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4. TROUBLE SHOOTING
4.15 FM RADIO Trouble
Check Points
-FM RADIO IC soldering
- 32khz signal working correctly
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
U304
U306
C343
C341
TP1
C328
C325
C3
2
7
TEST POINT
WAVE FROM
V_IO
C341
0.1u
C343
27p
C338
0.1u
22n
C337
22n
R328
100ohm
C336
100ohm
R327
V_ABB
C335
1u
R321
47K
C328
0.1u
R331
47K
C327 100p
0.1u
C325
C342
0.1u
V_ABB
V_IO
5
VCC
U306
TC7SH04FS
2
GND
1
4
RFGND
13
ROUT
SCLK
7
SDIO
8
16
VA
11
VD
VIO
10
5
_RST
6
_SEN
U304
SI4702-C19-GM
2
FMIP
4
GND1
GND2
12
GND3
15
GPIO1
19
18
GPIO2
GPIO3
17
14
LOUT
NC1
1
20
NC2
PGND
21
9
RCLK
3
1u
C334
_FM_RESET
I2C_SDA
I2C_SCL
FM_ANT
FM_INT
RADIO_L
RADIO_R
CLK32K
CIRCUIT
TP 1
Содержание KP151Q
Страница 1: ...Service Manual Model KP151Q Service Manual KP151Q Date September 2008 Issue 1 0 Internal Use Only ...
Страница 107: ... 108 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 127: ...Note ...
Страница 128: ...Note ...