Dicas Reparação
Modelo - Chassis D50
Pesquisa: D50 Enviar Dica Resolvida
Resultados 89
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| 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 | RD500 | PART NUMBER MISSING | Service manual shows both supply and take-up tables as samepart number. The tables are different, as one has a clutch. -HQ COMMENTS: Please use the Reel Table Ass'y A-3125-012-A for bothsupply and take-up sides. It has been confirmed the same part doe | ||
| 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. | ||
| Sony | D50 | OPTICAL PICKUP WILL NOT RETURN TO HOME POSITION | Optical pickup travels to outer edge of disc, but will notreturn to home position. Appears to operate normally in service mode. | ||
| Sony | ACD50 | P/N OF REF 904 IS IN ERROR | NPC says it appears the part # of Ref. 904 is in error. -HQ COMMENTS: The service parts for the input/output jacks have beenchanged. Reference numbers 1, 2, 3, 902, 903 and 904 are no longeravailable separately. These parts are now supplied assembled | ||
| Sony | D50 | DEAD | Disc motor was on at all times. This may cause platter tomove and may not. Unit acted very irratic. Changed IC MB88541-124M. -HQ COMMENTS: This is the first report on the problem. Refer to the T/FA004 for the MPU-related problems that have been repo |