Read Sharp LL-T2020 (serv.man10) Service Manual online
LL-T2020
CIRCUIT DIAGRAM
7 – 5
ID31
ID16
ID12
ID3
ID0
ID45
ID40
ID18
ID14
ID14
ID3
ID1
ID29
ID11
ID5
ID41
ID10
ID47
ID30
ID9
ID7
ID2
ID22
ID19
ID6
ID25
ID17
ID29
ID10
ID23
ID13
ID24
ID22
ID5
ID45
ID42
ID33
ID31
ID12
ID1
ID38
ID28
ID21
ID32
ID28
ID38
ID47
ID8
ID20
ID18
ID44
ID42
ID27
ID7
ID36
ID36
ID13
ID24
ID4
ID19
ID40
ID4
ID17
ID0
ID39
ID32
ID21
ID26
ID34
ID25
ID30
ID15
ID15
ID16
ID35
ID34
ID23
ID46
ID9
ID20
ID26
ID39
ID27
ID2
ID6
ID11
ID37
ID37
ID8
ID35
ID44
ID33
ID46
ID43
ID43
ID41
IHS
ID[0..47]
IVS
ICK1
COMSYN
ICK1
DV5A
PV5
AD33
LV33
C442
0.1uF
R404
10J
C429
0.1uF
RA405
33J x4
C437
0.1uF
RA407
33J x4
C436
0.1uF
R411
220F
C401
EMPTY
RA409
33J x4
C450
3900pF(B)
C407
10uF
R409
360F
FB403
BLM18PG600SN1
C412
EMPTY
LD416
R412
360F
C414
0.1uF
C433
10uF
RA406
33J x4
C440
0.1uF
R408
220F
C420
0.1uF
FB402
BLM18PG600SN1
IC403
LM31
7EMP
1
2
3
ADJ
OUTPUT
INPUT
RA411
33J x4
RA403
33J x4
C446
0.1uF
C416
0.1uF(B)
R401
ENPTY
C434
10uF
LD408
IC4
0
2
AD988
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
VD
REF BYPASS
GND
GND
RAIN0
VD
VD
RAIN1
RMIDSCV
VD
GND
SOGIN0
GAIN0
VD
GND
SOGIN1
GAIN1
VD
GND
BAIN0
VD
GND
BAIN1
BMIDSCV
VD
VD
GND
GND
CKINV
CLAMP
SDA
SCL
A0
VD
GND
GND
VD
VD
VD
GND
GND
VSYNC1
HSYNC1
VSYNC0
HSYNC0
GND
PVD
PVD
GND
FILT
GND
PVD
COAST
CKEXT
GND
VDD
DBB7
DBB6
DBB5
DBB4
DBB3
DBB2
DBB1
DBB0
GND
GND
GND
GND
VDD
DBA7
DBA6
DBA5
DBA4
DBA3
DBA2
DBA1
DBA0
GND
VDD
DGB7
DGB6
DGB5
DGB4
DGB3
DGB2
DGB1
DGB0
GND
VDD
DGA7
DGA6
DGA5
DGA4
DGA3
DGA2
DGA1
DGA0
VDD
GND
GND
GND
VDD
DRB7
DRB6
DRB5
DRB4
DRB3
DRB2
DRB1
DRB0
DRB6
DRB5
DRB4
DRB3
DRB2
DRB1
DRB0
GND
VDD
DRA7
DRA6
DRA5
DRA4
DRA3
DRA2
DRA1
DRA0
DRA6
DRA5
DRA4
DRA3
DRA2
DRA1
DRA0
GND
VDD
DATACK
DATACKB
HSOUT
SOGOUT
VSOUT
GND
LD412
C425
0.1uF
C408
0.1uF
LD405
R410
33J
+
C405
EMPTY(22uF/16V(WT)
)
C438
0.1uF
C443
0.1uF
C423
0.1uF
FB404
BLM18PG600SN1
C419
0.1uF
LD409
+
C432
EMPTY(22uF/16V(WT)
)
R413
10kJ
C427
0.1uF
LD410
C454
0.1uF
LD415
LD419
C451
0.1uF
LD421
C447
1000pF
+
C411
10SVP33M
LD402
C431
10uF
R403
EMPTY
LD411
C403
0.1uF
C418
0.1uF
LD403
C452
0.1uF
R416
0J
IC40
4
S1L50753F26P
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1VDD
RD23
RD22
RD21
RD20
GD17
GD16
GD15
GD14
GD13
GD12
GD11
GD10
VSS
ADCK
1VDD
HSYNC
VSYNC
CSYNC1
CSYNC2
GD27
GD26
GD25
GD24
VSS
1VDD
GD23
GD22
GD21
GD20
VSS
BD17
BD16
BD15
BD14
BD13
BD12
BD11
BD10
VSS
1VDD
BD27
BD26
BD25
BD24
BD23
BD22
BD21
BD20
VSS
1VDD
REG0
REG1
REG2
REG3
REG4
REG5
REG6
REG7
VSS
DOUT
1VDD
RESET
DIN
CS
SCK
TST_EN1
VSS
HSYNCO
VSYNCO
COAST
HPOLOUT
VPOLOUT
REG8
VSS
1VDD
REG9
REG9
REG10
REG11
REG12
REG11
REG12
VSS
REG13
REG14
REG15
REG14
REG15
1VDD
VSS
TST_EN
RD17
RD16
RD15
RD14
RD13
RD12
RD11
RD10
RD27
RD26
RD25
RD24
RD16
RD15
RD14
RD13
RD12
RD11
RD10
RD27
RD26
RD25
RD24
VSS
LD417
C435
0.1uF
C430
0.1uF
C426
0.1uF
RA412
33J x4
C428
0.1uF
C424
0.1uF
C422
0.1uF
C404
EMPTY
C409
0.1uF
RA408
33J x4
LD404
C448
0.039uF(B)
C410
10uF
RA401
33J x4
LD406
C406
10uF
LD414
C444
0.1uF
C402
33pF
C453
0.1uF
C439
0.1uF
LD422
C441
0.1uF
RA402
33J x4
FB401
BLM18PG600SN1
C445
0.1uF
C415
0.1uF
R407
33J
C413
EMPTY
R402
0J
LD418
C421
0.1uF
R414
330J
R406
33J
RA410
33J x4
R405
33J
R415
3.3kF
RA404
33J x4
LD413
C449
0.1uF
LD420
LD401
LD407
C417
0.1uF
IC401
LM31
7EMP
1
2
3
ADJ
OUTPUT
INPUT
RIN1
RIN2
BIN1
GIN1
BIN2
SOG2
GIN2
SOG1
VIN2
HIN2
HIN1
VIN1
ID[0..47]
IHS
COMSYN
SDA
SCL
IVS
ASIC_CS
SI
RESET
SCLK
SO
VS_IN
HS_IN
VPOL
HPOL
ICK
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
5/9
ADC
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