4. TROUBLE SHOOTING
- 92 -
SETTING : After initialize Agilent 8960, Test EGSM, DCS, PCS mode
Set the property of audio as PRBS or continuous wave. Set the receiving volume of mobile as Max.
Replace the Main board.
ABB is out of order.
START
Check the signal level of
RCV_P & RCV_N at R114, R116.
Are these levels about 1.2V?
Check the signal level of
SPK_RCV_SEL.
Is it almost 0?
Yes
No
No
Yes
Check the contact state of dual
mode speaker.
Replace the dual mode speaker
The dual mode speaker will work
properly.
No
Check the soldering
R114 & R116
No
Yes
Re-soldering
R114, R116
Replace U204
Check again
Check again
Yes
Checking Flow
Summary of Contents for M6100
Page 1: ...Date February 2006 Issue 1 0 Service Manual Model M6100 Service Manual M6100 ...
Page 3: ... 4 ...
Page 15: ...3 TECHNICAL BRIEF 16 Figure 3 1 SKY74400 FUNCTIONAL BLOCK DIAGRAM ...
Page 40: ...3 TECHNICAL BRIEF 41 3 7 CAMERA IC AIT813 U701 Figure 3 18 AIT813 APPLICATION BLOCKDIAGRAM ...
Page 42: ...3 TECHNICAL BRIEF 43 3 8 MIDI IC YMU787 U708 Figure 3 20 YMU787 BLOCKDIAGRAM ...
Page 63: ...4 2 TX Trouble 4 TROUBLE SHOOTING 64 SKY74400 FEM 13Mhz OSCILLATOR TEST POINT Figure 4 2 ...
Page 98: ...4 TROUBLE SHOOTING 99 4 16 Camera and Flash Trouble Camera Module CN802 U704 U705 Figure 4 17 ...
Page 109: ... 110 ...
Page 119: ... 120 8 PCB LAYOUT ...
Page 120: ... 121 8 PCB LAYOUT ...
Page 121: ... 122 8 PCB LAYOUT ...
Page 122: ... 123 8 PCB LAYOUT ...
Page 123: ... 124 ...
Page 131: ...10 STAND ALONE TEST 132 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Page 137: ... 138 ...
Page 159: ...Note ...
Page 160: ...Note ...