Read Sharp LL-171ME (serv.man3) Service Manual online
LL-171ME
CIRCUIT DIAGRAM & PWB LAYOUT
7 – 15
VIDEO_SEL1
VIDEO_SEL0
AI_L
AI_R
SCART_ON
AO_L
C
VIDEO_MUTE
AO_
R
Y
SW-V90
SW-V33
V50-VA
SW-V50
GND_R
GND_V
V50-VA
AVGND
AV_GN
D
AV_GND
GND_EB
G
ND_EG
GND_EB
GND_VI
SW-V120
SW-V120
GND_V
AHVSUB
CLAMP
(13)
SCART_G
(13)
S-VIDEO_Y
(2,13)
PORTC11
(7)
TTX_R
(12,13)
VIDEO
(13)
SCART_R
(13)
AI-L
(14)
TTX_
B
(12,13)
SCART_IN
(13)
S-VIDEO_C
(13)
SCART_B
(13)
TTX_G
(12,13)
AI-R
(14)
TTX_FBIN2
(12)
T
V_VO
(11)
VIDEO_SEL0
(4,14)
VIDEO_SEL1
(4,14)
CB
(2)
Y
(2,13)
CR
(2)
PORTC9
(7)
PORTC10
(7)
PORTC8
(7)
RGB/C-SEL
(12)
T
V
/AV-SEL
(12)
AO-L
(14)
AO-R
(14)
~0.7V
through
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.
DT14
BAV9
9
RT200
75
WT1
CON-SCART
AO_R
1
AI_R
2
AO_L
3
GND_A
4
GND_B
5
AI_L
6
B
7
FS
8
GND_G
9
D2
10
G
11
D1
12
GND_R
13
GND
14
R
15
CTL
16
GND_V
17
GND
18
VO
19
VI
20
F.G
21
RT182
18
CT24
0.1u
ZDT12
5C1/SMD
1
2
QT13
2SC2412
2
1
3
+
CT89
3.3uF/50V
+
CT212
3.3uF/50V
DT4
15V/SMD
1
2
CT216
18pF
LT24
80
LT25
NC/0805,1206
CT199
0.1uF
DT11
BAV99
DT8
BAV9
9
RT193
75
CT23
10000pF
RT38
10
k
CT207
0.1uF
RT185
0
RT41
10k
+
CT213
2.2uF/50V
CT203
0.1uF
DT5
15V/SMD
1
2
CT219
NC
+
CT194
22uF/50V
+
CT197
470u/16V
DT7
BAV99
RT36
15k
RT201
75
CT218
18pF
ZDT1
5C1/SMD
1
2
CT208
0.1uF
CT202
.1u
CT198
0.1uF
CT17
0.1u
RT195
470
WT3
RCA_Yellow_V1
2
1
RT43
10k
RT
3
5
10
k
ZDT15
0 ohm/
1206
1
2
NC
R
T49
R
T90
75/1206
RT180
NC
QT12
2SC2412
2
1
3
R
T70
NC
CT16
0.1u
DT6
BAV99
C
T95
1000p
CT193
0.1uF
RT186
0
RT
3
7
1k
CT26
0.1u
RT39
10k
RT202
0 /1206
NC
R
T48
D
T13
BAV99
ZDT3
10V/SMD
1
2
CT217
18pF
RT183
1K
RT204
100
RT83
75
LT23
80
RT187
0
RT196
NC
RT40
3.3k
UT7
BA7645
IN1
1
CTLA
2
CTLB
3
IN2
4
CTLC
5
IN3
6
VCC
7
IN4
8
GND
9
VOUT
10
RT65
2.2K
+
-
NT9A
LM339
7
6
1
RT91
75
ZDT2
10V/SMD
1
2
RT181
0
RT192
75
ZDT11
5C1/SMD
1
2
R
T68
220
/1206
RT197
NC
CT201
NC
CT204
0.1uF
CT215
18pF
+
CT214
2.2uF/50V
CT32
1000pF
CT33
1000pF
CT205
0.1uF
CT
9
1
18pF
RT424.7k
RT66
2.2K
U
T12
TA1287
VIN
1
YIN
2
UI
N
3
CPIN
4
GND
5
RI
N
6
GI
N
7
BIN
8
YS1
9
YS2
10
YS3
11
VCC
12
VO
13
YO
14
UO
15
MAC
16
+
CT195
22uF/50V
CT22
10000pF
CT209
0.1uF
+
-
NT9B
LM339
5
4
2
3
12
CT34
1000pF
RT67
110 /1206
RT184
680
RT198
470
CT206
18pF
+
CT7
470uF
RT84
75
CT31
1000pF
NC
R
T50
WT8
WT-2
1
2
3
4
7
5
6
ZDT14
5C1/SMD
1
2
+
CT211
3.3uF/50V
CT15
10000pF
CT196
0.1uF
RT194
75
CT100
1000p
D
T15
BAV99
+
CT200
10uF/16V
CT25
0.1u
D
T12
BAV99
+
-
NT9D
LM339
11
10
13
RT203
100
ZDT13
5C1/SMD
1
2
RT188
680
R
T69
270K
RT199
75
CT
4
6
18pF
CT29
0.1uF
+
CT210
3.3uF/50V
D
T10
BAV99
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
15/15
Video Input
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