Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por:![]() |
---|---|---|---|---|---|
Sony | KV25XBR | INTERMITTENT RIGHT CHANNEL AUDIO, RESOLDERED J001 | Intermittent right channel audio. Audio signal was presentat connector U9/pins 1 and 4. Audio signal could also be seen atU9/pin 3, open signal return path. | ||
Sony | KV25XBR | DEAD , REPLACED "C" BOARD AND FLYBACK | Found unit dead bad FBT taking out 40v line to C board.Replaced C board and the new one started to burn pack on D board.Found leads of connector D6 switched on 2 new boards, the 200v and 40vwire. | ||
Sony | KV25XBR | DEAD, REPLACED FBT, H OUT AND HVR | Found shorted FBT, H out and cracked HVR. | ||
Sony | KV25XBR | NO VIDEO/AUDIO, SLEEP ON, REPLACED FLYBACK TRANSFORMER | Sleep comes on but no video or audio. | ||
Sony | KV25XBR | RGB STAYS ON, REPLACED IC-103 | RGB stays on all the time. No RGB switching. | ||
Sony | KV25XBR | NO TV MODE ONLY VIDEO, REPLACED S1009 | Push any button except power, TV-video, or RGB. The onlyresponse is the TV will cycle through Video 1, Video 2, and Video 3. TheTV mode will not function at all. Power & RGB function correctly. | ||
Sony | KV25XBR | DEAD, REPLACED FBT, HVR, AND IC-1502 | Found flyback shorted, HVR cracked. Put new FBT & HVR. No pin traced to IC 1502. | ||
Sony | KV25XBR | NO PIX,RESOLDERED CONNECTOR GB BOARD REPLACED Q209 AND D204, | No picture, | ||
Sony | KV25XBR | WHITE POWDER BUILD UP ON CABINET AND CHASSIS (UPDATE) | Some complaints of a fine white powder or dust collecting onthe outside and inside of cabinet. There seems to be a build-up aroundpicture tube shield and A board. -HQ COMMENTS: Dust collecting on outside of cabinet is definitely ofoutside origin. Ever | ||
Sony | KV25XBR | FAILURE TO DISPLAY PICTURE, REPLACED Q-1504 | The TV had no picture and functions on the front panel wereinoperative. Vertical pulse was missing on pin #4 of IC103 on the A-board. The other problem was there was no video out of IC 301. Theoutput pins 34, 33, and 32 were all Ov. All pulses and DC | ||
Sony | KV25XBR | NO VIDEO/SWITCHING PROBLEM | There was no video displayed on the screen or present at themonitor out jack. Sound was ok and characters were present. We found theproblem to be caused by an open pull up resistor R-913 U board. Thisprovides bias for IC-805/video switching and the vi | ||
Sony | KV25XBR | SET SHUTS DOWN - WHEN ITS ON HORIZONTAL WIDTH IS PULLED IN | Set shuts down upon turn on but if you turn it on a number oftimes, it will turn on but horizontal width is pulled in approximately 1/4to 1/2 inch on each side of the picture. | ||
Sony | KV25XBR | FUSE BLOWS WHEN UNIT IS PLUGGED IN | Blows F-601 7A/125V. As soon as unit is plugged in, fuseblows. | ||
Sony | KV25XBR | DEAD SET, REPLACED THP-601 | Set had open line fuse. I could find no shorts. New fuseblows instantly. | ||
Sony | KV25XBR | SEVERE DISTORTION - LOOKS LIKE EXTREME PINCUSHION | Severe distortion on sides and center of picture. |