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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| 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. | ||
| Sony | CDP101 | RF PLL AND CLV PLL OUT OF ADJUSTMENT | The unit does not accept the customer's disc. Decca, Verdi,La Travia (400057-2). It worked fine with YEDS-1. | ||
| Sony | CDP101 | MALFUNCTIONING D/A CONVERTER IC507 | The unit had an intermittent low pitched buzz in bothchannels. We found IC507 D/A converter to have an intermittent clock. | ||
| Sony | WMF10 | INTERMITTENT AUDIO | Ground becomes discontinuous due to excessive lubricant onhead ground plate surfaces. Remove lubricant. Use Sony P-401G to Relube. -HQ COMMENTS: We will issue a bulletin on WM-10 lubrication pointsshortly. | ||
| Sony | TCFX7 | EXCESSIVE WOW AND FLUTTER PLUS MOTOR NOISE | Motor comes with plastic clutch, which in time will comeflush against motor bearing, causing a grinding noise and wow and flutter.One solution is to put a small plastic washer at clutch shaft assy tostop it from going inwards against motor bearing. -HQ | ||
| Sony | SRF5 | INTERMITTENT AUDIO - HOW TO SERVICE | When the plastic interconnecting strip is removed, you cannothear audio (because the audio-tuner parts are separated). What is therecommended troubleshooting procedure? -HQ COMMENTS: 1) Complete B+ and ground connections for the tuner asoutlined on Pag |