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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY KX2501
No picture control, replaced ic1302 1) rgb lines in the picture, red shaded area on the left sideof the screen which would change to green with the hue control. 2) nocontrol of picture, volume control would cause picture to vary and at aset point on the volume setting the picture control
SONY KX2501
Shut down, replaced flyback Unit would shut down every one or two minutes after 2 hourswarm up. i could not find anything wrong, but read fdrs and noticedflyback could be cause.
SONY KX2501
Shutdown, replaced h stat block H. v. shut down activates intermittently.
SONY KV8100
Dead No picture or sound when power was turned on. this symptomoccurred when unit was cold or after setting for several hours.
SONY KV2649R
Dead, replaced ic001 Set would turn on but no function could be activated. if youpush for example ch. up it would immediately change 2 or 3 channels thenwould come back to the ch. it was on just before last turn off.
SONY KV2649R
Dead, replaced ic001 Set would turn on but no function could be activated. if youpush for example ch. up it would immediately change 2 or 3 channels thenwould come back to the ch. it was on just before last turn off.
SONY KV2648RS
Missing r602 Servicer found r602 missing from board. looked like it wasnever soldered, as the holes were clean.
SONY KV2643R
Intermittent shut down, replaced h stat control unit Occasional slight arcing could be heard and set would inter-mittently go into high voltage shut down condition. inspection of h-statcontrol unit showed cracks in the plastic housing around the bottom cornerwhere one of the ground leads exists the unit.
SONY KV2145R
Retrace lines on the screen, replace ic502 Set had 6 or 7 retrace lines at top of the screen. i foundthat by cooling ic502 the lines disappeared.
SONY KV2145R
Intermittent channel change by itself, q007 Intermittently self initiates rapid channel changing.
SONY KV1948R
Beat interference, normal Beat interference visible on the screen during low vhf bandoperation. the beat pattern is composed of individual dots such as onewould see from digital interference. it only shows up on a weak rabbitear signal. it is the second harmonic of the power s
SONY KV1913
Intermittent horiz. whistle This unit had a very intermittent horiz. whistle. we foundt502 to be vibrating.
SONY KV1710
Intermittent loss of picture Highly intermittent loss of picture and sound leaving onlygray raster. loss would be from seconds to hours with no patterndetectable.
SONY KV1515
No channel tuning Unable to tune channels 2 and 4, found vc drive transistorq101 leaky, unable to bring voltage lower than 9vdc.
SONY KV1207
Jail bars on the screen Very dark jail bar pattern on screen. bars were so dark that they blank picture where they were. found horizontal pulses onthe +12v line at pin 10 of ic301, and discovered leaky c323.
SONY KPR4600
No sound, replaced ic-3010 No sound, found switch voltage (4vdc) reading 1.5vdc onic3010.
SONY KP4600
Mis-convergence Extreme mis-convergence on left and right sides of the screen(for about ten inches).
SONY KX2501
Picture fades out when external audio plugged in, d1206 Picture fades out when external audio plugged in. r675 openon ga board, r02 burnt on u1 board, q1343 and r1409 open on bd board.replaced these parts. video would fade out when audio plugged to eitherext. input or multi-connector, measured 8.5 to 9.1 vd
SONY KX2501
Dead, replaced diode on "k" board Evp-1 ckt operational, shutting down pps. replaced open r675.unit produced raster. hooked up a vtx-1000r. unit smoked and went dead.r675 open again, q1343 open, r02 on u-1 board burned. replaced all parts.unit again functional. however it was found
SONY KX2501
Shut down, replaced q652 on "ga" board Either horiz. scan comes up and goes immediately to horiz.shutdown or does not come on at all. voltage on q108 relay drive base lowand relay will not activate when transistor completely shorted prior togoing bad would come up and shutdown within 3 secon