LG CMS1530F - Troubleshooting Guide; No Power and Sound Playback Issues; Playback and Radio Tuning Problems; Remote Control Functionality Issues

1. SMPS PART
PVDD
Replace F901 (Use same type fuse).
Replace D907.
Replace T901.
Replace ZD902.
YES
YES
YES
YES
YES
YES
NO
NO
NO
F901 nomal?
D907 nomal?
T901 nomal?
Replace D901 ~ D904.
Check or replace IC902.
NO
NO
D901 ~ D904 nomal?
Is VCC (9 V ~ 18 V)
supplied to IC901 pin2.
3-2
ELECTRICAL TROUBLESHOOTING GUIDE