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Results: 87709
Make Model Symptom Problem Solution By
SONY KV1914
Color distortion New picture tube would go soft on one of the colors - firstwas the red, second time the blue. found filament voltage from theflyback incorrect. peak to peak was 30v s/b 22, also ringing.
SONY KV1913
Incorrect color Incorrect color phasing. fsc had replaced crt (becausepicture was dark) with new crt installed the screen controls did notaffect the proper color stripe on the trinitron-red controlled green-green controlled blue and blue controlled red. with nysc colo
SONY KV1747R
Incorrect tuning function No vhf channels, only snow. uhf channels ok.
SONY KV1715R
No picture Intermittently this unit would lose video and the raster wouldget very bright, with retrace lines.
SONY KV1541R
Vertical roll and foldover, replaced c574 and q551 Vertical roll and fold over problem.
SONY KV1513
Shut down Horizontal shut-down after unit is turned on.
SONY KV1217
Shut down, cleaned and adjusted hor. freq. control Set going into hv shut down intermittently when turned on.set would also horizontal freq. adjustment was on very edge of locking.
SONY KP7225
Dead, yoke connector loose caused other parts to fail Initial problem - dead. replaced ic301 and q202 on a boardplus f602, 1.6a fuse on board. this restored sound and hi voltage.crt's were blanked out. further examination disclosed q601, regulatordriver, q609, regulator, r609 150Ω at 1/8w open which d
SONY VTX1000R
Ch 14 would not lock Cable ch. 14 could not lock in on a cable co. using hrc cablesystem. aft is not pulling far enough down to lock on ch. 14.
SONY VTX1000R
Tuning would not lock At turn on, unit would display random channels, never the lastchannel which was displayed at turn off. inspection of circuit revealedno reset pulse at pin 7 of ic001 on a board. this pulse is supplied fromic002. voltage check on ic002 showed only abou
SONY TV790
Shut down Picture takes 5 to 10 minutes to come on and sometimes goesoff after on. found osc. signal at drive transformer weak if probe istouched anywhere before h. drive transistor picture comes on. found e-bjunction of q502 open when transistor cold.
SONY TV770
Battery pack availability Have been contacted by two customers regarding replacementbatteries for eveready type 563. they both stated they contactedeveready distributors for a replacement and were informed that type 563is no longer available and that there is no substitute. hav
SONY KV9200
Incorrect brightness operation Right side of the screen is brighter than left.
SONY KV9200
Part mismount On printed circuit board w, capacitor c524, the marks forpositive and negative connection are incorrectly placed.
SONY KV5000
Dead Days to weeks after repair unit blows 2sc1034 chopper andfuse. original service was chopper transistor and fuse replacement.servicer did not find cause of this failure.
SONY KV2648R
H stripe on the screen, replace ic501 This unit had a 1/2 inch wide horizontal stripe across thetube that was slightly darker than the remainder of the crt. the signalat ic501 was down to about 1vpp at pin 9. the dark stripe was causedby the spreading of the raster lines in this area. the
SONY KV2648R
No hue conrol with remote, replaced ic4002 No hue control in remote operation. pins 9 and 11 only go1.3v high. also both go high at the same time.
SONY KV2647R
Picture distortion, replaced yoke Raster was distorted at top of picture. customer complainedproblem most noticeable when any vertical line (or lines) appears onscreen. straight lines were bent in towards center of crt. looked likepincushion correction problem. any physical movement
SONY KV2645R
Audio pop noise, replaced t207 When changing channels, a pop occurred at the speakers.sound was normal otherwise. troubleshooting revealed a signal distortionat ic202 pin 5 that is synchronized with the muting input at pin 4.
SONY KV1947R
Incorrect tuning operation, replaced ic001 Pressing channel up or down button on remote or on the manualfunctions would give no response. direct access tuning worked.