TV Repair: Common Faults and Solutions.

Search:
Results: 87426

Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SONY	CCDV9	Auto focus system hunts	The ccd-v9 auto focus is hunting during normal operation. -hq comments: the v9 auto focus is the same as the focusing system ofthe ccd-v5. a service bulletin will be issued shortly.
SONY	SLHF900	Fluorescent display data changes intermittently	Display indicators such as channel numbers, catv, tape move-ment indicator, etc. would light up or change intermittently. if channel5 was being viewed, display would change to different numbers, but theviewed channel would not change. i noted the prese
SONY	CFSW500	Bad solder job on a.c. jack	Poor soldering on a.c. jack resulting in no power from batter-ies or a.c. cord. if problem persists, should notify proper personnel.same problem was found on serial number 111721. -hq comments: thank you for your information. we will inform tokyo ofth
SONY	SLHF840D	Audio buzz (like static pops) with non super-beta recording	When playing back standard tapes, an overriding audio buzz can be heard (med-high frequency). ok with super beta recordings.
SONY	TCWR950	Correction of service manual	Bob st. george found an error in the schematic. please notethe attached correction. -hq comments: thanks for the info. we will issue a service bulletin.
SONY	CFSW50	Motor	This unit uses the same motors for both a and b decks whenordering we receive: 1-541-410-11/dnf8100a. although they will physicallymount in place, we cannot get the speed correct. also, the shaft on thereplacement is slightly smaller. -hq comments: to
SONY	WM100	Missing part number	We need the indicated latch and screw. please advise. -hq comments: we asked for the part number of the latch, however, it isnot yet an available part. please order reference number 210, chassiscomplete assembly.
SONY	RMX2	Part number missing - ic-305	Want p/n for ic305. not listed on page 14 of the s/m. thereare 4 upd75106gs listed in the semiconductor replacement handbook. -hq comments: p/n for ic-305 is 8-759-142-02. a s/b will be written.
SONY	KV27AVR	Adjustments for cd player	Service manual does not include the adjustments for the cdplayer. suggest a supplement be issued. hq comments: we will recommend that a supplement be issued. we may al-so issue a service bulletin. in the meantime, the adjustment procedure isthe same
SONY	XR550R	Radio dead, cassette ok	Radio dead but cassette will play. about five units that werenew installs seem to be effected. also happened to s/n 120222.
SONY	TAE77ESD	Hum from pre-amp thru digital input	When using digital input on pre-amp, there is a hum from out-put.
SONY	D10	Noise in audio especially when using battery	There is a static type noise in the audio. the rf eye patternhas a (ghost) image when viewed on the scope. as the dc supply voltageis dropped from 12v to 6v, the noise gets worse.
SONY	CCDV3	Shut down	Unit would load and rewind but no play/fast forward. servicerhad replaced flex board fp-53 and still had same problem. i could see nooutput out of pin 3 of fp-53. made anΩ check of continuity and every-thing seemed to measure ok. found the problem
SONY	D10	Disc spins very fast	Turn unit on, disc spins very fast.
SONY	CDP70	Skipping due to restriction of sled motor movement	When replacing sled motor, room must be made in housing formotor to track properly.
SONY	WMF76	Wrong speaker	When ordering the speaker, we receive 1-502-631-00. while thecomputer shows this to be a correct cross, the speaker is about 4 timestoo large. can you help?
SONY	KV1370R	No picture or sound,replaced tuner, q241, and r241	High voltage came on, no raster, no sound. 1) sound problemwas traced to r255 opened, q252 shorted, performed audio upgrade.2) no video was traced to shorted vhf tuner on the 5 volt line. this wascausing regulator q241 to short and resistor r241 to ope
SONY	CDP102	Rf pll adjustment	Intermittent toc and/or tracking.
SONY	SL2000	Pinch roller assembly	X-3669-307-0 subs a-6759-344-a will not physically fit. -hq comments: the spring must be replaced with the pinch roller. theoriginal spring is larger and will not allow the replacement pinch rollerto fit properly.
SONY	ECM16	Wrong tie clip holder	We are receiving the wrong tie clip holder for this unit. ihave enclosed samples. please note the diameter of the holder. -hq comments: we reported this problem to tokyo. they have changed thematerials and diameter.