TV Repair: Common Faults and Solutions.

Search:
Results: 87425

Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SONY	KV27HFR	Dark pix on cable, resoldered pin 1 of c3 connector, sub brt	Servicer informed me that the tv will come on dark on somechannels, other channels picture is bright. this is only on cable, offthe air no problem. when the set is first turned on, pix will be dark andafter an hour to hour and a half, pix will be brigh
SONY	CCDV110	Purple / green flashes in picture	Pix flashes purple and green.
SONY	CCDV8AFU	No video output (using rfu80uc)	No video output (using rfu80uc).
SONY	STRAV550	No tuning	No tuning (am/fm). vt read approx. 28v. opened pll loop andapplied external dc to vt and unit would tune. clock, b+, osc in, data &latch were ok. there was no voltage change on pin 7 (vt out of pll).
SONY	VCT400	Part no for rivet	Part number is not in s/m. -hq comments: p/n is 2-395-478-01.
SONY	CFS950	Flywheel slope	Fingers on spring (thrust) are not strong enough to supportthe flywheel in position. flywheel works back towards thrust plate so farthat its gear looses contact with take-up gears causing no take-up.
SONY	SL250	Resistor failure	No tuning. no vc to tuner bt-868a. open r703.
SONY	CDXA10	E-99 display - no operation	E-99 display. mechanism would not reset. no operation withmagazine inserted.
SONY	TCM5000EV	Echo recorded onto tapes	Echo recorded onto tapes. short whistles or hand claps will have an echo after about one half second.
SONY	SSU780	Speaker rattle	The complaint is rattling during loud base passages. theglue used to seal the cabinet has been poorly applied. in many areas,the glue has been applied but is about 1/4 away from the joints.apparently the glue is applied by a machine and, although it is
SONY	ICF2010	No am operation	When unit was put in am mode, system control would lock up andit would not respond to any key input. the only way to regain control wasto turn main power switch off. pin 9 ic502 was at 2.8v, q43 was off, q25on, ic4 (pin 8) 1.7v.
SONY	KPR36XBR	Ic-5007 p/n incorrect, 8-759-708-12, also see correction 2	Both ic's are listed as same in manual. both have 78l12marked on case, but cases are different, as well as basing. pls advise.also, waveforms on page 73 seem to be misnumbered. 7 on schematic isreally waveform 8, 8 is 9 etc. please advise. -hq comme
SONY	CDP30	Changing main pcb	Ordered a replacement main pcb. the # on the original boardis 1-615-437-14. the # on the new board is 1-615-437-15. the new boardis missing some parts. i removed the missing parts from the old board andinstalled them in the new board. i accompanied
SONY	KV27HFR	Unit sparkles through the picture, replace tuner	Unit would play for about 5 minutes and then sparklesthrough the picture and popping through the speakers. finally picturewould disappear. found problem in tuner.
SONY	KV2782R	Service manual correction, r-538 47k and r-566 10k	R538 shown as 47Ω, really is 47k. r543 shown as 47k,really is 150k. r566 shown as 15k, really is 10k. all are around q506pulse amp. -hq comments: we will issue a correction on this.
SONY	D14	Disc motor will not spin	Dead disc motor. could feel some mechanical binding. thisoccurred with six dealer stock units at st. louis ssc.
SONY	CDP710	Intermittent operation at high temperature/humidity	Unit will intermittently skip, shut down, or not read toc.problem only occurs on hot, humid days, customer does not have airconditioning. servicer unable to duplicate problem in air cond. shop.this is the second unit servicer has seen with same complain
SONY	SLHFT7	Distortion in b hi-fi	Distortion in b hi-fi only. misadjusting tracking a littleimproved sound quality, but pix then noisy.
SONY	XR550R	Won't play tapes	Load mechanism cycles continuously. catch is worn out onplate ref. #223.
SONY	PSFL7II	Shorted c403	Dead set.