Dicas Reparação
Modelo - Chassis EVC3
Pesquisa: EVC3 Enviar Dica Resolvida
Resultados 18
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | EVC3 | WON'T WORK AS SLAVE IN SYNCRO EDIT MODE-SOLDER W103/FR-38 BD | In syncro edit mode, through L control, unit won't work as a slave, but works as a master. | ||
| Sony | EVC3 | NOISE ON 1/4 BOTTOM OF PICTURE - REPLCD RP69(HEAD AMP) BOARD | Noise on 1/4 bottom of screen. RF envelope shows noise on topof the normal signal especially at the exit portion of each head reading. Found corrosion on RP69 board by IC2, most likely caused by C083, C043. | ||
| Sony | EVC3 | NO VIDEO IN SP PAUSE AND SCAN IC002/VI-52 BD | In LP mode PB video is OK in PB, Pause and Rev, and Fwd Scan.In SP mode PB video is OK during playback. But there is no video inPause, Review or forward scan. | ||
| Sony | EVC3 | SCHEMATIC DIFFERENCE ON IN23 BOARD, R003 | Schematic on p. 81 shows a 10k resistor, R003, connectedbetween RF GND and CN602 pin 10. The board I saw had a shorting traceinstead. This also changes the voltage callout on IC002 pin18 (VI52 BD).It should read 0V, instead of 1.4V or 1V, page 69. -H | ||
| Sony | EVC3 | NO VIDEO OUT OR DISTORTED PICTURE: IC001 ON CC24 BD. | The Y signal at W 00l pin 3 was good. The output signal atpin 8 Y was weak. DC voltages around IC001 were OK except for pin 30,which read 2.0Vdc instead of 0.8Vdc. | ||
| Sony | EVC3 | PAUSE AND SCAN BRIGHT AND WASHED OUT. ADJUST RV801 1VP-P | Unit played fine in scan and pause (jog mode). Picture toobright. | ||
| Sony | EVC3 | WILL ONLY PLAY IN B/W | Barely perceptible signal on Playback of known good tape.Determine normal RF, normal video at input to CC-24 board. Essentiallyno output, indicates no bias pins 4 and 10 IC-001. | ||
| Sony | EVC3 | DOES NOT RECORD AUDIO | Does not record audio. | ||
| Sony | EVC3 | NO COUNTER - SHUTS DOWN WHEN REW/FF IS PUSHED | Counter does not operate. If FF or REW is pressed during PLAYthe unit shuts down. | ||
| Sony | EVC3 | TAPE COUNTER DOES NOT WORK | All functions operate normally except tape counter won't countand won't reset. | ||
| Sony | EVC3 | INTERMITTENT TRANSPORT PROBLEMS | Intermittent transport problems. At power up counter displays1:00:00 and won't reset tapping on unit would sometimes restore normaloperation. Traced problem to cold-solder connection at X-301 on RS-32PCB. | ||
| Sony | EVC3 | WILL NOT REWIND COMPLETELY | Will not rewind completely. Supply reel clutch action poor. | ||
| Sony | EVC3 | NO FUNCTION/NO RESET | No function and no reset. Checked 16mHz clock of the CPU andfound spikes and noise. | ||
| Sony | EVC3 | NO POWER AND DOES NOT WORK | No power and does not work. | ||
| Sony | EVC3 | UNIT LOADS AS POWER IS APPLIED | When power is applied unit loads automatically. No outputsignal from Q-301 or Q-302. |