Shenzhen Walida After-sale Service Department
SG3318 Trouble shooting and maintainence
Replace PCB
Check U200and U201
If FPC is normal
?
Replace PCB
All channels have no sound
Replace FPC or check B400
Confirm which channel has no
sound
Check U100
MP3 has no sound or no
receiving voice
?
Replace corresponding speaker
Replace PCB
Replace speaker
Replace FPC or
check B400
If FPC is normal
No sound from speaker?
Check speaker
Replace speaker
Replace PCB
If FPC is normal
repairing process for
“
No sound
”
Technical
After –sale
Содержание SG3318
Страница 1: ...Manual for after Sales Services ...
Страница 5: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models 4 Appearance ...
Страница 7: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models ...
Страница 15: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models 四 Hardware Circuit 1 7 1 ...
Страница 16: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models ...
Страница 17: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models 2 7 2 ...
Страница 18: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models 3 7 3 ...
Страница 19: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models 4 7 4 ...
Страница 20: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models 5 7 5 ...
Страница 21: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models 6 7 6 ...
Страница 22: ...Shenzhen Wanlida After sale Service Department SG3318 Introduction to models 7 7 7 ...