| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| 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 | XRC210 | NO POWER (FOUND IC610 WAS DEFECTIVE) | No power, IC610 ref voltage not there. | ||
| Sony | XR4410 | CLOCK RUNS SLOW (APPROXIMATELY 1.5 MINUTES EVERY 10 DAYS) | The clock loses about 1.5 minutes every 10 days. | ||
| Sony | XR3310 | CLOCK RUNS SLOW (APPROXIMATELY 1.5 MINUTES EVERY 10 DAYS) | The clock loses about 1.5 minutes every 10 days. | ||
| Sony | SVX20 | NO FUNCTIONS (FOUND BAD SOLDER CONNECTIONS ON L803) | You could only turn power on and off. Unit does not performany function. | ||
| Sony | MDX400 | OPTICAL DIGITAL ADAPTER PLUG AVAILABLE AT NPC: ORDER XAD210 | This model offers a digital output signal if the customerpurchases the optional optical digital adapter plug, wich converts theelectrical digital signal from the jack on the rear of the in-dash unit tooptical. What is the part number for the adapter plu | ||
| Sony | CDX900 | OPTICAL DIGITAL ADAPTER PLUG AVAILABLE AT NPC: ORDER XAD210 | This model offers a digital output signal if the customerpurchases the optional optical digital adapter plug, wich converts theelectrical digital signal from the jack on the rear of the unit tooptical. What is the part number for the adapter plug. -HQ | ||
| Sony | CDX65RF | 1 DISC NOT EJECTED (REPLACED REF. 60 AND REF. 205) | Unit came in with one CD stuck inside. Looks as if cust triedremoving all discs but one. Noticed MD assy was not chucked down. Resetunit and unit ejected disc, but when attempt to play disc elevator stopsmoving but you could hear that the elevator mot | ||
| Sony | CDX5070 | NO POWER (FOUND IC501 AND IC503 DEFECTIVE) | IC503 was physically damaged. After replacing IC503unit wasstill dead. Checked voltage on pin 41 of IC501 for changes wheninstalling face plate, voltages were correct on pin 41, but there was nochange on pin 43 & 44 of IC501. | ||
| Sony | CDX5060 | NO DISPLAY (FOUND D501 OPEN) | No display. | ||
| Sony | CDX4040 | BASS VIBRATIONS CAUSE SKIPPING (REPLACED OPTICAL PICKUP) | Bass reflect makes CD skip. | ||
| Sony | GVM20 | SCREEN DOES NOT WANT TO COME ON, REPLACED PS201 | When Ac and battery are used there is no power to the unit.Check all fuses at power supply are ok. Found PS201 is open. This fuseis on the B+ line that goes into regulator IC202. This IC202 is alsosuppling B+ to IC201. | ||
| Sony | CCDTR91 | NO REC/REC START/STOP SWITCH STUCK CLOSED | No rec. VTR controls inoperative. CC ok. Noticed noelasticity of S/S switch when depressed. Close examination revealedswitch stuck closed. |