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CM4330 TV Repair: Common Faults and Solutions.





Search: CM4330
Results: 12

CM4330 Repair Guide: Common Issues and Fixes

Repair tips, common issues and fixes.
Brand Model Fault Detailed Problem Solution By
LG CM4330
CM4330
Went into protection when increasing the volume Aclopador pc902 Resolved a hug dinetronic
LG CM4330
Turns on without sound, after a few seconds it goes into protection 20v zener diode shorted zd905 in front of mosfet q902 Replace PATRICK ELETRÔNICA
LG CM4330
Intermittent, sometimes it turns on normally, other times it turns on a squeaky sound and goes into protection! Altered zd904 diode, in the test it may appear as normal! Replace without measuring! Doremilton
LG CM4330
League for 30 seconds enter sprotectio C726 curto.ao side ci audio Replace it and it's zero again George Eletrônica Milênio
LG CM4330
Turns on, reads pen drive without sound and goes into s-protection Q953 heating up a lot, I put an inverted tip41 and it worked. Replace Marcondes Ohm Eletrônica Jaicós PI
LG CM4330
Works for a few minutes and goes into s-protection Defective pc903 coupler photo Replace pc903 SILNEI
LG CM4330
Don't care, power supply ok! When activating the power, you will notice a slight blinking in the LEDs around the vol knob. Ic701 burst. Replace ic701, tas5612la. BRITO
LG CM4330
Doesn't start Diode d923 Just replace. ELETRONICA LINE ORG CICERO LIMA
LG CM4330
CM
It turned on, read the pen drive and turned off After a lot of testing I discovered the transistor q-953 in the test it looked good but the original was open and an ST25c I replaced it with a tip41c Replace it for another equal one or a tip41c solves it ELETRÔNICA CAVALCANTE MARTINÓPOLE-CE
LG CM4330
Works for a few minutes, without sound and goes into s-protection Fotoaclopador Replace of the same RAFAEL
LG CM4330 EAX64991501
Sometimes it turns on, sometimes it doesn't. 6v2 zener diode, position zd902 and 6.8nano polyester capacitor position c908, changed. Swap 6v2 for 8v2/1w and 6.8nano for 10n/50v and that's it... LUCIANO ALQUEJA
LG CM4330
Works for a few minutes, then the sound disappears and goes into s-protection Check the 26v voltage on pin 15 of the cn901 connector, if it varies, check the zd904 10v diode WILLIAM C.M.