Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | STRAV1070X | HISS IN CENTER CHANNEL ON DOLBY MODE | I have two units where the customers have complained of a hissnoise on the center channel output. Most of the complaints are about therear channel. No information is available on this, please give advice assoon as possible. | ||
| Sony | CDXU8000 | DOES NOT PLAY CD'S (REPLACE "B" FLEX BOARD P/N 1-634-333-11) | The unit will not play CD's. I found the flex connectorcracked where the shield comes in contact with it, this also applies toSN 103563 and 107614. | ||
| Sony | CDX5260 | NO RESPONSE TO MINUS BUTTON, REPLACE SW818, PN 1-572-704-21 | The minus select button of the unit is inoperative. Theswitch is not physically worn out since it still clicks when pressed, butit will not make contact electrically. | ||
| Sony | CCDTR31 | SERVICE MANUAL ERRORS | Page 126 (AV-138 board) shows 3.6 vdc at pin 2 of IC602 andpage 108 (VS-95 board) shows 0.5 vdc at pin 13 of IC407. Which is thecorrect signal? -HQ COMMENTS: Correct voltages are as follows: IC602 pin 2: 0 Volts DC IC40 | ||
| Sony | NT1 | NO RECORD OR PLAYBACK (RESOLDER CONNECTIONS ON IC1) | The unit will not playback or record. The tape moves veryslowly in the unit. | ||
| Sony | KV27TS27 | WHINE FROM L506 HLC, APPLIED HOT GLUE AROUND COIL | There was a high whine so I replaced L506 but the unit cameback with the same problem. | ||
| Sony | SLV555UC | TAPE WILL NOT PLAY AFTER REWOUND TO BEGINNING: CAPSTAN MOTOR | The tape will not play when it is completely rewound to thebeginning. If the tape is removed and ran forward a few inches in anothermachine, then replaced in this unit it will play fine. | ||
| Sony | MZ1 | POOR TRACKING (RESOLDER OPEN BETWEEN RV501 AND IC-505 PIN 2) | The unit will intermittently track discs. Audio dropouts andinability to read discs were the observed symptoms. | ||
| Sony | FD510 | NO PICTURE (C BOARD DISCONNECTED), RECONNECTED THE "C" BOARD | The units had power and audio, but no picture. I found theC board unplugged from the CRT. Apparently it was pushed off the endby a deflection yoke which had slid down the neck of the tube. The yokefelt snug around the tube, perhaps in hot or cold temp | ||
| Sony | SPPA60 | NO RING - C-165 IN BASE PUSHED THROUGH THE BOARD. | There was no ring on the base or handset. I found C165 waspushed through the board. | ||
| Sony | TCWR590 | BOTH DECKS PLAY AT HIGH SPEED - Q804 FAULTY P/N 8-729-900-65 | Both decks were playing at high speed. Pin No. 11 of IC-801,speed control was switching and Q-804 collector was not. | ||
| Sony | TCWR521 | BOTH DECKS PLAY AT HIGH SPEED - Q804 FAULTY P/N 8-729-900-65 | Both decks were playing at high speed. Pin No. 11 of IC-801,speed control was switching and Q-804 collector was not. | ||
| Sony | FH7MKII | NO STERO SIGNAL IN TUNER - C308 SHORTED 1-161-651-00 | The tuner would not lock into a stereo signal. The stationswould not tune to stereo signal and one channel was very low. I found pin10 of MPX IC301 (right output) to be at zero volts. I found shorted C308was pulling pin 10 down to ground. | ||
| Sony | CCDTR9 | NO CAMERA Y SIGNAL/ IC301 PINS 9/10 SHORTED | The unit had no camera Y and E to E showed only chroma. | ||
| Sony | TCWR590 | DECK B INOPERATIVE, AUDIO PCB MISSING TRACE TO CAPSTAN MOTOR | When you press the play button, the reel motor turns but thecapstan motor does not. The voltages on the motor were measured and foundto be +5 volts. When you press play, the voltage on the power line tomotor goes to -7 volts. |