Service Manual
Page 6
... Read-Only Memory Electrostatic Discharge Flexible Printed Circuit Board GMSK GPIB GSM IPUI IF Gaussian Minimum Shift Keying General Purpose Interface Bus Global System for Mobile Communications International Portable User Identity Intermediate Frequency LCD LDO LED OPLL Liquid Crystal Display Low Drop Output Light Emitting Diode Offset Phase Locked Loop -7-
... Read-Only Memory Electrostatic Discharge Flexible Printed Circuit Board GMSK GPIB GSM IPUI IF Gaussian Minimum Shift Keying General Purpose Interface Bus Global System for Mobile Communications International Portable User Identity Intermediate Frequency LCD LDO LED OPLL Liquid Crystal Display Low Drop Output Light Emitting Diode Offset Phase Locked Loop -7-
Service Manual
Page 14
... an integrated PA Control (iPAC) function, fully integrated into a single module. The SKY74400 power transceiver is a highly integrated device for quad-band Global System for Mobile Communications (GSM), General Packet Radio Service (GPRS), and Enhanced Data for the synthesizer is designed with an internal current-sense resistor. - 15 - The receiver path...
... an integrated PA Control (iPAC) function, fully integrated into a single module. The SKY74400 power transceiver is a highly integrated device for quad-band Global System for Mobile Communications (GSM), General Packet Radio Service (GPRS), and Enhanced Data for the synthesizer is designed with an internal current-sense resistor. - 15 - The receiver path...
Service Manual
Page 58
TROUBLE SHOOTING Checking Flow START HP8960 : Test mode 62 CH, 7 level setting (TCH) 62CH, -60dBm setting (BCCH) Spectrum analyzer setting Oscilloscope setting Check VCTCXO Check FEM & Mobile SW Check RX IQ Redownload SW or Do calibration again - 59 - 4.
TROUBLE SHOOTING Checking Flow START HP8960 : Test mode 62 CH, 7 level setting (TCH) 62CH, -60dBm setting (BCCH) Spectrum analyzer setting Oscilloscope setting Check VCTCXO Check FEM & Mobile SW Check RX IQ Redownload SW or Do calibration again - 59 - 4.
Service Manual
Page 59
Graph 4-2(b) No Check Pin 4. No Yes VCTCXO Circuit is OK See next Page to Graph 4-1(b) 13 MHzO.K? TROUBLE SHOOTING (1) Checking VCTCXO Circuit TEST POINT Checking Flow Check Pin 3. Refer to check ANT SW & Mobile SW Yes Changing X501 Check U101 CIRCUIT AFC R507 10K C533 1000p Waveform X501 2 GND VCC 4 VCONT OUT 1 3 13MHz 2V75_VVCXO C532 2.2u (1608) Graph 4-2(a) - 60 - Refer to Graph 4-1(a) 2.75V OK? 4.
Graph 4-2(b) No Check Pin 4. No Yes VCTCXO Circuit is OK See next Page to Graph 4-1(b) 13 MHzO.K? TROUBLE SHOOTING (1) Checking VCTCXO Circuit TEST POINT Checking Flow Check Pin 3. Refer to check ANT SW & Mobile SW Yes Changing X501 Check U101 CIRCUIT AFC R507 10K C533 1000p Waveform X501 2 GND VCC 4 VCONT OUT 1 3 13MHz 2V75_VVCXO C532 2.2u (1608) Graph 4-2(a) - 60 - Refer to Graph 4-1(a) 2.75V OK? 4.
Service Manual
Page 60
TROUBLE SHOOTING CIRCUIT ANT_SW3 ANT_SW2 ANT_SW1 Waveform C505 27p C506 27p C507 27p FL501 VC3 12 VC2 9 VC1 11 GSM1900_RX GSM1800_RX 6 4 GSM900_RX 2 GND7 16 GND6 15 GND5 14 GND4 GSM18001900_TX 7 GND3 GSM900_TX 8 5 10 GND2 3 1 GND1 LMSP54LA-445TEMP DCS_PCS_TX GSM900_TX FEM Control GSM& DCS Graph 4-3(a) ANT 13 FEM Control PCS Graph 4-3(b) - 61 - (2) Checking FEM & Mobile SW TEST POINT 4.
TROUBLE SHOOTING CIRCUIT ANT_SW3 ANT_SW2 ANT_SW1 Waveform C505 27p C506 27p C507 27p FL501 VC3 12 VC2 9 VC1 11 GSM1900_RX GSM1800_RX 6 4 GSM900_RX 2 GND7 16 GND6 15 GND5 14 GND4 GSM18001900_TX 7 GND3 GSM900_TX 8 5 10 GND2 3 1 GND1 LMSP54LA-445TEMP DCS_PCS_TX GSM900_TX FEM Control GSM& DCS Graph 4-3(a) ANT 13 FEM Control PCS Graph 4-3(b) - 61 - (2) Checking FEM & Mobile SW TEST POINT 4.
Service Manual
Page 61
... ≈ 0mA 10mA Max - 62 - Check RF Level of FL501.6 (for GSM) & FL501.4 Pin6 : ~ -62dBm No (for DCS) & FL501.2 (for PCS) Pin 4,2 : ~ -63dBm Yes FEM & Mobile SW is needed Check SW500 Pin ANT,RF with No RF Cable Connected Check C505,C506,C507 Check whether FEM Set as RX mode Refer...
... ≈ 0mA 10mA Max - 62 - Check RF Level of FL501.6 (for GSM) & FL501.4 Pin6 : ~ -62dBm No (for DCS) & FL501.2 (for PCS) Pin 4,2 : ~ -63dBm Yes FEM & Mobile SW is needed Check SW500 Pin ANT,RF with No RF Cable Connected Check C505,C506,C507 Check whether FEM Set as RX mode Refer...
Service Manual
Page 64
4. TROUBLE SHOOTING Checking Flow START HP8960 : Test mode 62 CH, 7 level setting (TCH) 62CH, -60dBm setting (BCCH) Spectrum analyzer setting Oscilloscope setting Check VCTCXO Check FEM & Mobile SW Check PAM SIGNAL Check TX IQ Redownload SW or Do calibration again - 65 -
4. TROUBLE SHOOTING Checking Flow START HP8960 : Test mode 62 CH, 7 level setting (TCH) 62CH, -60dBm setting (BCCH) Spectrum analyzer setting Oscilloscope setting Check VCTCXO Check FEM & Mobile SW Check PAM SIGNAL Check TX IQ Redownload SW or Do calibration again - 65 -
Service Manual
Page 65
TROUBLE SHOOTING (1) Checking VCTCXO Circuit TEST POINT Checking Flow Check Pin 3. No 2.75V OK? Refer to check ANT SW & Mobile SW Changing X501 CIRCUIT AFC R507 10K C533 1000p X501 2 GND VCC 4 VCONT OUT 1 3 13MHz 2V75_VVCXO C532 2.2u (1608) Waveform Graph 4-6(a) - 66 - 4. Yes No Check U101 VCTCXO Circuit is OK See next Page to Graph 4-1(a) Yes 13 MHzO.K? Graph 4-6(b) Refer to Graph 4-1(b) Check Pin 4.
TROUBLE SHOOTING (1) Checking VCTCXO Circuit TEST POINT Checking Flow Check Pin 3. No 2.75V OK? Refer to check ANT SW & Mobile SW Changing X501 CIRCUIT AFC R507 10K C533 1000p X501 2 GND VCC 4 VCONT OUT 1 3 13MHz 2V75_VVCXO C532 2.2u (1608) Waveform Graph 4-6(a) - 66 - 4. Yes No Check U101 VCTCXO Circuit is OK See next Page to Graph 4-1(a) Yes 13 MHzO.K? Graph 4-6(b) Refer to Graph 4-1(b) Check Pin 4.
Service Manual
Page 66
(3) Checking Ant SW & Mobile SW TEST POINT 4. TROUBLE SHOOTING ANT 13 CIRCUIT ANT_SW3 ANT_SW2 ANT_SW1 C505 27p C506 27p C507 27p FL501 VC3 12 VC2 9 VC1 11 GSM1900_RX GSM1800_RX 6 4 GSM900_RX 2 GND7 16 GND6 15 GND5 14 GND4 GSM18001900_TX 7 GND3 GSM900_TX 8 5 10 GND2 3 1 GND1 LMSP54LA-445TEMP DCS_PCS_TX GSM900_TX Waveform VC1 LOW VC2 LOW VC3 HIGH Graph 4-7(a) FEM Control EGSM VC1 LOW VC2 HIGH VC3 LOW Graph 4-7(b) FEM Control DCS & PCS - 67 -
(3) Checking Ant SW & Mobile SW TEST POINT 4. TROUBLE SHOOTING ANT 13 CIRCUIT ANT_SW3 ANT_SW2 ANT_SW1 C505 27p C506 27p C507 27p FL501 VC3 12 VC2 9 VC1 11 GSM1900_RX GSM1800_RX 6 4 GSM900_RX 2 GND7 16 GND6 15 GND5 14 GND4 GSM18001900_TX 7 GND3 GSM900_TX 8 5 10 GND2 3 1 GND1 LMSP54LA-445TEMP DCS_PCS_TX GSM900_TX Waveform VC1 LOW VC2 LOW VC3 HIGH Graph 4-7(a) FEM Control EGSM VC1 LOW VC2 HIGH VC3 LOW Graph 4-7(b) FEM Control DCS & PCS - 67 -
Service Manual
Page 91
.... No Replace the dual mode speaker - 92 - TROUBLE SHOOTING Checking Flow SETTING : After initialize Agilent 8960, Test EGSM, DCS, PCS mode Set the property of mobile as PRBS or continuous wave.
.... No Replace the dual mode speaker - 92 - TROUBLE SHOOTING Checking Flow SETTING : After initialize Agilent 8960, Test EGSM, DCS, PCS mode Set the property of mobile as PRBS or continuous wave.
Service Manual
Page 134
Push the "CALIBRATION START" button. 11. 2. AUTO CALIBRATION - 135 - Choose the Model name of mobile phone. 3. Push the "APPLY" button. 4.
Push the "CALIBRATION START" button. 11. 2. AUTO CALIBRATION - 135 - Choose the Model name of mobile phone. 3. Push the "APPLY" button. 4.
Service Manual
Page 140
...4 MTAZ01 TAPE 4 MTAZ02 TAPE 4 MWAC00 WINDOW,LCD 6 ADCA00 DOME ASSY,METAL 3 GMEY00 SCREW MACHINE,BIND 3 MCCF00 CAP,MOBILE SWITCH 3 MLAK00 LABEL,MODEL 5 ADCA00 DOME ASSY,METAL 5 MLAB00 LABEL,A/S Part Number Specification MGAD0108601 CONDUCTION FOR SLIDE MGAZ0026701 CONDUCTIVE ...Insulation Screw Right MIDZ0082301 14*9 0.05 insulator(FPCB SLIDE AREA) MLAC0003401 EZ LOOKS(user for mechanical) MPBF0013501 MRAY0003601 M6100 PLASTIC HINGE MTAB0090501 MTAZ0106101 TAPE,CONDUCTIVE (SLIDE FPCB) MTAZ0108201 TAPE, CONDUCTIVE (LCD) MTAZ0114801 Protecting From Dust MWAC0059401 WINDOW...
...4 MTAZ01 TAPE 4 MTAZ02 TAPE 4 MWAC00 WINDOW,LCD 6 ADCA00 DOME ASSY,METAL 3 GMEY00 SCREW MACHINE,BIND 3 MCCF00 CAP,MOBILE SWITCH 3 MLAK00 LABEL,MODEL 5 ADCA00 DOME ASSY,METAL 5 MLAB00 LABEL,A/S Part Number Specification MGAD0108601 CONDUCTION FOR SLIDE MGAZ0026701 CONDUCTIVE ...Insulation Screw Right MIDZ0082301 14*9 0.05 insulator(FPCB SLIDE AREA) MLAC0003401 EZ LOOKS(user for mechanical) MPBF0013501 MRAY0003601 M6100 PLASTIC HINGE MTAB0090501 MTAZ0106101 TAPE,CONDUCTIVE (SLIDE FPCB) MTAZ0108201 TAPE, CONDUCTIVE (LCD) MTAZ0114801 Protecting From Dust MWAC0059401 WINDOW...