Dicas Reparação
Modelo - Chassis KX2501A
Pesquisa: KX2501A Enviar Dica Resolvida
Resultados 13
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KX2501A | IBM TO 34 PIN CONNECTOR ON MONITOR/ NEED TO USE TMX-701 | Customer wants to connect their IBM to the 34 pin connector. -HQ COMMENTS: This monitor can not be connected to an IBM CGA computer. Using the TMX-701 or PC-701 connector cable. | ||
| Sony | KX2501A | RETRACE LINES ON PICTURE, REPLACED R-704 | Retrace lines in picture. | ||
| Sony | KX2501A | FOLDOVER AT TOP (VERTICAL), REPLACED C518 | There is a foldover at top of screen (vertical). | ||
| Sony | KX2501A | NO START UP, REPLACED T653 | Set would not start up. B + 320V, and 160V present on GAboard. Troubleshooting showed only a negative going pulse to the base ofQ652. Also there was no pulse on the base of Q651. Located defectiveT653. | ||
| Sony | KX2501A | HIGH PITCH SOUND AND SHUTS DOWN, REPLACED IC1501 | After 5 days of playing (6 hours per day) unit would shutdown and high pitch sound would come from GA board. If set was turnedoff for a few minutes (2 min) set would operate OK for a few days. | ||
| Sony | KX2501A | ALL BLUE RASTER, RETRACE LINES, VERY LOW VIDEO LEVEL, Q1302 | CRT raster was all blue with faint retrace lines and very lowvideo level. We were unable to reduce the blue level with CRT or bright-ness controls. DC voltage checks allowed me to trace problem to a leakytransistor, Q1302 on BD board. | ||
| Sony | KX2501A | SET DEAD, REPLACED C666 AND D658 (ADD 4700PF ACROSS D658) | Should D658 short R675 opens. No 16V to IC651 allowing powersupply to produce 240V on 140V line. Blowing out C666. | ||
| Sony | KX2501A | NO SYNC, REMOVE COPPER INSERT FROM U1001 | There have been several units brought into the FSC for repairwith the symptom of no sync. The problem has been traced to theprotective insert installed on the U1001 input terminal. This plug shortstogether pins 1 and 18. This turns on Q1329/sync switc | ||
| Sony | KX2501A | DEAD SET, REPLACED D1514 | The power supply was whistling and there was no picture orsound. We found D1514 in the high voltage regulator to be shorted. Thispresented about 30 ohms to the 140V line. The fuse never opened. | ||
| Sony | KX2501A | PICTURE FADE IN AND OUT, REPLACED Q1320 | When set would get warm, the video information would fade inand out very slowly. By keeping Q320 turned off, the video would notfade. Everytime the video started to fade, the base of Q320 would go lowand it would turn on. Found Q1302 on BD board was l | ||
| Sony | KX2501A | VERTICAL BARS IN THE PICTURE, REPLACED C1527 | Light vertical bars in the picture. | ||
| Sony | KX2501A | SHUT DOWN, REPLACED C657 AND Q652 | Transistor Q552 shorts out as soon as the voltage reaches70V on GA board. | ||
| Sony | KX2501A | BEAT PATTERN IN THE PICTURE, RE-ROUTED CABLES P2 AND P3 | There was a beat pattern in the form of a 1 inch vertical lineabout 2 inches in from left side, on ch. 7 only. Moving the AC cordwhere it was connected to the D board would increase or decrease theproblem. |