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i909
Lenovo i909 Manuals
Manuals and User Guides for Lenovo i909. We have
1
Lenovo i909 manual available for free PDF download: Maintenance Manual
Lenovo i909 Maintenance Manual (32 pages)
Brand:
Lenovo
| Category:
Cell Phone
| Size: 0.73 MB
Table of Contents
Maintenance Manual
1
Mobile Phone
1
Table of Contents
3
1 Phone Exterior
5
2 Main Board Layout
7
Component Side
7
3 Baseband
9
Lcd Display
9
No Display after the Phone Is Turned on
9
The LCD Backlight Does Not Come on
10
Ringing and Vibration
11
The Unit Does Not Vibrate
11
No Ringing Sound
12
Charging
13
The Charger Has Been Connected to the Phone, but There Is no Charging Display on the Screen
13
The Screen Shows that the Phone Is Charging, but the Battery Cannot be Fully Charged
14
Keypad and Keypad Backlight
15
The Keypad Does Not Work Normally
15
The Keypad Backlight Is Inactive
16
In Call Issues
17
The Voice of the Person on the Other End of the Line Can't be Heard
17
The Person on the Other End of the Line Can't Hear My Voice
18
The Phone Cannot be Powered on
19
4 Radiofrequency (Rf)
20
Problems During Software Download
20
Production Calibration
21
AFC Calibration
21
Rx Path Loss
22
Pcl
22
Testing of the Unit/Problems During Repair
24
Switch Spectrum and Ramp Mask Overrun
24
Significant Frequency Error
25
Significant Phase Error
25
Power Output Problems
26
5 Assembly and Disassembly of the I909
28
Technical Steps for I909 Assembly
28
I909 Parts Layout
30
Precautions During the Assembly of the I909
31
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