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Results: 87718
Make Model Symptom Problem Solution By
SONY KV1993R
Locked in one mode/no channel change, replace v out ic501 The pll controller/ic103 was locked up. the channels wouldnot change and audio/pix outputs were at minimum. we found the verticalpulse to be missing at the controller/ic103. this was caused by adefective vertical output/ic501.
SONY XR75
No fm This unit had no fm, all other functions worked fine. foundthat there was no output from the prescaler to the pll.
SONY BMC110
Slow startup of audio erase function At the beginning of a recording, old audio would not beerased for approx. 14 seconds. after this time, normal erasure ensued.
SONY SL2305
Intermittent tape jam in eject mode At times, when ejecting cassette, the tape would not be takenup completely and would get stuck in the deck area. viewing the ejectoperation, i noticed that the tape was always lagging behind the threadingring, sometimes more than others. this caused th
SONY KV25XBR
Intermittent distorted display on screen at random After set got warm, on occasion the channel numbers mightflash on and off on the screen. also, weird words appeared on the screenwhere you normally would view the time and date. there was no set patternof words nor did they spell out anything, just a j
SONY CCDM8
Capstan motor failure Capstan free running, no control. c fg (+) missing, connectedto pin 19 of su-16 board.
SONY KV25XBR
Dead unit Unit came in dead. found rectifier shorted, d655 on gb bd.still did not have 140vdc. convertor output okay, problem has to be t652or t653 on gb bd. i could see connector output up to c655 on ga bd(both sides) but not on t653 or t652. not sure which o
SONY KV1992R
No memory, replaced r609 No last channel memory. no channel add-erase. set wouldcome on with various volume levels.
SONY KV2675R
No power on with remote, ic-050 on "t" board Unit would not turn on with rm-718 remote. all other func-tions ok. unit would turn on at front panel, and after set was turnedon, all functions on remote and front panel operated properly. unitwould not respond to this one function only.
SONY KV2601
Sub part Kansas city is supplying a 2sc3559 (p/n 8-729-204-94) perthe latest microfische. the new part is a t047 case style instead of thet060 original. installation of the new part requires use of spaghettiinsulation on the leads, and looks terrible. -hq comm
SONY SLHFR30
Green color during pause and betascan Color shifts to green during pause and betascan (ff and rew).pin 9/ic4 on yc-30 board chroma ok during pause and betascan but outputpin 11/ic4 chroma is bad during pause and betascan.
SONY SL30
Betamax antenna switch failure Antenna continues to feed thru to vhf out connector while unitis in playback mode. this problem is showing up on several models usingthe same switch. the customer is often on cable. some units that havefailed have less noticeable leakage thru the swit
SONY CCDV8AFU
Eats tape In record pause, unit back spaces normally, when pausereleases, tape wrinkles at pinch roller.
SONY EVS700
No playback Fg pulses are missing. pick up device is open.
SONY KV2649R
No channel change, replaced d021 Plug tv into ac and it turns right on. itchannel cannot be changed and no other functions work.
SONY KV25XBR
Immediate shutdown Shorted cap causes immediate shutdown.
SONY KV25DXR
No pix, no sound Set came in with no picture and no sound, found l304 open onb board (supplies 12vdc).
SONY STRV7
Power supply transformer Servicer ordered power transformer from kc and was told unitis no longer available. i checked and found this to be true. is therea sub-transformer that we can use? the customer wants unit repaired. -hq comments: we checked with tokyo. tokyo does not
SONY ECM939LT
Blue wind screen Need blue wind screen. they do not list part number in themanual. -hq comments: the part number is 2-529-941-00. the ref. #34 isincorrect in the parts description for the window screen. we will issuea s/b.
SONY TCFX310
Circuit correction in service manual Circuit from pin 15 of ic502 is improperly routed to theerase prevention switch (s711). pin 15 should connect to circuit betweens711 and s701 (control switch board). -hq comments: your analysis of the problem is correct. we will issue aservice bulleti