Search: CM4350
Results: 11
Results: 11
CM4350 Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| LG |
CM4350
|
After being connected for a while, the device turns off and does not turn on again (5v power supply drops to around 2.4v) | Check the 6v2 zener diode zd902 and photo coupler pc901 tsound must be 1.6v on pin 4 if it is low, replace both. | Eletronica Oliveira | |
| LG |
CM4350
|
It gives sound for 1s and goes into protection mode. | Pc903 | Changing the photo coupler pc903 | Ogeid |
| LG |
CM4350
|
No sound. 5v normal but 12v and 28v appears, but then drops | R709 (3r3) that feeds the open output switching. | Tecnoprom | |
| LG |
CM4350
|
Does not turn on, inoperative, no voltage 5.6v | Power supply mosfet transistor shorted. | Replace with an 08n80c3 or equivalent. After the replace, the sound worked again. | Tiago C. Neves |
| LG |
CM4350
|
Completely erased without the 5.6 votes from the power supply | Burst resistor, open in the primary power supply r 903 of 0.75Ω | Galileu Rocha | |
| LG |
CM4350
0000 |
Don't read cd | Flat detached from the correct position | Just returns correct location and paste good luck! | Jhone eletronica |
| LG |
CM4350
|
Without sound and then protection activates | Ic 931 78r12 dando 8v | Replace ci 78r12 | JRN |
| LG |
CM4350
|
5v low power supply | Zd902 6v2 | Replace the diode | Mario cesar aguas belas |
| LG |
CM4350
|
It doesn't turn on, or keeps changing functions, as if it were a defect in the panel switches. | Short between the key tracks and ground. | PardalX | |
| LG |
CM4350
|
Sometimes it calls, sometimes it doesn't, it calls whenever it wants. | Zd902 (6v2) | The zener diode was giving 2v being 6v2. | Vander CDs de Quixadá - CE |
| LG |
CM4350-AB
|
When turning on it comes with sound when increasing it cuts the sound | A lot of cold soldering and the oxidized photocoupler pc903 changes and runs into the hug | vanderlei de jesus barbosa |