Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | TAN88B | INCOMPATIBLE V-FETS | Replaced V-FETS with new ones and power supply fails. Butwhen a set of V-FETS from another unit are used, unit worked correctly. | ||
Sony | TAN88 | OPEN C410 | The 78V line was reading about 110V on this unit and thesound was distorted. Adjusting RT401 had little effect. We found C410to be open and causing the problem. | ||
Sony | TAN88B | DEFECTIVE C409 | Dead. Found signs of overheating around C413 and C423 asusual. Also found area around R419 scorched from heat. | ||
Sony | TAN88 | DEFECTIVE COMPONENTS ON POWER SUPPLY BOARD | Complaint was intermittent noise in left channel. Speakerrelay would not stay on. Found L-ch waveform at TP1 at B-level, R-chwaveform erratic. | ||
Sony | TAN88 | BROKEN PCB TRACES | R-ch won't work. |