Dicas Reparação SONY
Modelo - Chassis
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Resultados 18938
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | HMK414 | MOTOR FELL OUT OF PROPER LOCATION | Cassette motor fell out of tape transport during shipment. | ||
| Sony | CFS55 | STOP LEVER NOT PROPERLY POSITIONED | No audio when placed in play, but tape is erase, recordnormal. | ||
| Sony | CFS55 | BELT SLIPS OFF | If the unit comes in with BELT OFF my S/S advises me that oneshould change the belt along with any repair or it will come back as aRE-REPAIR in a short time. -HQ COMMENTS: Replace the motor pulley when the capstan belt slippedoff the motor pulley in the | ||
| Sony | CFS45 | PCB MOUNTING SCREW BREAKS FOIL TRACE | Circuit board mounting screw is tightened too much. Cracksbreak B+ path to function switch. | ||
| Sony | TPSL2 | DEFECTIVE MOTOR | Unit runs slow. | ||
| Sony | TCM121 | MECHANICAL MODIFICATION | When customer presses record button with no tape inserted,pressure of record lever assy. against chassis causes the lever retainingportion to break off. Since the retainer is part of the chassis assembly,the entire assy would have to be replaced. | ||
| Sony | TCK55II | DEFECTIVE REMOTE CHIP | Unit functions jammed in rewind mode voltages on Pin 33 was0.37 volts. Rewind mode voltage should read 10 volts. Voltages ofremote chip Pins 9, 5, 11 and 7 were 1.9V also should be 10 volts.Remote chip affected total operation of tape deck. | ||
| Sony | TC755 | CLEANING STOP MICROSWITCH | Low playback level off tape, SOURCE position OK. Recordsection checked OK, found playback amp was being muted by Q304 and Q404.Base measure 1.6V all the time. Lifted R437, playback level normal.Traced 1.6V back into system control ckt., to emitter of Q | ||
| Sony | TAF3A | PCB LABELLING INCORRECT | Q103/104/153/154 - 3 and 4 reversed on PCB labelling. -HQ COMMENTS: Thank You for this information. | ||
| Sony | PT79R | PART NUMBER ERROR | I had ordered a power transformer, P/N 1-446-639-00, for USAmodel which I copied the number directly out from the service manual. Thetransformer that was sent to me was coded with the same number as was themanual but instead it was of 220 volts. Later | ||
| Sony | STRV25 | ERROR IN MANUAL | Page 7 Procedure 2, error adjust RT101 for 76 kHz +/- 100 Hz.This is opposite STR-V2/-V3/-V4. | ||
| Sony | STRV25 | MODIFICATION ON MOUNTING FLAME PROOF RESISTORS | Q652 failed causing flame proof resistors R633, 664, 665 tooverheat and open. This type resistor gets very hot before opening sincethese are mounted tight against the board. Damage will occur when theyget hot. | ||
| Sony | STRV5 | DEFECTIVE IC451 | No output, meter and lights operating, relay activates. B+and B- low. | ||
| Sony | STRV3 | ERROR IN SERVICE MANUAL | The schematic (Page 20) shows bias test points incorrectly atcollector of Q713 and Q763. Should be at emitters. -HQ COMMENTS: See Technical Newsletter #8102. | ||
| Sony | STRV2 | ERROR IN SERVICE MANUAL | VCO adjustment Page 9, Procedure 2, adjust RT201 for 19kHz+/- 100Hz error. |