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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
10-12
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10-3.
SPEAKER Working
7, 9
PininU407
Signal ON
??
Check PIN
6, 10
in U407,
C477, C478
Y18, V21 Pin in UCP
Signal ON?
Operator Speaker
SPK-Assy's Breakdown?
Check PIN
5, 8
in UCD
402
Change SPK-Assy's
No
No
No
Yes
No
No
Yes
Yes
12, 14
PininU402
Signal ON
?
Check L404, L405
Yes
END