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LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
4.18.2 Checking Switch Block power source
*
Before Checking this part, must check common power source(through Veronica)
part
TP Command
MODE=0
SWRX=64,1024
Open?
High?
OK?
Resoldering
Check each mode
By TP command
Change the Board
No
No
No
Yes
Yes
Yes
Check soldering
(C105)
Check Soldering
It is necessary to check short condition.
Using Tester. Check 3 capacitors
ANTSW0(C105),ANTSW1(C110)
ANTSW2(C109)
Check ANTSW0(C105)
To check Switch input power source
Содержание KU580
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