LG RD-JT30 Service Manual page 58

Service manual
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5
MAIN BOARD
D
TP302
L202
80 OHM
TP301
L201
TP23
80 OHM
L8
80 OHM
TP24
L9
J201
80 OHM
1
1
TP27
2
2
L10
3
3
80 OHM
4
4
TP31
5
5
L11
C
6
6
80 OHM
7
7
8
8
L116
20D0038108
80 OHM
TP34
D112
L12
1
80 OHM
TP36
L13
80 OHM
B
CONTROL
P3P3V
14
2
PC-RXD
P5V
P5V
7
D N5
D N6
3
3
BAV99
BAV99
6
PC-TXD
U20B
74LVC125A
A
5
4
P3P3V
P3P3V
C127
C128
C600
47U
25V
0.1U K
0.1U K
TP25
TP26
J6
TP28
1
TP29
2
TP30
P5V
P5V
3
4
5
C129
C130
20L2021005
47U
0.1U K
25V
P12VDC
P12VDC
ES1D
P12V
2
P12V
C131
C132
47U
25V
0.1U K
3
RXD
U20A
74LVC125A
P3P3V
14
1
OPER-LED1
5
TXD
7
1
OPER-LED2
4
3
R107
0
P3P3V
OPEN
P3P3V
R108
R109
150
3.3K
OPEN
LAMPLIT
LAMPLITZ
R110
2K
Q10
1
2N3904
P5V
P5V
P3P3V
R111
510
R112
4.7K
OPEN
LIT
R113
0
LIGHT
R51
0
D OORLOCK
P3P3V
Q11
R114
2K
1
LAMPEN
2N3904
R118
P5V
3.3K
R117
10K
Q12
1
THERMAL-BREAK
2N3904
P5V
P5V
LED1
LED2
R
G
R
G
G REEN/RED
G REEN/RED
R122
R123
R124
R125
330
330
330
330
Q16
Q17
1
WAR N-LED 1
2N3904
2N3904
Q18
Q19
1
WAR N-LED 2
2N3904
2N3904
3
2
J5
TP22
TP18
G1
U 18
TP19
1
TP20
K EY0
2
2
1A1
TP21
K EY1
3
4
1A2
4
K EY2
6
1A3
K EY3
5
8
1A4
G2
11
RESETQ
2A1
13
FRO NTLOC K
2A2
20K2170005
15
2A3
17
2A4
1
CS0n
1G
19
2G
74AHC244
P5V
R115
R116
3.3K
3.3K
TP32
TP33
J8
TP35
1
R608
47
2
3
I R
4
20L2021004
I R
TP37
J9
TP38
TP39
1
R609
47
2
3
4
20L2021004
P5V
TP41
R120
4.7K
J10
TP40
R581
2K
G1
1
LAMPDOOR
R121
2K
2
G2
20L2001002
TP42
J11
TP43
G1
FRO N TDOOR
L29
1
2
L30
G2
20L2001002
2
1
P3P3V
C126
0.1U Z
D
D[0:15]
D0
18
1Y1
D1
16
1Y2
14
D2
1Y3
D3
12
1Y4
D4
9
2Y1
7
D5
2Y2
5
2Y3
3
2Y4
C
P3P3V
U 19
1
4
IR R C V R
2
74AHC1G08
D OORLOCK
Q102
1
B
2N3904
1
Q14
2N3904
P3P3V
R579
3.3K
120 OHM
FRONTLOCK
120 OHM
A
1

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