Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | TCFX33 | LEVERS OUT OF POSITION | In playback or fast forward, there was no tape motion andthere was the sound of gears clattering. The reverse select lever and thebushing select lever were both out of position. It appeared as if someonehad previously worked on this unit. | ||
| Sony | TCFX30 | AGED RESISTOR | Unit would slow down in rewind and fast forward modes whenDolby C was turned on. | ||
| Sony | TCFX22 | IDLER WHEEL BINDING | Playback was very slow. | ||
| Sony | TCFX22 | BEND IN SLIDER NEEDED | Transport fails to have take-up in playback or record mode.Transport is excessively noisy and will not engage into FF smoothly.All of this can be caused by slider (355) being bent causing FF lever(305) to have incorrect timing in conjunction with take-up | ||
| Sony | TCFX5 | DEFECTIVE REGULATOR Q602 | This unit had intermittent bias osc. operation caused by theline mute (Pin 21 IC501) being intermittently activated. We found thiserratic operation of the UPC to be caused by a noisy voltage regulator- Q602. A quick check of the B+ line revealed the pr | ||
| Sony | STR55 | DEFECTIVE IC101 | Tuner section drifts off station intermittently. | ||
| Sony | SPP11H | OPEN Q4 | Noise from hand unit in TALK mode even with base-unit powered. | ||
| Sony | SPP11 | DEFECTIVE IC2 NE567 | Base unit would not respond to any function from hand unit.In use light did not light, would not dial out. Found IC2 Pin 8 wouldnot go low. | ||
| Sony | RT66 | DEFECTIVE REEL MOTOR | This unit had poor FF/REW torque and would stall when using90 min tapes. | ||
| Sony | RS30 | NO SHUT OFF AFTER THE CALLER HUNG UP | This unit would take one minute and sometimes more to shut offafter the caller hung up. There would be just a dial tone recorded on thetape. About every 15 seconds the unit would try to hang up. There wouldbe a click recorded on the tape but then the | ||
| Sony | PSX55 | BROKEN CONTACT ON SWITCH CAM | The tonearm on this unit would not move in to the edge of therecord all the way or set down. We noticed a slight amount of friction inthe tonearm travel. Disassembly revealed a broken contact on the switchcam (the electrical feeler that contacts the ca | ||
| Sony | PS333 | DEFECTIVE PITCH CONTROL | Neither 33 or 45 rpm would lock in. Speed was excessive.Voltage were correct. | ||
| Sony | PCMF1 | DEFECTIVE D102 | Left channel was noisy - REC level control had minimal effecton noise - input signal was weak and distorted - line amp had some DCoffset at input to LPF - found constant current diode D102 breaking down.When testing this diode on a curve tracer using a 1 | ||
| Sony | ICF9540W | DEFECTIVE Q1 | This unit had poor sensitivity and distorted output in theFM mode. We found the RF amp to be defective. | ||
| Sony | CFM200 | MISSING PART NUMBER | The P/N for the mechanism chassis is missing from the servicemanual. However, the chassis from the CFS-400 appears to be very similar,this chassis is P/N A-3102-043-A. Are these two chassis the same?The part for the CFM-200 was researched by KC with ne |