LG VX5400 Service Manual page 68
Tri band, quad mode [pcs/gps/cellular/amps] cdma mobile phone
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Also See for VX5400:
- User manual (99 pages) ,
- Quick reference manual (49 pages) ,
- Quick start manual (6 pages)
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Checking Flow
Checking Flow
Start
Check pin 3,4,5 at U112
Download S/W
signal level is show up?
No
YES
Showed up Signal level is similar
Check U204
With Fig. on Next page?
NO
YES
Control Signal is O.K See next page
Waveform
Waveform
SBDT
SBST
SBCK
SBCK
Figure 4.2.1 (c)
Figure 4.2.1 (d)
Copyright@2007 LG Electronics. Inc. All right reserved.
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Only for training and serving purposes
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