Dicas Reparação
Modelo - Chassis STRAV970X
Pesquisa: STRAV970X Enviar Dica Resolvida
Resultados 10
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | STRAV970X | NO DISPLAY - REPLACED OPEN D101 | No display, AC across pins 1 and 69 ok. The 33v line todisplay and IC101 also ok. Found D101 at 3.6v Zener that goes to thecenter of T902 open. | ||
| Sony | STRAV970X | DISTORTED AUDIO - REPLACED IC701 | Unit had slight distortion on rt channel. Bias was wrong.Signal at the base of ouputs appeared clipped. Checked input signal.It appeared normal and equal on both channels. Voltages on rt side ofIC701 revealed problem. | ||
| Sony | STRAV970X | UNIT INOPERATIVE - Q952 FAULTY 8-729-620-05 | Unit is inoperative, pushed the power button, nothinghappened, no relay click, no display. I found Q952 on the Power Board had5V dc on the base. | ||
| Sony | STRAV970X | R-975 REPLACEMENT PART NO LONGER AVAILABLE | Service bulletin HFP0320 calls for replacing R-975 with a partnumber 1-214-848-00. There are none available from Kansas City Parts,while there are 22 backordered for Kansas City Parts. They show noarrival date and the REPL column now shows a replacemen | ||
| Sony | STRAV970X | SCHEMATIC ERRORS - VOLTAGES AROUND IC202 ARE INCORRECT | The voltages on IC-202 are not correct. Pin 21 shows 5vdc andis going to pin 4 of IC-201 which shows 0vdc but it goes to pin 24 ofIC-101 on the display board which shows 5vdc. Also pins 51 through 61 areshown as 0vdc but pin 53 goes to Q-205-E which sh | ||
| Sony | STRAV970X | POPPING IN SURROUND AS LEVEL IS ADJUSTING | Popping in surround - all modes as level is adjusted. Triedall modes listed for surround for this unit in SDIS. Sending totechnician via K. Vistain. -HQ COMMENTS: The popping noise which can be heard on this model whenraising the Rear level is due to | ||
| Sony | STRAV970X | ERRATIC SYMPTOMS | Servicer has four units with the following symptoms:1. Remote may not work. 2. On and Off by itself. 3. E is on display.4. No display. 5. Surround and DRLC relays On and Off by themselves. 6.Cannot turn unit off. Procedure from service bulletin No. | ||
| Sony | STRAV970X | UNIT GOES INTO PROTECTION WITH HIGH VOLUME ON REAR AMP | Setting the rear Amp volume to high causes the Protectioncircuit to activate. I connected 8 Ohm dummy loads to the rear output andthe output clips unsymmetrically with a birdie on the positive half-cyclebefore the bottom half-cycle shows any distortion. | ||
| Sony | STRAV970X | UNIT IS NOT CAPABLE OF RECORDING EFFECTS ON TAPE 2 | Page 23 of the Owners Manual indicates that this unit shouldbe capable of recording the EQ and DSP effects to Tape 2. CIC received acall from a Dealer who complained that he was not able to record theseeffects on two seperate STR-AV1070X units. John Ow | ||
| Sony | STRAV970X | NOISE IN REAR SURROUND CHANNEL WHEN NO SIGNAL PRESENT | The rear surround channel has a high frequency hiss presentwhich is most noticeable with the master volume turned up to at least 50%,the rear channel level at 0dB and no signal source present (ie. betweentracks on a CD). There is also a noticeable buzz |