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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
SONYDT4
No laser in new optical deviceThere is no laser in a new optical pick-up device. pin 9 andpin 8 are shorted in factory. all new fop (optical pick-up devices) havethe same problem.
SONYD2
No laser in new optical deviceThere is no laser in a new optical pick-up device. pin 9 andpin 8 are shorted in factory. all new fop (optical pick-up devices) havethe same problem.
SONYD4
No laser in new optical deviceThere is no laser in a new optical pick-up device. pin 9 andpin 8 are shorted in factory. all new fop (optical pick-up devices) havethe same problem.
SONYCCDV2
F-902 keeps blowingIris stays closed, unit shuts down after a few seconds incamera mode only. f-902 keeps blowing.
SONYCCDTR5
Missing part number step up ring/ 3-707-568-01Part number is missing for the step-up ring from 37mm to 40mm. -hq comments: the part number is 3-707-568-01.
SONYCCDTR5
Only zooms one wayUnit only zooms one way.
SONYCCDTR5
Dead unitUnit came in dead.
SONYCCDTR5
Camera section deadCamera section dead, vtr is ok.
SONYCCDTR5
Eats tapesUnit eats tape. they were catching on the take up reel.
SONYCCDV99
Picture blanks briefly during insert editWhen an insert edit is done through the composite video inputs(not hi8) onto a tape with hi8 recording, a problem occurs on playback onthe inserted portion. at the edit points there is a glitch where the pic-ture blanks quickly. the edit is not a clean
SONYTCRX400
Pcb layout differencesPcbs differ in these two tape decks. both pcbs differ fromthe layout in s/m. is there a s/m supplement? -hq comments: there are no supplements published. i will ask tokyofor information on changes and respond to you. there is an extra jumperground
SONYMDP700
Lines in videoNoise lines in video while playing, but not in pause or stopmodes visible in color or black and white pictures.
SONYCDP200
Replacement of ic-602New ic does not work.
SONYCDP101
Replacement of ic-602New ic does not work.
SONYCDP701
Replacement of ic-602New ic does not work.
SONYCDP400
Replacement of ic-602New ic does not work.
SONYKV27XBR10
No power up from front panel, found d-106 in place of c-115Unit would not power up from front panel - all other functionsokay.
SONYPCM601ESD
Noise in audioAfter unit ran for a few minutes, noise would appear in audio.observing tracking status also showed dropout of rf. pattern was consis-tent with previous problems with thermal ic506s so replaced ic. reconnec-ted unit and ran a few minutes. problem reoc
SONYSLHF750
No power back-upDuring power out, how long should the sl-hf750 maintain timermemory? what circuit or circuits are responsible for the memory? -hq comments: our lab unit holds memory for about 15 - 30 seconds. thetransistor circuit for the power down tells the micropr
SONYMVCC1
Part number for blank disksWhat is the part number for mavica blank disks? -hq comments: the part number is vfd-50. every ssc should have disksfor repair on hand.