User Guide

5-11 Flow chart of trouble shooting and Circuit Diagram
5-6 Speaker Part
Speaker does not work
Resoler J101
J101 pin 2, 3 = short
Is Speaker working? Replace the Speaker
END
No
J101 pin 2, 3, 6 = 1.5V?
No
Yes
Yes
Yes
CN 105 pin 22, 23 = 1.5V?
No
Yes
Check
the depression of
the SPK pins
No
Yes
Yes
No
Replace the PBA
Resolder CN105
Modify the SPK pins