LG W081CM - Page 23

Possible Trouble 1 The unit does not operate.
NO
Is the Trans input power
Ш ELECTRICAL PARTS TROUBLESHOOTING GUIDE: M1203R/WM-1211
AC 115V?
Is the Trans output power
about AC 14V?
Is output Voltage of ICO1D NO
DC 12V?
Is output Voltage of ICO2D
DC 5V?
İs the reset circuit all right? NO
Is shorted the Trans. output?
* Check the Fuse.
* Check the wiring diagram.
* Check the Main
PCB pattern.
* Exchange the Trans.
* Exchange D02D-D05D.
* Exchange ICO1D.
* Exchange ICO2D.
(The No.16 of
Micom is 5V.
connection between NO
* Exchange ICO1A, СО2А.
AA
Main and Display
NO
Is the voltage No.20 of Micom
YES
Exchange Main PCB Ass y.
|
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4% S
= REGISTERED ©;
SION
pattern.
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