Sharp LL-T1820 (serv.man9) Service Manual ▷ View online
PC-UM10M
LL-T1820-H/B WAVE FORM
5 – 3
WAVE FORM8 : DCLK (10pin of the IC701)
Frequency:
60MHz
Display screen: Arbitrary
1V/DIV, 5ns/DIV
WAVE FORM9 : DEN (9pin of the IC701)
Frequency:
80kHz
Display screen: Arbitrary
1V/DIV, 5
µ
s/DIV
WAVE FORM10 : RGBOUT (LD300, LD301, LD302)
Display screen:16 monochromatic gradation patterns
0.5V/DIV, 5
µ
s/DIV
GND
GND
GND
PC-UM10M
LL-T1820-H/B BLOCK DIAGRAM
6 – 1
DV5A
Power
Unit
Scaling Chip
iLS-L001
IC501
LVDS
Transmitter
IC701
CTL
EEPROM
IC604
AD
C
AD9888-170
IC401
DVI-I
CN200
TMDS
THC63DV151
IC203
MPU
IC601
RGB1
RXD
TXD
SDA
SCL
SDA
SCL
HS1
SDA/SCL
SDA/SCL
Invertor Unit
12V
BRT_VR
IHS/IVS
ASIC
AUTO & AGC
IC403
HIN1
DVI-I
CN100
TMDS
THC63DV151
IC101
HIN2
VIN2
VIN1
Comparator
IC300
Buffer
IC301
VS1
SDA
SCL
Switch
IC100
HS2
VS2
Selector
IC102
SDA
SCL
Reset
IC602
X600
DA
C
IC603
LCDV
SW PWB
Power/Input/Menu/Selct/
Bë/Bí/LED
KEY
Regulator
PQ1CZ21H2Z
IC800
2.5V
5V
3.3V
V33
PV5
POWER_CTL
Logic
IC504
VS
CN700
CN600
CN801
CN800
SW100
IACT
IHS
IVS
OSC500
60MHz
D-DDC
IC104
A-DDC
IC103
Selector
IC200
A-DDC
IC201
D-DDC
IC202
PD
O
1
SDET1
PD1
IHS/IVS
ID[0..47]
PD
O
2
SDET2
PD2
ID[0..47]
IACT
ID[0..47]
IHS/IVS
ICK
ICK
COMSYN
ICK
Clock
Generator
IC502
DEN
DCLK
OD[0..47]
LCD Panel
Lamp
Lamp
DV25
AV5
DV5
PV33/AV33/DV33/
OV33/AD33
LV33
3.3V
Regulator LM317
IC600
3.3V
12V
BL_EN
RX
USB PWB
IC3
uPD72012
X1
4MHz
CN1
USB-CN
4PIN
CN2
USB-CN
8PIN
IC2
uPD16857
IC1
X62FP3302
DATA+
DATA-
DATA+[1,2]
DATA-[1,2]
OUT[1,2]
CTL[1,2]
FLG[1,2]
3.3V
5V
5V
HREF1
HREF2
RX
RGB2
Regulator LM317
IC402
Regulator LM317
IC105/205/400
MAIN PWB
CH
APTER
6. BLOCK DIA
G
R
A
M
PC-UM10M
LL-T1820-H/B CIRCUIT DIAGRAM
7 – 1
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
CH
APT
E
R
7. CIR
CUIT
DIAGRAM
PC-UM10M
LL-T1820-H/B CIRCUIT DIAGRAM
7 – 2
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
+
Q102
DTC143EE
D103
UDZS5.6B
R137
C112
R123
RA105
33J x4
C111
R101
R116
LD201
RA111
33J x4
R138
C102
FB100
BLM11P60
0S
Q101
IMH4A
IC104
BR24C01A
R100
C114
C118
C116
IC105
LM31
7EMP
C123
R135
C100
D102
RB715F
C121
RA102
33J x4
C225
RA101
33J x4
C110
LD200
RA108
33J x4
C127
R117
R111
R107
SW100
SSSS916900
FB101
BLM11P600S
RA107
33J x4
R108
CN100
SD-74320-1004
R105
L100
NLC322522T-220K
IC102
SN74LV4053A
R139
C226
R134
R103
R102
C107
FB201
BLM11P600S
LD101
R122
R106
C120
R109
IC103
BR24C01A
IC100
FST3257
RA104
33J x4
R136
R112
RA110
33J x4
R104
C126
C105
R119
D100
UDZS5.6B
R120
C106
LD100
RA103
33J x4
R110
C124
RA109
33J x4
C113
L200
NLC322522T-220K
IC101
THC63DV151
RA100
33J x4
C104
Q100
DTC143EE
R118
C117
TP100
C115
C119
C108
R121
C122
EMPTY(22uF/16V(WX))
RA106
33J x4
C109
C103
R140
A0
A1
A2
GND
SDA
SCL
WP
VCC
ADJ
OUTPUT
INPUT
RX2-
RX2+
RX4-
RX4+
SCL
SDA
RX1-
RX1+
RX3-
RX3+
HP
RX0-
RX0+
RX5-
RX5+
RXC+
RXC-
GND
GND
GND
GND
GND
VS
5V
ARED
AGREEN
ABLUE
AHSY
ANGND
2Y1
2Y0
3Y1
3-COM
3Y0
INH
GND
GND
VCC
2-COM
1-COM
1Y1
1Y0
A
B
C
A0
A1
A2
GND
SDA
SCL
WP
VCC
S
1B1
1B2
1A
2B1
2B2
2A
GND
3A
3B2
3B1
4A
4B2
4B1
OE
VCC
OVCC
OGND
QO0
QO1
QO2
QO3
QO4
QO5
QO6
QO7
QO3
QO4
QO5
QO6
QO7
QO8
QO9
QO9
QO10
QO11
QO12
QO13
QO14
QO15
QO11
QO12
QO13
QO14
QO15
VCC
GND
QO16
QO17
QO18
QO19
QO20
QO21
QO22
QO17
QO18
QO19
QO20
QO21
QO22
OGND
QO23
OVCC
AGND
RX2+
RX2-
AVCC
AGND
AVCC
RX1+
RX1-
AGND
AVCC
AGND
RX0+
RX0-
AGND
RXC+
RXC-
AVCC
EXT_RES
PVCC
PGND
RESERVED
OCK_INV
S_D
PD
ST
PIXS/M_S
GND
VCC
STAG_OUT/SYNC
SCDT
PDO
QE0
QE1
QE2
QE3
QE4
QE5
QE6
QE7
OVCC
OGND
QE8
QE9
QE10
QE11
QE12
QE13
QE14
QE15
OGND
OVCC
QE16
QE17
QE18
QE19
QE20
QE21
QE22
QE23
VCC
GND
CTL1
CTL2
CTL3
OVCC
ODCK
OGND
DE
VSYNC
HSYNC
INPUT 1
DVI1
DV5
OV33_1
AV33_1
DV5
PV33_1
DV33_1
AV33_2
DV5
DV5A
PV33_2
PV33_1
AV33_1
DV5
DV5
23
1
0J
0.1uF
510J
100pF
4.7kJ
33J
47kJ
0.1uF
1
2
3
4
5
6
1
2
3
45
6
7
8
75J
0.1uF
0.1uF
0.1uF
1
2
3
10uF
360F
0.1uF
2
3
1
0.1uF
10uF
0.1uF
10uF
33J
47kJ
47kJ
1
2
3
EMPTY
1
2
4
5
6
7
9
10
12
13
16
17
18
20
21
23
24
3
15
19
22
11
8
14
C1
C2
C3
C4
C5
75J
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
47kJ
10uF
220F
10kJ
47kJ
0.1uF
47kJ
47kJ
0.1uF
100J
1
2
3
45
6
7
8
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
0J
47kJ
75J
10uF
0.1uF
33J
47kJ
0.1uF
100J
10uF
100pF
57
58
58
49
50
51
52
53
54
55
56
52
53
54
55
56
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
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
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
0.1uF
23
1
33J
0.1uF
100pF
100pF
0.1uF
47kJ
0.1uF
0.1uF
4.7kJ
MD1
BLUE1
IHS
TMDS_PDO1
TXD
IVS
HS1
TMDS_PD1
RXD
VS1
ICK
TMDS_SD
ET1
RED1
ID[0..47]
INP1B
GREEN1
IACT
INP1A
ID1
ID34
ID21
ID3
ID14
ID46
ID15
ID37
ID7
ID13
ID31
ID10
ID32
ID29
ID36
ID20
ID5
ID8
ID43
ID11
ID47
ID2
ID44
ID4
ID38
ID0
ID30
ID22
ID42
ID27
ID16
ID39
ID18
ID23
ID25
ID19
ID41
ID17
ID40
ID45
ID33
ID28
ID35
ID12
ID26
ID9
ID24
ID6
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