Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | XR7500 | UNIT LOCKS UP | If power is removed when tape is playing the unit locks upwhen power is re-applied (no function or button will work). M901, Q301, &IC501 have been replaced. Manual reset will not clear problem. Pressingthe OFF button or lifting the handle before turni | ||
| Sony | STRAV970X | R-975 REPLACEMENT PART NO LONGER AVAILABLE | Service bulletin HFP0320 calls for replacing R-975 with a partnumber 1-214-848-00. There are none available from Kansas City Parts,while there are 22 backordered for Kansas City Parts. They show noarrival date and the REPL column now shows a replacemen | ||
| Sony | STRAV970X | SCHEMATIC ERRORS - VOLTAGES AROUND IC202 ARE INCORRECT | The voltages on IC-202 are not correct. Pin 21 shows 5vdc andis going to pin 4 of IC-201 which shows 0vdc but it goes to pin 24 ofIC-101 on the display board which shows 5vdc. Also pins 51 through 61 areshown as 0vdc but pin 53 goes to Q-205-E which sh | ||
| Sony | EVC3 | PAUSE AND SCAN BRIGHT AND WASHED OUT. ADJUST RV801 1VP-P | Unit played fine in scan and pause (jog mode). Picture toobright. | ||
| Sony | TCC5 | TRAY WILL NOT MOVE INTO PLAY POSITION - REPOSITION TRAY | Door closes but tray does not move into Play position. Fiveseconds later door will reopen. Door switch is good. | ||
| Sony | TCC5 | DRUM WILL NOT LINE UP IN THE RIGHT POSITION, DRUM AND D891 | Drum will not line up in the right position. Spins and stopsbetween cassette holders then starts spinning again and stops betweencassette holders and so on. | ||
| Sony | CFD440 | CD NOT FUNCTIONING - REPLACE D-701, P/N 8-719-911-19 | No mechanism motion. D-701 opens, dropping 2 1/2 volts acrossit. I repaired only the CD section and of the ones I repaired about twoout of 20 have this problem. | ||
| Sony | D180K | DEFECTIVE BACK LIGHT - REPLACE PL-901, P/N 1-518-585-11 | The LED's behind the play mode, key mode and stop buttons arevery dim. Checked voltages on Q-901 and they were fine. Checked PL-901and voltages were off slightly. Disconnected PL-901 and LED's were fine.PL-901 was drawing too much current. Applies to | ||
| Sony | CDPC325 | POPPING NOISE WHEN AMS BUTTON IS PRESSED (R-375 NOT MOUNTED) | Popping noise heard when AMS button is pressed in rightspeaker and sometimes distorted audio. Checked the inputs of IC-306 andfound pin 4 had incorrect voltage. Upon diagnosis of input circuit Ifound R-375 to be missing. Also applies to serial number | ||
| Sony | CDPC425 | POPPING NOISE WHEN AMS BUTTON IS PRESSED (R-375 NOT MOUNTED) | Popping noise heard when AMS button is pressed in rightspeaker, and sometimes distorted audio. Checked the inputs of IC-306 andfound pin 4 had incorrect voltage. Upon diagnosis of input circuit Ifound R-375 to be missing. Also applies to serial number | ||
| Sony | TCW31 | NO AUDIO OUT ON DECK "B" - IC501 FAULTY, 8-759-601-06 | Incorrect voltage at pins 12 and 13 of the selector, IC-303.Upon diagnosis of IC-501, found pin 1 remaining high after unsoldering.Also applies to serial number 8807705. | ||
| Sony | MZ1 | UNIT DISPLAYS "HOLD" (CN-803 NOT CONNECTED) | Unit would not load disk. Unit displays Hold. CN-803 wasunplugged. | ||
| Sony | MZ1 | NO POWER WITH AC ADAPTER (NICAD BATTERY OK); PS-401 OPEN | Unit had no power with adapter, but worked ok with battery. | ||
| Sony | MZ1 | INTERMITTENTLY WON'T ACCEPT MO DISCS (REPLACE REF. # 108) | When trying to load a recordable disk, the unit will eject thedisc immediately. It sometimes accepts disc with unit upside down. Foundpin 66 of IC-801 jumping high but not going back low as recordable discwas inserted. All three units loaded pre-recor | ||
| Sony | CCDTR101 | NO OPERATION WITH RM-95 (PERFORM SB CAM0112 IMPROVEMENT) | Customer's RM-95 does not operate her camcorder. It also doesnot operate a CCD-TR81. Does service bulletin number CAM0112 apply tothese models? this RM-95 will not work on any camcorder with a regulatedLanc DC of 5.6V. The reset IC in the RM-95 is no |