Dicas Reparação SONY
Modelo - Chassis
Pesquisa: SONY Enviar Dica Resolvida
Resultados 18938
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KP5040 | INCORRECT MECHANICAL FUNCTION | When closing mirror assy, motor stops intmtly during first 3or 4 inches of travel. This is more severe if even the slightest pressureis applied in a downward motion on the reflector when motor is running.The plastic pipes tend to jam severely when press | ||
| Sony | KP5040 | SHUT DOWN, REPLACED HIGH VOLTAGE BLOCK | Door would not open. Unit would shut down. | ||
| Sony | KP5000 | OUT OF CONVERGENCE | Green would go in and out of convergence as the green tube wasarcing. Also brightness level change would affect size of green pictureproducing misconvergence effect. | ||
| Sony | KX2501 | INTERMITTENT BLACK BLOBS IN PIX, REPLACED T1501 | Black blobs intermittently come and go and move around thescreen. The intensity and size can be varied by adjusting the videoinput level or AC input. By observing the waveforms in the horiz.circuit we found varying amounts of distortion at the secondar | ||
| Sony | KX2501 | VOLUME LEVEL CHANGES WITH PIX CONTROL, REPLACE IC101 | Sound would increase when increasing picture level, decreasewhen lowering picture. Adjusting sound control would have similar effecton picture level. Mute control would not fully mute sound. PWM signalsfrom uP, IC101 Pins 2 and 3 were of the same ampl | ||
| Sony | KV9400 | INTERMITTENT COLOR | This set was intermittently losing color. Found horiz. pulsemissing at Pin 20 of IC301. Traced problem to C311 which was opening up. | ||
| Sony | KV9200 | RETRACE LINES | Customer objected to three-four vertical retrace lines onlyvisible while watching two channels 9 and 32. Lines appeared to sparkleas if they were being modulated with information. Scoping verticalblanking pulse, noticed excessive pulse width. Working | ||
| Sony | KV2647R | BLACK LINES ON THE SCREEN, REPLACE IC501 | Solid black line across the screen about 1/2 inch thick,2 inches from the top. Very intermittent. | ||
| Sony | KV2647R | NO COLOR, REPLACE IC501 | No color. Very low burst. | ||
| Sony | KV2645RS | NO UHF, REPLACED PRESCALER BT-981 | No UHF, VHF OK. All voltages and pulses present exceptTP-59. | ||
| Sony | KV1943R | INTERMITTENT SOUND, REPLACED C226 | Highly intermittent audio. Slight popping noise beforegoing out. | ||
| Sony | KV1923 | TUNING UP/DOWN WOULD NOT LOCK | In the program mode tuning up/down set will not lock onchannel. | ||
| Sony | KV1914 | NO SOUND | No sound. Voltage at Pin 21 of IC201 was low, should havebeen 5.8 VDC, was only 4.0 VDC. | ||
| Sony | KV1543R | INTERMITTENT COLOR FADE, REPLACED C308 | Intermittent color fading. This problem was highly inter-mittent, sometimes taking weeks to manifest itself. The color would fadeout completely. Chroma input to IC301 Pin 13 would not change at allduring fade outs. DC level was varying slightly, betw | ||
| Sony | KV1515 | NO VHF CHANNEL | Low VHF channels cannot be received. Found D501, D502shorted. |