Dicas Reparação SONY
Modelo - Chassis
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Resultados 18938
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | WM10 | SHORTED C805 | No power. A short across battery terminals occur whencapacitor (C805) is bent down on the PC board or when the leads arepushed into the body. | ||
| Sony | WM10 | SCREW BECOMES LOOSE | Screw on control plate block assy comes loose, touchingbottom side of flywheel. | ||
| Sony | WM10 | GEAR NEEDS BENDING | This unit had no take-up. Gear #364 was not low enough toengage gear #368. | ||
| Sony | WM7 | MISSING PART NUMBER | The part number for the key switch board is not listed inthe S/M. | ||
| Sony | WM7 | REPLACEMENT PART NEEDS MODIFICATION | Membrane circuit board requires modifying from form in whichit is received for proper installation and working in machine (cutting ofmembrane). -HQ COMMENTS: The circular foil path in the upper most right corner ofmembrane needs to be cut. | ||
| Sony | TCK777 | DEFECTIVE R/P HEAD | With music, poor low freq. response with audio sweep gen.,beat freq. from low end of response up to about 2kHz only if sweep washigher than 12kHz on the high end. | ||
| Sony | TCFX44 | DEFECTIVE C505 | With the cassette door open and power applied, this deckwould go into play mode, although the play led was not lighted. | ||
| Sony | TCFX30 | BELT SLIPPING | The customer complained that he intermittently could notopen the cassette door. This was due to the head assembly not completelydisengaging. We found that the belt would occasionally slip on thecapstan during the disengagement process. The belt appear | ||
| Sony | TCFX25 | IMPROPER OPERATION WITH TAPE | When using BASF Professional II, C-90 cassettes, the tapewould skew upwards just past the leader splice, ruining the tape. Thecustomer claimed all other brands worked fine, including the newlydesigned BASF Professional II. | ||
| Sony | STRVX750 | IC301 NEEDED RESET | Original complaint was that switched AC outlet on rear panelcould not be tuned off. | ||
| Sony | STRVX550 | GROUND LOOP PROBLEM | Intermittently set would shut off all displays, or would losepreset stations, or sound would be muted until any one button was touched. -HQ COMMENTS: Ground loops can be difficult to isolate. We would haveprobably done the same using braid wire (solder | ||
| Sony | STRVX550 | MISSING C654 | One channel appeared to be louder than the other. Looking atchannels on the scope showed left channel boost in treble when basscontrol was increased. Found that C654 was not installed at the factory. | ||
| Sony | STRVX4 | DEFECTIVE C803 | The customer complained of low volume and distortion. Wetraced the problem to low B+, we found C803/C804 to have changed in valueand leaking the paste out into the chassis. | ||
| Sony | STJX44 | OPEN RESISTOR IN PACK | Unit came into shop with the complaint of no memory.Checked unit, found that it would not remember channel settings. | ||
| Sony | PSFL77 | DEFECTIVE SWITCH | All functions were inoperative. We found Pin 26/IC201(Sys Con) to be high with the tonearm in the rest position. The metalFINGERS on the tonearm position switch were bent and not making contact.A simple way to confirm a problem with the position switch |