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Sony Repair Tips




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Search: sony
Results: 20072
Make Model Symptom Problem Solution By
SONY KV2647RX
No reception on cable, replaced c208 Set would not receive channel 2 on cable. all other channelsok. trimming of aft coil on the board (t203) did not help.
SONY KV2647RX
Uneven shading and jail bars, shorted l204 Uneven shading darker left to right, and jail bars. jailbars show up on dark screen. shading shows up also on dark picture.
SONY KV2647R
Green raster with retrace lines, replace ic-501 Green raster and retrace.
SONY KV1954R
Looks like crt failed, shorted c530 and open r538 This set appeared as though the tube was weak. c530 wasshorted and r538 was open.
SONY KV1953RX
No functions, replace q2002 No ch. display light. no audio. no front panel controls.ic2001 (cx7931a) on m brd was receiving the info. on pins 3/4 from ic001on the mu brd. however, output back to pin 5 of ic2001 was not occurring.pin 12 of ic2001 was reading 6.4v instead of 12v.
SONY KV1952RX
No functions, replace x2001 No remote or manual functions. channel indicator lamps didnot come on. this is the 2nd one i have found. i have also had 3servicers that have had the same problem.
SONY KV1948R
Vertical rolling, leaky d513 Vertical rolling and little foldover in picture, verticalcontrol in the front panel has little effect.
SONY KV1947R
Faded picture, c519 open Faded picture and picture control has no effect. horizontalripple on q342 and pin 4 of ic341, it effects all pins of dynamic picturechip. found c519 open.
SONY KV1924
Bad tube This unit had a weak tube. also r555 was open by shortedc548.
SONY KV1207
Snowy picture This was the 3rd time in for snowy picture. each time foundfailure of transistor q101.
SONY VTX1000R
Video mute Kx-1901 plays fine with external video but when hooked tothe vtx-1000 it goes into video mute. we found ic005/if chip in thevtx-1000 to be defective.
SONY VTX1000R
No channel change Would not change channels after approx. 30 minutes playingtime.
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 KX2501
Pincushion distortion, circuit change Pincushion distortion.
SONY KX2501
No video out, replaced q1343 No video out. traced problem to bd board. 12vdc regulatorleaky. voltage reading was 10vdc, should be 12vdc. this caused incorrectbias to be applied to rgb drive transistor via bd cutting off the drivetransistors.
SONY KX1901
Shorted crt The picture tube shorted causing a chain reaction ofdestruction. the hvr block was found defective. also found were shortedhoriz, output transistor, shorted reguator transistor, and a bad flyback.
SONY KV9200
130v would not regulate 130v would not regulate. all components in power supplychecked good.
SONY KV3000R
Mechanical incorrect operation The doors would operate only intermittently on this unit.i found that motors for the left and right sides had come loose.
SONY KV2654R
Color on b/w picture, adj cv-301 Color confetti on b/w telecast.