Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CFS88S | BURNT SWITCH | Unit has no power or appears to be running on very low supplyvoltage. Type of supply (AC, DC internal, or DC external) irrelevant tosymptom. S903 (power switch) has developed high resistance due to contactburning. | ||
| Sony | CDP200 | POOR CONTACT BETWEEN CLUTCH AND THE DISC | Unit skips. Music comes and goes. Noted that tracking errorand sled waveforms would go crazy when problem occurred. Tracking errorwould alternate between traverse signal and servo loop signal. We foundthat the disc would wobble just before the proble | ||
| Sony | WMF10 | WORN TAKE-UP REEL | Take-up reel drags - causes motor current to exceed 1/2 ampin RWD, and W&F to occasionally rise over 0.25% in FWD. | ||
| Sony | WMF5 | OPEN CAP ON OSC CIRCUIT | No FM - subbed out osc with generator to verify the FM oscwas dead. | ||
| Sony | STRVX550 | MISSING P/N IN MANUAL | Many servicers ask for the part # of the capacitors used inthe Hi-Fi Service Bulletin #180. | ||
| Sony | STRVX550 | GROUND CONNECTION MODIFICATION | Tightening ground screen on the main chassis and displayboard does not always resolve the ground problem. The easiest thing todo is to install star washer. | ||
| Sony | STRVX550 | STATIC INDUCED ONTO TV SET | When the VX-550 was on and within about 10 feet of a TV (anybrand) static was induced in the picture and sound. We found the multi-vibrator which supplies power to the fluorescent tube filament to be thecause. | ||
| Sony | STRVX200 | LEAKY DIODE D302 | This unit would intermittently lose station (preset) memory. | ||
| Sony | STRVX4 | THERMALLY INTERMITTENT IC201 | The AM or FM would periodically become distorted and sometimesmute. | ||
| Sony | STRVX4 | OPEN C854 | There was no reset pulse for the microprocessor. Therefore,the unit acted very strange. For example, memory scan does not go up tomemory 8. | ||
| Sony | MTL10 | SLIDE PLATE STICKS | Intermittently the cass. will not retrack back from themechanism to the cass. slider. After unit is unjammed, it will work upto 3 hrs. before failing again. | ||
| Sony | CFSF11 | GEAR ON RPH SHAFT CRACKS | The gear on RPH shaft cracks and prevents the head fromturning. If the head turns only part way around, the mechanism will jamand destroy other parts. -HQ COMMENTS: Although the gear is mounted onto the head, the gearcomes with the part as illustrated | ||
| Sony | CDP701ES | RF PLL AND CLV PLL OUT OF ADJUSTMENT | Unit will not track discs with visible defect in program area.Some discs track on CDP-101 and CDP-200 with no problem. Possible causeof this could be the AUTO ANTISKATE circuit in the CDP-400 and CDP-701ES. -HQ COMMENTS: Careful electrical alignment, p | ||
| Sony | CDP200 | RF PLL OUT OF ADJUSTMENT | The unit skipped in play mode. | ||
| Sony | CDP200 | FOCUS OFFSET AND RF PLL OUT OF ADJUSTMENT | Although the objective lens searches for the focus point andthere is laser light coming out, the disc motor does not turn. |