Lenovo S930 Руководство по эксплуатации - Страница 2
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LENOVO S930 Cellphone Service Manual
1
CELLPHONE APPEARANCE .................................................................................................... 4
2
LAYOUT OF MOTHERBOARD ................................................................................................. 4
3
BASEBAND .................................................................................................................................... 6
3.1
When the device is turned on there's nothing on screen ...................................................... 7
3.1.1
LCD backlight doesn't light up. ........................................................................................... 8
3.1.2
3.2
3.2.1
Back camera does not work properly. .................................................................................. 8
Front camera doesn't work properly. ................................................................................. 10
3.2.2
3.3
V
3.3.1
It does not vibrate. ............................................................................................................. 11
3.3.2
It does not ring. .................................................................................................................. 11
3.4
.............................................................................................................................. 13
It doesn't show the charging indicator when charger is plugged in. ................................. 13
3.4.1
It shows the charging indicator. But the battery can't be fully charged. ............................ 15
3.4.2
3.5
Keyboard can't work properly. ........................................................................................... 16
3.5.1
Keyboard backlight doesn't light up. ................................................................................. 17
3.5.2
3.6
You can't hear the person you are talking to during a phone call. .................................... 18
3.6.1
You can't be heard by the person you are talking to during a phone call. ......................... 19
3.6.2
3.7
4
RADIO FREQUENCY ................................................................................................................ 21
4.1
4.1.1
GSM AFC calibration ........................................................................................................ 21
4.1.2
GSM Rx Path Loss calibration .......................................................................................... 21
4.1.3
GSM AFC calibration ........................................................................................................ 22
4.2
4.2.1
Switching spectrum and PVT template are over the limits. ............................................... 24
4.2.2
Frequency Error is too big................................................................................................. 24
4.2.3
Phase Error is too big. ....................................................................................................... 25
4.2.4
Power output related problems .......................................................................................... 26
4.3
4.3.1
WCDMA Rx Path Loss calibration .................................................................................... 27
4.3.2
WCDMA TPC calibration .................................................................................................. 28
4.4
4.4.1
ACLR or SEM .................................................................................................................... 29
4.4.2
The results of PowerControl comprehensive test are not good. ......................................... 29
4.4.3
FrequencyErr ..................................................................................................................... 29
4.5
............................................................................................................................... 30
Content
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