![background image](http://html.mh-extra.com/html/samsung/gt-i8000-extended-usage-guide/gt-i8000-extended-usage-guide_service-manual_1192462036.webp)
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-8
This Document can not be used without Samsung's authorization
9-3. SPEAKER Working
C9,B9 Pin in U702
Signal ON ??
Check PIN C1,C2,D1,D2 in U704
A3, K12 Pin in U10000
Signal ON ??
Operator Speaker
SPK-Assy's Breakdown?
Check PIN H1,H2 in U702
Change SPK-Assy's
No
No
No
Yes
No
No
Yes
Yes
B5,D5 Pin in U704
Signal ON ?
Check R719,R720
Yes
END