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Sony Repair Tips




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Search: sony
Results: 20072
Make Model Symptom Problem Solution By
SONY DAV DZ820KW
I'm sound D931 shorted +b 31v BRUSKE
SONY 2970T
AA1 		Device does not turn on, protection working Horizontal drive(q502) with cold welding Resolder the same sqpester
SONY HCD-RRG66T
No sound comes out and no protection is activated, the sound output does not heat up, everything is normal (c551 and c554 overheated) audio output is open Change the audio output and the two capacitors c551 and c554. This email address is being protected from spambots. You need JavaScript enabled to view it.
SONY HCD-RRG66T
No sound comes out and no protection is activated, the sound output does not heat up, everything is normal (c551 and c554 overheated) audio output is open Change the audio output and the two capacitors c551 and c554. This email address is being protected from spambots. You need JavaScript enabled to view it.
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 This email address is being protected from spambots. You need JavaScript enabled to view it.
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