Sharp LL-T1620 (serv.man9) Service Manual ▷ View online
PC-UM10M
LL-T1520-H/B LL-T1620-H/B CIRCUIT DIAGRAM
6 – 6
A
B
C
D
87
6
5
4
3
1
2
3
4
5
6
7
8
D
C
B
A
6/6
(1) MAIN PWB
USB
TP
317
TP
19
6
CN
3
NU
1
2
3
4
5
6
7
8
VC
C
DATA
-
DATA
+
GN
D
VC
C
DATA
-
DATA
+
GN
D
TP
206
TP
19
7
FB
4
N
U
R2
2
NU
R3
4
NU
TP
318
BR
5
NU
1
4
2
3
TP
207
C84
NU
C97
NU
TP
198
BR
4
NU
1
4
2
3
D9
NU
2
3
1
R1
1
N
U
TP
319
TP
199
D1
6
NU
1
2
3
FB
8
N
U
C17
NU
FB
7
N
U
TP
313
C13
NU
R58
NU
TP
200
IC
8
NU
1
2
3
4
5
6
7
8
CTL2
FLG2
FLG1
CTL1
OUT1
GN
D
IN
OUT2
FB
9
N
U
D8
NU
2
3
1
C23
NU
D7
NU
2
3
1
BR
1
NU
1
8
2
7
3
6
4
5
C8
3
NU
D6
NU
2
3
1
TP
201
TP
314
C37
NU
D1
0
NU
2
3
1
C8
5
NU
FB
5
N
U
D5
NU
2
3
1
IC
1
2
NU
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
31
32
33
34
35
36
37
38
39
40
41
42
43
44
DGND
DGND
D40
D41
D50
D51
DGND
OS
L
AVDD1
X2
X1
AG
ND
1
AG
ND
2
AVDD2
DVDD
DVDD
DG
ND
PSSEL
PVSEL
DG
ND
XRST
UD
O
UD
1
D1
0
D1
1
DG
ND
D20
D21
D30
D31
DG
ND
XCS1
XCS2
XCS3
XCS4
XCS5
CLKSEL
DVDD
DVDD
XPP1
XPP2
XPP3
XPP4
XPP5
C82
NU
FB
6
N
U
TP
202
IC
1
5
N
U
1
2
3
IN
GND
OU
T
BR
3
N
U
1
8
2
7
3
6
4
5
BR
2
N
U
1
4
2
3
FB
11
NU
TP
203
TP
315
TP
204
C12
NU
FB
10
NU
C11
NU
TP
316
TP
205
CN
4
NU
1
2
3
4
VC
C
DATA
-
DATA
+
GN
D
C71
NU
C6
4
NU
C86
NU
X2
NU
1
2
USB5
V
21
PC-UM10M
LL-T1520-H/B LL-T1620-H/B CIRCUIT DIAGRAM
6 – 7
A
B
C
D
87
6
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
(1) MAIN PWB
1/6
ANALOG I/
F
INPU
T
2
INPU
T
1
H
INPU
T
2
(DVI)
INPU
T
1
(RGB)
L
A S
E
L
(3216
)
AB
IN
2
AG
IN
2
AR
IN
2
AGRE
EN-
5
AR
ED+
5
A
B
LUE-
5
A
B
LUE+
5
AGRE
EN+
5
AR
ED-
5
AV
SY
NC
5
AV
IN
2
AH
IN
2
A S
E
L
5
AH
SYNC
5
SD
A
3
SC
L
3
VP
EN
5
4,
5
TX
D
4
,5
VP
EN
5
5
LEDR1
5
LEDR
5
3.
3
V
DDC5V
DDC5V
5V
A2
.5
V
5V
5V
DDC5V
5V
3.
3
V
3.
3
V
R57
10K
D15
NU
2
3
1
R73
560
TP215
R51
NU
C59
0.
1
u
R79
10k
TP
9
TP
6
TP218
IC
7
SN
74LV4053
A
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2Y
1
2Y
0
3Y
1
3-
COM
3Y
0
IN
H
GND
GND
VC
C
2-
COM
1-
COM
1Y
1
1Y
0
A
B
C
CN2
CON 15P DISPIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
RI
N
GIN
BI
N
GND
DETECT
GND
GND
GND
NU
GND
NC
RGSA
GHS
G
VSI
RGSL
R10
3
3.
9
k
TP11
R10
5
22
TP175
R75
75
C27
1u (21
25)
C10
0.
1
u
R91
10k
TP216
TP156
C33
1u (21
25)
R38
NU
IC
5
BA
765
7F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
RIN1
HDE
T
GIN1
GND
BI
N
1
GND
RIN2
GND
GIN2
GND
BI
N
2
VI
N
1
VI
N
2
VOUT
BOUT
CTL
CSOU
T
CV_I
N
GO
UT
VC
C
ROUT
HOUT
HIN2
HIN1
TP224
TP10
R50
100
IC11F
74L
VC14
13
12
R92
100
k
TP157
R52
R43
33
IC11C
74L
VC14
5
6
R10
4
7.
5
k
R12
5
0
R31
C61
10u
R81
33
TP217
TP227
TP180
R41
75
IC11B
74L
VC14
3
4
IC11D
74L
VC14
9
8
TP177
TP160
R42
33
R72
4.
7
k
IC11E
74L
VC14
11
10
TP174
R67
100
D4
RB715F
1
2
3
TP219
R80
33
TP12
TP225
TP178
R93
200
R19
33
R37
NU
R30
100
C7
0.0
1u(
B)
R29
NU
TP176
TP181
R71
33
C29
0
.01u(
B
)
C9
0.0
1u(
B)
TP151
TP221
TP13
R56
75
C16
1u (21
25)
C34
10u
B(
3216
)
C36
10u
B(
3216
)
R77
10k
TP179
C35
0
.01u(
B
)
C16
4
0.
1
u
TP183
Q5
C24
12
2
1
3
R39
NU
TP154
TP211
R69
NU
TP222
C8
10u
B(
3216
)
C60
0.
1
u
R21
10K
TP226
R17
NU
R20
10K
C14
8
0.
1
u
C6
10u
B(
3216
)
TP182
R54
NU
TP185
R47
10K
R78
10k
TP228
Q2
DTC114
EUA
3
2
1
R76
10k
TP155
TP
4
TP184
D18
NU
2
3
1
C68
2.
2
u
C70
0.
1
u
R13
4
NU
IC11A
74L
VC14
1
2
IC18
74L
VC15
7A
11
12
13
14
1
2
3
4
5
6
7
8
9
10
15
16
3A
4Y
4B
4A
SE
LECT
1A
1B
1Y
2A
2B
2Y
GND
3
Y
3B
XS
T
VC
C
C63
39p
R33
NU
TP213
IC
6
BR
24C21
1
2
3
4
5
6
7
8
NC
NC
NC
GND
SD
A
SC
L
VC
LK
VC
C
TP223
TP
5
C15
22p
C21
0.
1
u
R10
6
22
C5
0.0
1u(
B)
C26
22p
Q3
C24
12
2
1
3
+
C3
47u
/16V
C62
39p
Q4
DTC114
EUA
3
2
1
TP214
R94
200
R10
9
22
D17
NU
2
3
1
C22
0
.01u(
B
)
C4
10u
B(
3216
)
D14
NU
2
3
1
C32
22p
TP220
TP173
C28
10u
B(
3216
)
RXD
180k
18
0k
[CTL
]
H : IN1
L : IN
2
XV
PE
N
LL-T152
0H/B
PC-UM10M
LL-T1520-H/B LL-T1620-H/B CIRCUIT DIAGRAM
6 – 8
A
B
C
D
87
6
5
4
3
1
2
3
4
5
6
7
8
D
C
B
A
2/6
(1) MAIN PWB
DIGITAL EDID
ANALOG EDID
DVI SE
L
DIGITA
L
VDD
ANALOG
DIGITA
L
L
L
H
H
DIGITA
L
DIGITAL I/F
RX2-
5
RX0-
5
RX0
+
5
RX2
+
5
RX1
+
5
RX1-
5
ARIN
1
AGIN
1
ABIN
1
AVIN
1
AHIN
1
DVI SE
L
5
RXC-
5
RXC+
5
5V
5V
3.3V
R45
10k
R168
NU
R7
NU
R46
22
TP229
TP187
R14
22
R12
10k
R64
10k
TP190
TP231
R3
10K
R65
10k
R4
10K
R66
10k
ZD2
NU
TP233
TP191
CN1
TM
D
S
C5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
C1
C2
C3
C4
A GND
TX2-
TX2+
GN
D
TX4-
TX4+
DCLK
DDATA
A V
TX1-
TX1+
GN
D
TX3-
TX3+
VDD
GN
D
HPDETECT
TX0-
TX0+
GN
D
TX5-
TX5+
GN
D
TXC+
TXC-
A R
A G
A B
A H
ZD1
NU
R44
10k
R26
100
R6
200
D1
RB715F
1
2
3
TP152
TP234
IC9
BR24C01
1
2
3
4
5
6
7
8
NC
NC
NC
GN
D
SDA
SCL
VCLK
VCC
FB
3
N
U
TP193
IC4C
74LVC14
5
6
TP232
R15
200
TP195
IC2
SN74LV4053A
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2Y1
2Y0
3Y1
3-COM
3Y0
INH
GN
D
GN
D
VCC
2-COM
1-COM
1Y1
1Y0
A
B
C
C30
0.1u
IC4B
74LVC14
3
4
TP230
IC4D
74LVC14
9
8
R35
NU
C31
0.1u
R36
NU
TP188
TP
8
C18
0.1u
R5
1k
C1
39p
IC4E
74LVC14
11
10
TP235
TP189
C2
39p
IC4F
74LVC14
13
12
R96
10k
FB
2
N
U
IC4A
74LVC14
1
2
Q1
DTC114EU
A
3
2
1
R16
10k
FB
1
N
U
R27
100
R1
4.7k
C44
0.1u
D3
NU
2
3
1
TP153
R162
100K
IC3
BR24C21
1
2
3
4
5
6
7
8
NC
NC
NC
GN
D
SDA
SCL
VCLK
VCC
D2
NU
2
3
1
IC1
TC7SH32F
U
1
2
3
4
5
INB
INA
GN
D
OU
T
VCC
R9
75
R8
75
R2
10K
R10
75
TP186
TP
7
21
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