ASG
40
NC
39
NC
38
NC
37
NC
36
NC
35
AGNDC
34
AHVSS
33
AVSUP
49
QT9
2N3904
+
CT149
2.2u/50V
LT10
0.68uH/2012
WT
4
COMPONENT2 AUDIO-L
2
1
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
14/15
MSP3455G
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