Dicas Reparação
Modelo - Chassis STRVX550
Pesquisa: STRVX550 Enviar Dica Resolvida
Resultados 31
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | STRVX550 | UNIT DEAD EXCEPT FOR STANDBY LED - C824 OPEN, REPLACED | Unit dead except for standby lamp. | ||
| Sony | STRVX550 | REPLACING LITHIUM BATTERY | When replacing bad and leaky back up batteries, while unsol-dering have had the molten solder disperse spraying solder on boards andoutwards to face, hands etc. This is due to the solderwick shorting anddischarging a capacitor across the solderwick. Th | ||
| Sony | STRVX550 | NO OPERATION | No operation, no display, but standby indicator does light up.Problem may be intermittent. Same problem happens on STRVX750. | ||
| Sony | STRVX550 | STK3042-II VOLTAGE AMP IC OVERHEATS - ORG. STK3042 OK | I have had a report that the STK3042-II overheats in thisunit, but the original type STK3042, which is NLA from Sony works ok. Anyideas? -HQ COMMENTS: The original STK-3042 also ran very hot. It is not un-common. There is not a big difference between | ||
| Sony | STRVX550 | NO CONTROL OF VOLUME, BASS, TREMBLE AND INPUT SWITCHING | Volume was at one set level and would not change. Displaywould change. Also all inputs were being passed through the ASP chip andswitching would not switch the ASP chip. ASP chip had been changed withno success. We had data circuit and strobe into IC | ||
| Sony | STRVX550 | RELAY CHATTER | Units power relay would chatter for some time and then wouldfunction properly. Problem may not show again for a few days. | ||
| Sony | STRVX550 | STK3042 AND RELATED VOLTAGE AMP ICS IN AUDIO PRODUCTS | I believe that the majority of failures are heat related. Ihave solved this problem in the past by adding a substantial heat sink tothe IC, bonding it with a thermal proxy. This reduced operating temp. by20 degrees C. I believe this greatly improves r | ||
| Sony | STRVX550 | UNIT WILL NOT TURN ON | The unit would not power up. We found IC403/P8 - remotedecoder to be low. This is the RESET pin. This was caused by an openC824 on the main board. Excessive ripple at IC402/P1 & 2 did not permitthe reset circuit to operate properly. | ||
| Sony | STRVX550 | INTERMITTENT FM | FM would fade, become static or dissappear. Had turntableconnected and would exhibit same symptom. Several repairs had been made. | ||
| Sony | STRVX550 | PREMATURE SPEAKER PROTECTION | When four speakers were hooked up, the unit would prematurelydisengage the speaker relay - about 20dB setting. We found C721 to beopen and causing the problem. | ||
| Sony | STRVX550 | PART NUMBER FOR SYSTEM CABLE 9 PIN | What is part number for system cable 9 pin between STR-VX550. -HQ COMMENTS: The number for 6 pin (not 9 pin) cable is 1-555-054-00. | ||
| Sony | STRVX550 | VOLUME STUCK IN LEVEL | Volume stuck in one level, however, display changed. | ||
| Sony | STRVX550 | SCHEMATIC DISCREPANCY | Auto stop circuit in unit is different from schematic. -HQ COMMENTS: There is a difference as you pointed out. The diode1S1555 is a recent addition and there are units that do not have it. Ifthere is no diode, add it in. The diode ensures that PROTEC | ||
| Sony | STRVX550 | P/N FOR BLACK CABINET PARTS | We need the part number for the black upper case, as well asnumbers for the other black style cabinet parts. -HQ COMMENTS: Part number is 4-886-109-31. The part is the same asCDP-610ES | ||
| Sony | STRVX550 | IC301 SHUT DOWN | The oscillator on IC301 was not running. We found Pin 34 tobe low. This was caused by IC401/P19 staying high. IC401/remote decoderwas defective. -HQ COMMENTS: Actual POWER ON is equivalent to conventional units whenyou press SYSTEM POWER. Then the s |