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Make	Model	Symptom	Problem
SONY	CDP70	Unit scratches compact disc while playing	One of three supporting pins does not go down intermittently,when disc is in for play. also rubbing the disc gently while playing, itdoes not affect any playing disc. ten customers with new discs have roundscratches in the middle of circumference. eve
SONY	TAAX44	No display or output	No display or output. all power supply voltages appearnormal.
SONY	CFD5	Intermittent no reverse play	This unit would intermittently attempt to go into reverseplay when reverse play button was pushed, but would then go into forwardplay. this would happen about every 4 attempts at reverse play. found#360 missing.
SONY	KV2602	Possible modification of existing circuitry	Picture brightness varies with program content/material(random intermittently). maybe weak sync tips/levels (only on cablechannel 25 scrambled cable channel), request permission to modifycircuitry only if advised by engineering. also magenta bar on the
SONY	SLHFR30	Noise bar in low band	Unit had buzz in sound and a horizontal bar floating throughpicture. traced problem to -20 volt line, very high ripple. thisvoltage is used in the band select. only channels 2-6 were affected,high band okay.
SONY	CDP55	Centering cap breaking	The centering cap and compression spring in the middle of discturntable fall out of place. the symptom is either the disc tray will notmove or the disc will not spin. the problem is the plastic legs that aresupposed to provide spring tension to hold th
SONY	CDP35	Distorted audio	Unit played but with sparse static in audio. initiallysuspected switching ic (ic302) but scope showed spikes all the way back toic701 (clv). all clv and processing working ok, so last suspect ic wasram.
SONY	SLHFR30	Reel drive flywheel bearing	Servicer experienced several sl-hfr30 all sold by'same dealer, with reel drive torque problems. flywheel was not turningfreely in bearing.
SONY	PCM501	Shutdown	Thermistor installed instead of 2.2Ω resistor, causesshutdown and various problems.
SONY	KPR4110	Whistle in sound, uhf channels only, replaced pll circuit	Whistle in sound, uhf channels only. this was accompanied by mild venetian blind effect in the picture.
SONY	XR27R	Audio distortion in right channel	Static thru r. ch. best heard when playing a blank tape.
SONY	D7	No play	Unit would spin up at turn on but would not play disc. uponstarting unit with no disc spindle motor would spin up but would alsosurge at rate related to focus search. all pins on ic502 and ic503 lookednormal except for pin 10 (sp). batt indicator was
SONY	KV2024AEB	Sound buzz, no color - replace q008 & ic203	Unit had buzz and loss of color. found q008 shorted, thisrestored the color and also switched the 4.5mc audio line whereby i hadaudio with buzz. replaced ic203 and this restored full audio with nobuzz. set ok. difficult problem to resolve due to the
SONY	CDP70	Unit scratches compact disc while playing	One of three supporting pins does not go down intermittently,when disc is in for play. also rubbing the disc gently while playing.it does not affect any playing disc. ten of customers new discs haveround scratches in the middle of circumference. event
SONY	SLHF900	P/n for 16 conductor cable from jg-2 to ch-38 board	Refering to page 167 of s/m, we need the 16 pin cable fromthe jg-2 board to the ch-38 board. please advise. -hq comments: the cable is not available as a replacement part. i will,however, send you a cable from another unit. in the future, please hard
SONY	MPKM8	No part # for cable	Need part # for cable - page 17. -hq comments: this part is not presently available. we will check withtokyo and inform you of availability.
SONY	CCDM8U	P/n	No part number in manual for several springs used in gripass -hq comments: please refer to supplement 2 page 78 ref. no. 69 (nextto 68) p/n 3-695-457-01, ref. no. 93 (below 66) p/n 3-695-766-01,ref. no. 98 (to the left of 70) p/n 3-303-890-01.
SONY	CCDM8U	No capstan fg, defective fg generator	Found 3 or 4 units with no capstan fg signal. can fg genera-tor be replaced separately? -hq comments: the fg generator is not available separately. pleaseorder the complete capstan motor.
SONY	SL5000	Blue line 1" from bottom of picture during self-rec playback	Pre-recorded tapes ok. adjusted servo system - no help. -hq comments: please check page 15 of sl-5000 troubleshooting guide(servo control - picture not normal at self-rec and playback) and informof results.
SONY	SLHFR70	P/n substitution for ry-5 board	Ry-5 board. subs to 99109934 (no longer usable for service).rpc shows a-6711-601-a as p/n for ry-5 board. please confirm. -hq comments: correct p/n is a-6711-656-a.