LENOVO S930 Cellphone Service Manual
1
CELLPHONE APPEARANCE .................................................................................................... 4
2
LAYOUT OF MOTHERBOARD ................................................................................................. 4
3
BASEBAND .................................................................................................................................... 6
3.1
3.1.1
3.1.2
3.2
3.2.1
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
3.4.1
3.4.2
3.5
3.5.1
3.5.2
3.6
3.6.1
3.6.2
3.7
4
RADIO FREQUENCY ................................................................................................................ 21
4.1
4.1.1
GSM AFC calibration ........................................................................................................ 21
4.1.2
4.1.3
GSM AFC calibration ........................................................................................................ 22
4.2
4.2.1
4.2.2
4.2.3
Phase Error is too big. ....................................................................................................... 25
4.2.4
4.3
4.3.1
4.3.2
WCDMA TPC calibration .................................................................................................. 28
4.4
4.4.1
ACLR or SEM .................................................................................................................... 29
4.4.2
4.4.3
FrequencyErr ..................................................................................................................... 29
4.5
............................................................................................................................... 30
Content
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. ......................................................................................... 8
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. ................................................................................................... 20
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Page 2
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