Sharp LC-20S5E Service Manual ▷ View 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
CP6705
1747386-1
1
2
CP6703
1747386-1
1
2
CP6702
1747386-1
1
2
CP6701
1747386-1
1
2
CP6700
1747386-1
1
2
D6703
MA157A
1
2
3
D6704
MA157A
1
2
3
D6707
MA157A
MA157A
1
2
3
D6708
MA157A
1
2
3
D6710
MA157A
1
2
3
T6701
ETJV27ZJ18BC
ETJV27ZJ18BC
1
10
2
3
4
5
6
78
9
T6702
ETJV27ZJ18BC
ETJV27ZJ18BC
1
10
2
3
4
5
6
78
9
T6703
ETJV27ZJ18BC
ETJV27ZJ18BC
1
10
2
3
4
5
6
78
9
T6704
ETJV27ZJ18BC
ETJV27ZJ18BC
1
10
2
3
4
5
6
78
9
T6700
ETJV27ZJ18BC
ETJV27ZJ18BC
1
10
2
3
4
5
6
78
9
Q6706 uPA606T
PROTECT
1
2
3
456
Q6717
uPA606T
PROTECT
1
2
3
456
Q6713
uPA606T
uPA606T
PROTECT
1
2
3
456
JG6728
JG6734
JG6733
JG6705
JG6706
JG6716
JG6717
JG6718
JG6703
JG6704
JG6721
JG6720
JG6719
JG6713
JG6714
JG6715
JG6701
JG6702
JG6724
JG6723
JG6726
JG6027
JG6732
JG6712
JG6711
JG6707
JG6722
JG6709
JG6725
JG6737
JG6731
JG6729
JG6026
JG6727
JG6708
JG6710
JG6736
JG6744
JG6730
JG6735
F6702
SBL10CDL
F6700
SBL10CDL
F6701
SBL10CDL
F6703
SBL10CDL
F6704
SBL10CDL
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
:LES PIECES REPAREES PAR UN
ETANT
ATTENTION
D6700
DAN202K
1
2
3
D6711
DAN202K
1
2
3
D6709
DAN202K
1
2
3
D6705
DAN202K
1
2
3
D6702
DAN202K
1
2
3
D6701
DAN202K
1
2
3
L6702
100uH
L6701
100uH
L6703
100uH
L6704
100uH
L6700
100uH
Q6702
KTA1504S_Y_RTK
INV.SW
Q6705
KTA1504S_Y_RTK
INV.SW
Q6716
KTA1504S_Y_RTK
INV.SW
Q6712
KTA1504S_Y_RTK
INV.SW
Q6709
KTA1504S_Y_RTK
INV.SW
:SINCE THESE PARTS MARKED BY
CAUTION
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE
C6704
820
25V
ZLH
C6709
820
25V
ZLH
C6728
820
25V
ZLH
C6721
820
25V
ZLH
C6716
820
25V
ZLH
C6724_1
0.068
250V
PMS
C6717_1
0.068
250V
PMS
C6712_1
0.068
250V
PMS
C6705_1
0.068
250V
PMS
C6700_1
0.068
250V
PMS
C6751
0.1
B
C6708
0.1
B
C6729
1B
C6738
1B
C6739
1B
C6740
0.033
B
C6703
0.1
B
C6750
0.1
B
C6741
0.033
B
C6727
0.1
B
C6754
0.1
B
C6744
0.033
B
C6723
1B
C6722
1B
C6720
0.1
B
C6753
0.1
B
C6743
0.033
B
C6715
0.1
B
C6752
0.1
B
C6742
0.033
B
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
R6713
5.6K
R6703
39K
R6735
33K
R6743
56K
R6749
33K
1/4W
R6722
470
R6710
470
R6708
470
R6744
560
1/4W
R6702
5.6K
R6701
1.2K 1/4W
R6700
1.8K 1/4W
R6707
33K
R6705
1.2K 1/4W
R6704
1.8K 1/4W
R6706
5.6K
R6745
560
1/4W
R6712
5.6K
R6709
820K
R6711
820K
R6734
5.6K
R6732
470
R6733
820K
R6731
33K
R6730
5.6K
R6748
560
1/4W
R6729
1.2K 1/4W
R6728
1.8K 1/4W
R6727
5.6K
1/4W
R6726
5.6K 1/4W
R6723
820K
R6724
470
R6725
820K
R6721
33K
R6720
5.6K
R6747
560
1/4W
R6719
1.2K 1/4W
R6718
1.8K 1/4W
R6717
33K
R6716
5.6K
R6746
560
1/4W
R6715
1.2K 1/4W
R6714
1.8K 1/4W
Q6710
2SC5886A
INV.SW
Q6704
2SC5886A
INV.SW
Q6715
2SC5886A
INV.SW
Q6701
2SC5886A
INV.SW
Q6700
2SC5886A
INV.SW
Q6703
2SC5886A
INV.SW
Q6714
2SC5886A
INV.SW
Q6711
2SC5886A
INV.SW
Q6708
2SC5886A
INV.SW
Q6707
2SC5886A
INV.SW
INV_+B
INV_GND
OFL1
OFL2
AT+3.3V
LMP_ERR
GND
H-22
H-21
PCB240
CEF279
CEF279
(POWER PCB)
INVERTER SCHEMATIC DIAGRAM
NC
3.5
3.4
0
FROM/TO POWER2
0
7.8
3.6
0
8.5
3.6
0
7.8
0
0
0
3.6
0
7.8
3.6
0
8.5
3.6
3.5
3.6
3.9
0
3.5
3.5
3.4
0
3.5
3.5
3.9
3.6
3.5
0
3.5
3.9
3.5
3.6
0
3.5
3.5
3.4
0
3.5
3.5
3.9
3.6
3.5
0
3.5
3.4
0
3.5
3.5
3.6
3.9
0
3.5
5.6
3.4
0
3.5
NC
TO LCD PANEL
HV
HV
2.1
1300
1300
0
3.5
3.5
3.5
3.4
3.4
3.5
3.5
3.4
3.5
3.5
3.5
3.4
0
1300
1300
2.1
NC
NC
TO LCD PANEL
HV
HV
2.0
1300
1300
0
3.5
3.5
3.5
3.4
3.4
3.5
3.5
3.5
3.5
3.4
3.4
3.5
0
1300
1300
2.1
3.5
3.4
3.5
3.5
3.5
3.4
2.1
1300
1300
0
NC
NC
TO LCD PANEL
HV
HV
NC
NC
TO LCD PANEL
HV
HV
TO LCD PANEL
NC
NC
HV
HV
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
CD3810
J2200
DIN-417HA-01
1
2
3
4
5
6
7
E
H
E
H
E
H
J2201
RCA-359HA-00A-01
SIDE JACK
1
2
3
4
5
6
7
8
J2202
PJ-364H
HEADPHONE JACK
1
2
3
4
5
6
7
CP2200
00_6232_011_102_800+
1
10
11
2
3
4
5
6
7
8
9
CP2201
A2001WR2-6P
1
2
3
4
5
6
SW2202
EVQ21505R
VOL DOWN
SW2207
EVQ21505R
MENU
SW2203
EVQ21505R
VOL UP
SW2205
EVQ21505R
POWER SW
SW2204
EVQ21505R
CH UP
SW2201
EVQ21505R
INPUT SELECT
SW2206
EVQ21505R
CH DOWN
BT002
GR6M
BT001
GR6M
TM101
ETR0088-010150
Vout
B+
GND
OS2201
ROM-V338TAO
1
2
3
G
R
D2201
LTL-1BEFJ-002A
STANDBY/POWER
CD2200
CU272301
CU272301
1
2
3
4
5
6
7
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
:LES PIECES REPAREES PAR UN
ETANT
ATTENTION
:SINCE THESE PARTS MARKED BY
CAUTION
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE
B2202
HCB1608KF-181T20
B2201
HCB1608KF-181T20
B2200
HCB1608KF-181T20
B2204
MMZ1608R102CT
B2205
MMZ1608R102CT
B2203
MMZ1608R102CT
W821
C2207
100
6.3V
KA
C2211
0.0022
B
C2210
0.0022 B
C2205
270P
CH
C2209
0.01
B
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
R2212
75
R2205
390 1/4W
R2201
5.6K
R2202
2.2K
R2203
1.2K
R2206
820
R2204
390
R2209
680
R2208
390
R2207
47
CD4302
CU262302
MAIN PCB
H-24
H-23
OPERATION/REMOCON SWITCH SCHEMATIC DIAGRAM
NC
ACCESSORY
(CP4301)
FROM/TO AV JACK/SWITCH
(CP301)
FROM/TO AV JACK/SWITCH
(CP301)
R
Y
C
L
V
AV3_C_IN
AV3_AUDIO_R
GND
AV3_AUDIO_L
S_SW
AV3_Y_IN
GND
AV3_CVBS_IN
KEY C
KEY B
KEY A
SPEAKER_R
SPEAKER_L
SOUND GND
SOUND_R
SOUND_L
HEADPHONE_R
HEADPHONE_L
GND
GND
CEF281
CEF280
FROM/TO SOUND AMP
PCB270
PCBDA0
(REMOCON PCB)
REMOCON IN
AT+5V
STANDBY LED
POWER ON LED
(OPERATION PCB)
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
J2200
1
2
3
4
5
6
7
E
H
E
H
E
H
J2201
SICE JACK
1
2
3
4
5
6
7
8
LCD PANEL
V2301
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
4
3
2
1
CP302
9
8
7
6
4
5
3
2
1
CP102 @
15
14
13
12
11
10
9
8
7
6
4
5
3
2
1
CP4302
11
10
9
8
7
6
5
4
3
2
1
11
10
9
8
7
6
5
4
3
2
1
6
5
4
3
2
1
CP4301
6
5
4
3
2
1
CP2201
6
5
4
3
2
1
CP802
2
1
CP6705
2
1
CP6703
2
1
CP6702
2
1
CP6700
2
1
CP6701
14
13
12
11
10
9
8
7
6
4
5
3
2
1
CP503
14
13
12
11
10
9
8
7
6
4
5
3
2
1
CP3401
7
6
5
4
3
2
1
CP3400
7
6
5
4
3
2
1
7
6
5
4
3
2
1
7
6
5
4
3
2
1
CP301
Vout
B+
GND
OS220
1
2
3
J2202
HEADPHONE JACK
1
2
3
4
5
6
7
CP501
1
2
R
L
J4208
1
2
3
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
4
3
2
1
CD302
SPEAKER
SP301
SPEAKER
SP302
TU001
1
10
11
12
13
14
15
16
3
4
5
2
6
7
8
9
H1
H2
E
J4200
AUDIO OUT JACK’
1
2
3
CD7201
J4205
1
10
11
12
13
14
15
16
17
18
19
2
20
21
3
4
5
6
7
8
9
J4206
1
10
11
12
13
14
15
16
17
18
19
2
20
21
3
4
5
6
7
8
9
H-26
H-25
INTERCONNECTION DIAGRAM
CEF280
PCB270
OPERATION PCB
8 OHM 5W
CD2200
CD306
CP502
CD3402
CD3401
CD4302
CEF281
PCBDA0
REMOCON PCB
HV
HV
HV
HV
HV
HV
HV
HV
HV
HV
STANDBY LED
AT+5V
POWER ON LED
REMOCON IN
GND
GND
POWER ON LED
STANDBY LED
AT+5V
REMOCON IN
GND
GND
CEF279
PCB240
POWER PCB
CMF102
PCBF40
MAIN PCB
GND
GND
AT+3.3V
EEPROM_SDA
EEPROM_SCL
IIC_OFF
SCL
SIF_OUT
AFT
GND
TUNING
+B
SDA
AS(GND)
N.C
RF_AGC
AUDIO_OUT
VIDEO_OUT
(R)
(L)
SP OUT R
SP OUT L
GND
GND
CS
CS
CS
VGL
VGL
VSH
VGH
VGH
LBR_G
GCK
POWER
GSP1
GSP2
CS
COM
COM
VLS
VLS
VL63
VL55
VL47
VL39
VL31
VL23
VL15
VL7
VL0
COM
R3+
R3-
R2+
R2-
R1+
R1-
G3+
G3-
G2+
G2-
G1+
G1-
CK+
CK-
B3+
B3-
B2+
B2-
B1+
B1-
SPOI
SPIO
LS
REV
LBR_S
VH0
VH7
VH15
VH23
VH31
VH39
VH47
VH55
VH63
GND
GVCC
VSH
VSH
VSH
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
NC
NC
NC
GND
RS232_TXD
RS232_RXD
NC
NC
NC
DSUB_5V
DDCC
DDCD
VGAVS
VGAHS
AGND
VGA-B
VGA-G
VGA-R
NC
DGND
AGND
AGND
DGND
NC
AT+3.3V
AT+3.3V
AT+3.3V
AT+14V
P.CON-6V
GND
GND
UNREG+6V
GND
GND
SOUND +B
SOUND GND
AT+40V
UNREG+6V
OFL1
OFL2
LMP ERR
STANDBY-H
PANEL ON-H
POWER_FAIL
GND
SOUND+B
SOUND GND
AT+40V
AT+14V
AT+3.3V
AT+3.3V
AT+3.3V
GND
GND
GND
GND
UNREG+6V
UNREG+6V
P.CON-6V
STANDBY-H
LMP ERR
OFL2
OFL1
PANEL ON-H
POWER FAIL
GND
HEADPHONE_L
HEADPHONE_R
SOUND_L
SOUND_R
SOUND GND
SPEAKER_L
SPEAKER_R
SOUND_R
SOUND_L
HEADPHONE_L
HEADPHONE_R
SOUND_GND
SPEAKER_L
SPEAKER_R
CP2200
CP4201
KEY A
KEY B
KEY C
AV3_CVBS_IN
GND
AV3_Y_IN
S_SW
AV3_AUDIO_L
GND
AV3_AUDIO_R
AV3_C_IN
S_SW
GND
AV3_AUDIO_L
GND
AV3_AUDIO_R
KEY A
KEY B
KEY C
AV3_CVBS_IN
AV3_Y_IN
AV3_C_IN
WAVEFORMS
21PIN
1
10μs
8
2ms
0.5V
500mV
SCALER
2
2ms
9
20ns
500mV
500mV
3
2ms
10
50μs
500mV
2.0V
AV JACK/ SWITCH
4
2ms
11
10μs
2.0V
2.0V
5
2ms
12
10ns
2.0V
500mV
TUNER
RSDS
6
10μs
13
20ns
5.0V
500mV
SOUND AMP
7
2.0ms
500mV
The following waveforms were measured
at the point of the corresponding balloon
number in the schematic diagram.
at the point of the corresponding balloon
number in the schematic diagram.
NOTE:
I-1
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