Sony TV Repair: Common Faults and Solutions.


AIWA
BEKO
CCE
CINERAL
DAEWOO
FUNAI
GRADIENTE
GRUNDIG
HISENSE
HITACHI
ITT
JVC
LG
MITSUBISHI
PANASONIC
PHILCO
PHILIPS
PIONEER
RCA
SAMSUNG
SANYO
SHARP
SONY
THOMSON
TOSHIBA
VESTEL


Search: Sony
Results: 20067

Sony Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SONYKV1952RX
No functions, replace x2001No 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.
SONYKV1948R
Vertical rolling, leaky d513Vertical rolling and little foldover in picture, verticalcontrol in the front panel has little effect.
SONYKV1947R
Faded picture, c519 openFaded 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.
SONYKV1924
Bad tubeThis unit had a weak tube. also r555 was open by shortedc548.
SONYKV1207
Snowy pictureThis was the 3rd time in for snowy picture. each time foundfailure of transistor q101.
SONYVTX1000R
Video muteKx-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.
SONYVTX1000R
No channel changeWould not change channels after approx. 30 minutes playingtime.
SONYKX2501A
Vertical bars in the picture, replaced c1527Light vertical bars in the picture.
SONYKX2501A
Shut down, replaced c657 and q652Transistor q552 shorts out as soon as the voltage reaches70v on ga board.
SONYKX2501
Pincushion distortion, circuit changePincushion distortion.
SONYKX2501
No video out, replaced q1343No 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.
SONYKX1901
Shorted crtThe 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.
SONYKV9200
130v would not regulate130v would not regulate. all components in power supplychecked good.
SONYKV3000R
Mechanical incorrect operationThe doors would operate only intermittently on this unit.i found that motors for the left and right sides had come loose.
SONYKV2654R
Color on b/w picture, adj cv-301Color confetti on b/w telecast.
SONYKV2649R
Lose color, replace x001When unit was turned off/on color would lock in. turn off/onagain and you would lose color and the channels would not change.
SONYKV2648R
Intermittent picture shrink, replaced ic601Picture shrinks intermittently. stations shift when pictureshrinks.
SONYKV2648R
Dead set, replace r570 and h outAfter about 15 min. horizontal output transistor (2sd957a)would short out. during the first 15 min. transistor would increase intemperature. found r570 was reading less than 0.2Ω - should be 0.22Ω - was able to put in a 0.23Ω and everything rem
SONYKV2647RX
Jail bars on the screen, changed d250This unit had faint jail bars on left side of picture.
SONYKV2647R
Audio buzz on scrambled stations, adj t204/205 sifAudio buzz on scrambled stations only. the following stationsexhibited the problem: hbo (ch. 30), showtime (ch. 34) and cinemax(ch. 38). they use jerrold box (new england cablevision cable co).