TV Repair: Common Faults and Solutions.

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Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SONY	TAAX6	Incorrect part #	End user has had unit serviced by a&e tv (non-asc, canogapark). pilot lamps need replacing. s/m has only one p/n 1-518-453-00which subs to 1-518-453-31 on kc system. color is red. please advisepart numbers for following color pilot lamps: pl#06-10 (
SONY	CCDV8	Video distorted	One video head was not soldered.
SONY	TCFX500R	Pushing rec causes rec mute	Unit would go into rec mute whenever rec was actuated. normalrecording is not possible.
SONY	SLHFR90	Intermittent snow when video signal level changes quickly	If video level changes rapidly, as when station cuts to acommercial or back, picture goes to snow for 1/2 sec. or so, but sound isnot disturbed. control pulse is still on tape. slow change in videolevel does not produce this symptom. servicer claims t
SONY	KV25XBR	Schematic error - sound	In troubleshooting a kv-25xbr, i found a problem with theschematic. on the x board, ic1107, pin 8 goes to r1208 and then to12 volts. pin 8 goes to the wipers of the switch inside the chip. theway the schematic is drawn, there is no way to switch from
SONY	D5	Dead	D-5 was dead.
SONY	TCFX410R	Intermittently no power	Intermittently no power or power but no functions or noindicator lights.
SONY	WM11	Audio has a lot of wow and flutter	Player plays slow with slight flutter due to the supply reelspindle being tight. several attempts to loosen the reel have failed. inall units the torque is sufficient and mirror cass shows a straight tapepath. pinch roller is clean. when the tape sup
SONY	KV2680R	Vert lines in pix, descrambled cable only	On descrambled cable signal only, thin white vertical linesappear at one or the other side of screen. this does not occur withoff-the-air broadcasts, or unscrambled cable programs. -hq comments: the symptom is a byproduct of scrambling and descrambling
SONY	KV2654R	Distortion (bending) drifts through picture	A distortion bar would float upward through picture at abouta 60hz rate. within the bar, the picture was bent at the edges.
SONY	KV1970R	Low audio, bypassed r214	When volume indicator is at midrange on screen, audio is toolow to be heard. this servicer (bee tv) had five customers complainingabout audio level on kv-1970r and kv-1971r.
SONY	CRF330K	Part number missing - counter board a	Need p/n for counter board a if available. -hq comments: p/n for the counter board a is a-3625-004-a. board assyis in stock at npc.
SONY	SL5100	Front panel clock / timer door	I need part number for the door that covers clock/timersettings on front panel. -hq comments: the part number is x-367-500-70. this information is alsocovered in t/n #8418. a fax has been sent to you.
SONY	CDP200	Chattering audio	Servicer complaint was chattering audio. the unit alignedcorrectly except for clv pll which would not lock. waveform at tp9 wasnot correct, as was 1/8 wfck (which uses pll output as reference). rv401had little or no control over pll.
SONY	D5	Won't play past track 6 or 7	Unit would not go past track 6 or 7 on discs.
SONY	XR900	No part numbers - line out cord	I need the p/n for the following cord. -hq comments: please order p/n 1-557-661-11 (cord with connector)listed in the preliminary manual under accessory. we will issue a s/b.
SONY	FD40A	Dead, replaced q602 and leaky d602	Q602 melted because d602 was leaking. fuse not blown.
SONY	KV2680R	No vert sync and color, replace 9v reg q-204	Picture keeps on rolling and no color.
SONY	CFS350	No audio output	No audio output.
SONY	SLHF300	Pinch roller solenoid replacement	Replacement part (identical number) has stop washer onplunger. washer is too large to allow proper installation of motor andgear assembly.