Sharp LC-20SD5E Service Manual page 59

A B
OS220
8
1 Vout
CP2201 CP4301
CD4302
2 GND
POWER ON LED 1 1
3 B+
STANDBY LED 2 2
AT+5V 3 3
GND 4 4
REMOCON IN 5 5
REMOCON PCB
PCBDA0 GND 6 6
CEF281
7
CP501
CP3400
CP502_1 CD3401
GND 1 1
GND 2 2
DTV ON-H 3 3
POWER FAIL 4 4
CP6700
PANEL ON-H 5 5
1 HV
STANDBY-H 6 6
2 HV
LMP ERR 7 7
OFL2 8 8
CP6701
OFL1 9 9
1 HV
6
2 HV
CP503_1 CP3401
CD3402
DTV P.CON3.3V 1 1
CP6702
DTV P.CON3.3V 2 2
1 HV
DTV P.CON3.3V 3 3
2 HV
GND 4 4
CP6703
GND 5 5
1 HV SOUND +B 6 6
2 HV SOUND +B 7 7
SOUND GND 8 8
CP6705
SOUND GND 9 9
1 HV AT+40V 10 10
2 HV AT+14V 11 11
5
AT+14V 12 12
AT+3.3V 13 13
AT+3.3V 14 14
AT+3.3V 15 15
AT+3.3V 16 16
GND 17 17
GND 18 18
GND 19 19
GND 20 20
UNREG+6V 21 21
POWER PCB UNREG+6V 22 22
PCB240
P.CON-6V 23 23
CEF279
4
HEADPHONE JACK
J2202
CP2200
CP4201
CD306
1
AV3_AUDIO_R 11 1
7
GND 10 2
6
AV3_AUDIO_L 9 3
3 AV3_C_IN 8 4
S_SW 7 5
2
AV3_Y_IN 6 6
4
GND 5 7
5
3
AV3_CVBS_IN 4 8
KEY C 3 9
KEY B 2 10
SICE JACK
KEY A 1 11
J2201
CP301
CD2200
1
1
HEADPHONE_L
2
2
HEADPHONE_R
3
3
SOUND_L
4
4
SOUND_R
5
5
SOUND GND
6
6
SPEAKER_L
2
7
J2200 7
SPEAKER_R
FAN MOTOR FAN CONNECTOR
M3400
CP3402
M
1 1
2 2
OPERATION PCB
PCB270
CEF280
1
A B
H-37
C
INTERCONNECTION DIAGRAM
POWER ON LED
STANDBY LED
AT+5V
PC AUDIO IN
GND J4208
REMOCON IN
GND
GND
GND
DTV ON-H
POWER FAIL
PANEL ON-H
STANDBY-H
LMP ERR
TU2800
OFL2
21
OFL1
NC 1
2
DTV P.CON3.3V
3
DTV P.CON3.3V
DTV P.CON3.3V
4
J4205
GND
NC 5
GND
SOUND +B
NC 6
SOUND +B
SOUND GND
7
SOUND GND
8
AT+40V
AT+14V
AT+14V
AT+3.3V 9
AT+3.3V
10
AT+3.3V
AT+3.3V
NC 11
GND
GND 12
GND
NC 13
GND
UNREG+6V
14
UNREG+6V
P.CON-6V 15
NC 16
NC 17
18
19
AV3_AUDIO_R
GND
20
AV3_AUDIO_L
23
AV3_C_IN
S_SW J4206
AV3_Y_IN
GND
AV3_CVBS_IN
KEY C
KEY B
KEY A
HEADPHONE_L
HEADPHONE_R
SOUND_L
SOUND_R
SOUND_GND
SPEAKER_L
SPEAKER_R
AUDIO OUT JACK
J4200
E
FAN+12V
1
M_GND
3 2
H2 H1
NOTE: THIS INTERCONNECTION DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
CP2402
1 GND
2 RX
3 TX
4 AT+5V
5
22
B1
B2
CP2401
B3(Vcc)
1 DCU_TRIGGEROUT
2 DCU_TRIGGERIN
AGC
3 TMS
NC
4 TCK
5 TDI
NC
6 TD0
7 DCU_NOTRESET
GND
8 TRST
AS
9 GND
10 GND
SCL
SDA
IF
GND
MAIN PCB
NC
PCBF40
CMG114
2ndSIF
CVBS
AUDIO
NC
IF AGC
DIF1
DIF2
24
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
CAUTION
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
CP7201
GND 1
CP802
VH63 2
6 AT+3.3V
VH55 3
NC VH47
4
5 GND
NC VH39 5
4 IIC_OFF
VH31 6
NC VH23
3 EEPROM_SDA 7
NC VH15 8
2 EEPROM_SCL
VH7 9
VH0 10
1 GND
GND 11
VSH 12
VSH 13
VSH 14
GND 15
D-SUB LBR_S 16
REV 17
CP4302
LS
18
SPIO 19
1 VGA-R
SPOI 20
2 VGA-G
GND 21
3 VGA-B GND 22
GND 23
4 NC
B1- 24
B1+ 25
5 DGND
B2-
26
6 AGND
B2+ 27
B3- 28
7 AGND
B3+
29
8 AGND
GND 30
CK- 31
9 DSUB_5V
CD7201
CK+ 32
10 DGND
GND 33
GND 34
11 NC
GND 35
12 DDCD
G1-
36
G1+
37
13 VGAHS
G2- 38
14 VGAVS
G2+ 39
G3-
15 DDCC 40
G3+ 41
GND 42
GND 43
CP101
GND 44
1 GND
R1- 45
R1+ 46
2 SUB TX
R2-
47
3 BUSY/MODE
R2+
48
R3- 49
4 VCC
R3+ 50
5 SUB RX
GND 51
VLS 52
6 RESET
VLS 53
7 GND
VL0 54
VL7
55
NC VL15 56
NC VL23 57
RS-232C JACK
VL31
58
CP102
NC VL39 59
NC VL47 60
1
NC VL55 61
VL63
2 RS232_RXD 62
COM 63
3 RS232_TXD
COM 64
COM 65
4 NC
CS
66
5 GND
CS 67
CS 68
6
NC
GSP2
69
7 NC
GSP1 70
POWER 71
8 NC
GCK 72
9 NC
LBR_G
73
VGH 74
VGH 75
VSH 76
GVCC 77
VGL 78
VGL 79
GND 80
CD302
CP302
1
SP OUT R 1
2
GND 2
3
GND 3
4
SP OUT L 4
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F G
H
8
7
6
LCD PANEL
V2301
5
4
3
SP301
SPEAKER
2
(L)
8 OHM 5W
SP302
SPEAKER
1
H
H-38