User Guide

SAMSUNG Proprietary-Contents may change without notice
S
GH-C100 Flow Chart of Troubleshoo ting
4- 10
T
his Docu m ent can not be used w ithout Sam sung 's authoriza tion
7
.Speaker
*Play on 16-polymelody before testing.
Check the pin1 of
U 500'sclock ¡ 3.9MHz
Receiver does not w ork
C heck the pin17 & 18
of U 500 isaround
audiosignal ¡ 2V
C heck U 200
C heck U 500
Is Speaker w orking ?
END
No
Yes
Yes
No
Replace the Speaker
Yes
No
C heck the w ave of pin3
& 9 of U 502
Check U 502 and soldering
No
Yes
Check the w ave of
C 412 & C421
C heck the path from U 502 to
SPK 400
No
Yes