(3) Checking Ant SW & Mobile SW
4. TROUBLE SHOOTING
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FL500
SW500
C532(VC2) C534(VC1)
FL500. 5
FL500. 3
SW500. RF
GPO_9
GPO_11
10p
C532
33nH
L508
EFCH942MTCA7
EFCH1842TCA7
L507
L510
3.3nH
33nH
NA
C517
C508
SW500
ENWY0002201
ANT
G1
G2
RF
22p
3.3p
C534
ANT500
22nH
L500
NA
C513
8
ANT
1
DCS_RX
DCS_TX
3
10
EGSM_RX
EGSM_TX
5
GND1
4
GND2
6
GND3
7
GND4
9
GND5
12
GND6
13
14
GND7
VC1
11
VC2
2
SHS-C090DR
FL500
27p
C524
1.2p
C501
ANT501
ANT502
ANT_SW2
ANT_SW1
Figure 4-5
Graph 4-6(b)
Graph 4-6(a)
Test Points
Circuit Diagram
Waveform
Содержание C3380
Страница 1: ...Service Manual Model C3380 Date November 2005 Issue 1 0 Service Manual C3380 ...
Страница 3: ... 4 ...
Страница 83: ...4 TROUBLE SHOOTING 84 4 11 KEY backlight Trouble Test Points Figure 4 22 ...
Страница 98: ...4 TROUBLE SHOOTING 99 Yes No Yes No Replace M201 Establish a call Replace U101 Software Re_download ...
Страница 109: ...Note 110 ...
Страница 116: ... 117 8 PCB LAYOUT ...
Страница 117: ... 118 8 PCB LAYOUT ...
Страница 125: ...10 STAND ALONE TEST 126 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 129: ... 130 ...
Страница 131: ... 132 ...