Sharp LL-191A Service Manual ▷ View online
LL-191A-W/B
CIRCUIT DIAGRAM & PWB LAYOUT
6 – 2
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
2/6
AU
D
IO
L
RSPK+
RSPK-
LSPK+
LSPK-
SEBTL
AUDIO VD
R
ORG_5VX
VOLUME
4
STB
4
ALL RESISTORS 1/10 WATT,5% UNLESS NOTED.
ALL CAPACITOR VALUES IN uF UNLESS NOTED.
ALL RESISTORS VALUES IN OHMS UNLESS NOTED.
NOTE : NC MEANS "NOT CONNECTED ON PCB BOARD"
ALL CAPACITORS 50 VOLT & 105"C UNLESS NOTED.
M= METAL 1%
ALL RESISTORS 25 VOLT IN .1uF UNLESS NOTED.
J2
PH-K77S
1
2
3
4
5
6
7
8
R120
270 1%
+
C141
N.C
25V
J4
CON6
1
2
3
4
5
6
R119
270 1%
+
C185
100u
16V
F2
1.5A
+
C137
1u
25V
+
C142
N.C
25V
R116
150 1%
+
C119
N.C
25V
C183
.1u
C151
1000P
+
C138
1u
25V
C153
N.C
R115
1k
R126
N.C
R117
150 1%
+
C144
1u
25V
+
C116
10u
25V
U12
AP2121
GND
1
PCBEN
2
VOLUME
3
LOUT+
4
LIN+
5
LIN-
6
PVDD
7
RPYPASS
8
LOUT-
9
LBYPASS
10
RIN+
23
RIN-
20
ROUT+
21
VDD
19
CLK
17
PVDD
18
ROUT-
16
SE/BEL
15
GND
13
BYPASS
11
GND
12
PC-BEEP
14
/SHT
22
GND
24
R197
0
+
C184
1000u
10V
Q2
N.C
1
3
2
R113
0
C152
1000P
LL-191A-W/B
CIRCUIT DIAGRAM & PWB LAYOUT
6 – 3
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
3/6
DISPLA
Y BO
ARD
LED1
SN1
PKEY
SN2
LED2
SN1
SN2
+5VX
GND
R_SPK-
L_SPK+
L_SPK-
HEAD_LHEAD_L
R_SPK-
L_SPK-
L_SPK+L_SPK+
R_SPK+
SE_BTL
HEAD_R
R_SPK+
+5VX
+5VX
+5VX
+5VX
+5VX
ALL RESISTORS 1/10 WATT,5% UNLESS NOTED.
ALL CAPACITOR VALUES IN uF UNLESS NOTED.
ALL RESISTORS VALUES IN OHMS UNLESS NOTED.
NOTE : NC MEANS "NOT CONNECTED ON PCB BOARD"
ALL CAPACITORS 50 VOLT & 105"C UNLESS NOTED.
ALL RESISTORS 25 VOLT IN .1uF UNLESS NOTED.
M= METAL 1%
+
CD4
10uF
1
2
RD12
1K
RD14
1K
J7
CON6
1
2
3
4
5
6
RD9
20K
RD19
N.C
RD18
1K
0805
CD1
.1u
+
CD3
10uF
1
2
SWD4
DOWN
JD1
PHONE JACK
5
4
3
6
2
1
WD3
CON4
1
2
3
4
RD1
10K
RD15
20K
RD21
47
0805
SWD5
UP
RD17
1K
0805
SWD1
AUTO
RD7
20K
RD6
1K
RD16
1K
0805
RD4
10K
RD5
20K
LED1
1
3
2
SWD3
MODE
WD1
CON7
1
2
3
4
5
6
7
RD3
1K
RD10
10K
RD13
20K
RD2
20K
RD20
47
0805
RD11
20K
CD2
.1u
SWD6
POWER
SWD2
MENU
RD8
1K
LL-191A-W/B
CIRCUIT DIAGRAM & PWB LAYOUT
6 – 4
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
4/6
MCU
PKEY
LED1
SN2
SN1
LED2
+5VX
+5VX
+5VX
+5VX
+5VX
+5VX
+5VX
+5VX
+5VX
ORG_5VX
VOLUME
2
BRIGHTNESS
PKEY
SEBTL
STB
2
BK_EN
PANEL_EN
6
VSYNC
1,5
HSYNC
1,5
SCL
5
CSZ
5
SDA
5
HWRESET
5
DDC_CLK
1
DDC_DAT
1
BRIGHTNESS
BK_EN
INT
5
ALL RESISTORS 1/10 WATT,5% UNLESS NOTED.
ALL CAPACITOR VALUES IN uF UNLESS NOTED.
ALL RESISTORS VALUES IN OHMS UNLESS NOTED.
NOTE : NC MEANS "NOT CONNECTED ON PCB BOARD"
ALL CAPACITORS 50 VOLT & 105"C UNLESS NOTED.
ALL RESISTORS 25 VOLT IN .1uF UNLESS NOTED.
M= METAL 1%
R85
22
C70
.1u
C41
100p
C73
.1u
D9
NC
1206
U6
MTV412_PLCC
DA2/P52
1
DA1/P51
2
DA0/P50
3
VDD3
4
HSDA2/P76
5
HSCL2/P75
6
RST
7
VDD
8
AD3/P63
9
VSS
10
X2
11
X1
12
ISDA/P34/T0
13
ISCL/P35/T1
14
P42
15
AD2/P62
16
P10
17
P11
18
P32/INT0
19
P12
20
P13
21
P14
22
P15
23
P16
24
P17
25
AD1/P61
26
AD0/P60
27
HSDA/P31/TXD
28
HSCL/P30/RXD
29
P64/DA10
30
P65/DA11
31
P66/DA12
32
P67/DA13
33
DA6/P56
34
DA7/P70
35
P40
36
P41
37
DA9/P72
38
DA8/P71
39
DA5/P55
40
DA4/P54
41
DA3/P53
42
HSYNC
43
VSYNC
44
U7D
74HC14
9
8
RP3
10K
1
2
3
4
5
6
7
8
6
7
8
C45
22pF
C72
.1u
Y1
12MHZ
C46
22pF
+
C49
10u
16V
C96
22P
U8
24LC16
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
R90
47
C95
22P
R63
10K
R100
NC
RP2
10K
1
2
3
4
5
6
7
8
6
7
8
U7B
74HC14
3
4
R79
100
C39
.1u
C43
.1u
U7A
74HC14
1
2
R77
10K
U7E
74HC14
11
10
R88
N.C
R76
10K
R74
22
R78
120
R86
100
J16
W250-6A
1
2
3
4
5
6
C50
NC
C71
.1u
C125
.1u
C44
.1u
R130
47
R87
N.C
C102
1000P
R91
NC
R62
10K
+
C47
NC
16V
R97
2.2K
C40
.1u
RP4
10K
1
2
3
4
5
6
7
8
6
7
8
R75
120
R81
22
R61
10K
C38
.1u
RP5
10K
1
2
3
4
5
6
7
8
6
7
8
R80
22
+
C143
10uF
R128
100K
J15
CON7
1
2
3
4
5
6
7
R84
22
R89
47
R60
10K
RP1
10K
1
2
3
4
5
6
7
8
6
7
8
U9
MAX810MTR
GND
1
IN
3
VO
2
C42
100p
R96
10K
C103
1000P
LL-191A-W/B
CIRCUIT DIAGRAM & PWB LAYOUT
6 – 5
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
5/6
PO
WER DC-DC
+3.3VX
+5VX
+5VX
VLCD
+5VX
+5VX
VCC2.5
ORG_5VX
PANEL_EN
4
ALL RESISTORS 1/10 WATT,5% UNLESS NOTED.
ALL CAPACITOR VALUES IN uF UNLESS NOTED.
ALL RESISTORS VALUES IN OHMS UNLESS NOTED.
NOTE : NC MEANS "NOT CONNECTED ON PCB BOARD"
ALL CAPACITORS 50 VOLT & 105"C UNLESS NOTED.
ALL RESISTORS 25 VOLT IN .1uF UNLESS NOTED.
M= METAL 1%
U5
IRF7316
S1
1
G1
2
S2
3
G2
4
D2
5
D2
6
D1
7
D1
8
F1
2.5A
1
2
+
C51
100u
16V
R135
N.C
R136
N.C
U3
AIC1084
GND
1
IN
3
VO
2
+
C113
100u
16V
R125
4.7K
L4
BEAD
U7C
7414_0
5
6
R133
0
C112
.1u
+
C115
1000u
10V
R121
33
R138
0
C114
.1u
+
C117
100u
16V
Q1
C1213
2
1
3
R28
4.7K
R137
N.C
R118
10K
C100
.1u
+
C101
100u
16V
R123
2.2K
C118
.1u
U7F
7414_0
13
12
U4
RC1117/2.5
ADJ
1
IN
3
VO
2
C104
1uF
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