Speaker Part - Samsung SGH-C450 Service Manual

Flow Chart of Troubleshooting

9-8. Speaker Part

Speaker does not work
Yes
Check L407 and L408
OK
Check Pin #15, #17 of
U401
OK
Check R410 and R415
OK
Check UCP200
OK
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Not OK
Solder L407 and L408 again
Not OK
Not OK
Solder R410 and R415 again or
Not OK
9-16
Not OK
Replace the speaker
Solder U401 again
replace U401
Replace UCP200