LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
5. Trouble shooting
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START
Input Signal is
High(TP1 C206,
TP2 C207) ?
Output Signal is
High(TP3 C212,
TP4 C213)?
Replace Main Board
Replace Audio
AMP(U200).
Check Speaker ís
Contacts are clear.
Yes
Resolder/Replace
Speaker
No
No
Yes
No
Yes
Signal is
High(L400,
L403)?
No
Replace L400 , L403
Yes
Assemble
Speaker contact
L403
L400
Содержание KP500
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