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Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CCDF401 | CAPSTAN MOTOR WILL NOT OPERATE IN RECORD, PLAYBACK OR EJECT | In Play, Record and Eject modes the capstan would not turn.In FF or REW, F Search or R Search it would turn slower than normal andIC-504 on the SS-136 board would grow warm. | ||
| Sony | STRGX67ES | 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 | ||
| Sony | STRAV1070X | 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 | ||
| 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 | ||
| Sony | KV19TS20 | WILL NOT POWER ON WITH REMOTE CONTROL, REMOVE SOLDER BRIDGE | Will not power ON with remote control. Everything else worksnormally. IC-101 and IC-102 had been replaced. Found IC-101 (pin 5SIRCS) at 2.8Vdc, when no pulses present. | ||
| Sony | TCK950ES | RECORD LEVEL DECREASES | When recording on the B side of a tape after recording onthe A side, the level of the high frequencies on the A side decrease. | ||
| Sony | STRGX90ES | HINGES FOR LID ASSEMBLY | A dealer in Salt Lake City reported the hinges were broken onthree units. Need the part number for hinge that connects No. 1 and No. 8on page 44 of the service manual. | ||
| Sony | CPD1304 | WILL THIS MONITOR DO 70 HZ REFRESH ? | Customer called requesting information about whether or notthis monitor would do 70hz refresh rate. -HQ COMMENTS: Plain and simple you look at the Vertical Frequency rangeof this monitor, and it will read 50 - 87 Hz which answers our question.Thus, yes | ||
| Sony | CCDTR7 | TICKING NOISE FROM MECHANISM | Heard ticking noise coming from the mechanism in all modes. | ||
| Sony | CCDTR4 | TICKING NOISE FROM MECHANISM | Heard ticking noise coming from the mechanism in all modes. | ||
| Sony | CCDTR5 | TICKING NOISE FROM MECHANISM | Heard ticking noise coming from the mechanism in all modes. | ||
| Sony | DT2 | NO POWER | Inoperative with AC jack only. | ||
| Sony | D11 | NO AUDIO TO HEADPHONES | No audio out to headphones. Found VDD line to audio ampIC302/pin 13 low (about .2V) during Play. Disconnecting Q-424collector enabled pin 16 of IC-504 to go high and pass voltage throughQ-410. | ||
| Sony | D11 | WEAK LEFT CHANNEL | Left channel was very weak. Audio looked good and clean atthe outputs of IC-301 (D/A), IC-303 (audio amp), IC-302 (audio amp) andIC-304 (bass boost). Found Q-103 leaking from emitter to collector. | ||
| Sony | D11 | NO POWER (AC OR BATTERY) | Reset and clock were ok. Also I verified activity from thePlay button. The Pcon line pin 30 was not holding low. |