Sony Repair Tips
Search: sony
Results: 20088
Results: 20088
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
KV2170
|
Dark image, little contrast. | Following the abl pin on the flyback I reached diode d308 which is close to the microprocessor, it was leaking. | Replace the d308 diode with one in 4148. problem solved. | FRANCISCO
|
| SONY |
KV-29FS140
|
Image with cushion effect, pin does not work. | Substituir c567 (750nf x 250v) | Persio | |
| SONY |
KVM-2100E
|
The sound went down | A broken solder point | xico cabanas | |
| SONY |
LBT-N355
MDKI P3X |
The relay is not activating | Cold solder on voltage divider 7805 | celson rodrigues alves | |
| SONY |
KV2170T
|
Blink the LED 3 times then it turns off with a sound. | Rakhkh (read) | luciano fontes de souza | |
| SONY |
KV2178
|
Turns on after 2 minutes turns off. | R559(1k) remove from the circuit | luciano fontes de souza | |
| SONY |
KV-2959T
|
No sound in rf, only has sound in av | Take it out of sap mode via the menu, if tsound is still no sound, resolder the selector at the back wsound tsound are the r and l outputs | BRUSKE | |
| SONY |
KV-2959T
|
Heats up and burns the 2 transistors of the power supply q601-q602 | Resistor r644 6.8 open | JOACYR | |
| SONY |
KV140MG
SCC-K38A-A |
No image, high voltage | Ik circuit triggering | Three 1k resistors were placed from pins 1,2 and 3 of the cn703 connector to pin 6, the ik circuit started to receive signals from the other amplifiers, allowing operation, then, I could see that the transistor q731 stopped working, causing the ik circuit to activate | djalma milan |
| SONY |
MHC-DX5
|
Triggers protection when increasing the volume even without speakers | Open transistor collector emitter junction q 503 2sa 998 | ERSIO | |
| SONY |
KV-28LS60
AE6B |
Doesn't start | It didn't turn on, it had a short tansistor tc5696 transistor irf614 smd transistor position q8822 bc847 and 2 resistances of 0.47 homios in parallel to the output of the line transformer | Replace line transformer | andre15mendes_slb |
| SONY |
KV-29FX20E
FE-1A |
Turns on, tries to start, turns off, LED flashes 2x | C654 (+60v), ic603 (se135n +35v) | joaquim cunha | |
| SONY |
KV-28WF3E
AE-4 |
When turned on, it turns off quickly, the LED is off | In the power supply module r601 (0.47r), q601 and q602 (but12af) | joaquim cunha | |
| SONY |
KV2162-2163-2158
KV |
Contosh-short-start power supply c 4833 | Cap. c624 2,2 450v | C4833 tnbm funciona but11a/f | jaja |
| SONY |
KV-21FX30E -FE-2
FE2 |
TV does not start, LED blinks twice (OCP detect activated) | R618 of 270k changed. | Ermendes | |
| SONY |
KV200* -VARIOS MODELOS
|
Change channels by pressing the volume + key, or another control key on the TV | Poor 5v filtering | Put a 100k to 220k capacitor on the 5 volt power supply, put a 1k-10k capacitor in parallel on the switch that is causing the problem | Andrade Sequeira |
| SONY |
KV-C2903E
BE-3C |
Relay turns on and off continuously | R611 open | americo200 | |
| SONY |
DVP-NS50P
|
Intermittent operation, that is, sometimes it turns on and sometimes it doesn't | Replace diodes d315, d317 and c316 | tony eletronica | |
| SONY |
KLV-V26A10E LCD
|
Fault with the following symptom: the TV turns on, it starts up, sounds for two seconds and goes silent, no image appears but tsound are menus. | It was due to the 3.9v zener (d4003), as well as the 220uf (6.3v) electrolytic capacitor c4048. | chip | |
| SONY |
KV-1441B
|
Deleted in std-by | After preparing the power supply, check the 270k resistor |