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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CCDTR5 | DEW AND REC (VTR) LIGHT STAYS ON, CAMERA VIDEO FLICKERS | Dew light and VTR REC light stays on and camera videoflickers. DEW and VTR REC light do not affect VTR functions. | ||
| Sony | KV2780R | NO PINCUSHION, REPLACE R-1514 | Unit had no pincushion correction. Collector of Q-1501 had DCbut, no waveshape. There was signal present at pin 3 of IC-1502 and atone side of R-1514. | ||
| Sony | KV27HFR | VERTICAL ROLLING OF PICTURE, REPLACE R-527 | Checked the signal of IC-301 pins 47 and 48 found the synclevel at pin 48 was rounded off. Checked surounding components and foundR-527 had increased in value. I also checked C-520. | ||
| Sony | CFSW303 | WRONG PART NUMBERS IN MANUAL FOR MOTORS | The service manual has the wrong part numbers for the twomotors M-471 and M-481. The correct number for M-471 (deck B motor) hasbeen verified, but not for M-481 (deck A). The error seems to be only inthe later service manual which contains the AEP mode | ||
| Sony | STRAV910 | ERROR IN SCHEMATIC AND PARTS LIST FOR Q-721 | The schematic and the parts list show this transistor as aPNP, 2SA1841. In reality this is a NPN, 2SC-1841 in the set. Please explain is this an error and should a correction be made? -HQ COMMENTS: The service manual has a misprint. If you reference | ||
| Sony | KV27TS22 | INTERMITTENT VIDEO BLANKING, REPLACE REG IC-601 | As the AC line voltage would fluctualte, the video wouldbecome blanked out in an area that would vary in size and shape. The135VDC line never increased over 117VDC. Note: The blanked portions ofthe video would take weird sizes and shapes. | ||
| Sony | KPR4600B | NO LAST CHANNEL MEMORY AT TURN ON, REPLACED Q-308 AND D-339 | No last channel memory at turn on. Also the set wouldintermittently come on with a de-tuned picture or possibly a weirdcombination of numbers in the channel display area. We noted the resetvoltage to pin 7, IC-001 on M board never got over 1.5VDC and a | ||
| Sony | WMAF62 | NO DISPLAY | No display. Tape worked. Radio had static on AM and FM, andVDD was at 0V. | ||
| Sony | WMAF62 | NO FM, STATIC | VCO was ok, AM was ok and stations would scan on display butnot lock in on FM. On known station you will get static. IC-101 allvoltages were ok. IC-001 pins 1, 2 and 4 were low. I had this problemthree times in three months. | ||
| Sony | KV32CX10 | PURITY, APERTURE GRILL CAME OFF, REPLACED CRT | Aperture broken lose. | ||
| Sony | KV27TS25 | POOR PICTURE, CRT | Measured low emission. | ||
| Sony | KV27TW70 | POOR PICTURE, LOW EMISSON CRT | Measured low emission. | ||
| Sony | KV19TR20 | ARCING, CRT | Internal arcing. | ||
| Sony | WMAF58 | PART NUMBER MISSING FOR BATTERY TUBE | There is no part number listed in the S/M for the BatteryTube. -HQ COMMENTS: Part number is 3-351-508-01. | ||
| Sony | WMAF54 | PART NUMBER MISSING FOR BATTERY TUBE | There is no part number in the S/M for the Battery Tube. -HQ COMMENTS: The part number is 3-351-508-01. |