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4.15 Audio Trouble Shooting
4.15.1 Receiver Path
Voice Receiver path as below:
MSM6250A Ear1ON/Ear1OP -> U605(Speaker/receiver switch) -> CN501(b’d to b’d connector)
-> MAIN FPCB(b’d to b’d connector) -> Speaker
Start
Connect the phone to network
Equipment and setup call
Setup 1KHz tone out
The sine wave appear at
Speaker soldering point?
Can you hear the tone?
YES
END
Change the speaker
Hear the tone to the receiver
NO
NO
Check connector pin and
Speaker soldering point.
Or Change the LCD FPCB
YES
The sine wave appear at
R525, R526?
Change the Main board
NO
YES
Z3X-BOX.COM
Содержание L601i
Страница 1: ...Date October 2006 Issue 1 0 Service Manual Model L601i Service Manual L601i Z 3 X B O X C O M ...
Страница 3: ... 4 Z 3 X B O X C O M ...
Страница 45: ...3 TECHNICAL BRIEF 46 Figure PM6650 2 Functional Block Diagram Z 3 X B O X C O M ...
Страница 105: ...4 TROUBLE SHOOTING 106 Audio AMP 22 and 23 pin of CN501 Z 3 X B O X C O M ...
Страница 109: ...4 TROUBLE SHOOTING 110 Ear_sense_n pin R506 R507 R505 Z 3 X B O X C O M ...
Страница 112: ...4 TROUBLE SHOOTING 113 Q400 Q401 VBAT T GND Z 3 X B O X C O M ...
Страница 121: ...5 DOWNLOAD 122 Download of Module image in progress Download process has completed successfully Z 3 X B O X C O M ...
Страница 125: ...5 DOWNLOAD 126 Click on X button to use another function Z 3 X B O X C O M ...
Страница 130: ...6 BLOCK DIAGRAM 131 6 2 Interface Diagram L601i Interface Diagram Z 3 X B O X C O M ...
Страница 132: ...6 BLOCK DIAGRAM 133 Top Side Z 3 X B O X C O M ...
Страница 133: ... Bottom Side 6 BLOCK DIAGRAM 134 Z 3 X B O X C O M ...
Страница 141: ... 142 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 142: ... 143 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 143: ... 144 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 144: ... 145 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 145: ... 146 Z 3 X B O X C O M ...
Страница 151: ... 152 Z 3 X B O X C O M ...
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Страница 176: ...Note Z 3 X B O X C O M ...
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