Dicas Reparação
Modelo - Chassis SLHF300
Pesquisa: SLHF300 Enviar Dica Resolvida
Resultados 35
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | SLHF300 | NO HORIZ SYNC IN CUE/REV | The unit intermittently would loose horiz. sync in the CUE/REVmodes. We found Q504 to be thermally intermittent which allowed phaseoutput to be mixed in with the C/R adjustment. | ||
| Sony | SLHF300 | NO CHANNEL READ OUT | When input selector on (tuner), have video and sound but nochannel read out and cannot change channels. When in line/pcm position,channel select lights and can change channels but no tuner video or sound. | ||
| Sony | SLHF300 | CREASING OF TAPES | Damages tapes at beginning, after the machine stopsautomatically from rewind. This problem occurs often using L750 or L830tapes. -HQ COMMENTS: The problem was resolved by changing the spring to astronger one and roughening the base of the reel where th | ||
| Sony | SLHF300 | NO TUNER MEMORY | Unit has no memory or loses memory. | ||
| Sony | SLHF300 | TAPE CREASING | Tape damage at beginning of tape after auto rewind with L-750/L-830 tapes. Tape remains slack after rewind, causing damage when playbutton pressed. | ||
| Sony | SLHF300 | LOSS OF TRACKING IN PLAYBACK | Servicer complained that unit would loose tracking in playback and tracking control had no effect on pix. Record mode was Ok.Slight leakage was detected on Q5, causing base of Q507 to go high andturn on, putting composite sync on Pin 3 of IC501. | ||
| Sony | SLHF300 | TAPE CRINKLES AT START | At start of tape, lower edge of tape crinkles for a fewseconds. This is not consistent and happens to various brands of tape(mostly L-750) so tape does not seem to be the fault. -HQ COMMENTS: Please try the Japanese T/N that I faxed to you(BET-855043, | ||
| Sony | SLHF300 | TAPE DAMAGE | This unit had distorted audio and lower edge of tape waswrinkled. Pinch roller rubber was machined wrong. | ||
| Sony | SLHF300 | POOR TAPE PATH | This one had poor tape path causing improper tracking. I haveseen an increasing number of new units with poor tape path right out ofthe box. | ||
| Sony | SLHF300 | PINCH ROLLER SOLENOID REPLACEMENT | Replacement part (identical number) has stop washer onplunger. Washer is too large to allow proper installation of motor andgear assembly. | ||
| Sony | SLHF300 | NO PLAY OPERATION | Unit would load tape, but no power lamp and when PLAY buttonwas pushed, no tape movement. Drum motor would not turn and neither wouldthe capstan motor, found cold solder joint on CN3/PS-39 board, TerminalNo. 4. This is the 9V supply line. | ||
| Sony | SLHF300 | NO OPERATION | Betamax would load cassette and tape. PLAY button was pushed,nothing happened. Tape could be unloaded. | ||
| Sony | SLHF300 | NO TIMER/CHANNEL SET | This unit had no channel display and it was not possible toset the timer mode. We found IC301 Pin 16 to be low. This was caused bya leaky Q305. | ||
| Sony | SLHF300 | DRUM SPEED IRREGULARITY IN FAST WIND | Drum speed varies when unit is in FF or REW. During normalplay or Beta scan, unit OK. Customers have been complaining because theycan hear the speed vary. Judicious selection of Q503/504 works sometimes. -HQ COMMENTS: The variation of drum speed in t | ||
| Sony | SLHF300 | NO POWER | Unit would not power up. Replaced IC301 (timer) but IC wouldnot reset, so problem was not resolved. |