- 45 -
SETTING : Connect PIF to the phone, and Power on.
Enter the engineering mode, and set "Melody on" at Buzzer of BB test menu.
No
Yes
Check the soldering
of U603
No
Yes
Yes
No
No
Yes
START
Voltage across
C620,C619
Is over 2.8 V?
Check the signal level of
Pin11,12 and P13,14 of
CN1
Check the soldering
of Pin11,12 and
P13,14 of CN1
Check the state of
contact of dual mode
speaker
Speaker will work
properly
Change Main Board
Internal pattern is opened
Re-soldering U603
Replace U206
Re-soldering
CN300 or CN602
Replace
speaker
No
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Содержание CE500
Страница 1: ...Service Manual Model CE500 Service Manual CE500 Date September 2005 Issue 1 0 Z 3 X B O X C O M ...
Страница 3: ... 4 Z 3 X B O X C O M ...
Страница 14: ...3 Technical Brief 15 3 1 4 Digital Baseband DBB Processor Block diagram of the AD6532 Z 3 X B O X C O M ...
Страница 36: ...4 TROUBLE SHOOTING 37 Test Point VEXT VRTC VMEM VINT VSIM VPLL VUSB VABB VTCXO VCORE VMIC Z 3 X B O X C O M ...
Страница 77: ...4 TROUBLE SHOOTING 78 5 Check Tx I Q TXQP TXQN TXIN TXIP U704 Test Point Z 3 X B O X C O M ...
Страница 85: ...Note 86 Z 3 X B O X C O M ...
Страница 93: ... 94 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 94: ... 95 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 95: ... 96 Z 3 X B O X C O M ...
Страница 103: ...9 CALIBRATION 104 L Standalone Test Equipment Setup Oscilloscope Z 3 X B O X C O M ...
Страница 105: ... 106 Z 3 X B O X C O M ...
Страница 127: ...Note 128 Z 3 X B O X C O M ...