A SERVICE OF

logo

SAMSUNG Proprietary-Contents may change without notice
FlowChartofTroubleshooting
7-12
This Document can not be used without Samsung's authorization
7-3. Audio Working
Speaker Working
Operate Speaker
YES
NG
9,13pin in U502
Signal ON?
Change SPK
YES
Check R201(Sub),
LCD Sub B'd &
Slide FPCB
NO
4,6,16,18pin
in U201(Sub)
Signal ON?
10pin in U502
=Low
NO
NO
Check UCD501
& Neighboring Circuits
NO
YES
35,36pin in
UCD501
Signal ON?
Change U502
YES
1,13pin in
U201(Sub)
=High
NO