Lenovo A859 Service Manual - Page 3
Browse online or download pdf Service Manual for Cell Phone Lenovo A859. Lenovo A859 36 pages.
Also for Lenovo A859: Important Product Information Manual (23 pages), Quick Start Manual (6 pages), Quick Start Manual (13 pages), Quick Start Manual (33 pages)
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Repair Manual of Lenovo S920 Mobile Phone
APPEARANCE .............................................................................................................................. 6
1.
2.
LAYOUT OF MAIN BOARD ........................................................................................................ 7
3.
BASEBAND ................................................................................................................................... 9
3.1
......................................................................................................................... 10
3.1.1
No display on screen after power-on ................................................................................. 10
3.1.2
LCD backlight without lighting ......................................................................................... 11
3.2
................................................................................................................... 12
3.2.1
Rear camera defects .......................................................................................................... 12
3.2.2
Front camera defects ......................................................................................................... 13
3.3
.............................................................................................................. 14
3.3.1
No vibration ....................................................................................................................... 14
3.3.2
No ring ............................................................................................................................... 15
3.4
.............................................................................................................................. 16
3.4.1 No charging display after plugging the charger in ............................................................ 16
3.4.2 Charging shown but not full charging ................................................................................ 17
3.5
...................................................................................................................... 18
3.5.1 Abnormal operation of CTP keyboard ............................................................................... 18
3.6
................................................................................................................................. 19
3.6.1 No voice heard from the other side during the call ............................................................ 19
3.6.2 No voice heard from your side during the call ................................................................... 20
3.7
-
................................................................................................................ 21
3.8
RADIO FREQUENCY (RF) ........................................................................... 错误!未定义书签。
4.
4.2.1 AFC calibration.......................................................................................
4.2.2 AGC .........................................................................................................
4.2.3 APC .........................................................................................................
/
4.3.1 Switch spectrum & PVT template with excessive standard .....................
4.3.2 High Frequency Error .............................................................................
4.3.3 High Phase Error ....................................................................................
4.3.4 Power output problems ...........................................................................
4.4.1 RSSI_Cal .................................................................................................
4.4.2 TPC_Cal ..................................................................................................
4.5.1 ACLR or SEM ..........................................................................................
4.5.2 ILPC comprehensive test abnormal ........................................................
4.5.3 FrequencyErr ..........................................................................................
Content
OFF WHEN AWAY FROM THE EAR
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