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Trouble Shooting Guide, Electrical
Trouble Shooting Guide, Electrical
Applicable for W300c, W300i
Contents
1 General............................................................................................................................. 2
2 Repair Actions for Manual Test Failures ..................................................................... 3
2.1 Power On / Off .................................................................................................. 3
2.2 Software Flash ................................................................................................... 3
2.3 Charging ............................................................................................................ 3
2.4 Hands-Free connection (PHF)........................................................................... 3
2.5 SIM.................................................................................................................... 3
2.6 Charging indicator (RED LED)......................................................................... 3
2.7 Display............................................................................................................... 3
2.8 Display Illumination.......................................................................................... 3
2.9 External Display Illumination ........................................................................... 3
2.10 Keypad LEDs .................................................................................................... 3
2.11 Keypad Keys ..................................................................................................... 3
2.12 Volume Up Key................................................................................................. 3
2.13 Volume Down Key............................................................................................ 3
2.14 Music Key ......................................................................................................... 3
2.15 Vibrator ............................................................................................................. 3
2.16 Earphone (Receiver, Flip Speaker).................................................................... 4
2.17 Polyphonic Speaker (Loudspeaker, Base Speaker) ........................................... 4
2.18 Microphone ....................................................................................................... 4
2.19 Real Time Clock................................................................................................ 4
2.20 Camera............................................................................................................... 4
2.21 Flip Sensor......................................................................................................... 4
2.22 IR ....................................................................................................................... 4
2.23 Bluetooth ........................................................................................................... 4
2.24 Memory Card Reader ........................................................................................ 4
2.25 FM Radio........................................................................................................... 4
3 Repair Actions for Go/No Go Test Failures ................................................................. 4
4 Repair Actions for Calibration Routine Failures......................................................... 5
4.1 GSM 850, 900, 1800, or 1900 ........................................................................... 5
4.2 EDGE 850, 900, 1800, or 1900 ......................................................................... 5
5 Revision History.............................................................................................................. 6
4/000 21-2/FEA 209 544/600 A