LG C3400 Service Manual page 60
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Also See for C3400:
- User manual (297 pages) ,
- Specifications (4 pages) ,
- User manual (201 pages)
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(3) Checking Ant SW & Mobile SW
TEST POINT
CIRCUIT
ANT500
C500
1.2p
L509
3.3nH
L500
22nH
SW500
ENWY0002201
C508
22p
FL500
8
ANT
4
GND1
6
5
GND2
EGSM_TX
7
3
GND3
DCS_TX
9
GND4
12
GND5
13
10
GND6
EGSM_RX
14
1
GND7
DCS_RX
11 2
SHS-C090DR
33nH
C531
10p
33nH
C537
3.3p
ANT501
ANT502
L507
ANT_SW2
L508
ANT_SW1
FL500. 10
FL500. 10
C531 (VC2)
Figure 4-5
Graph 4-6(a)
Graph 4
Graph 4-6(b)
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4. Troubleshooting
SW500. RF
FL500. 1
C537 (VC1)
Waveform
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