Read Sharp LC-20SD4E (serv.man5) Service Manual online
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
TU2801
RCA TYPE/VHF+UHF
DIGITAL TUNER
1
10
11
12
13
14
15
16
3
4
5
2
6
7
8
9
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
:LES PIECES REPAREES PAR UN
ETANT
ATTENTION
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
THE TIME
THIS INTERCONNECTION DIAGRAM IS THE LATEST AT
NOTE:
:SINCE THESE PARTS MARKED BY
CAUTION
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE
7
6
5
4
3
2
1
CP103
4
3
2
1
CD302
SPEAKER
SP301
SPEAKER
SP302
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
4
5
3
2
1
CP2403
17
16
15
14
13
12
11
10
9
8
7
6
4
5
3
2
1
CP801
17
16
15
14
13
12
11
10
9
8
7
6
4
5
3
2
1
CP4205
29
30
28
27
26
25
24
23
22
21
20
19
2
1
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
CP802
29
30
28
27
26
25
24
23
22
21
20
19
2
1
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
CP4204
10
9
8
7
6
4
5
3
2
1
CP102
MICON_DATA
28
27
26
25
24
23
22
21
20
19
2
1
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
CP6403
28
27
26
25
24
23
22
21
20
19
2
1
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
CP901
6
5
4
3
2
1
CP2201
6
5
4
3
2
1
CP303
5
4
3
2
1
CP4202
5
4
3
2
1
CP2402
5
4
3
2
1
CP4203
5
4
3
2
1
CP101
5
4
3
2
1
CP4201
5
4
3
2
1
CP301
11
10
9
8
7
6
5
4
3
2
1
11
10
9
8
7
6
5
4
3
2
1
4
3
2
1
CD9001A
4
3
2
1
CD2203
4
3
2
1
CP202
4
3
2
1
CP302
4
3
2
1
CD9001B
13
12
11
10
9
8
7
6
4
5
3
2
1
CP504
13
12
11
10
9
8
7
6
4
5
3
2
1
CP6704
13
12
11
10
9
8
7
6
4
5
3
2
1
CP002
13
12
11
10
9
8
7
6
4
5
3
2
1
CP001
CP7201
1
10
11
12
13
14
15
16
17
18
19
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
21
22
23
24
25
26
27
28
29
3
30
31
32
33
34
35
36
37
38
39
31
32
33
34
35
36
37
38
39
4
40
41
42
43
44
45
46
47
48
49
41
42
43
44
45
46
47
48
49
5
50
51
52
53
54
55
56
57
58
59
51
52
53
54
55
56
57
58
59
6
60
61
62
63
64
65
66
67
68
69
61
62
63
64
65
66
67
68
69
7
70
71
72
73
74
75
76
77
78
79
71
72
73
74
75
76
77
78
79
8
80
9
CP3001
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
33
34
35
36
37
38
39
4
40
41
42
43
44
45
46
47
48
49
5
50
51
52
53
54
55
56
57
58
59
6
60
61
62
63
64
65
66
67
68
7
8
9
TU001
1
10
11
12
13
14
15
16
3
4
5
2
6
7
8
9
2
1
CP505
FAN POWER
2
1
CP6705
2
1
CP6703
2
1
CP6702
2
1
CP6701
2
1
CP6700
Vout
B+
GND
OS2201
1
2
3
J4202
HEADPHONE JACK
1
2
3
4
5
6
7
CP501
1
2
M
2
1
M501
E
H2
H1
H3
NC
J4201
1
2
3
4
5
J4206
1
2
3
4
5
6
J4204
SCART1
1
10
11
12
13
14
15
16
17
18
19
2
20
21
3
4
5
6
7
8
9
H1
H2
E
J4203
AUDIO_OUT_JACK
1
2
3
H-40
H-39
GND
SP_AUDIO_OUT_L
SP_AUDIO_OUT_R
GND
DTUNER_Tx
DTUNER Rx
DTUNER_Tx
DTUNER Rx
Y_IN
S_SW
C_IN
GND
GND
+32V
+14V
-6V
P.CON+5V
AT+3.3V
AT+3.8V
AT+3.8V
GND
AT+5V
GND
GND
CP3201
+32V
+14V
-6V
P.CON+5V
AT+3.3V
AT+3.8V
AT+3.8V
GND
AT+5V
GND
GND
NC
NC
GND
D3
D4
D5
D6
D7
CE1
A10
OE
A11
A9
A8
A13
A14
WE/PGM
IREQ
VCC
VPP1
MIVAL
MICLK
A12
A7
A6
A5
A4
A3
A2
A1
A0
D0
D1
D2
IOCS16
GND
GND
CD1
MOD3
MOD4
MOD5
MOD6
MOD7
CE2
VTGSENS
IORD
IOWR
MISTRT
MDI0
MDI1
MDI2
MDI3
VCC
VPP2
MDI4
MDI5
MDI6
MDI7
MOCLK
RESET
WAIT
INP_ACK
REG
MOVAL
MOSTRT
MOD0
MOD1
MOD2
CD2
GND
DIGITAL PCB
PCBDH0
CEF196
CEF196
IFAGC
+32V
SCL
RF AGC
NC
+B2
ANT BB
BB
NC
SDA
IF+
IF-
TRIGOUT
TRIGIN
TMS
TCK
TDI
GND
GND
GND
GND
GND
GND
TX
RX
AT+5V
GND
TDO
NOTJRST
NOTTRST
GND
GND
GND
GND
AT+3.8V
SPDIF
ASPECT
AT+3.8V
AT+3.8V
AT+32V
AOUTR
AOUTL
AGND
AGND
MUTE
TVTX
TVRX
CVBSOUT
GND
V
GND
GND
POWER CTL
RESET
D+5V
D+5V
DGND
DGND
AGND
+9V
U/C S-VIDEO
Y/Y S-VIDEO
GND
V
GND
GND
D+5V
D+5V
DGND
DGND
AGND
SPDIF
ASPECT
U/C S-VIDEO
Y/Y S-VIDEO
+9V
AOUTR
AOUTL
AGND
AGND
MUTE
CVBSOUT
TVTX
TVRX
POWER CTL
RESET
AT+32V
DTV+4V
DTV+4V
DTV+4V
FAN+8.8V
M_GND
INTERCONNECTION DIAGRAM
CD3201
CP503
CEF207
PCB270
OPERATION PCB
KEY B
KEY C
KEY A
GND
CD801
KEY C
KEY B
KEY A
GND
CEF220
PCBDQ0
SAFETY 1 PCB
GND
Y_IN
S_SW
C_IN
GND
GND
TX
BUSY
VCC
RX
CLK
CNVSS
RESET
NC
GND
HV
HV
HV
HV
HV
HV
HV
HV
HV
HV
CMF088
PCBD20
AV PCB
RESET
CHIP_SELECT
4SI_SDA_IN
GND
4SI_SDA_OUT
4SI_SCL
AT+3.3V
EEPROM_SCL
GND
IIC_OFF
GND
EEPROM_SDA
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
VSH
VSH
VSH
VSH
VSH
GVCC
GND
VH63
VH55
VH47
VH39
VH31
VH23
VH15
VH55
VH47
VH39
VH31
VH23
VH15
VH7
VH0
VH0
LBR_S
REV
LS
SPIO
SPOI
SPOI
B1-
B1+
B2-
B2+
B3-
B3+
B1+
B2-
B2+
B3-
B3+
CK-
CK+
CK+
G1-
G1+
G2-
G2+
G3-
G3+
G1+
G2-
G2+
G3-
G3+
R1-
R1+
R2-
R2+
R3-
R3+
R1+
R2-
R2+
R3-
R3+
COM
VL0
VL7
VL7
VL15
VL23
VL31
VL39
VL47
VL55
VL63
VL23
VL31
VL39
VL47
VL55
VL63
VLS
VLS
VLS
COM
COM
COM
CS
GSP2
GSP1
GSP1
POWER
GCK
LBR_G
VGH
VGH
VGH
VSH
VGL
VGL
VGL
CS
CS
SP OUT R
SP OUT L
GND
GND
GND
SP_AUDIO_OUT_R
GND
SP_AUDIO_OUT_L
GND
LMP_ERR
+3.3V
OFL2
OFL1
INV_+B
INV_+B
INV_+B
INV_+B
INV_GND
INV_GND
INV_GND
INV_GND
BACKLIGHT PCB
CEF205
PCB350
GND
LMP_ERR
+3.3V
OFL2
OFL1
INV_+B
INV_+B
INV_+B
INV_+B
INV_GND
INV_GND
INV_GND
INV_GND
REMOCON IN
AT+5V
STANDBY LED
POWER ON LED
GND
GND
L_IN
R_IN
R_OUT
L_OUT
SP_GND
PCBDA0
REMOCON PCB
CEF208
CD301
CD303
L_IN
R_IN
R_OUT
L_OUT
SP_GND
REMOCON IN
AT+5V
STANDBY LED
POWER ON LED
GND
GND
CD4204_1
SCL
SIF_OUT
AFT
GND
TUNING
+B
SDA
AS(GND)
N.C
RF_AGC
AUDIO_OUT
VIDEO_OUT
CEF206
TUNER PCB
P.CON+5V
GND
AFT
VIDEO_OUT
SIF_OUT
AUDIO_OUT
GND
SDA
SCL
RF_AGC
+32V
GND
GND
PCB290
RF_AGC
SCL
SDA
GND
VIDEO_OUT
AFT
SIF_OUT
AUDIO_OUT
GND
+32V
P.CON+5V
GND
GND
LMP_ERR
OFL2
OFL1
GND
GND
GND
SDA1
SCL1
STEREO_RESET
DTUNER RESET L
LCDON
SCALER SW
STANDBY_H
DVB_ASPECT_IN
EPG_ON_H
CD801
FFC
7
4
3
2
1
5
6
8
9
10
11
12
13
14
15
16
17
7
4
3
2
1
5
6
8
9
10
11
12
13
14
15
16
17
DTUNER_RESET_L
SCL1
SDA1
STEREO_RESET
GND
GND
OFL1
OFL2
LMP_ERR
GND
SCALER_SW
LCDON
STANDBY-H
DVB_ASPECT_IN
ERPG_ON_H
DVB_FAN_ON-H
POWER_ON-H
POWER_FAIL
GND
SCART1_Y
GND
SW_R/Cr(V)
GND
SW_G/Y
GND
SW_B/Cb(U)
GND
EXT_MUTE-H
AUDIO_MUTE
AGC
AFT
REMOCON IN
STANDBY LED
SWITCH_VIDEO_C
GND
SWITCH_VIDEO_Y
GND
SWITCH_CVBS
GND
DTUNER_POWER
PANEL_ON-H
SCART1_SW
GND
DVB_SW-H
DVB_POWER_ON-H
DVB_FAN_ON-H
POWER_ON-H
POWER_FAIL
GND
SCART1_Y
GND
SW_R/Cr(V)
GND
SW_G/Y
GND
SW_B/Cb(U)
GND
EXT_MUTE-H
AUDIO_MUTE
AGC
AFT
REMOCON IN
STANDBY LED
SWITCH_VIDEO_C
GND
SWITCH_VIDEO_Y
GND
SWITCH_CVBS
GND
DTUNER_POWER
PANEL_ON-H
SCART1_SW
GND
DVB_SW-H
DVB_POWER_ON-H
CD802
FFC
7
4
3
2
1
5
6
8
9
10
11
27
26
12
13
14
15
16
17
18
19
20
21
22
23
25
24
30
29
28
7
4
3
2
1
5
6
8
9
10
11
27
26
12
13
14
15
16
17
18
19
20
21
22
23
25
24
30
29
28
CEF197
PCBDS0
SCALER PCB
