Dicas Reparação
Modelo - Chassis SLV740HF
Pesquisa: SLV740HF Enviar Dica Resolvida
Resultados 12
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | SLV740HF | INTERMITTENT COLOR - REPLACED IC001 ON RV36 BD | Unit had a picture but no color found poor waverform on pin 12 of IC001. | ||
| Sony | SLV740HF | NO AUDIO, VERY DIM DISPLAY - REPLACE CP102 | Set did not have audio and very dim display (almost out). Checked voltages on HF-34 board and found no VEE (-5.1V) on audio processor IC101. Pin 9 of CP102 (-30V) reads 2.2V. | ||
| Sony | SLV740HF | INTERMITTENTLY LOCKED UP | Unit intermittently locked up with no emergency code displayed. | ||
| Sony | SLV740HF | DIFFERENT MA-214 BOARD | CN-891 on MA-214 board different. Replacement board did not have a male red connector like the original board. It came with the cable soldered in connector's place. | ||
| Sony | SLV740HF | INTERMITTENT OPERATION - REPLACED X201 ON MA-214 BOARD | Int. won't work properly. | ||
| Sony | SLV740HF | INT. ON/OFF FUNCTION - RESOLD PINS @ CN301/HI5 BOARD | Intermittent on/off function. Cold solder connections in all the odd pin numbers of the CN301, HI5 board. | ||
| Sony | SLV740HF | WON'T ACCEPT TAPE - REALIGN LOADING TRAY | Unit won't accept tape. Found loading tray misaligned in FL block. | ||
| Sony | SLV740HF | NO EJECT - CASS DOOR LEVER MISALIGNED | Tape will not eject. Found cassette door lever is misaligned. Door lever is located on left side of Fl block assy. | ||
| Sony | SLV740HF | UNUSUAL MECHANICAL MOTIONS DUE TO TIMING | Self timing procedure not found in service manual | ||
| Sony | SLV740HF | DOES NOT LOAD CASSETTE - RESOLDERED IC201 | VCR powers up but cassette cannot be loaded. The cassette in/rec. proof switch was inproperly activated (opened) when cassette was inserted. Microprocessor vital voltages were normal, yet, motor did not activate. | ||
| Sony | SLV740HF | NO RECORD CTL, PICTURE BLANKS OUT - RESOLD PIN13 OF IC101 | Unit plays back pre recorded tapes but not it's own recording. Checked record ctl missing at plug CN101, pin 3. Checked pin 13 of Ic for control signal, absent. Signal present at pin 94 of IC201. Pin 13 of IC101 | ||
| Sony | SLV740HF | SQUEEL NOISE WHEN DRUM IS ROTATING | squeel noise is produced when the drum is rotating |