Service Manual
Page 28
...Control MMI USC Figure 3-7. AD6527B Architecture The internal architecture of AD6527B is composed of the GSM protocol stack, the MMI, and applications software such as interrupt controller, real time clock, watch dog timer, power management and a timing and control module. It also includes ...peripheral interfaces to the external Flash Memory interface. The Digital Signal Processing (DSP) subsystem primarily hosts all the GSM terminal software, including the layer 1, 2 and 3 of system peripherals such as data services, test and maintenance. The code used to the Flash ...
...Control MMI USC Figure 3-7. AD6527B Architecture The internal architecture of AD6527B is composed of the GSM protocol stack, the MMI, and applications software such as interrupt controller, real time clock, watch dog timer, power management and a timing and control module. It also includes ...peripheral interfaces to the external Flash Memory interface. The Digital Signal Processing (DSP) subsystem primarily hosts all the GSM terminal software, including the layer 1, 2 and 3 of system peripherals such as data services, test and maintenance. The code used to the Flash ...
Service Manual
Page 62
4. TROUBLE SHOOTING (4) Checking RX IQ TEST POINT Waveform CIRCUIT 1 VCC3 2 I+_TX_I+ I-_TX_I- 3 Q-_TX_Q- 4 5 Q+_TX_Q+ VCC1 6 C508 22u C509 33p C510 0.1u VBAT IP C511 39p IN QN C512 C513 C514 39p 0.1u 33p QP Checking Flow Graph 4-4 Check C512,C513. Check if there is any Major difference Refer to grapa 4-4 Similar? Yes No Replace U501 Redownload software and calibration again - 63 -
4. TROUBLE SHOOTING (4) Checking RX IQ TEST POINT Waveform CIRCUIT 1 VCC3 2 I+_TX_I+ I-_TX_I- 3 Q-_TX_Q- 4 5 Q+_TX_Q+ VCC1 6 C508 22u C509 33p C510 0.1u VBAT IP C511 39p IN QN C512 C513 C514 39p 0.1u 33p QP Checking Flow Graph 4-4 Check C512,C513. Check if there is any Major difference Refer to grapa 4-4 Similar? Yes No Replace U501 Redownload software and calibration again - 63 -
Service Manual
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Yes No Replace U501 Redownload the Software And calibrate - 70 - TROUBLE SHOOTING (5) Checking TX IQ TEST POINT Waveform CIRCUIT 1 VCC3 2 I+_TX_I+ I-_TX_I- 3 Q-_TX_Q- 4 5 Q+_TX_Q+ VCC1 6 C508 22u C509 33p C510 0.1u Graph 4-9 VBAT IP C511 39p IN QN C512 C513 C514 39p 0.1u 33p QP Checking Flow Check if there is Any Major Difference Refer to Graph 4-9 Similar? 4.
Yes No Replace U501 Redownload the Software And calibrate - 70 - TROUBLE SHOOTING (5) Checking TX IQ TEST POINT Waveform CIRCUIT 1 VCC3 2 I+_TX_I+ I-_TX_I- 3 Q-_TX_Q- 4 5 Q+_TX_Q+ VCC1 6 C508 22u C509 33p C510 0.1u Graph 4-9 VBAT IP C511 39p IN QN C512 C513 C514 39p 0.1u 33p QP Checking Flow Check if there is Any Major Difference Refer to Graph 4-9 Similar? 4.
Service Manual
Page 71
...-switch Replace U101 YES VCORE=1.8V VMEM=2.8V VEXT=2.8V VABB=2.75V VVCXO=2.75V VRTC=1.8V VSIM=2.85V (when sim card is Completed. Re-download software Does it work properly? 4. THE PHONE WILL POWER ON.
...-switch Replace U101 YES VCORE=1.8V VMEM=2.8V VEXT=2.8V VABB=2.75V VVCXO=2.75V VRTC=1.8V VSIM=2.85V (when sim card is Completed. Re-download software Does it work properly? 4. THE PHONE WILL POWER ON.
Service Manual
Page 97
Yes Yes Resolder U200 Replace ABB(U101) Open slide. Yes Close Folder or Voltage at pin 1 of U101 = 2.8V ? Yes Does it work properly ? TROUBLE SHOOTING Checking Flow START Check the magnet No in upper side Place the magnet Yes Voltage at Pin 1 of U101 = 2.8V ? Yes FOLDER WILL WORK PROPERLY. Voltage at Pin 6 of U200 =0V? No Resolder R202 & U200 No Replace U200 No Re-download software or Change the main board. - 98 - 4. No No Voltage 2V8_EXTof ABB = 2.8V?
Yes Yes Resolder U200 Replace ABB(U101) Open slide. Yes Close Folder or Voltage at pin 1 of U101 = 2.8V ? Yes Does it work properly ? TROUBLE SHOOTING Checking Flow START Check the magnet No in upper side Place the magnet Yes Voltage at Pin 1 of U101 = 2.8V ? Yes FOLDER WILL WORK PROPERLY. Voltage at Pin 6 of U200 =0V? No Resolder R202 & U200 No Replace U200 No Re-download software or Change the main board. - 98 - 4. No No Voltage 2V8_EXTof ABB = 2.8V?
Service Manual
Page 104
DOWNLOAD AND CALIBRATION C. 5. Configuration Setting Information Download speed (bps ) Start Com port End Com port USE no3.cPhreecsks Start and Wait Model DLL File select (C:\GSMULTI\Model) Phone Software select (mot,m0 file) Donít changed Frame count select ìHermesîselect in case M6100 External boot select (Only TI Model ) (External boot : G7000, G7030 ) After setting completed "OK" BTN click - 105 -
DOWNLOAD AND CALIBRATION C. 5. Configuration Setting Information Download speed (bps ) Start Com port End Com port USE no3.cPhreecsks Start and Wait Model DLL File select (C:\GSMULTI\Model) Phone Software select (mot,m0 file) Donít changed Frame count select ìHermesîselect in case M6100 External boot select (Only TI Model ) (External boot : G7000, G7030 ) After setting completed "OK" BTN click - 105 -
Service Manual
Page 105
...Test Set RS-232 Cable and Test JIG RF Cable Power Supply GPIO interface card Calibration & Final test software Test SIM Card PC (for Software Installation) Type / Model HP-8960 HP-66311B HP-GPIB Pentium II class above 300MHz B. DOWNLOAD AND ...CALIBRATION 5.2 Calibration A. Equipment Setup Brand Agilent LG LG Agilent Agilent LG GSM Test Set(8960) GPIB Cable MMoboibleileSSwwitcithchCCabalbele Power Supply GPIB Cable BBatatettreyrySSimimulualtaotror PC...
...Test Set RS-232 Cable and Test JIG RF Cable Power Supply GPIO interface card Calibration & Final test software Test SIM Card PC (for Software Installation) Type / Model HP-8960 HP-66311B HP-GPIB Pentium II class above 300MHz B. DOWNLOAD AND ...CALIBRATION 5.2 Calibration A. Equipment Setup Brand Agilent LG LG Agilent Agilent LG GSM Test Set(8960) GPIB Cable MMoboibleileSSwwitcithchCCabalbele Power Supply GPIB Cable BBatatettreyrySSimimulualtaotror PC...
Service Manual
Page 128
... only used by neither engineers nor users. 9.5 Call timer [MENU 5] This menu is NOT a necessary menu to be restored again. 9.7 S/W version This displays software version stored in the phone. - 129 - cannot be used during the Manufacturing process. 2 Servicemen should NOT progress this procedure set the Digital Audio Interface Mode for Speech Transcoder...
... only used by neither engineers nor users. 9.5 Call timer [MENU 5] This menu is NOT a necessary menu to be restored again. 9.7 S/W version This displays software version stored in the phone. - 129 - cannot be used during the Manufacturing process. 2 Servicemen should NOT progress this procedure set the Digital Audio Interface Mode for Speech Transcoder...