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Make	Model	Symptom	Problem
SONY	XR550R	Head deck continually cycles in and out	Cycles direction continuously. k. f. cam gear on ref.no. 114, will not latch the direction change. gear was worn at the pointindicated.
SONY	TCM6	Add model # to s/b	Service bulletin #208 (tape recorders) should include tcm-2,tcm-17 and tcm-19/v. they both have the ref. #'s reversed, and the samep/n belts. -hq comments: we will publish a revised s/b.
SONY	TCWR730	Unit would auto reverse while playing a tape	Customer complained unit would auto reverse while playinga tape. deck also had mangled some tapes.
SONY	D3	Service manual error	Page 14 of s/m shows the 1/2 vcc test point incorrectly.the correct test point is just slightly to the right on the diagram, andlabelled tp (vc). please see attached copy of page 14. -hq comments: i wrote a s/b as soon as i talked to you on the phone.
SONY	WMF200	Missing p/n - door lock lever	Need part number for door lock / release lever.
SONY	XR47R	Mislabelling of power pcb	Audio power amp ic is declared as ic801 (printed directlyon pcb) yet parts list does not show a ic801. my guess is that this isic701. is this supposed to be a ta7271? installed 8-759-204-35 (ta7271)but unit motor boats. -hq comments: the ic should be
SONY	KV2145R	Missing part no, d512 8-719-305-15	Pc board silkscreening has two reference no.s d512, one isshown on mounting diagram in s/m. however there is no part inserted.the other d512 is inserted between c533 and c534 (see attached) andappears to be a d177 case design. an earlier run (s/n 24852
SONY	XRA33	Problems with replacement circuit board	Am channel spacing 9khz fm tuning doesn't work am stereodoesn't work. found extra diode in circuit (see attached sheet). foundc8 bad (shorted). found l54 bad (incorrect part). (reason for replacingboard: extremely intermittent am tuning problem).
SONY	KPR4110	Dead, replaced ic-5001	Dead set. no 135v, +18v and -18v. replaced dc-dc converter,won't help. then applied 50v dc to 135v found 0v at pin 11 ic5001. dc-dcconverter input should be +143v and -143v. training manual indicated+295 and -205v.
SONY	PSLX255	Tone arm doesn't move	Slide arm (473) pin disengages from slot in clutch cam gear(460).
SONY	KV2771R	Cracked board	Board cracked and portion of pc board broken off wheresink for ic651 attaches to pc board. -hq comments: no physical damage appears on cabinet parts.
SONY	HVC2200	Black vertical line in pix	Diagonal thin vertical black line about 20 degrees from theperpendicular. it looks as a crack. would in the monitor face plate. itis hard to lock and view on a conventional scope as it occurs every otherhorizontal line but can easily be seen in the ex
SONY	CCDV110	Ccd-v110 flex connectors between me-4 and cd-18 boards	Need these two flex connectors. are they available? -hq comments: these connectors are w702 and w704. we are checking withtokyo on availability and will advise.*connectors are available in rpc and will be available shortly in kcp.p/n is 1-558-805-12.
SONY	SLHF1000	Control l and control lf compatibility	Can the sl-hf1000 be used with the rme-50 from control l tocontrol lf. -hq comments: the basic play, ff, rwd, eject, etc. can be used becausethe command formats for control l and lf are the same. however theediting feature cannot be used because the rm
SONY	SL250	Unstable pix, jitter	Poor vertical stability. low output from ic303 pin 7(ctl amp).
SONY	BMC550	No drum rotation	No drum rotation when record button pressed.
SONY	CDP510	Disc overruns or overruns reversely	Disc overruns because the optical block jams at the innermostlimit. same as cdp-35/55/65/70/203 etc.
SONY	CDP35	Will not read toc	Unit had been worked on by authorized servicer. would notfocus correctly or read toc. all adjustment controls including laserpower on fop, had been misadjusted. set rf level to correct value andunit would focus and sping disc at what appeared to be co
SONY	CDP70	Unit would not read toc	Unit had been severely misadjusted, including laser power onfop. adjusted unit and it appeared to be spinning disc at correct clvspeed, but toc would not be read and gfs was low.
SONY	CDP70	No operation and no display	When unit was powered on, there was no display and unitwould not operate.