Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV5100 | PICTURE TUBE FAILURE | New picture tube installed, then unit went dead. Every timeconverter output transistor failed. Fail within a couple of hours.Servicer convinced problem not in power supply. Proved DC operation OK.Problem found to be dried out filtersand coupler capaci | ||
| Sony | KV2145R | FOLDOVER AT THE TOP OF THE PICTURE, R520 DECREASED IN VALUE | After warm-up, pix would start to pull down with slight fold-over at top of pix and R520 decreased to 7.8k Ohms. | ||
| Sony | KV2670R | UNUSUAL LOSS OF VERTICAL SYNCHRONIZATION, PPU1A FREQ SYNTH U | Random intermittent loss of video info. and vert. sync whichmay occur on any channel at any time. Pix/signal quality also appearedweak on a random intermittent basis. | ||
| Sony | CTV | DISTORTED PIX | When hooked up to cable there is a vert. bar approx. 1/3 ofway in along with ghosts of varying severity on ch. 4 & 6. A new broad-cast tower for these stations went into operation and has progressivelygotten worse. It is caused by ingress of the broadc | ||
| Sony | PSLX310 | TRACKING PROBLEM | The unit would not track properly using a Grado MF3 cartridge.We found the turntable to be working fine but incompatible with thiscartridge. | ||
| Sony | PSLX510 | WON'T PLAY ALL 45'S | The tone arm would move in about two inches and then go backto the rest position. The diameter seemed OK but no warp. There was aslight taper at the edge. We resolved the problem by remounting thedetector diode so that it pointed at a 45 degree angle | ||
| Sony | CDP101 | HISS ON ONE CHANNEL, OTHER CHANNEL DEAD | Left channel sound was FUZZY and covered with a lot of hiss.Right channel was dead. Pin 18 of IC507 (D/A Conv) looked fairly clean.Pin 17 (R-out) had a lot of noise on it. Source of Q505 had some noise,not present at source of Q504. Resistance readin | ||
| Sony | MLV1100 | NON-SWITCHABLE OF THE LINE IN SIGNAL AT LINE OUT | When using LINE OUT to connect to amplifier or cass deck, thecustomer cannot get LINE IN signal. He always gets MPX in signal. | ||
| Sony | STRVX250 | NO MEMORY | No memory. The segment of the FL display go off unevenly.The voltage at Pin 42 of IC301 is as low as 1.5V instead of 2.4V. | ||
| Sony | PSX800 | TONE ARM MALFUNCTIONING HORIZONTALLY | The tonearm did not center itself when it is up position.Therefore the tonearm slide inward or outward becasue of the angle error. | ||
| Sony | CDP701ES | NOISE IN R CH | R-ch sounded very noisy. Sounded like Ju-Ju. | ||
| Sony | CRF320 | SOUND IS LOW INTERMITTENTLY | When turning on the power switch with the timer function, thesound is very low. | ||
| Sony | WA55 | NO FM | AM worked fine but could not switch to FM. | ||
| Sony | CFSF11 | HUM NOISE WITH AC-190 | When using the AC adaptor AC-190, a slight hum noise is heardthrough the headphone in the play mode, even when the volume control isminimum. | ||
| Sony | TCD5M | NO PLAY | There was no function, because the motor did not turn. |