4. TROUBLE SHOOTING
- 64 -
4.12 SIM Detect Trouble
4.12 SIM Detect Trouble
Setting : Insert the SIM into J301. Connect PIF to the phone, and power ON
START
Does the SIM supports
3V?
Voltage at pin 1 of
J500 = 2.85V ?
Change the SIM and try
again. Does it work
properly?
Change the SIM. Our phone supports 3V SIM only.
Replace U301.
Yes
No
No
Yes
Voltage at pin 18 of
U301 = 2.85V ?
No
Check the soldering
condition of J500.
Re-solder J500
Yes
No
Yes
Check the contact between
J500 and SIM card.
Replace J500
No
Yes
The SIM is malfunctioned.
Change the SIM.
Yes
Does it work properly after
re-downloading SW ?
Change
the main
board.
SIM will be detected.
No
No
Yes
JJ550000
PPIIN
N 11
Figure 4-27
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Содержание G1610
Страница 1: ...Service Manual Model G1610 Service Manual G1610 P N MMBD0045701 Date February 2005 Issue 1 0 ...
Страница 52: ...4 TROUBLE SHOOTING 51 Graph 4 14DCS TX Graph 4 15EGSM TX VC1 VC2 VC1 VC2 VC1 VC2 VC1 VC2 ...
Страница 70: ...5 DISASSEMBLY INSTRUCTION 69 5 DISASSEMBLY INSTRUCTION Figure 5 1 Figure 5 2 ...
Страница 71: ...5 DISASSEMBLY INSTRUCTION 70 Figure 5 3 Figure 5 4 ...
Страница 72: ...5 DISASSEMBLY INSTRUCTION 71 Figure 5 5 ...
Страница 73: ...5 DISASSEMBLY INSTRUCTION 72 Figure 5 6 1 3 2 4 Figure 5 7 1 2 3 ...
Страница 74: ...5 DISASSEMBLY INSTRUCTION 73 Figure 5 8 4 2 3 1 2 1 Figure 5 9 ...
Страница 75: ...5 DISASSEMBLY INSTRUCTION 74 Figure 5 10 ...
Страница 82: ...6 DOWNLOAD AND CALIBRATION 81 11 Wait until Sending Block is completed 1 Wait Until Sending Block is completed ...
Страница 86: ...7 BLOCK DIAGRAM 85 7 BLOCK DIAGRAM Power supply ...
Страница 87: ... 86 ...
Страница 101: ...11 STAND ALONE TEST 100 11 2 Standalone Test Equipment Setup GSM Test Equipment Power Supply RS 232 Cable PC JIG Phone ...
Страница 108: ...12 AUTO CALIBRATION 107 12 3 Equipment Setup Figure 12 1 Equipment Setup ...
Страница 111: ...12 AUTO CALIBRATION 110 ...
Страница 113: ...13 EXPLODED VIEW REPLACEMENT PART LIST 112 ...