Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CFD454 | IC-302 CONFIGURATION | IC-302 the Graphic Equalizer/Volume Control IC is erroneouslylisted in the service manual's schematic as a CXA1351. It is a CXA1351S.It is also erroneously drawn in both the schematic and the board layout asa 22 pin IC. It is a 30 pin IC. -HQ COMMENTS | ||
| Sony | KV2792R | SNOWY PICTURE ON UPPER CHANNELS, REPLACE ANT SW Q-1411 &1412 | Low band channels are ok. High band is ok until channel 9.At that point the channels get increasingly snowy. Super band channels(23-36) were very bad. Replaced tuner which did not help. | ||
| Sony | TCDD3 | ENCODER ALIGNMENT IN A LOADED POSITION | If a gear breaks during the load sequence, it is difficult toalign the mechanism after replacing the broken part. | ||
| Sony | CDPC305 | INTERMITTENT LOCK-UP | Intermittent the unit locks-up. The BU bracket doesn't comeup. Problem more consistent on Shuffle mode because the bracket goes upand down more often. Found flat spots on rubber rollers Ref. No. 59. Thetray will not position right so the disc count w | ||
| Sony | D35 | UNIT FUNCTIONS STRANGELY | The unit was displaying strange problems: Once it didn't seedisc, kept on displaying No disc. Did not recognize the door switch andshow charge without BP5. Left unit without back-up battery for one hourbut didn't solve the problem. Checked reset circu | ||
| Sony | TCS430 | NO OUTPUT OR SOUND | No output or sound. | ||
| Sony | ITA550 | NO ON HOOK DIAL | Customer complaint was no on hook dial. Found resistor R-240to have a cold solder joint. | ||
| Sony | D35 | BOARD IN UNIT DOES NOT MATCH SERVICE MANUAL | Servicer needs additional information. Unit is not workingand IC-407 is getting hot. Board layout of unit does not match servicemanual. IC-407 and associated circuit is not on schematic. Please supplycorrect schematic. -HQ COMMENTS: IC-407 is a 3 pi | ||
| Sony | CCDF35 | UNIT THREADS WITHOUT TAPE AND LOCKS UP | Unit would thread without a tape when powered up and thenwould lock up. | ||
| Sony | KPR46EX20 | VERTICAL FOLD OVER, REPLACED C-5003 | Vertical stretched and fold over. | ||
| Sony | CVPG500 | NEW PS-2 BOARDS/DM-41 HIC BOARDS | In February 1991 you informed us that the new PS-2 boards willhave a new DM-41 HIC board installed (141345411). In July KCP received ashipment with the old DM-41 HIC board still installed. These old boardscause R-24 to eventually open and shutdown the | ||
| Sony | MDP510 | PART NUMBER CORRECTION | The correct part number and description is part number8-759-100-97 - UPC 339G2 (14pins). The UPC-393G2 as listed in theservice manual is an eight pin IC. -HQ COMMENTS: Thanks for the information, a service bulletin has beenissued. --- CSV-5 No14. | ||
| Sony | TCDD3 | MECHANICAL ALIGNMENT AFTER REPLACING GEARS | If a gear breaks during the load or unload sequence, there isno reference material available to align the mechanism or encoders afterreplacing a broken gear. -HQ COMMENTS: A service bulletin outlining the proper procedure for gearalignment has been writ | ||
| Sony | CCDV5000 | "WAVY" LINES AT 2-4 SECOND INTERVALS IN PB WHEN RECORDED | After 30 minutes, Playback would show slight wavy lineshorizontally at 2 - 4 second intervals. This problem only exists on tapesrecorded on this unit. Playback of tapes from other units were perfect. | ||
| Sony | CCDF45 | PART NUMBER FOR REC PROOF SWITCH TAPE SELECT | There is no part number listed for the REC proof switch onthis model. What is the part number? |