ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
3 5 Audio Problem
3-5. Audio Problem
3-5-2. Headphone (HP) Out No Sound
START
Sound
Headphone (HP) No Sound
Do a Factory Setting
Headphone
No Sound
Sound
HP IC (IC4001) or Main IC (IC5000)
Use another Headphone
Headphone
problem
No Sound
No Sound & Headphone OK
Change BB Board
HP IC (IC4001) or Main IC (IC5000)
problem
DONE
Change BB Board
30