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Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | SAVA3 | NOT SWITCHING TO STANDBY MODE - REPL IC801 | When audio input signal was discontinued, the speakersmaintained the active on mode indefinitely. Pin 6 of IC303 was constantlylow, this is the switching signal to IC801 which is supposed to go high 5v dc, during no audio input. The transition from low | ||
| Sony | HTCD159 | INCORRECT PART NO OF IC501 - USE PN 875283885 | The part no for IC501 is incorrect. The correct # is875283885. | ||
| Sony | HCDH51M | NO TAPE PLAY OR CD OPERATION - REPL DEFECTIVE WIRE | 1. Tape players both decks, would not stay in play mode.Head assy would move up and drop back down. 2. No CD operation from frontpanel controls. Manually install CD into unit and TOC would be read.But no control panel operation Eject, play, etc. | ||
| Sony | HCDH1600 | CD DOOR WILL NOT STAY CLOSED - REPLACED OPTICS | Door will not stay closed after opening first time. Othersymptoms are no focus search. | ||
| Sony | HCDD550 | PINCH ROLLER MISSING FROM UNIT - REPLACED PINCH ROLLER | Missing pinch roller. | ||
| Sony | HCDD109 | RECORDING ON "B" DECK WILL NOT PLAYBACK -REPL IC103 | A recording on the B deck will not play back. | ||
| Sony | HCDC33 | CD MECH INOP - MANUALLY TURNED GEAR #268 FREEING MECH | CD mechanism not working. When you apply power,initializing keeps repeating across the front panel display. | ||
| Sony | HCDC33 | EXTENSION CABLE OFF CN101 | When removing the CD mech assembly it can be operated outsidethe unit with the use of one extension cable coming off of connector.CNN101 on main board with this extension cable the whole cd mech can beoperated outside the unit. This will help in seeing | ||
| Sony | HCD541 | ADAPTOR BD NOT POWERING THE UNIT PROPERLY | The adapter board, J-2501-074-A, that I received for use inadapting the power jig has a problem. When the board and cable are usedthe display is dim at the right edge. In addition, the CD spindle may ormay not work. The adaptor is being forwarded for you | ||
| Sony | HCD541 | HCD541 TEST JIG - INCORRECT WIRING OF CABLE | Test jig for HCD 441 & 541 will not power up unit. | ||
| Sony | DXAC90 | ADJUSTING TAPE SPEED | After putting in new motors, needed to change tape speed butthe controls are buried in the unit and no extension cables are available.It's really hard to do this except by turning unit off, taking it apart,turn controls and hope you turned the right way | ||
| Sony | DTCM100 | DAMAGES TAPE - CLEANED STICKING GEAR REF 372 | Unit eats tape when ejected. Found gear ref 372 sticky, movedslowly out. Causing damage to tape when ejected. | ||
| Sony | DTC700 | NO T/U REEL MOVEMENT WHEN PLAY PRESSED - REPL TENSION REG | First problem was taken care of by re-timing mech. Secondproblem was fixed by tension regulator assy, which was kinked, causingexcess drag in ff. The back tension did test at 6 gm/cm. in play. | ||
| Sony | DTC690 | PLUG IN INPUTS UNIT HAS HUM - TIGHTEN COAX INPUT GRND SCREWS | Screws at coaxial in and line in/out were loose, thiscaused hum when in playback or record modes. | ||
| Sony | DTC670 | REPAIRED TAPE SKEWING USING TR SERIES CAMERA TAPE GUIDE | With regard to the continuing problem of sound distortion andtape wrinkling, replacing the tape guide (item 306, part of 310 on pg 56of the service manual) with a fabricated guide constructed from the outerbrass portion of the TG3 guide in the FL mechani |