Receiver Trouble - LG KP260 Service Manual

4. TROUBLE SHOOTING

4.14 Receiver Trouble

TEST POINT
CIRCUIT
1u 47p
UKEY_ROW0
R321 680
KEY_COL4
R322 680
KEY_COL3
UKEY_ROW4
C343 VA304
DNI
TP1
REC_N
REC_P
C348 C349
39p 39p
MLED
MLED1
MLED2
LCD_RESET
LCD_ID
LGE Internal Use Only
TP1
ENBY00405
1u 47p
CN302
1 50
2 49
3 48
4 47
5 46
6 45
7 44
8 43
9 42
10 41
11 40
12 39
13 38
14 37
15 36
16 35
17 34
18 33
19 32
20 31
21 30
TP2
Figure 4.13
RECEIVER
REC_P
C101
39p
REC_N
C102
VA100
39p
DNI
Copyright © 2008 LG Electronics. Inc. All right reserved.
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TP2
CN101
L100 1800
1
2
L101 1800
C103
VA101
39p
DNI
Only for training and service purposes