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[3] Troubleshooting
1.
No voice is heard and playback is impossible.
2.
Voice transmission/recording is impossible.
3.
Power dose not turn on.
4.
Battery does not charge/Charging does not complete.
5.
System settings are reset.
6.
Clock settings are reset.
7.
Vibrator does not work.
8.
Speaker does not work.
9.
The display does not appear on Main Display.
10. The display does not appear on Sub Display.
11.
Camera does not operate.
12. Sub Camera does not operate.
13. The display backlight does not turn on.
14. The Key backlight does not turn on.
15. Mobile Light does not turn on.
16. Out-of-range appears and no transmission/reception is available.
17. SD memory card is not recognised.
18. Music on SD memory card cannot be played.
19. USIM card is not recognised.
20. Bluetooth communication is impossible.
1. No voice is heard and playback is impossible.
Earpiece
Are signals sent to TP3054 and TP3055?
NO
Are signals sent to R3000 and R3037?
NO
Are signals sent to L1566 and L1567?
NO
Are signals sent to TP1215 and TP1216?
NO
R1241 and R1242 are defective.
Or IC1200 is defective.
Handsfree Microphone Unit
Are signals sent to TP1605 and TP1606?
NO
Are signals sent to R1625 and R1626?
NO
Is signal sent to R1612?
NO
IC1200, R1612 and C1614 are defective.
CONFIDENTIAL
Earpiece is defective. Or earpiece is in a poor
YES
contact with TP3054 and TP3055.
R3017A and R3016A are defective.
YES
R3000 and R3037, or the thin coaxial is defec-
YES
tive. Otherwise, the thin coaxial and the con-
nector is in poor contact.
L1566 and L1567 are defective.
YES
JK1600 handsfree earpiece, L1600, L1601,
YES
C1674 and C1675 are defective.
C1629, C1630, C1671 and C1672 are defec-
YES
tive.
IC1600, R1625 and R1626 are defective.
YES
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902SH
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