4. TROUBLE SHOOTING
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4.16 Audio Trouble Shooting
4.16.1 Receiver Path
Voice Receiver path as below:
MSM6250A Ear1ON/Ear1OP -> CN500(b’d to b’d connector) -> Slide FPCB (b’d to b’d connector) ->
Receiver
Start
Connect the phone to network
Equipment and setup call
Setup 1KHz tone out
The sine wave appear at
Receiver soldering point?
Can you hear the tone?
YES
END
Change the Receiver
Hear the tone to the receiver
NO
NO
Check connector pin and
Receiver soldering point.
Or Change the Slide FPCB
YES
The sine wave appear at
CN500 Pin_48, 49?
Change the Main board
NO
YES
Z3X-BOX.COM
Содержание L602i
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Страница 46: ...3 TECHNICAL BRIEF 47 Figure PM6650 2 Functional Block Diagram Z 3 X B O X C O M ...
Страница 71: ...4 TROUBLE SHOOTING 72 4 2 SIGNAL PATH WCDMA Tx PATH WCDMA Rx PATH Z 3 X B O X C O M ...
Страница 83: ...4 TROUBLE SHOOTING 84 4 5 5 Check RF Rx Level TP1 TP3 TP4 Bias1 TP2 Z 3 X B O X C O M ...
Страница 101: ...4 TROUBLE SHOOTING 102 LCD Control data flow Z 3 X B O X C O M ...
Страница 109: ...4 TROUBLE SHOOTING 110 AUDIO AMP R502 C501 R503 FP500 501 CN600 PIN 14 15 Speaker Soldering Point Z 3 X B O X C O M ...
Страница 113: ...4 TROUBLE SHOOTING 114 Z 3 X B O X C O M ...
Страница 126: ...5 DOWNLOAD 127 Download of Module image in progress Download process has completed successfully Z 3 X B O X C O M ...
Страница 130: ...5 DOWNLOAD 131 Click on X button to use another function Z 3 X B O X C O M ...
Страница 134: ...6 BLOCK DIAGRAM 135 Table 2 1 1 RF Block Component Z 3 X B O X C O M ...
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