4. TROUBLE SHOOTING
- 68 -
Bluetooth
Power on
Yes
Yes
Yes
Yes
Yes
Yes
Not available
Yes
Yes
OK
Yes
Yes
No
No
No
No
No
No
No
No
No
No
Bluetooth
Power off
Connect BT Headset
Replace Headset
Establish a Call
Is PCM_RX similar to Fig.3
Fig.3?
Check 2V8_VBT
PCB pattern
Replace U100
Replace U100
Replace U100
Replace M1
Replace U100
Replace M1
Replace M1
Resolder
Replace (U603)
2V8_VBT at C663=2.8V?
2V8_VBT at C663=2.8V?
BT_EN at
R660=2.8V?
Is BLUE_RST signal shape similar
to Fig.1 during powering on Bluetooth?
Is DEBUB_TX signal shape similar to
Fig.2 during powering on Bluetooth?
Is DEBUB_RX signal shape similar to
Fig.2 during powering on Bluetooth?
Is RF Power Level at
Antenna feeding about OdBm?
Are PCM_SYNC8, PCM_TX, USCC
similar to Fig.3?
Re-download
software
Is Soldering of R643, L601
R666, Ant1 good?
Figure 4-32 Blue_RST
BLUE_
RST
Figure 4-33 DEBUG_Tx, Rx
DEBUG
_TX
DEBUG
_RX
Figure 4-34 PCM_SYNCS, Tx, Rx, USC0
PCM_SY
NC8
PCM_TX
PCM_RX
USC0
(Clock)
Figure 4-34 PCM_SYNCS, Tx, Rx, USC0
Figure 4-32 Blue_RST
Figure 4-33 DEBUG_Tx, Rx
Summary of Contents for G1610
Page 1: ...Service Manual Model G1610 Service Manual G1610 P N MMBD0045701 Date February 2005 Issue 1 0 ...
Page 52: ...4 TROUBLE SHOOTING 51 Graph 4 14DCS TX Graph 4 15EGSM TX VC1 VC2 VC1 VC2 VC1 VC2 VC1 VC2 ...
Page 70: ...5 DISASSEMBLY INSTRUCTION 69 5 DISASSEMBLY INSTRUCTION Figure 5 1 Figure 5 2 ...
Page 71: ...5 DISASSEMBLY INSTRUCTION 70 Figure 5 3 Figure 5 4 ...
Page 72: ...5 DISASSEMBLY INSTRUCTION 71 Figure 5 5 ...
Page 73: ...5 DISASSEMBLY INSTRUCTION 72 Figure 5 6 1 3 2 4 Figure 5 7 1 2 3 ...
Page 74: ...5 DISASSEMBLY INSTRUCTION 73 Figure 5 8 4 2 3 1 2 1 Figure 5 9 ...
Page 75: ...5 DISASSEMBLY INSTRUCTION 74 Figure 5 10 ...
Page 86: ...7 BLOCK DIAGRAM 85 7 BLOCK DIAGRAM Power supply ...
Page 87: ... 86 ...
Page 108: ...12 AUTO CALIBRATION 107 12 3 Equipment Setup Figure 12 1 Equipment Setup ...
Page 111: ...12 AUTO CALIBRATION 110 ...