Dicas Reparação
Modelo - Chassis KV3000
Pesquisa: KV3000 Enviar Dica Resolvida
Resultados 12
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV3000R | COLOR SMEARED LOOKS LIKE BAD CRT, C702 | When looking at the RGB outputs on the C Board, the P-Pvideo level was over 300v. This was because horizontal pulses wereriding on the 200 volt +B to the video drivers. Found C702 a 0.47MFD350V open. | ||
| Sony | KV3000R | PART NUMBER CORRECTION: R-903 | Found error in the service manual on page 68: Incorrectentry: No. 262 part number 1-205-601-00 res, wirewound 10 Ohm/20W (R-903).Correct entry: No. 262 part number 1-205-526-00 res, wirewound 220 Ohm/40W(R-903). The part list entry for R-903 (page 97) | ||
| Sony | KV3000R | SHORT SCAN | Picture pulsates narrow sweep. 150V supply down to 90V. | ||
| Sony | KV3000R | DEAD UNIT | Dead. F604 was opened. | ||
| Sony | KV3000R | UNIT WAS DEAD | Dead. F601 was opened. | ||
| Sony | KV3000R | DEAD | Dead. Found 150VDC fuse on the F board open. Second problemis both doors were slipping on the track. Repositioned door motor. Thisis the second unit I have found that the nuts that hold the motors wereloose. Upon closing door would reverse and open. | ||
| Sony | KV3000R | MECHANICAL INCORRECT OPERATION | The doors would operate only intermittently on this unit.I found that motors for the left and right sides had come loose. | ||
| Sony | KV3000R | UNIT COULD NOT BE POWERED ON | Unit could not be powered on. Inspection revealed lack of12 volt DC to control circuits. | ||
| Sony | KV3000 | INTERMITTENT MECHANICAL INCORRECT OPERATION | Dealer informed me the doors on KV-3000 would sometimes notclose, this was very intermittent. Changed resistor R606 from 180K to120K. Dealer will inform me if the problem happens again (resistor onMG-2 board). | ||
| Sony | KV3000 | INTERMITTENT LOSS OF RED COLOR | Customer complained of intermittent loss of red in the color.Servicer found bad connection at base of Q1344 on the B board. | ||
| Sony | KV3000R | DOOR JAMMING | Left side door was found to be inoperative when inspected bydealer. Found mounting bolts loose on motor assembly. Motor ass'ydrive gear could not engage in door drive track. Bold heads had pulledinto soft wood due to shipping and handling jolt. | ||
| Sony | KV3000R | NO REMOTE FUNCTIONS | Upon inspection after delivery to dealer it was noted thatthere were no remote functions and only limited manual functions. Powercame on immediately after engaging master power switch and set could notbe turned off except with same. The only other manu |