Sharp LC-20SD4E Service Manual page 53

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A
B
8
7
SAFETY 1 PCB
PCBDQ0
CEF220
6
2
SCART1
J4204
CP501
5
4
3
SPEAKER
CD302
CP302
SP301
1
1
SP OUT R
2
2
GND
SPEAKER
3
3
GND
4
4
SP OUT L
SP302
2
BACKLIGHT PCB
PCB350
CEF205
1
A
B
H-39
C
1
AV PCB
PCBD20
CMF088
CD9001B
GND
4
4
GND
SP_AUDIO_OUT_R
3
3
SP_AUDIO_OUT_R
SP_AUDIO_OUT_L
2
2
SP_AUDIO_OUT_L
GND
1
1
GND
CD9001A
NOTE:
THIS INTERCONNECTION DIAGRAM IS THE LATEST AT
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
DIGITAL PCB
PCBDH0
CEF196
REMOCON PCB
PCBDA0
CEF208
J4202
HEADPHONE JACK
THE TIME
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D
E
F
G
INTERCONNECTION DIAGRAM
CD2203
CP202
CD801
KEY C
4
4
KEY C
KEY A
3
3
KEY A
OPERATION PCB
2
2
KEY B
KEY B
PCB270
CEF207
1
1
GND
GND
FFC
CD802
CP4204
CP802
SCART1_SW
30
30
1
1
SCART1_SW
PANEL_ON-H
29
29
2
2
PANEL_ON-H
DVB_FAN_ON-H
28
28
3
3
DVB_FAN_ON-H
DVB_POWER_ON-H
27
27
4
4
DVB_POWER_ON-H
DVB_SW-H
26
26
5
5
DVB_SW-H
POWER_ON-H
25
25
6
6
POWER_ON-H
POWER_FAIL
24
24
7
7
POWER_FAIL
GND
23
23
8
8
GND
SCART1_Y
22
22
9
9
SCART1_Y
GND
21
21
10
10
GND
SW_R/Cr(V)
20
20
11
11
SW_R/Cr(V)
GND
19
19
12
12
GND
SW_G/Y
18
18
13
13
SW_G/Y
GND
17
17
14
14
GND
SW_B/Cb(U)
16
16
15
15
SW_B/Cb(U)
GND
15
15
16
16
GND
EXT_MUTE-H
14
14
17
17
EXT_MUTE-H
AUDIO_MUTE
13
13
18
18
AUDIO_MUTE
AGC
12
12
19
19
AGC
AFT
11
11
20
20
AFT
REMOCON IN
10
10
21
21
REMOCON IN
STANDBY LED
9
9
22
22
STANDBY LED
SWITCH_VIDEO_C
8
8
23
23
SWITCH_VIDEO_C
GND
7
7
24
24
GND
SWITCH_VIDEO_Y
6
6
25
25
SWITCH_VIDEO_Y
GND
5
5
26
26
GND
SWITCH_CVBS
4
4
27
27
SWITCH_CVBS
GND
3
3
28
28
GND
DTUNER_POWER
2
2
29
29
DTUNER_POWER
GND
1
1
30
30
GND
FFC
CP4205
CP801
CD801
SCL1
17
17
1
1
SCL1
SDA1
16
16
2
2
SDA1
STEREO_RESET
15
15
3
3
STEREO_RESET
GND
14
14
4
4
GND
DTUNER RESET L
13
13
5
5
DTUNER_RESET_L
GND
12
12
6
6
GND
DTUNER Rx
11
11
7
7
DTUNER Rx
GND
10
10
8
8
GND
DTUNER_Tx
9
9
9
9
DTUNER_Tx
LCDON
8
8
10
10
LCDON
OFL1
7
7
11
11
OFL1
OFL2
6
6
12
12
OFL2
LMP_ERR
5
5
13
13
LMP_ERR
EPG_ON_H
4
4
14
14
ERPG_ON_H
DVB_ASPECT_IN
3
3
15
15
DVB_ASPECT_IN
STANDBY_H
2
2
16
16
STANDBY-H
SCALER SW
1
1
17
17
SCALER_SW
ATTENTION
:LES PIECES REPAREES PAR UN
ARE
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F
G
H
CP103
MICON_DATA
CP102
AT+3.3V
7
8
GND
10
6
RESET
RESET
9
CHIP_SELECT
5
CNVSS
8
4SI_SCL
4
RX
7
4SI_SDA_IN
3
CLK
6
4SI_SDA_OUT
2
VCC
5
GND
1
NC
4
CP101
BUSY
3
1
GND
TX
2
2
EEPROM_SCL
GND
1
3
EEPROM_SDA
4
IIC_OFF
7
5
GND
CP7201
GND
1
VH63
2
VH55
3
VH47
4
VH39
5
VH31
6
VH23
7
VH15
8
VH7
9
VH0
10
GND
11
VSH
12
VSH
13
6
VSH
14
GND
15
LBR_S
16
REV
17
LS
18
SPIO
19
SPOI
20
GND
21
GND
22
GND
23
B1-
24
B1+
25
B2-
26
B2+
27
B3-
28
B3+
29
GND
30
CK-
31
CK+
32
5
GND
33
GND
34
GND
35
G1-
36
G1+
37
G2-
38
G2+
39
G3-
40
G3+
41
GND
42
GND
43
GND
44
R1-
45
R1+
46
R2-
47
R2+
48
R3-
49
R3+
50
4
GND
51
VLS
52
VLS
53
VL0
54
VL7
55
VL15
56
VL23
57
VL31
58
VL39
59
VL47
60
VL55
61
VL63
62
COM
63
COM
64
COM
65
CS
66
CS
67
CS
68
GSP2
69
3
GSP1
70
POWER
71
GCK
72
LBR_G
73
VGH
74
VGH
75
VSH
76
GVCC
77
VGL
78
VGL
79
GND
80
SCALER PCB
PCBDS0
CEF197
2
1
ETANT
H
H-40

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