Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KP41T15 | CUSTOMER CONVERGENCE IS NOT RETAINED. IC003 | Customer would adj his convergence and picture settings andthe next time they turned the set on the adjustments were lost. SOLUTION: The memory IC for the customer controls is IC003. The memory IC for Dynamic Convergence is IC005.Note: | ||
| Sony | TAAV521 | UNIT IN PROTECT - REPLACED C753 | Unit in protect. Found a +10 volt offset on speaker line.Checking with scope could not see any clipping or distortion. Checked alltransistors, diodes, resistors and caps. Found C753 had 53 ohms ofresistance. | ||
| Sony | TAAV521 | AUDIO CUTS OFF - SEE S/B HFP0341 | Service bulletin on the TAAV621 listed this problem HFP0341. The 621 and 521 use the same service lit. Shouldn't this bulletin alsocover the 521? | ||
| Sony | STRD665 | NO POWER - REPLACED LEAKY C952 | Unit would not power up. Applying 130-140V AC unit wouldpower up fine. Found C952 leaky. | ||
| Sony | STRD565 | NO POWER - REPLACED LEAKY C952 | Would not power up. At 120v AC unit would no power up but at130-140v ac unit would work fine. Found C952 leaky. | ||
| Sony | MDS302 | POWER BD DIFFERENT FROM SERVICE MANUAL - SEE SUPPLEMENT 2 | This unit has a different set of power supply digital pcboards than is shown in the service manual, not even close. -HQ COMMENTS: Please refer to Service Manual Supplement 2 for updates. | ||
| Sony | HCDD560 | CHASSIS AVAILABLE | No part # available for plastic chassis. | ||
| Sony | HCDD260 | CHASSIS AVAILABLE | No part # available for plastic chassis. | ||
| Sony | CDPCE405 | WON'T RECOGNIZE DISC 4 - REPLACED DISC TRAY | This is a dealed stock unit. When loading or unloading discs, the disc table would go past disc 4 and then come back. This would only happen on disc 4. | ||
| Sony | CDPC365 | IC DIFFICULT T0 REMOVE ON MAIN MCB | ASC states that ICs on the main mcb are cemented anddifficult to remove. Tech states that glue smells like super glue. -HQ COMMENTS: Suggest using a Hozan or pyropen to heat the IC. A videotape named Go ahead, Solder it! was produced by the training | ||
| Sony | XRC520 | SETTING THE TIME CLOCK | The procedure for setting the Time Clock needs to modified toset the time properly. | ||
| Sony | XR6450 | NO AM/FM RECEPTION | Tuning Problems, after replacing IC601 unit still would notreceive AM or FM. Found Q50 was breaking down and not supplying the tunerpack with the correct tuning voltage. | ||
| Sony | XM3046 | DISTORTED AUDIO OUTPUTS | The Audio outputs of the Amplifier may be distorted. This maybe caused when the Power Mosfets not properly soldered to the PC board. | ||
| Sony | EXCD90 | CD DOES NOT PLAY, DISPLAY READS E-04 | The LCD display of the unit reads E-04. This may be caused bythe CD making contact with the chucking arm (ref# 122). This may cause theCD not to spin and eventually displaying an error message. | ||
| Sony | EXCD60 | CD DOES NOT PLAY, DISPLAY READS E-04 | The LCD display of the unit reads E-04. This may be caused bythe CD making contact with the chucking arm (ref# 122). This may cause theCD not to spin and eventually displaying an error message. |