Dicas Reparação
Modelo - Chassis FD500
Pesquisa: FD500 Enviar Dica Resolvida
Resultados 15
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | FD500 | NO PICTURE AND DARK SCREEN, REPLACE C803 | Takes 5 minutes for picture to come on, and when it does, it is light grey. Check waveform of base and collector of Q802(converter out) is low and distorted. (it is 20Vp-p instead of 60V). However, Collector of Q801 | ||
| Sony | FD500 | DEAD, REPLACED POWER SWITCH 1-554-358-11 | Dead | ||
| Sony | FD500 | INTERMITTENTLY DEAD, RE-SOLDERED AC INPUT TERMINAL | Intermittent dead. | ||
| Sony | FD500 | INTERMITTENT DARK LINES IN PICTURE, RESOLDERED T-801/PIN 5 | Q-401 collector voltage is unstable. | ||
| Sony | FD500 | IN-OPERABLE, REPLACED IC-451 | Set was inoperable. Found fuse open and traced problem to de-fective IC-451. | ||
| Sony | FD500 | NO POWER, OPEN F602, CHECK CUSTOMER'S AC ADAPTOR | No operation, no power or no audio power ok. This seems to bean on going problem or just failures of last production runs. | ||
| Sony | FD500 | UNIT INOPERATIVE WHEN PICTURE SWITCH IS IN THE ON POSITION | Unit goes dead in any function mode when picture switch is inthe ON position. With the picture switch in the OFF position unit willoperate if power is recycled from OFF to ON (Still no picture). When unitgoes dead, no B+ can be measured at Q-601 collec | ||
| Sony | FD500 | NO PICTURE, REPLACED C508 | No picture. The units HV measured 300V. The waveform atQ-801 base was present but low in amplitude except for lifting C-809 outof circuit, even though the correct amplitude was evident at IC-201 pin17. The frequency read .83kHz. | ||
| Sony | FD500 | NO PICTURE; H FREQUENCY TOO HIGH, RESOLDERED C508 | No picture - low horizontal output signal pp value.Horizontal frequency has increased in this case to about 68kHz. Frequencyis still adjustable by RV-501. All DC voltages on IC-201 are ok. After ashort period of time, the horizontal output becomes ext | ||
| Sony | FD500 | DISTORTED AUDIO, REPLACED CF-201 | Picture is OK, but sound is distorted. When picture isdetuned then sound is OK. -SOLUTION : Replaced CF-201 filter. -HQ COMMENTS : CF-201 is the 4.5 MHZ ceramic filter. | ||
| Sony | FD500 | DEAD - IC-451 LOADED (SOUND OUTPUT IC) | Unit arrived dead. Found fuse (F-602) blown. Checked andfound IC-451 with a chipped-off body. Found this problem very common forFD-500. This unit had previous problem of a blown IC-451. Prematurefailure of IC-451 and F-602 is too high. | ||
| Sony | FD500 | NO RASTER - AUDIO OK, REPLACED OPEN C802 | No horizontal pulse at collector of Q-802. A horizontal pulsewas present at base of Q-802. Collector voltage was 9VDC and the basevoltage was -3.4VDC. | ||
| Sony | FD500 | NEED PART NUMBER FOR WHITE CABINET | No part number for white cabinet found in service manual. -HQ COMMENTS: The part numbers are as follows: Front cabinet part numberis 3-345-525-31, rear cabinet part number is 3-345-526-31. | ||
| Sony | FD500 | PART NUMBER FOR CHARCOAL GRAY KNOBS MISSING | There are no part numbers listed in the service manual for thecharcoal gray knobs. | ||
| Sony | FD500 | NO POWER, REPLACED IC451 AND FUSE | No power. Also serial numbers 107931 and 1803426. |