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4.10 Vibrator Trouble
Block Diagram
Vibrator Operation
• Vibrator is controlled by MIDI chip
• When vibrator signal is high, vibrator is enabled
Check Points
• VCC lines (V_SRAM) of MIDI chip
• Vibrator signal path
• The connection between the main board and vibrator module
• The soldering of socket
• The Vibrator (PORON t=2.5mm)
Trouble Shooting Setup
• Connect PIF to the phone, and power on.
• Enter the engineering mode.
• Go to menu "Baseband → Alert → Vibrator"
Check
PORON t=2.5mm
Trouble Shooting Procedure
Vibrator
Vibrator Signal
-64-
• Check vibrator signal
• Check soldering of components
• Check connection of cable-to-socket
• Check vibrator PORON thickness
Check
soldering !
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