Table of Contents
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Checking Flow
Turn On the sound
Check the voltage level
of TP1 = VBAT ?
Check the signal of
Check the Level of
Check the signal of
Check the Contact of
Try again or Change PCB
Start
YES
TP2 & TP3
YES
TP4 = High ?
YES
TP5 & TP6
YES
Speaker
NO
Check the Battery
NO
Check U101(EGV)
NO
Check U101(EGV)
NO
Re-solder L301,L302
NO
Re-assemble or replace
Speaker
62
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