Dicas Reparação
Modelo - Chassis KX2501
Pesquisa: KX2501 Enviar Dica Resolvida
Resultados 67
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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 | KX2501 | IBM TO 34 PIN CONNECTOR ON MONITOR/ CAN NOT BE CONNECTED | Customer wants to connect their IBM to the 34 pin connector. -HQ COMMENTS: This monitor can not be connected to an IBM CGA computer. Only the KX2501A or KX1901A can be connected using the TMX701 or PC701connector cable. | ||
| Sony | KX2501 | JAIL BARS IN PICTURE, REPLACED C-667 | Jail bars vertically in picture. Traced ripple to +12 voltline on board PCB with oscilloscope then traced it to an open C-667 the15 volt filter for the 12 volt supply from the switched mode supply. | ||
| 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 | KX2501 | DIM PICTURE, REPLACED R1597 (CHANGED VALUE) | Dim picture. Picture control inoperable. | ||
| Sony | KX2501 | POOR TO NO OPERATION AT LOW VOLTAGES | Unit started whistling and misbehaving (width problems,pin-cushion, etc.) if voltage was 120V or lower (ok at 121V). | ||
| Sony | KX2501 | HORIZONTAL LINE ACROSS SCREEN, REPLACED R1544 | Horizontal line across the screen (loss of vertical scan). | ||
| Sony | KX2501 | SHUTDOWN/BLANKING PROBLEM, REPLACED HVR BLOCK | Set shut down intermittly. | ||
| Sony | KX2501 | VOLUME CONTROL CHANGES PICTURE LEVEL AND R02 BURNT, D1205 | Resistor R02 on U-1 board burnt. No video and volume controlwill affect picture level. Checking from chassis ground to power supply12V ground the voltage was -11V. Disconnected K1 and voltage remained.Further checking found D1205 shorted and Q1440 bad | ||
| Sony | KX2501 | POWER SUPPLY, REPLACED LEAKY Q651 AND Q653 | Set came in with conv. xister out. Xister was replaced andreturned cust. Set back in one week with conv. out again. Replaced conv.and would get hot after few minutes operation. Could find no symptoms inpix or raster. All secondary voltages OK. Clos | ||
| Sony | KX2501 | H SQUEAL AND MISCONVERGENCE, REPLACED HVR AND L504 | Unit had H squeal. Also, found when unit was cold, it hadmisconvergence on edges of CRT. After the unit warmed up, convergence wasOK. | ||
| 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 | KX2501 | NO VIDEO, REPLACED Q1903 | Set powers up with H.V. and audio. No video. Q1901 gets veryhot, B+115V. Measure resistance L1505 on D board to GND, found short.Q1903 shorted. | ||
| Sony | KX2501 | SHUTDOWN, REPLACED H OUT TR INSULATOR | Set had intermittent shutdown with eventual burn out of hori-zontal output transistor. |