Read Sharp LC-22SV2E (serv.man11) Service Manual online
31
30
LC-22SV2E
12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
OVERALL WIRING DIAGRAM
OPERA
TION UNIT
1
KEY1
1
KEY1
1
VSY
1
V
SY
1
V
L0
2
KEY2
2
KEY2
2
H
SY
2
H
SY
2
VL64
DUNTKB598DE
3P
O
W
1
3
P
O
W
1
3
V
A
C
T
3
V
A
CT
3
V
L96
4P
O
W
2
4
P
O
W
2
4
V
A
C
T_CONT
4
V
A
C
T_CONT
4
VL128
5
GND
5
GND
5
S
CSB
5
SCSB
5
VL160
6
SCK
6
S
CK
6
VL192
ANALOG UNIT
7
S
SI
7
S
SI
DIGT
AL UNIT
7
VL224
8
S
RD
YB
8
SRD
YB
8
VL256
DUNTKB522DE
9
S
SO
9
S
SO
DUNTKB525DE
9
VH256
10
GND
1
0
GND
10
VH224
11
CSYNC
11
CSYNC
11
VH192
1
R
/C
1
R/C
12
DDCRESET
12
DDCRESET
12
VH160
R/C
, LED UNIT
2
+5V
2
+5V
13
GND
13
GND
1
3
VH128
3
GND
3
G
ND
14
SCL3
14
SCL3
14
VH96
DUNTKB597DE
4
TV_PO
W
4
TV_PO
W
15
SD
A3
15
SD
A3
15
VH64
5O
P
C
5O
P
C
16
GND
16
GND
16
VH0
6
RCIND/SLEEP
6
RCIND/SLEEP
17
OFL
1
7
O
FL
17
GND
7
OPC_LED
7
O
PC_LED
18
GND
18
GND
18
GO0
8
FLASH
8
FLASH
19
SW
-SYNC
1
9
S
W
-SYNC
19
GO1
20
NC
20
NC
20
GO2
21
NC
21
NC
21
GO3
22
NC
22
NC
22
GND
23
GO4
24
GO5
25
GO6
1
SIG_VCC
1
SIG_VCC
26
GO7
2
S
IG_VCC
2
SIG_VCC
27
GND
3
B13V1A
3
B13V1A
28
R
O
0
4
B13V1A
4
B13V1A
29
R
O
1
5
N
C
5
NC
30
R
O
2
6
B9V200MA
6
B9V200MA
3
1
R
O3
SPEAKER L
1
LSP
7
G
ND
7
G
ND
32
GND
2
GND
8
GND
8
GND
33
R
O
4
SPEAKER R
3
RSP
9
GND
9
G
ND
34
R
O
5
4G
N
D
10
GND
10
GND
35
R
O
6
11
GND
11
GND
3
6
R
O7
12
B-8V1A
12
B-8V1A
37
GND
38
RE0
39
RE1
40
RE2
1
G
ND
1
GND
41
RE3
2
L
CD_CONT
2
L
CD_CONT
42
GND
3
GND
3
GND
43
RE4
4
DDC_RST2
4
D
DC_RST2
44
RE5
5
D
A
C2_CS
5
D
A
C2_CS
4
5
RE6
6
D
A
C
1_CS
6
D
A
C
1_CS
46
RE7
7
GND
7
GND
47
Y
O
BI7
8
V
SH_OUT
8
V
SH_OUT
4
8
Y
OBI6
9
VSH_IN
9
V
SH_IN
49
Y
OBI5
10
GND
10
GND
50
Y
O
BI4
11
MP_CLK
11
MP_CLK
51
Y
O
BI3
12
MP_D
A
12
MP_D
A
5
2
Y
OBI2
13
GND
1
3
GND
53
Y
O
BI1
14
MP_CS
1
4
M
P_CS
15
OSD_B
1
5
O
SD_B
16
OSD_G
1
6
O
SD_G
17
OSD_R
1
7
O
SD_R
1
C
SCOM
18
OSD_VD
18
OSD_VD
2
C
SCOM
19
OSD_BLK
19
OSD_BLK
3
V
COM
20
OSD_CK
20
OSD_CK
4
VCOM
21
OSD_HD
21
OSD_HD
5
G
ND
22
P-MUTE
2
2
P
-MUTE
6
VLS+13V
7
VLS+13V
8
VSH+3.3V
9
VSH+3.3V
10
LBR
11
GND
12
BO0
13
BO1
14
BO2
15
BO3
16
GND
17
BO4
18
BO5
19
BO6
20
BO7
21
GND
22
BE0
23
BE1
24
BE2
25
BE3
26
GND
27
BE4
28
BE5
29
BE6
1
H_GND1
30
BE7
2
H_GND2
31
GND
3
H
_GND3
32
GE0
4
H
_GND4
33
GE1
34
GE2
35
GE3
36
GND
1
H_GND5
1
INV_VCC
37
GE4
2
H_GND6
2
INV_VCC
38
GE5
3
H
_GND7
3
INV_GND
39
GE6
4
H_GND8
4
INV_GND
40
GE7
5O
F
L
41
GND
42
REV
1
M
RD
Y
1
REG
43
LS
2
B
USY
2
M
RD
Y
44
SPIO
3
C
N VSS
3
S
D
A
1
45
SPOI
4
RESET
4
S
CL2
46
GND
5
RXD
5
G
ND
47
CK
6
TXD
6
48
GND
7
SCLK
49
POLA
8S
W
50
POLB
9V
C
C
10
GND
1
C
S-COM
2
C
S-COM
3
V
GH+34V 0.5V
4
V
GH+34V 0.5V
5
GSP2
6P
O
W
E
R
1
H
A1
INVER
TER UNIT
1
INV_VCC
7G
C
K
2
H
A2
2
INV_VCC
8
GLBR
3
H
A3
DUNTKB526DE
3
INV_GND
9G
N
D
4
INV_GND
10
GND
5O
F
L
11
OEM
12
NC
1H
B
1
13
VSH+3.3V
2
HB2
14
VSH+3.3V
3H
B
3
15
GSP1
16
VEE-6.0V
17
VEE-6.0V
18
V
GL-6.0V
1H
C
1
19
V
G
L-6.0V
2
HC2
20
GND
3H
C
3
21
GND
22
GND
23
Y
O
BI1
24
Y
O
BI2
1H
D
1
25
Y
OBI3
2H
D
2
26
Y
OBI4
3H
D
3
27
Y
O
BI5
28
Y
O
BI6
29
Y
O
BI7
30
VLS+13V
PF
LA
LB
LC
KK
RM
LD
SA
GA
TP2
TP1
GB
MA
MB
MC
RM
KK
PF
SCN2
SCN1
GD
MA
MB
MC
1
V2V0
1
2
G
ND
2
3
T
EXT_R
3
4
GND
4
5
T
EXT_G
5
6
GND
6
7
T
EXT_B
7
8
GND
8
9
V
_A
V1
9
10
GND
1
0
11
B_ST
1
1
12
GND
12
13
G_ST
13
14
GND
14
15
R_ST
15
16
GND
1
6
17
V1_SC
17
18
GND
18
19
V1_IN
19
20
GND
20
21
V2_V
21
22
FSW1
22
ME
V2V0
GND
TEXT_R
GND
TEXT_G
GND
TEXT_B
GND
V_A
V
1
GND
B_ST
GND
G_ST
GND
R_ST
GND
V1_SC
GND
V1_IN
GND
V2_V
FSW1
ME
BA
CK LIGHT
Display
