Sharp LL-T1501A (serv.man12) Service Manual ▷ View online
DOWNSTRAEM
LCD UNIT
LANP
15 inch LCD
LANP
INVERTER
1
LCD SIGNAL INPUT
2
3
4
6
RGB, H/V
INPUT
POWER UNIT
AC SW
[AC INPUT]
DOWNSTRAEM
UPSTRAEM
5
KEY-SWITCH UNIT
AUTO BRIGHTNESSS UNIT
INTERFACE
UNIT
7
ONLY 1511A
AC ADAPTER
USB HUB UNIT
DC POWER
[FROM PC]
[FROM PC]
[TO USB DEVICE]
STAND UNIT
DISPLAY UNIT
CHAPTER 5. BLOOK DIAGRAM
Unit terminals
LCD SIGNAL INPUT
Used connector : FX8-60P-SV (HIROSE)
Pin No.
Symbol
Function
1
GND
GND
2
RB0
RED Even pixel data signal
(LSB)
3
RB1
RED
4
RB2
RED
5
RB3
RED
6
RB4
RED
7
RB5
RED
(MSB)
8
GND
GND
9
GB0
GREEN Even pixel data signal
(LSB)
10
GB1
GREEN
11
GB2
GREEN
12
GB3
GREEN
13
GB4
GREEN
14
GB5
GREEN
(MSB)
15
GND
GND
16
BB0
BLUE Even pixel data signal
(LSB)
17
BB1
BLUE
18
BB2
BLUE
19
BB3
BLUE
20
BB4
BLUE
21
BB5
BLUE
(MSB)
22
GND
GND
23
RA0
RED Odd pixel data signal
(LSB)
24
RA1
RED
25
RA2
RED
26
RA3
RED
27
RA4
RED
28
RA5
RED
(MSB)
29
GND
GND
30
GA0
GREEN Odd pixel data signal
(LSB)
31
GA1
GREEN
32
GA2
GREEN
33
GA3
GREEN
34
GA4
GREEN
35
GA5
GREEN
(MSB)
36
GND
GND
37
BA0
BLUE Odd pixel data signal
(LSB)
38
BA1
BLUE
39
BA2
BLUE
40
BA3
BLUE
41
BA4
BLUE
42
BA5
BLUE
(MSB)
43
GND
GND
44
REV1
(GND)
45
GND
GND
46
V
sync
Vertical synchronizing signal
47
H
sync
Horizontal synchronizing signal
48
DE
Data enable signal (Display position signal)
49
GND
GND
50
GND
GND
51
CKB
Sampling clock
52
CKA
Sampling clock
53
GND
GND
54
GND
GND
55
GND
GND
(GND)
56
MODE
Timing signal select
57
Vcc
+5V power supply
58
Vcc
+5V power supply
59
Vcc
+5V power supply
60
Vcc
+5V power supply
JP6 (To Inverter Terminal)
Used connector : PH_6
Pin No.
Symbol
Function
1
ON / OFF
HIGH = ON, LOW = OFF +5V
2
GND
GND
3
BRIGHT
Brightness control of inverter +5V
4
GND
GND
5
+12V
+12V IN
6
+12V
+12V IN
JP4 (To Key Switch Board Terminal)
Used connector : PH_9P
Pin No.
Symbol
Function
1
KEY MENU
MENU
2
KEY SELECT
SELECT
3
KEY UP
UP
4
KEY DOWN
DOWN
5
HOT KEY
HOT KEY
6
SOFT PWA
SOFT POWER
7
LED AMBEA
LED ORANGE
8
LED GREEN
LED GREEN
9
GND
GND
J2 (Power Supply Input Terminal) FROM STAND
Used connector : CON 4P
Pin No.
Symbol
Function
1
+12V
+12V supply from power BD
2
+12V
+12V supply from power BD
3
GND
GND
4
GND
GND
JP3 (Power Supply Input Terminal From AC ADAPTER)
Used connector : POWER_JACK20_B
Pin No.
Symbol
Function
1
GND
2
+12V
+12V supply from AC ADAPTER
3
GND
J1(Signal Input Terminal)
Used connector : PH12P
Pin No.
Symbol
Function
1
SCL
DDC
2
SDA
DDC
3
DDC +5V
DDC
4
V-SYNC-
V-SYNC
5
H-SYNC
H-SYNC
6
GND
GND
7
RED
RED
8
GND
GND
9
GREEN
GREEN
10
GND
GND
11
BLUE
BLUE
12
GND
GND
JP8 (From BRIGHT SENSER) (Only 15UA)
Used connector : PH_4P
Pin No.
Symbol
Function
1
+5V
+5V
2
GND
GND
3
AUTO BRI CTRL
Auto Bright Control
4
GND
GND
P
O
WE
R
/MC
U
U9
24LC1
6
B
A0
1
A1
2
A2
3
VS
S
4
SI
5
SCK
6
WP
7
VCC
8
R76
10K
0805
5%
12
B1
5
500z
/100M
12
CHOCK2
R6H_6X
10
12
R115
4.
7K
JP
8
PH_
4
1
2
3
4
C82
0.
1u
F
JP
3
POW
E
R_JA
CK20_
B
2
1
3
C106
33P
1
2
B7
6
300z
/100M
1
2
R87
1K
RP1
6
4.
7K
*4
8
1
7
2
6
3
5
4
R91
10K
R71
40.
2
K
0805
1
2
C75
1uF
16V
0805
1
2
B7
7
300z
/100M
1
2
C62
1000
P
0805
12
C80
0.
1U/
2
0V/
N
A
R81
100K
0603
1
2
C162
1uF/
N
A
1
2
B7
8
300z
/100M
1
2
C79
0.
1U/
2
0V/
N
A
B6
4
220z
/100M
12
B2
4
300z
/100M
12
Q4
M
M
B
T
3
906L
B
EC
R92
10K
C66
1uF
0805
1
2
C73
10uF/
1
6
V
CPWX4.
3
1
2
+
R70
2.
94
K/
1%
1
2
B2
3
300z
/100M
12
R124
4.
7K
/N
A
C72
10uF/
1
6
V
CPWX4.
3
1
2
+
RP1
1
4.
7K
*4
8
1
7
2
6
3
5
4
B2
2
300z
/100M
12
U7
EZ108
4CT
VI
N
3
GND
1
VO
UT
0
2
VO
UT
1
4
C87
22uF/
1
6
V
C86
0.
1u
F
R123
0
B1
4
500z
/100M
3216
1
2
Q6
SI
9
410DY
SO
8
2
4
8
7
3
6
5
1
G
S
D
RP1
2
4.
7K
*4
8
1
7
2
6
3
5
4
B6
8
300z
/100M
12
R78
165
0603
1%
1
2
R75
100
0603
1%
1
2
RP1
3
4.
7K
*4
8
1
7
2
6
3
5
4
B2
7
300z
/100M
12
B2
6
300z
/100M
12
C77
100u
F
/2
5
V
CPWX8.
3
1
2
+
JP
7
PH_
5
1
2
3
4
5
Q8
M
M
B
T
3
904L
C71
0.
01
uF
1
2
Q9
M
M
B
T
3
906L
B
E
C
Q12
M
M
B
T
3
904L
B2
5
300z
/100M
12
R83
1K
0603
1
2
C74
470u
F
/1
6
V
1
2
+
Q10
M
M
B
T
3
906L
B
E
C
R128
1M
J2
CON4
1
2
3
4
B2
1
300z
/100M
12
R85
10K
0603
1
2
Q5
M
M
B
T
3
906L
B
E
C
R95
15K
R79
22
0603
12
B7
4
300z
/100M
12
C155
1uF
0805
1
2
R94
470
R126
NA
1
2
R72
4.
99
K
0805
1%
12
R97
0
/N
A
C68
0.
1u
F
1
2
U6
HI
P6
013
RT
1
O
C
SET
2
SS
3
COMP
4
FB
5
EN
6
GND
7
PHA
S
E
8
UGATE
9
B
OOT
10
NC3
11
NC2
12
NC1
13
VCC
14
R77
1K
/1
%
0805
1
2
C67
0.
1u
F
1
2
L1
4.
7UH/
8
A
CORE_7X
13X2
S
D
12
C63
1uF
1
2
D10
SR3
4
C64
470u
F
/1
6
V
1
2
+
C107
33P
1
2
R98
0
/N
A
Q7
DTC144WK
1
2
3
C65
C108
33P
1
2
C157
0.
1u
F
D11
RLZ15A
A
K
R89
4.
7K
C161
1000
P
C81
0.
1u
F
/
NA
U8
KI
A
7042/
NA
3
1
2
GND
OUT
VCC
C83
10uf
/16V
C109
33P
1
2
JP
4
PH_
9
1
2
3
4
5
6
7
8
9
C156
1uF
1
2
R101
15K
D13
1N414
8
A
K
R86
130
1
2
C85
22P
C160
0.
1u
F
C110
33P
1
2
C158
1000
P
C76
1uF
1
2
R88
470/
N
A
C84
22P
C159
1uF
1
2
C78
10uF/
1
6
V
CPWX4.
3
1
2
+
C69
33P
1
2
C111
33P
1
2
C151
0.
1u
F
1
2
R108
10K
Y2
20M
Hz
/22P
D12
RLZ15A
A
K
R90
100K
F1
RGE500
R100
470
R84
10K
1
2
CHOCK1
R6H_6X
10
12
Q3
HUF75307D
G
D
S
RP1
4
4.
7K
*4
8
1
7
2
6
3
5
4
Q14
M
M
B
T
3
904L/
NA
C163
0.
1u
F
/NA
D9
1N414
8
A
K
R82
10K
0603
12
C70
470u
F
/1
6
V
1
2
+
J3
3
P
X
1
/.1
/MA
/G
O
L
D
1
1
2
2
3
3
R93
100K
/N
A
B7
5
300z
/100M
1
2
RP1
5
4.
7K
*4
8
1
7
2
6
3
5
4
U10
M
675
9
P
1
.0
/T2
2
P
1
.1
/T2
E
X
3
P
1
.2
/E
C
I
4
P
1
.3
/C
E
X
0
5
P
1
.4
/C
E
X
1
6
P
1
.5
/C
E
X
2
7
P
1
.6
/C
E
X
3
/W
A
IT
#
8
P1
.7
/C
EX
4/
A17/
W
9
RST
10
P
3
.0
/R
X
D
11
P
3
.1
/TX
D
13
P
3
.2
/IN
T0
#
14
P
3
.3
/IN
T1
#
15
P
3
.4
/T0
16
P
3
.5
/T1
17
P
3
.6
/W
R
#
18
P
3
.7
/R
D
#
/A
16
19
XT
A
L
2
20
XT
A
L
1
21
VS
S
22
A8
/P
2.
0
24
A9
/P
2.
1
25
A1
0/
P2.
2
26
A1
1/
P2.
3
27
A1
2/
P2.
4
28
A1
3/
P2.
5
29
A1
4/
P2.
6
30
A1
5/
P2.
7
31
PS
EN#
32
AL
E/
PRO
G
#
33
EA
#/
VP
P
35
AD7
/P0.
7
36
AD6
/P0.
6
37
AD5
/P0.
5
38
AD4
/P0.
4
39
AD3
/P0.
3
40
AD2
/P0.
2
41
AD1
/P0.
1
42
AD0
/P0.
0
43
VCC
44
NI
C
1
NI
C
12
NI
C
23
NI
C
34
C105
33P
1
2
R80
100K
0603
1
2
SCL
SDA
RES
E
T
AUTO_BRI
_CTRL
KE
Y_DO
W
N
#
KE
Y_UP
#
KE
Y_S
E
LE
CT#
KE
Y_M
E
NU#
LE
D_G
R
E
E
N#
RES
E
T
VCC_
LCD
KE
Y_S
E
LE
CT#
KE
Y_M
E
NU#
SO
F
T
_
P
W
R
#
KE
Y_DO
W
N
#
SDA
SO
F
T
_
P
W
R
#
SCL
TX
D
RXD
HOT
_
K
E
Y
HOT
_
K
E
Y
AUTO_BRI
_CTRL
AUTO_BRI
_DE
T
ECT
AUTO_BRI
_DE
T
ECT
KE
Y_UP
#
LE
D_G
R
E
E
N
LE
D_G
R
E
E
N
LE
D_AM
B
E
R
LE
D_AM
B
E
R
LE
D_AMB
E
R#
+3
.3
V
VCC_LCD
12
VI
N
VDD_12
VDD_12
VDD_12
12
VI
N
+3
.3
V
+5
V
+5
V
+5V
+5
V
GND
GND
+5
V
GND
GND
GND
GND
+5
V
GND
GND
GND
GND
GND
+5
V
12_GND
GND
+5
V
GND
GND
GND
GND
+5
V
GND
+5
V
GND
GND
GND
+5
V
+5
V
+5
V
+5
V
+5
V
GND
12_GND
12_GND
12_GND
12_GND
12_GND
12_GND
12_GND
12_GND
GND
12_GND
12_GND
12_GND
12_GND
GND
12_GND
VG
A_
CON
HDATA
0
RES
E
T#
IR
Q
HFS
HDATA
1
HDATA
2
HDATA
3
HCLK
BRI
_
PW
M
SY
NC_SE
LECT
EN_
L
CD#
H_P
O
LA
RI
T
Y
V_
PO
LARI
T
Y
EN_
L
CD#
V_
BYP
AS
S
EN_
B
L#
PARAM
E
TER
EEPROM
POWER
CONN.
OV
ER VOTAGE PROTECTION
12V-->5V
5V-->3.3
V
RESET
L
C
D POWE
R
1/
2W
0.
1u
F
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