Dicas Reparação
Modelo - Chassis STRV5
Pesquisa: STRV5
Resultados 10
Resultados 10
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | STRV55 | POWER SUPPLY CIRCUIT DIFFERENT | Power supply circuit different. This is multi voltage 110/120/220/240 unit. Could we possibly get a copy of schematic and boardlayout? -HQ COMMENTS: KCP will send you a copy of overseas unit circuit. | ||
| Sony | STRV55 | HUM IN BOTH CHANNELS LOW VOLUME IN LEFT | The unit had a hum in both channels that would disappear assoon as a scope probe ground connection was made. Also there was lowvolume on the left channel - all modes. We found the problem to becaused by crystaline growth on IC601 and C603. We cleaned | ||
| Sony | STRV55 | NO TUNER OR MEMORY | No tuner output or memory functions. Tuning voltage to tunerremained at 30V regardless of frequency indication on display.External DC on tuning line resulted in good reception. DC on IC402were wrong for Pins 2, 3, 8 and 14, 15. Replacing IC401, IC402, | ||
| Sony | STRV55 | LEAKY C101 | Only white noise was heard in FM mode. PLL tuning voltage(2.8-20V) did not change at all. | ||
| Sony | STRV5 | DEFECTIVE IC451 | No output, meter and lights operating, relay activates. B+and B- low. | ||
| Sony | STRV55 | LEAKY C412 | AM and FM very slow to lock on station - then drifts offagain. Tantalum capacitor C412 in LPF was leaky. | ||
| Sony | STRV55 | LEAD DRESSING NEEDED | Whining noise from processor with no FM signal and muting off. | ||
| Sony | STRV55 | WIRE NUMBERS ARE REVERSED | Incorrect wire number. Numbers #1 and #3 reversed. | ||
| Sony | STRV55 | DEFECTIVE CAPACITOR | Interstation noise on AM and FM. Receiver will not scan orselect stations via memory presets. All segments of display tube lit up. | ||
| Sony | STRV55 | COLD SOLDER CONNECTION | Protection circuit relay, RY701 would actuate intermittentlywhen volume was turned up from about 3 click-stop positions to the 9o'clock position. |