Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | Receiver STR-11BS | Sinal fraco de FM | TR01 (2SK61 - FET) | ||
| Sony | KV2158 | Inoperante | Q601, Q602 e R607 | ||
| SONY | KV-K25MF1 | Não recebe audio externo. VIDIMAGIC6 s video. | IC201. IC 816 (SN8 | ||
| SONY | KV-9PT40 | Não arranca | PTH601. (Varistor em curto) | ||
| SONY | KV-8AD10 | Som intermitente | IC201. | ||
| SONY | KV-4000 | Línhas de retardo. | R713 de 3.9M aberta. | ||
| Sony | KV2158 | Inoperante | Q601, Q602 e R607 | ||
| Sony | AE-1C Chassis | Ausência de cor ao fim de algum tempo. | Falha CT302 | Substituir CT302 e o X302 | |
| Sony | AE-1B, AE-1C Chassis | Ausência intermitente de cor. | Falha do CT302 na placa B1 oo de CT332 na placa B. | Substituir condensador de ajuste CT302/332 por um condensador cerâmico fixo de 15pF. | |
| Sony | SLV900HF | POOR VIDEO IN PAUSE - LOOSEN TENSTION ON BELT | Poor video in pause and scan mode. Tech changed capstan motor due to another porblem. Tech put too much tension on belt, this was robbing capstan motor of torque to stop properly in pause mode. | ||
| Sony | SLV790HF | WRONG SILK SCREEN ON MA-251 BOARD | Unit cme in with no sound out of tuner. Delfin discovered that silk screening on main MA-251 board is wrong. Tuner has 27 pins (all outputs on pins 17 - 27). On the board these pins are labled 31 - 42 in case you need to | ||
| Sony | SLV790HF | CAPSTAN RUNS TOO FAST - SOLDERED C256 IN SERVO CIRCUIT | VCR came in with capstan motor running approx. 110% of normal speed. Pause Cue, rev functions not working. All capstan servo waveforms on IC201 were OK. Capstan error integrator (lowpass filter) IC251 had 5V P-P pulses in | ||
| Sony | SLV790HF | CASSETTE MECH LOCK UP | Cassette will not load, instead it is pushed back out. | ||
| Sony | SLV750HF | VERT. LINE IN PIX - REPLACED DELAY LINE DL602 | There is a vertical line of noise in pix just a little to the right of the center. It is visible on a black screen like a yellow vertical bar about 1/2 on 14 screen in PB mode only. SOLUTION: This bar could not be traced by the sco | ||
| Sony | SLV750HF | NO HIGH SPEED REWIND - RESOLDERED CN104-1 ON MF-172 BOARD | No high speed rewind. |