Dicas Reparação
Modelo - Chassis TAAV411
Pesquisa: TAAV411 Enviar Dica Resolvida
Resultados 9
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | TAAV411 | UNIT HAS NO AUDIO - RESOLDERED J501-6 GROUND | No audio output. Audio going into IC502 was OK but had nooutput. IC502 was extremely hot. Found pin 11 of IC502 at -2.1 volts.Traced to IC953 and found center pin (ground) on IC953 at 10 volts. | ||
| Sony | TAAV411 | NO DOLBY SURROUND WITH NON-SONY VCRS - AUDIO OUT OF PHASE | Customer had JVC HiFi VHS vcr and above Sony amp. When playingback Dolby movies, he had no sound in rear channels. Servicer, RuckersRadio & TV, found that two other JVC models and a Fisher model had samesymptom. However, Sony SLV-585HF and SL-HF Beta mo | ||
| Sony | TAAV411 | INCORRECT MARKING ON PCB OF IC304 -USE SCHEM TO MATCH PINOUT | Found IC304 board marking for Pin #1 and IC notch are notcoordinated correctly. | ||
| Sony | TAAV411 | LOW SURROUND OUTPUT - REPLACED IC101 | Low surround output (intermittantly no audio from input selectas well). Found data to surround process IC and input select ICintermittent. | ||
| Sony | TAAV411 | VERY WEAK SOUND IN ANY INPUT - IC502 FAULTY 8-759-805-14 | Weak sound from any mode input. | ||
| Sony | TAAV411 | LOW REAR CHANNEL OUTPUT - IC404 FAULTY 8-759-820-11 | There was low output from the rear channel in surround mode. | ||
| Sony | TAAV411 | Q705, Q707 OVERHEAT - R723 NOT CONNECTED AS SHOWN S/M | The unit was in protect so I performed service bulletinHFP0264. The unit then operated OK but Q705 and Q707 were running hot totouch and were discolored. The tech found R723 is not connected as shownin the schematic, but instead is connected as shown i | ||
| Sony | TAAV411 | AUDIO HUM IN ALL MODES - BROKEN SOLDER CONNECTION ON C954 | Unit had bad hum in audio (all modes). Additionally, I neverapply power to a TA-AV411 before carefully inspecting solder on amp-Land Amp-R sub PCB and where the connectors for these PCBs are soldered tomain PCB. These units have had bad solder connect | ||
| Sony | TAAV411 | UNIT IN PROTECTION | Unit in protection. Center output voltage is +10 volts. Noground going to volume control sweep. |