Repair Tips

Search:
Results: 87723

Make	Model	Symptom	Problem
SONY	KV1396R	No audio, replaced r255	This unit had no audio. the collector resistor for q252 wasopen although it does not show a resistor number in the schematic. it ismarked r255 on the board.
SONY	KV2697R	Problem with factory installed modification, q-102 leaky	Unit would turn on and off with front panel. no other functions would operate. remote hand unit would turn set on but not off. no other functions on remote would work. set came on displaying aux.
SONY	SLHFR70	No tuning	Would not tune, no memory.
SONY	SL3030	Blanking bar ghost and christmas tree effect	This unit had a problem with a blanking bar ghost and christ-mas tree effect in the picture through the tuner on e to e mode only whencable signal was connected. the picture was good on a regular antenna.
SONY	KV25XBR	Button part numbers missing	The part numbers for the aux/ant and the cable on/off switchbuttons are not in the manual. the two above mentioned buttons are notpart of the switches and do not come with the assembly #63p/n 4-374-151-01. i need these two buttons (rush). -hq comments
SONY	EVC8U	Counter does not work	Counter does not work.
SONY	CCDV8AFU	Unit shuts down in ff or rew	Will ff or rew for about 100 on counter, then unit shuts off.
SONY	XR740	No display	Unit had no display, no scan down, no #6 position.
SONY	CCDV8	No color recording	No color in e-e or recording. playback of pre-recorded tapesok.
SONY	SLHF400	No pix only noise in scan	After warm up in the scan mode picture breaks up. playbackfine.
SONY	KP5020	Missing resistors cause overscan	A new g board was installed to replace a cracked one. the newboard caused the unit to be overscanned by about 20%. we found theproblem to be caused by missing resistors. these were r814 and r815 inthe 110v regulator. this caused the b plus to be exce
SONY	KPR4110	Wavy lines in background, replaced the screens	During scenes with a white or light solid background thereappeared wavy lines in the picture. at first the problem appeared to beelectronic in nature. however when removing the back and shining a fairlybright light on the back of the screen it was poss
SONY	KV1972R	Grainy picture, adj aft t203 and replace ic201	Picture was slightly grainy and sound on ch. 11 was intmtlydistorted. we found that the aft up was continually active.
SONY	FD2A	Scalloping on lower third, replaced ic851	After the set had been on for about 30 - 60 minutes the lowerthird of the screen developed a scalloped appearance which gradullybecame more severe. we found the problem to be ic851.
SONY	KV25XBR	Horiz. output shorts	The unit came in with a shorted horiz. output. a replacementtransistor shorted immediately. the flyback was tried with no success.we then ran the unit with only 55v on 140v line. this was accomplished bydisconnecting the control winding on t652/ga bd
SONY	KV1943R	Poor horiz sync on weak stations, replaced rv501	The unit worked fine on strong signals. however, whenreceiving a weak signal the horiz. sync would be poor. we at first lookedat the ic, but the problem turned out to be rv501. it was very noisy.
SONY	PSLX510	Thump in sound when tone arm moves	Whenever the tone arm would move horiz during normal play,there was a thump in the sound.
SONY	TV520	No sync scrambled pix	No sync scrambled pix.
SONY	KV2643R	Etc (electro thermo compensation) coil not needed	The new replacement crt: a67jhg01x (8-735-453-05) does nothave the etc coil on it. should the coil from old crt be removed andinstalled on the new crt?
SONY	EVS700U	Replacement of ft-3b board	Original board in unit (1-615-713-14) has cn6 using 7 pins.replacement board from stock (-11) has 6 pins on cn6. are theycompatible? -hq comments: connect pins 4, 5, 6 of cn6, ft-3b board to pins 1, 2, 3of cn108, pc-15c board. using a jumper, connect