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TV Repair: Common Faults and Solutions.


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Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SONYTCK950ES
Addendum to fpr l1264Customer has had three brand new units with the same problem.each evidences a scraping noise, apparently coming from the t-side pinchroller. repetition rate of noise roughly equals one rotation of pinchroller. on his second unit i replaced the pinch ro
SONYKPR4110
P/n for the new d board,a-1340-802-aServicer found when servicing this unit that the d-board wascracked and ordered a new one. upon receiving the new board, he noticedthat the new board contained only 6 connectors while the old boardcontained 8 connectors. the only part number in the s/m
SONYEVS350
Incorrect part numberAbove part number substitutes to 8-719-109-57. this isincorrect as this is a rd2-4esb2 diode.
SONYKVX370
No operation (power only)Unit appears dead but there is power.
SONYCDXA30
No playIf replacing rf board on unit, there will still be no play.
SONYCDXR77
No ejectDisc hangs up before eject cycle is complete. found loosegear on roller shaft.
SONYCDXR77
No audioFound connector cn-101 disconnected due to excessive pullingon external audio output cables (cnj401).
SONYCCDV101
No playback rfTraced problem to hr-10 board not receiving rp-5v on pin 7,however, had 5v on pin 19 (reg 5v) traced problem to l-236 open (236 wouldnot cause problem if the schematic were correct).
SONYCDXA30
Revision of service bulletin number car0130The service bulletin tells you to connect pins 3 and 7 in thermx2 to cure the distorted audio but in most cases the customer usuallysends in the cdx-a30 and not the rmx2.
SONYCDPC305
Incorrect part number - spindle motorPart number for spindle motor (m-101) is incorrectly listed inthe service manual.
SONYCDPC205
Incorrect part number - spindle motorPart number for spindle motor (m-101) is incorrectly listed inthe service manual.
SONYCDPC201
Incorrect part number - spindle motorPart number for spindle motor (m-101) is incorrectly listed inthe service manual.
SONYCDPC35
Incorrect part number - spindle motorPart number for spindle motor (m-101) is incorrectly listed inthe service manual.
SONYCCDV5000
Vertical lines in pictureVertical, winding lines in picture, unstable raster.
SONYCCDV101
Vertical lines in pictureVertical, winding lines in picture, unstable raster.
SONYCCDV99
Vertical lines in pictureVertical, winding lines in picture, unstable raster.
SONYD25
Disc would not rotate when play pressedWhen the play button is pressed, disc spins intermittentlywith lid closed. with lid open and interlock defeated unit works.particular problem with three-inch discs.
SONYCCDF70
Superimposer distortionWhen superimposer was engaged, picture would go intodistortion. this is the second camera with this problem.
SONYSTRAV1010
Distorted audio in one channelUnit had distorted audio in one channel only after about twohours of undisturbed playing (any power supply input). problem was mostnoticeable in dolby and hall but was there in all modes. found r-581 atthe input to the dolby board was not installed at the fa
SONYITA650
No audioUnit goes on line by itself - after unit is set in the outposition.