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Make	Model	Symptom	Problem
SONY	KV1975R	Fine tuning drifts, replace c202	Set will tune stations in, but will drift after a few seconds.
SONY	CDP302	Disc plate assy, part loose	I have found this part in three cdp-302's. the units operatenormally without the part. the part is a small precision metal part,approx 3mm high by 2.5mm round. -hq comments: the part is part of the disc plate assy (#373) on page 61of the s/m. they ar
SONY	CCDV8	No video recording	Unit will not record video, but records audio fine.
SONY	CRF320	No sw reception	I had no sw. touching q212 caused intermittent sw.
SONY	CCDV8AF	No video	No video on playback or recording, audio in the unit wasfine.
SONY	CCDV8AF	Auto focus	The auto focus motor was rotating in one direction only.
SONY	CFSW30	Incorrect part number for motor (m902)	M901 and m902 are different. one is cw rotation, other ccw.the part numbers are the same in the manual. when ordering we get thecw motor. can you help us with the correct part number for the ccw motor? -hq comments: part number is a-3133-229-a for m9
SONY	SLHF300	No channel read out	When input selector on (tuner), have video and sound but nochannel read out and cannot change channels. when in line/pcm position,channel select lights and can change channels but no tuner video or sound.
SONY	KV2781R	Poor purity, replace crt	Pink in upper right hand corner. could not adjust purityin upper right hand corner, tried using magnets, no help. i hit the crtwith my hand and could see shift in purity.
SONY	SLHFR70	No channels programming	Will not remember programmed channels on the tuner.
SONY	TCU270	Interface info	Please send us interface info. -hq comments: the tcu-270 is tape deck in the access 301 a/v entertain-ment system. tcu-270s 13 pin connector only connects to the avu-270.avu-270 supplies ac power using the 13 pin connector. also, all of thesignals are
SONY	CDP302	No disc rotation - abnormal focus search	During focus search objective lens goes too far to eitherextreme. fok 0. at c206 broken pcb trace.
SONY	CFD5	Transport goes back and forth	Intermittently, the transport goes back and forth. at times,unit will play fine for 5-6 hrs then problem occurs. -hq comments: please refer to tape recorder s/b #146r and try new fwdand nr levers.
SONY	CDP502ES	Oscillation present at efm	Cannot adjust pll-rf due to the fact there is oscillationpresent at efm. the oscillation looks similar to the efm signal but itis much higher in frequency. ic604, ic601, d601, t701 and complete rfpcb all were replaced. problem still exists. -hq comme
SONY	SL2400	No motion	The machine came in first time with open pinch solenoid. ireplaced it, also replaced driving transistors. now came as a recall,pinch and brake solenoids are open. replaced again, also driving tran-sistors. intermittently the machine changes the funct
SONY	CCDV8AFU	Vertical bars on playback	Vertical bars on playback caused by creases on the tape.customer thinks the unit is damaging his tapes. verified creases on allsize tapes.
SONY	WMF10II	Wheel block assy, motor (substitution)	This part subs to x-3315-357-1 (wm-f10) but the shaft in thewheel block is too long for the wm-f10ii motor. -hq comments: refer to t/n letter a0053. use p/n a-3313-205-a for themotor wheel block assembly. however, the new motor wheel is notcompatible
SONY	STRAV760	No sircs out signal	No output at sircs out connector.
SONY	KV2670R	Purity off, repaired degausing coil	Minor purity problem in the upper left corner. hand degauss-ing did not clear problem and could not be adjusted out. the purity wasso far off that the red gun controlled the green phosphor.
SONY	KPR4110	Q-22 circuit in schematic is wrong, please correct your sm	Page 77 of schematic shows collector of q22 going through r40to b+. it should go through r40 to base of q23. -hq comments: please correct your service manual using thisinformation.