113
LC-39/50LE750
LC-39/50LE751
LC-39/50LE752
39” / 50”
Key Unit Diagram
(DUNTKG221WE02)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
I
H
G
F
E
D
C
B
A
VOL+
INPUT
VOL-
CH-
CH+
POW
3D
BLUE
IR
POWERON
POWERON
MENU
GUARDA
RED
12VD
KEYS
D5105
PXA239WJ
D5103
PXA238WJ
D5109
PXA235WJ
D5108
PXA235WJ
D5107
PXA235WJ
D5112
PXA235WJ
D5111
PXA235WJ
D5110
PXA235WJ
IXD572WJ
PIC6LF1503
1
VDO
2
RAS
3
AN3
4
MCLR
5
RC5
6
RC4
7
AN7
8
AN6
9
AN5
10
AN4
11
AN2
12
AN1
13
DAC
14
GND
120u
16V
C5110
NA345WJ
P5101
1
GND
2
KEY2
3
LIGHT SENSOR
4
KEY1
5
GREEN LED
6
WHITE LED
7
IRIN
8
BU+3.3V
9
BLUE LED
10
3D
11
RED LED
R5118
10K
R5119
3.3K
C5103
10u
6.3V
C5106
10u
6.3V
C5111
0.1u
C5109
0.1u
+12V
Q5100
2SC3928AR
Q5101
2SC3928AR
D5106
RB162M40
P5100
MCUA113WJ
1
2
3
4
R5115
10
C5107
100P
R5110
100
C5105
0.1u
BU+3.3V
BU+3.3V
+12V
R5117
47
R5116
470
R5121
10K
R5113
10K
R5120
10K
R5114
10K
R5125
10K
Q5103
2SD2657
Q5102
2SD2657
C5108
0.47u
R5122
1K
R5123
1K
R5127
10K
+12V
BU+3.3V
D5102
EXA741WJQZ
C5101
0.1u
FB5100
A529WJ
C5100
2.2u
16V
VDD
BU+3.3V
R5108
100
C5104
0.1u
R5124
0
TQ
R5126
2.4
TQ
R5128
2.4
TQ
R5109
10K
C5102
0.1u
BU+3.3V
R5107
1K
D5100
EXA741WJQZ
R5100
3.9K
R5101
3.9K
R5102
3.9K
R5103
3.9K
R5104
3.9K
R5105
3.9K
R5106
3.9K
TL5104
TL5106
TL5103
TL5102
TL5101
TL5105
TL5100
TL5121
TL5122
TL5119
TL5118
TL5117
TL5116
TL5115
TL5114
TL5113
TL5112
TL5120
TL5107
TL5108
TL5109
TL5110
TL5111
R5129
3.9K
TL5123
+12V
BU+3.3V
1 MCLR
2 +3.3V
3 GND
4 ICSPDAT
5 ICSPCLK
6 NC
POWER
MENU
INPUT
CH +
CH -
VOL +
VOL -
SC5100
IC5100
DUNTKG221WE01