TV Repair: Common Faults and Solutions.

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Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SONY	CCDV9	Incorrect number in service manual	The part number in the service manual is incorrect, page 200(9-909-855-01).
SONY	SLHF1000	Spuriously lights power - beta hifi and superbeta leds	After the unit was plugged in, but turned off for severalhours, the power relay would start to chatter and some of the leds wouldcome on. the display remained off. noticed noise on the power controlline from ic-101. thermally cycling the ic made the p
SONY	EVA80	Tape jam, then would not thread - mode control motor on	Tape jammed in unit and would not thread. the loading motorwould not come on, although the drum would spin momentarily. noted thescrew which supplies chassis ground for the loading switch (ls-9) boardwas missing.
SONY	UP811	Noise in monitor picture	Interference in video with monitor switch on prints ok.
SONY	SSU370	Driver replacement	Cannot access drivers for replacement. both front and back ofspeaker cabinet are glued and cannot be removed without damage to cabinet.
SONY	KPR46CX10	Color blinking on small picture, replaced r-1135 (v board)	Color is blinking on small picture and sometimes on mainpicture.
SONY	KV21FX1MT	Severe pincushion distortion (both sides), replace c-820	Severe pincushion distortion on both sides, controls have no effect. l-871 got very hot.
SONY	CFD64	Incorrect part number for motor	Incorrect part number listed for motor in the service manual.
SONY	ITA600	Background noise on ogm tape	Owner complains about the background noise on the ogm tape.
SONY	ITA500	Background noise on ogm tape	Owner complains about the background noise on the ogm tape.
SONY	CFS210	Will not work on ac	Will not operate on ac.
SONY	KXM270	Black border on left of screen, cleaned d-21 connector	Picture has a one inch black border on the left of screen. itlooks like blanking problem.
SONY	CCDF40	Ccdf40 no color e-e	No color from camera section - digital superimposer also in-operative. swapped camera section still no color. found color blankingline pin 38 of ic-202 low - lifted pin color came on.
SONY	UP811N	Intermittent printing with white horizontal lines	Printing intermittently sometimes with white horizontal lines.checked for possible hairline cracks on the pcb as the unit had beenshipped a number of times back and forth.
SONY	SPP80	Handset was dead	Battery ruptured.
SONY	FD500	No power, replaced ic451 and fuse	No power. also serial numbers 107931 and 1803426.
SONY	EVS700U	No remote control operation	No remote control operation. does not respond to hand unitrequests. scoped data from r/c at cn-117 pin 5. data measured 1vpp ...should be 5 vpp.
SONY	GV8	Vertical red line at side portion of the screen	There is a vertical red line at the side portion of thescreen.
SONY	TAF444ES	Burnt volume control and board	Board burnt beyond repair - volume control burnt. no partnumber for stuffed board. no replacement units in stock. we require helpin completing this repair (asap) as customer is very concerned and gettingangry. -hq comments: tokyo has the empty board
SONY	SPPS10	No talk mode	Base unit would not receive signal from handset. foundreceive section operating normally on both channels but unit would notcome on. (in use) led stayed off.