Dicas Reparação SONY
Modelo - Chassis
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Resultados 18945
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV2648R | INTERMITTENT PICTURE SHRINK, REPLACED IC601 | Picture shrinks intermittently. Stations shift when pictureshrinks. | ||
| Sony | KV2648R | DEAD SET, REPLACE R570 AND H OUT | After about 15 min. horizontal output transistor (2SD957A)would short out. During the first 15 min. transistor would increase intemperature. Found R570 was reading less than 0.2 ohm - should be 0.22ohm - was able to put in a 0.23 ohm and everything rem | ||
| Sony | KV2647RX | JAIL BARS ON THE SCREEN, CHANGED D250 | This unit had faint jail bars on left side of picture. | ||
| Sony | KV2647R | AUDIO BUZZ ON SCRAMBLED STATIONS, ADJ T204/205 SIF | Audio buzz on scrambled stations only. The following stationsexhibited the problem: HBO (ch. 30), Showtime (ch. 34) and Cinemax(ch. 38). They use Jerrold Box (New England Cablevision Cable Co). | ||
| Sony | KV2602 | AUDIO BUZZ ON SCRAMBLED STATIONS, ADJ SIF T204 AND T205 | Audio buzz on scrambled stations only (HBO & Cinemax). | ||
| Sony | KV2145R | PIC FOLDS OVER AT TOP, R520 DECREASED IN VALUE | Unit had 1/2 inch of fold over top of screen. Found R520reading 8.1K (should be 10K), upsetting bias on vertical outputs. | ||
| Sony | KV2145R | RELAY CHATTERING, RESOLDER D602 | Power relay RL001 would not stay engaged when power on buttonwas depressed. The new MF board didn't cure the chattering relay problem. | ||
| Sony | KV1953RS | DARK PICTURE, REPLACE C548 | Dark picture, sometimes blowing fuse and regulator. Fivecases have come to our attention of this problem, which is caused by C548being shorted or leaky. Attached are samples for evaluation. | ||
| Sony | KV1952RX | DARK PICTURE, REPLACE C530 AND R538 | Dark picture gave impression of insufficient high voltage.In addition the red convergence was off slightly (like H. stat controlslightly misadjusted). | ||
| Sony | KV1948R | PICTURE DISTORTION, C654 OPEN | Insufficient width and height, low 135V at L651. | ||
| Sony | KV1916 | IMMEDIATE SHUT DOWN | On turn on, unit would immediately shut down. Found R528opened. | ||
| Sony | KV1911 | SEVERE PIN CUSHION | Severe pin cushion, pulled in 2-3 inches on each side.Checking 15 volt line found a negative H pulse on the line. Found C810to be open. | ||
| Sony | KV1747R | SETS WILL NOT LOCK ON CABLE CHANNELS | Set will not lock on cable channels. Usually the 47 modelsand models with a similar chassis. I tried reducing the value of C208but this made the problem worse. We tried increasing the values of thiscap and found that the sets would perform properly wi | ||
| Sony | KV1747R | CHANNEL LOCK | When changing channels, up/down with remote, unit would lockon channel 8 for approx. 8 to 10 seconds. Unit would scan up/down allother channels with no problem. | ||
| Sony | KV1547R | PICTURE BLANKS | Set would play 15 mins., then would start blanking in and out.Vertical would then start shrinking and soon would collapse. |