Read Sharp LL-T1815 (serv.man14) Service Manual online
PC-UM10M
LL-T1815-H/B CIRCUIT DIAGRAM
7 – 5
KEY_-
KEY_+
MENU
SELEC
T
INPUT
PLCC44
5V
L
AUTO
SELEC
T
(Reset)
DIGITAL
EDID
ILLEGAL
ANALOG_SEL
H
ANALOG
EDID
DIGITAL_SEL
L
H
EA/VPP
L : External ROM
H : Internal ROM
[SEL]
H:INPUT1 ( DVI Analog )
L:INPUT2 ( RGB )
RXD
MRES
E
T
HDATAF0
HDATAF1
HDATAF2
HDATAF3
TXD
TXD
SCL
RXD
A7
EA/VPP
D4
A4
D5
D4
A3
D6
D2
D[0..7]
D6
D7
D7
D3
D4
D7
D3
D1
D3
A5
D5
D6
A5
A6
A4
A1
A7
A[0..7]
A2
D0
A0
D2
A1
A16
A3
A0
D0
A6
A2
D0
D5
D1
D1
D2
A[8..15]
WRL
WRL
/RESET
M/R
A17
LED_RED
LED_GRN
MAINPW_IN
ADO_VR
STANBY
MUT
E
GPIO5
TXD
RXD
GPIO3
GPIO4
MUT
E
GPIO5
GPIO1
GPIO6
LED_GRN
GPIO0
GPIO7
GPIO2
LED_RED
GPIO0
GPIO4
STANBY
GPIO5
ADO_VR
M/R
GS
/RESET
SDA
SDA
SCL
A15
A8
A8
A15
A11
A14
A14
A15
A12
A9
A9
A10
A10
A11
A13
A12
A13
EA/VPP
GPIO0
GS
RDN
MAINPW_IN
HCLK
3
/IRQ
3
BRTVR
7
HREF1
1
HREF2
1
RXD
1
TXD
1
DIGITAL_SEL
2
SEL
1
ANALOG_SEL
2
XMAIN_O
U
T
7
BKLT_EN
7
LCD_CTL
7
XLVDS_CTL
6
ADO_CTL
7
XGRE
S
E
T
3
S_PORT
1
F_SW
1
DV33
MVCC
DGND
DGND
MVCC
DGND
DGND
DGND
MVCC
DGND
DGND
MVCC
DGND
MVCC
MVCC
DGND
DVCC
DGND
DGND
MVCC
AVCC
AGND
AVCC
AGND
AVCC
AGND
DGND
MVCC
DGND
MVCC
DGND
MVCC
MVCC
DVCC
DGND
DGND
MVCC
DGND
DGND
DGND
AVCC
AGND
DGND
AU12V
MVCC
DGND
DGND
DVCC
MVCC
MVCC
DGND
DGND
MVCC
MVCC
DGND
DGND
MVCC
DGND
DGND
DGND
DGND
MVCC
DGND
DGND
V12_I
MVCC
DGND
DGND
DGND
MVCC
DGND
DGND
MVCC
R254
4.7kJ
LD45
R184
R153
0J
R260
47kJ
IC13
BR24C16FV
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCLK
WP
VCC
R182
R204
C136
10uF/3216
C144
EMPTY
C142
10uF/3216
R146
EMPTY
R250
47kJ
LD47
LD33
R183
R165
0J
C147
R259
47kJ
R177
CN4
EMPTY(B4B-PH-SM3-TB
)
1
2
3
4
RN30
33J*4
1
2
3
45
6
7
8
R154
0J
R219
100J x6
R249
EMPTY
R277
1kJ
R273
R158
R169
C28
0.1uF
R203
LD30
R270
3.0kF
Q8
M
M
B
T3904LT1
1
2
3
R255
1kJ
R138
1kJ
R167
R157
1kJ
C151
R175
0J
Q17
DTC143EE
23
1
R145
EMPTY
C141
0.1uF
LD49
LD39
FB15
BLM18AG121S
N
1
LD29
IC14
PCA9557
8
3
4
15
5
16
6
7
9
10
11
12
13
14
1
2
GND
A0
A1
RESET
A2
VCC
IO0
IO1
IO2
IO3
IO4
IO5
IO6
IO7
SCL
SDA
C143
0.1uF
+
C193
2.2uF/35V(WT)
R247
0J
R180
10kJ x 6
C148
IC21B
TC74VHC74FT
12
11
9
8
14
10
7
13
D
CLK
Q
Q
VCC
PRE
GND
CLR
R202
R217
LD44
R179
R200
4.7kJ x5
IC21A
TC74VHC74FT
2
3
5
6
14
4
7
1
D
CLK
Q
Q
VCC
PRE
GND
CLR
R269
1.0kF
LD68
R156
1kJ
LD51
LD67
LD36
R199
0J
C135
10uF/3216
R257
2.2kF
R159
EMPTY x 6
R253
1kJ
R256
3.9kJ
R170
EMPTY
R141
10kJ
FB9
BLM18AG121S
N
1
LD31
FB8
BLM18AG121S
N
1
R215
C138
0.1uF
R218
FB11
BLM18AG121S
N
1
R275
IC17
PST598I
1
2
34
5
M/R
SUB
G
N
D
VOUT
VCC
Q6
DTC143EE
23
1
C149
D25
UDZS5.6B
R181
R149
1kJ
FB10
BLM18AG121S
N
1
LD66
IC18
SN74ABT573ANS
2
3
4
5
6
7
8
9
11
1
19
18
17
16
15
14
13
12
20
10
D1
D2
D3
D4
D5
D6
D7
D8
C
OC
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
VCC
GND
C137
0.1uF
Q18
DTC143EE
2
3
1
C194
0.1uF
R144
EMPTY
R142
10kJ
FB13
BLM18AG121S
N
1
R151
1kJ
C139
0.1uF
R171
0J
C152
EMPTY X6
LD37
FB12
BLM18AG121S
N
1
R160
R178
1kJ x7
IC29
TC7SH08FU
1
2
4
5
3
LD35
R252
1kJ
R147
EMPTY
LD27
FB14
BLM18AG121S
N
1
LD69
R174
D15
UDZS5.6B
R268
0J
R205
4.7kJ
R216
LD46
R267
0J
R163
R176
Q7 MMBT
3904LT1
1
2
3
R251
47kJ
R276
R198
100J
R150
1kJ
FB16
BLM18AG121S
N
1
R168
33J
R172
LD34
X2
24MHz
IC15
M62334F
P
1
2
3
4
5
6
7
8
AO1
AO2
AO3
AO4
GND
SDA
SCL
VCC
+
C192
EMPTY(47uF/16V(WT)
)
R185
1kJ
C191
0.01uF(B)
R166
33J
R186
10kJ
C140
0.1uF
IC20
74VHC595FT
89
10
13
14
16
15
1
2
3
4
5
6
7
11
12
GND
Q'H
SCLR
G
SER
VCC
QA
QB
QC
QD
QE
QF
QG
QH
SCK
RCK
R201
LD38
CN3
B5B-PH-SM3-T
B
1
2
3
4
5
R196
1kJ
C189
0.1uF
R143
100J
C150
R152
0J
LD48
Q16
DTC143EE
23
1
R173
1kJ
C145
10pF
R195
100J
R278
47kJ
C196
10uF
R197
10kJ
CN5
09FLZ-SM1-
TB
1
2
3
4
5
6
7
8
9
FB7
BLM18PG600SN1
R266
1kJ
R161
LD40
LD28
R162
R206
C188
0.1uF
R274
10kJ x 4
LD32
R139
1kJ
IC19
SST39SF040
12
11
10
9
8
7
6
5
27
26
23
25
4
28
29
3
2
13
14
15
17
18
19
20
21
1
22
24
31
32
16
30
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
A18
CE
OE
WE
VCC
VSS
A17
IC16
P89C51RD2
9
8
2
3
4
5
6
7
11
13
14
15
16
17
18
19
10
21
20
22
1
12
23
34
24
25
26
27
28
29
30
31
32
33
43
42
41
40
39
38
37
36
35
44
P1.7/EX4
P1.6/EX3
P1.0/T2
P1.1/T2EX
P1.2/ECI
P1.3/EX0
P1.4/EX1
P1.5/EX2
P3.0/RxD
P3.1/TxD
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P3.6/WR
P3.7/RD
RST
XTAL1
XTAL2
VSS
N.C.
N.C.
N.C.
N.C.
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
PSEN
ALE
AD0/P0.0
AD1/P0.1
AD2/P0.2
AD3/P0.3
AD4/P0.4
AD5/P0.5
AD6/P0.6
AD7/P0.7
EA/VPP
VCC
IC28
LM31
7EMP
1
2
3
ADJ
OUTPUT
INPUT
R248
0J
R140
1kJ
LD50
R148
47kJ
C146
10pF
GPIO[7..0]
3
HDATAF[0..3]
3
HFS
3
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
5/7
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