Dicas Reparação
Modelo - Chassis XRU770
Pesquisa: XRU770 Enviar Dica Resolvida
Resultados 10
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | XRU770 | INSUFFICIENT QTY. OF PARTS IN CAP. KIT (BULLETIN # CAR354) | Capacitor kit X-337-022-11 in the service bulletin car 354indicates that a parts kit contains all of the electrolytic capacitors forrepairing the problem. The capacitor kit came with only 1 capacitor. | ||
| Sony | XRU770 | DISTORTION, NO AUDIO, MECH MALFUNCTION, OR NO OPERATION | The above mentioned problems may be caused by leakage of oneor more of the electrolytic capacitors. | ||
| Sony | XRU770 | POP IN AUDIO WHEN BUTTONS PRESSED | Audio popped each time a button was pressed on the faceplate that activates the mute transistors such as Seek +/-, Mau. +/-.Scoping the outputs on DC range showed a DC offset ranging from 100mV toas much as 900mV. Pop occured because mute transistors tak | ||
| Sony | XRU770 | POP IN AUDIO WHEN BUTTONS PRESSED | Audio popped each time a button was pressed on the faceplate that activates the mute transistors such as Seek +/-, Mau. +/-.Scoping the outputs on DC range showed a DC offset ranging from 100mV toas much as 900mV. Pop occured because mute transistors tak | ||
| Sony | XRU770 | DEAD UNIT (REPLACED Q504 AND D513) | Unit was dead. Master control IC was on but would not powerup unit (pin 5 stayed low). Bus On pin 38 would pulse low 3 times whenunit was powered up. Data and clock lines would show initial activity. | ||
| Sony | XRU770 | REFERENCE NUMBER CORRECTION (REF. 36 AND REF. 37) | Ref. #37 in exploded view is listed with part number for RCAjack and vice versa for ref #36. So when you order ref. #37 you will getref #36 part which could get confusing. | ||
| Sony | XRU770 | UNIT HAD NO BACKLIGHTS OR DISPLAY, CAUSED BY DEFECTIVE Q526 | Unit functioned, AM/FM/Tape had audio but no display orbacklights. | ||
| Sony | XRU770 | NO OPERATION; RESET ONLY (REPLACE D511, P/N 8-719-977-07) | When power was applied to unit, reset was noted but, no otheroperation was possible. Since I was already familar with the Zener diodeson data and clock lines that either leak or are shorted, I checked D513and D514. These were OK. On this model there | ||
| Sony | XRU770 | PART NUMBER CORRECTION: KEYSWITCH | The part number for switches on the key pad is incorrect(S701 through S729). The correct number is 1-692-037-41. The problemwith the switch is that the button attached to it is too short to makecontact with the button on faceplate. | ||
| Sony | XRU770 | AMP REMOTE STAYS ON WITH POWER OFF | Customer states that power amp stays on even when unit is off. |