Sharp LL-T1803 (serv.man16) Service Manual ▷ View online
LL-T1803-E/P
CIRCUIT DIAGRAM
6 – 4
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
LVDS INTERF
A
C
E
B72
220z/100M
C155
0.01uF
C160
0.01uF
C159
0.1uF
C158
22uF/16V
R160
10
C157
0.01uF
C282
15pF
C154
0.1uF
R210
NA
C162
0.01uF
R211
NA
C145
22uF/16V
B70
220z/100M
C148
0.1uF
C156
0.1uF
B73
220z/100M
C149
0.1uF
C161
0.1uF
C153
22uF/16V
R181
33
R180
33
JP1
HEADER_15x2/SM
C242
0.1uF
B74
220z/100M
R71
NC
L21
600z/100M
R72
0
U10
83A
R70
0
R69
NC
B71
220z/100M
C146
0.1uF
C152
47uF/16V
+
C147
0.1uF
C151
0.1uF
C150
0.1uF
U11
83A
3V3LVDSA
3V3LVDSP
3V3LVDSD
3V3LVDSA
3V3LVDSP
3V3LVDSD
3V3LVDSA
GND
GND
LCDS_GND
GND
GND
3V3b
LCDS_GND
3V3LVDSP
LCDS_GND
LCDS_GND
GND
GND
GND
GND
GND
LCDS_GND
3V3LVDSD
GND
VCC_LCD
GND
GND
GND
GB1
4
GB2
4
GB6
4
GB7
4
GB3
4
GB4
4
GB5
4
BB0
4
BB6
4
BB7
4
BB1
4
BB2
4
BB3
4
BB4
4
BB5
4
LCD_HS
4
LCD_VS
4
LCD_CLK
4
GA4
4
GA7
4
GA3
4
BA0
4
BA6
4
GA5
4
BA1
4
BA7
4
BA2
4
BA5
4
BA4
4
BA3
4
LCD_DE
4
RB7
4
GB0
4
RB5
4
LCD_HS
4
LCD_CLK
4
LCD_VS
4
RA4
4
RA3
4
RA2
4
RA1
4
RA0
4
RA6
4
RB6
4
RB1
4
RB0
4
RB2
4
RB3
4
RB4
4
LCD_DE
4
RA7
4
GA0
4
RA5
4
GA6
4
GA2
4
GA1
4
LVDS_PD#
6
LVDS_PD#
6
SR2P
SR1P
SCLKM
FR0M
SCLKP
FR1P
SR2M
FR0P
FR1M
SR1M
SR3M
SR3P
FR0P
FR0M
FR2P
FR2M
FCLKP
FCLKM
SR1P
SR1M
SR3P
SR3M
FR1P
FR1M
FR3M
FR3P
SR0M
SR2P
SR0P
SCLKP
SR2M
LCDS_GND
LCDS_GND
SR0P
SR0M
FR2M
FCLKM
FCLKP
FR2P
FR3P
FR3M
SCLKM
1
2
1
2
1
2
12
34
56
78
91
0
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
VCC
1
D5
2
D6
3
D7
4
GND
5
D8
6
D9
7
D10
8
VCC
9
D11
10
D12
11
D13
12
GND
13
D14
14
D15
15
D16
16
CLKSEL
17
D17
18
D18
19
D19
20
GND
21
D20
22
D21
23
D22
24
D23
25
VCC
26
D24
27
D25
28
GND
29
D26
30
CLKIN
31
SHTDN
32
PLLGND
33
PLLVCC
34
PLLGND
35
LVDSGND
36
Y3P
37
Y3M
38
CLKOUTP
39
CLKOUTM
40
Y2P
41
Y2M
42
LVDSGND
43
LVDSVCC
44
Y1P
45
Y1M
46
Y0P
47
Y0M
48
LVDSGND
49
D27
50
D0
51
D1
52
GND
53
D2
54
D3
55
D4
56
1
2
2
VCC
1
D5
2
D6
3
D7
4
GND
5
D8
6
D9
7
D10
8
VCC
9
D11
10
D12
11
D13
12
GND
13
D14
14
D15
15
D16
16
CLKSEL
17
D17
18
D18
19
D19
20
GND
21
D20
22
D21
23
D22
24
D23
25
VCC
26
D24
27
D25
28
GND
29
D26
30
CLKIN
31
SHTDN
32
PLLGND
33
PLLVCC
34
PLLGND
35
LVDSGND
36
Y3P
37
Y3M
38
CLKOUTP
39
CLKOUTM
40
Y2P
41
Y2M
42
LVDSGND
43
LVDSVCC
44
Y1P
45
Y1M
46
Y0P
47
Y0M
48
LVDSGND
49
D27
50
D0
51
D1
52
GND
53
D2
54
D3
55
D4
56
1
LL-T1803-E/P
CIRCUIT DIAGRAM
6 – 5
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
MCU INTERF
A
C
E
66
77
88
R80
0
R93
0
RP36
4.7K
R95
4.7K
U18
NC7S14
R96
4.7K
R82
100
R81
220
C180
0.1uF
C296
0.1uF
R84
4.7K
C173
33p
R75
33
C172
220p
RP37
4.7K
R112
33
R79
4.7K
Q2
MMBT3906L
C184
NC
R100
330
R109
22
C171
1uF
U19
AV9173-01
R74
0
C183
100uF/25v
Q1
MMBT3906L
R98
330
C182
0.1uF
C181
0.01uF
C164
NA
U13
OSC_11.0592MHz
D4
1N4148_NC
RP33
4.7K
C163
0.1uF
C292
NC
C177
0.1uF
U12
MTV230
RP32
4.7K
U15
24C16
R85
100
R87
100
C176
0.1uF
R76
100
C305
15P
R83
0
C167
NC
R86
0
U16
74HC4053
R184
0
U14
74LCX125
B76
0
R185
0
C175
22P
R183
0
B75
22
RP31
4.7K
RP38
4.7K
RP34
4.7K
R73
1K
R115
33
C174
0.1uF
C170
22P
C165
22P
R78
10
RP35
4.7K
R94
10K_NC
R97
33
C178
0.1uF
R99
33
C166
220P
B106
30z/100M
R90
0
C169
100P
R88
100
B105
30z/100M
R91
0
R89
100_NC
R92
0
3V3
3V3
5V_STBY
3V3
3V3
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
5V_STBY
GND
GND
GND
GND
3V3
3V3
GND
GND
GND
GND
GND
GND
3V3
3V3
GND
GND
GND
5V_STBY
GND
GND
GND
GND
3V3
3V3
OSD_HS
4
OSD_VS
4
OSD_R
4
OSD_B
4
OSD_G
4
ASIC_SCL
4
ASIC_SDA
4
ROM_SCL
4
ROM_SDA
4
FBLK
4
PDO#
3
PSC1#
8
ASIC_RESET#
4
MENU#
7
PSC0#
8
SOURCE_SEL#
7
BL_PWM
7
BL_ON_OFF#
7
12MHZ
4
VCLK01
3,4
PD#
3
ABC
7
FCLK1
4
VCLK1
4
AUDIO_PD
9
SELECT#
7
VSYNC_IN
HSYNC_IN
ISP_SCL
7
ISP_SDA
7
LED_GREEN
7
D_HPD
7
HSYNC_X
4
VSYNC_MCU
2,4
LED_AMBER
7
SOFT_START#
7
7
SCDT
3
HSYNC_IN
VSYNC_IN
HSYNC_D
3
VSYNC_D
3
SOG_OUT
2
9883_V
2
ROM_SCL_EEPROM
4
ROM_SCL
4
ROM_SCL_ASIC
4
4
ASIC_RESET#
4
UP#
7
LVDS_PD#
5
MCU_SDA1
2,9
MCU_SCL1
2,9
DOWN#
7
0V~2.5V+/-0.1V
PSC0#
SD_MODE
OSD_CLK
SD_MODE
INPUT_SELECT
OSD_CLK
AMBER#
GREEN#
X1
X1
INPUT_SELECT
8
1
7
2
6
3
5
4
NC
1
IN
2
GND
3
OUT
4
VCC
5
1
2
8
1
7
2
6
3
5
4
B
E
C
FBIN
1
IN
2
GND
3
FSO
4
OE
5
CLK1
6
VDD
7
CLK2
8
B
C
OE
1
GND
2
OUT
3
VDD
4
A
K
8
1
7
2
6
3
5
4
ROUT
1
XIN
2
OSDHS
3
OSDVS
4
P4.7/VBLANK
5
P4.6/HBLANK
6
X1
7
X2
8
P4.5
9
P4.4
10
P4.3
11
P4.2
12
P4.1/VSYNC
13
P4.0/HSYNC
14
P3.0/Rxd/HSCL
15
P3.1/Txd/HSDA
16
P3.2/INT0
17
VDD
18
RST
19
VSS
20
P3.4/T0
21
P3.5/T1
22
P6.0/ISCL
23
P6.1/ISDA
24
P1.0
25
P1.1
26
P1.2
27
P1.3
28
P1.4
29
P1.5
30
P1.6
31
P1.7
32
P5.0/AD0
33
P5.1/AD1
34
P5.2/AD2
35
P5.3/AD3
36
P5.4/DA0
37
P5.5/DA1
38
P5.6/DA2
39
P5.7/DA3
40
INT/P6.2
41
FBKG
42
BOUT
43
GOUT
44
8
1
7
2
6
3
5
4
A0
1
A1
2
A2
3
VSS
4
SDA
5
SCL
6
WP
7
VDD
8
S1
11
S2
10
S3
9
1Y0
12
1Y1
13
2Y0
2
2Y1
1
3Y0
5
3Y1
3
1Z
14
2Z
15
3Z
4
E_
VEE
VCC
16
GND
1OE_
1
1A
2
1Y
3
2OE_
4
2A
5
2Y
6
GND
7
3Y
8
3A
9
3OE_
10
4Y
11
4A
12
4OE_
13
VCC
14
1
2
12
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
8
1
7
2
6
3
5
4
12
12
E
1
2
1
2
DIP 6.3
LL-T1803-E/P
CIRCUIT DIAGRAM
6 – 6
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
I/O INTERF
A
C
E
11
22
44
55
66
R192
0
C192
100P
C196
100P
C287
100P
C195
100P
C194
100P
FD1
FIDUCIAL-MARK
FD2
FIDUCIAL-MARK
FD6
FIDUCIAL-MARK
JP5
PH_4/NA
FD5
FIDUCIAL-MARK
FD3
FIDUCIAL-MARK
L3
220Z/100M
0805
FD4
FIDUCIAL-MARK
L2
220Z/100M
0805
FD8
FIDUCIAL-MARK
C205
0.1uF/NA
FD7
FIDUCIAL-MARK
J1
CONN_DVI-D
Q13
MMBT3904L
C202
100uF/25V
CPWX8.3
MTG3
ID3.5/OD7.0
C206
0.1uF/NA
JP3
DB-15
B100
220z/100M/NA
B87
600z/100M
MTG5
ID3.5/OD7.0
D7
BAV70LT1
C203
NA
B89
300z/100M/NA
JP4
PH_6
R143
20K
C204
NA
R119
5.6K
L1
4.7UH/8A
CORE_7X13X2SD
JP6
PH_3/NA
C201
0.1uF
MTG4
ID3.5/OD7.0
B88
220z/100M
C198
100uF/25V
CPWX8.3
MTG1
ID3.5/OD7.0
C199
0.1uF
C190
100P
C191
100P
C200
0.1uF
B85
300z/100M
R120
47K
C335
NA
B84
300z/100M
B83
300z/100M
B78
300z/100M
D6
BAV70LT1
B79
300z/100M
C284
0.1uF/NA
B80
300z/100M
B81
300z/100M
B82
300z/100M
R121
4.7K
JP2
PH_9
B86
300z/100M
MTG2
ID3.5/OD7.0
B77
600z/100M
R191
0
C193
100P
GND
GND
A_DDC_5V_STBY
A_DDC_+5V
5V_STBY
A_DDC_+5V
D_DDC_5V_STBY
5V_STBY
D_DDC_+5V
GND
GND
D_DDC_+5V
GND
GND
5V_STBY
GND
GND
GND
GND
GND
5V_STBY
12V
5V_STBY
GND
GND
G_IN
2
B_IN
2
R_IN
2
VGA_HS
2
VGA_VS
2
RX_D0-
3
RX_D0+
3
RX_D1-
3
RX_D1+
3
RX_D2-
3
RX_D2+
3
DDC_SDA
3
DDC_SCL
3
D_HPD
6
ISP_SCL
6
ISP_SDA
6
BL_PWM
6
ABC
6
ISP_SCL
6
ISP_SDA
6
BL_ON_OFF#
6
RX_CLK-
3
RX_CLK+
3
VGA_SDA
2
VGA_SCL
2
LED_AMBER
6
SELECT#
6
MENU#
6
SOURCE_SEL#
6
LED_GREEN
6
SOFT_START#
6
ISP_SCL
6
ISP_SDA
6
UP#
6
DOWN#
6
TO INVERTER
TO DEBUG PORT
ANALOG INPUT
DIGITAL INPUT
TO KEY CTRL BD
TO SENSOR BD
1
2
3
4
12
D2-
1
D2+
2
D2/4
3
D4-
4
D4+
5
DDC CLK
6
DDC DATA
7
VSYNC
8
D1-
9
D1+
10
D1/3
11
D3-
12
D3+
13
+5V
14
GNDA
15
PLUG
16
D0-
17
D0+
18
D0/5
19
D5-
20
D5+
21
TMDS CLK
22
TMDS CLK+
23
TMDS CLK-
24
GND1
GND1
GND2
GND2
GND3
GND3
GND4
GND4
C
B
E
1
2
4
5
6
7
9
10
1
2
3
2
3
8
11
12
1
1
2
2
3
3
4
4
5
5
10
10
9
9
8
8
7
7
6
6
11
11
12
12
13
13
14
14
15
15
16
16
17
17
12
4
5
6
7
9
10
1
2
3
2
3
8
11
12
12
1
2
3
4
5
6
12
1
2
3
1
2
4
5
6
7
9
10
1
2
3
2
3
8
11
12
1
2
1
2
4
5
6
7
9
10
1
2
3
2
3
8
11
12
12
1
2
3
4
5
6
7
8
9
7
9
10
1
2
3
2
3
8
11
12
+5V
ABC
GND
1
1
1
1
1
1
1
1
LL-T1803-E/P
CIRCUIT DIAGRAM
6 – 7
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
PO
WER INTERF
A
C
E
L4
68UH/8A
CORE_7X13X2SD
U22
HIP6013
C224
1uF
R186
10K
JS3
JP_SMT4_DFS
C219
33P
C227
0.1uF
C209
1uF
0805
C228
1uF
C215
330uF/25V
+
R137
0
0603
1%
C220
470uF/16V
+
R136
NA
0603
1%
Q9
FDS4435
R133
10K
U23
AIC1084-3.3
R130
100K
0603
C226
1000P
L19
600Z/100M
R128
22
0603
R134
10K
0603
C210
0.1uF
R132
1K
0603
C212
0.1uF
C214
330uF/25V
+
C217
0.1uF
C233
0.1uF
C315
330uF/25V
+
R214
10K/NA
C213
1000P
C221
0.01uF
R212
10K/NA
C211
1uF
Q5
MMBT3906L
R131
10K
0603
D8
1N4148
Q4
HUF75307D
R129
100K
0603
R190
10K
C207
1000P
0805
C280
0.1uF
C218
0.1uF
Q15
MMBT3904L
B90
600z/100M
3216
C279
0.1uF
C235
10uF/16V
CPWX4.3
+
C306
0.1uF
F1
RGE600
C278
0.1uF
C285
0.1uF
C234
100uF/25V
CPWX8.3
C281
0.1uF
C286
0.1uF
R126
4.99K
0805
1%
B91
600z/100M
Q17
MMBT3904L/NA
R125
40.2K
0805
D11
RLZ15A
J2
3PX1/.1/MA/GOLD
R122
10K
C223
0.1uF/NC
C208
1uF
CHOCK2
R6H_6X10
Q14
MMBT3904L
JP7
POWER_JACK20_B
R127
1K/1%
0805
R213
10K/NA
Q11
MMBT3904L
C216
1uF
0805
R176
10K
C222
1uF/NC
R124
2.94K/1%
Q16
MMBT3904L/NA
D9
SR34
Q8
SI9410DY
SO8
G
S
D
C225
100uF/25V
CPWX8.3
+
D10
RLZ15A
C237
0.1uF
C236
0.1uF
C232
1uF
16V
0805
L22
22uH
C231
10uF/16V
CPWX4.3
+
C229
10uF/16V
CPWX4.3
+
C230
470uF/16V
+
CHOCK1
R6H_6X10
R138
10K
R135
0
Q7
DTC144WK
B95
600z/100M
B97
600z/100M
R140
10K
Q6
MMBT3906L
12V
VDD_12
VDD_12
12_GND
12_GND
12_GND
12_GND
12_GND
12_GND
12_GND
12_GND
12_GND
12_GND
12_GND
12_GND
12_GND
5V_STBY
12V
12_GND
3V3
5V_STBY
3V3b
12_GND
VDD_12
12_GND
12_GND
12V
VDD_12
12_GND
VCC_LCD
5V_STBY
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
12_GND
GND
AUDIO_12V
GND
GND
GND
D_DDC_+5V
VDD_12
VDD_12
VDD_12
PSC0#
6
PSC1#
6
POWER CONN.
OVER VOTAGE PROTECTION
12V-->5V
LCD POWER
3.3V<--5V
MOVING
VCC_LCD
12
RT
1
OCSET
2
SS
3
COMP
4
FB
5
EN
6
GND
7
PHASE
8
UGATE
9
BOOT
10
NC3
11
NC2
12
NC1
13
VCC
14
1
2
12
1
2
1
2
1
2
1
2
1
2
1
2
1
2
SOURCE1
1
SOURCE2
2
SOURCE3
3
GATE
4
DRAIN
5
DRAIN1
6
DRAIN2
7
DRAIN3
8
3
1
2
4
1
2
12
1
2
1
2
1
2
1
2
1
2
1
1
2
B
EC
12
A
K
G
D
S
1
2
1
2
12
1
2
C
B
E
1
2
1
2
12
12
C
B
E
1
2
A
K
1
1
2
2
3
3
1
2
1
2
1
2
C
B
E
2
1
3
1
2
C
B
E
1
2
1
2
2
C
B
E
1
2
A
K
1
2
1
2
1
2
1
2
1
2
1
2
12
1
2
B
E
C
1
2
VIN
GND
VOUT0
VOUT1
2
1
2
1
2
4
8
7
3
6
5
1
1
2
3
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