Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | SL3030 | BLANKING BAR GHOST AND CHRISTMAS TREE EFFECT | This unit had a problem with a blanking bar ghost and Christ-mas tree effect in the picture through the tuner on E to E mode only whencable signal was connected. The picture was good on a regular antenna. | ||
| Sony | KV25XBR | BUTTON PART NUMBERS MISSING | The part numbers for the AUX/ANT and the cable ON/OFF switchbuttons are not in the manual. The two above mentioned buttons are notpart of the switches and do not come with the assembly #63P/N 4-374-151-01. I need these two buttons (rush). -HQ COMMENTS | ||
| Sony | EVC8U | COUNTER DOES NOT WORK | Counter does not work. | ||
| Sony | CCDV8AFU | UNIT SHUTS DOWN IN FF OR REW | Will FF or REW for about 100 on counter, then unit shuts off. | ||
| Sony | XR740 | NO DISPLAY | Unit had no display, no scan down, no #6 position. | ||
| Sony | CCDV8 | NO COLOR RECORDING | No color in E-E or recording. Playback of pre-recorded tapesOK. | ||
| Sony | SLHF400 | NO PIX ONLY NOISE IN SCAN | After warm up in the scan mode picture breaks up. Playbackfine. | ||
| Sony | KP5020 | MISSING RESISTORS CAUSE OVERSCAN | A new G board was installed to replace a cracked one. The newboard caused the unit to be overscanned by about 20%. We found theproblem to be caused by missing resistors. These were R814 and R815 inthe 110V regulator. This caused the B plus to be exce | ||
| Sony | KPR4110 | WAVY LINES IN BACKGROUND, REPLACED THE SCREENS | During scenes with a white or light solid background thereappeared wavy lines in the picture. At first the problem appeared to beelectronic in nature. However when removing the back and shining a fairlybright light on the back of the screen it was poss | ||
| Sony | KV1972R | GRAINY PICTURE, ADJ AFT T203 AND REPLACE IC201 | Picture was slightly grainy and sound on ch. 11 was intmtlydistorted. We found that the AFT UP was continually active. | ||
| Sony | FD2A | SCALLOPING ON LOWER THIRD, REPLACED IC851 | After the set had been on for about 30 - 60 minutes the lowerthird of the screen developed a scalloped appearance which gradullybecame more severe. We found the problem to be IC851. | ||
| Sony | KV25XBR | HORIZ. OUTPUT SHORTS | The unit came in with a shorted horiz. output. A replacementtransistor shorted immediately. The flyback was tried with no success.We then ran the unit with only 55V on 140V line. This was accomplished bydisconnecting the control winding on T652/GA Bd | ||
| Sony | KV1943R | POOR HORIZ SYNC ON WEAK STATIONS, REPLACED RV501 | The unit worked fine on strong signals. However, whenreceiving a weak signal the horiz. sync would be poor. We at first lookedat the IC, but the problem turned out to be RV501. It was very noisy. | ||
| Sony | PSLX510 | THUMP IN SOUND WHEN TONE ARM MOVES | Whenever the tone arm would move horiz during normal play,there was a thump in the sound. | ||
| Sony | TV520 | NO SYNC SCRAMBLED PIX | No sync scrambled pix. |