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Make	Model	Symptom	Problem
SONY	CFSW400	No audio in tape mode	No audio in tape mode.
SONY	CDXR7	No disc eject	During disc eject - disc jammed against the edge of the door and reloads.
SONY	SL20	Sub part for ic201	S/m lists ic201 as m54543l (8-759-600-24). the ic that isinstalled in the four units i have inspected is lb1640 (8-759-801-60).the lb1640 ic is a 10 pin ic, and the m54543l is a 9 pin ic. are theseic -hq comments: either one may be used. when using t
SONY	XR747R	Part no problem in manual	Above part number not in system. looking at fiche i foundpart number a-3217-255-a as correct number for filter assy in xr-747r. -hq comments: the number from the microfiche is correct (a-3217-255-a).a service bulletin will be issued.
SONY	CCDV8AFU	Distorted camera output	Sample crystal changed oscillator frequency from 28.6mhz to5mhz after 10 minutes.
SONY	VTX1100R	Dc to dc converter runs extremely hot	Dc to dc converter runs extremely hot. this is the secondunit at same dealer location within 30 days. -hq comments: q112 failure is rather accidental and its replacementshould be sufficient. we can protect q112 by adding 33Ω 1/6w(1-247-795-00) resi
SONY	TAAX5	Intermittent engagement of the speaker protection circuit	Intermittently the speaker protection circuit would engagewithout any apparent reason. we found that intermittently there would beapprox. 1v on pin 4 of ic401/protector. we traced the problem back toconductive glue found in the area of ry301.
SONY	HVC2800	Horiz jitter/pulling	The picture would jitter horiz and pull in from the leftside. we found the output waveforms to be distorted around ic4/horiz out.
SONY	CCDV8AFU	Tape jams around drum during threading	When a new tape is inserted, and tape starts to thread, itjams around the drum assy. this happens because there is no excess tapewhich can be pulled out from take up reel. -hq comments: under normal operation, the tape is fast forwarded for afew second
SONY	WMF100	No part number - door latch	Need part number for the latch that holds the cassette doorshut. -hq comments: there are two types of design for this part. originaldesign had latch riveted to chassis p/n x-3329-721-1. new type is screwedon p/n 3-329-706-04 for latch and p/n 3-333-12
SONY	CCDV8AFU	No drum lock	Unit would not drum lock, sound distorted. intermittent shut-down due to overheating of ic501, q501 and l502 (too hot to touch). usingscope checked outputs at ic501 pins 3, 22, 24 and pins - no output.traced back to q508 tf4 amp.
SONY	KV25XBR	Only channel up switch would work	Only channel up switch would work. all other functions wereinoperative.
SONY	SPKM8	Leak sensor always active	The water leakage checking window always is red and the !indication always appears in the window, even when unit is dry.
SONY	KV1957R	Horiz. output transistor would get very hot, r522 replaced	Horizontal output transistor would get very hot and eventuallyfail. inspection revealed that r522 had increased in value.
SONY	KV1975R	Dead, replace q501, t501 and r522	The unit would not power up. we found the problem to becaused by a shorted horiz. drive transistor. the horiz. drive transformerand collector resistor were also defective. while this is not an unusualproblem, it is interesting to note that these compo
SONY	CDP70	Hiss in left and right channels	There was a hiss in both channels which was present in betweentracks and with the audio. we found the problem to be a dead x103 on thed/a converter -ic109. i was surprised that any audio at all was processedthrough the ic under this condition. this ap
SONY	CDP70	No laser output after install new top ass	Assembly is being received with jumper in following positions.(see diagram)
SONY	KV2080R	Audio noise, add capacitors	Annoying high pitch sounds from audio (not horiz squeal).hisses and high freq from audio may be because our audio does stretchtowards the high end and tv sound is just not that good.
SONY	CCDV8AFU	Counter will not read	Counter will not change, stays in the 000 position. foundsensor ph602 defective.
SONY	BMC200	No color	Unit had no color. black/white ok. going through alignment,could not balance horiz. (h. balance adj. on page 8, section 2-2-1).output on one side was half the other, that is why we had a good black/white.