TV Repair: Common Faults and Solutions.

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Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SONY	ICF17	Ic-1	Ic-1 is listed in parts as #8-759-300-25 or ic hd10125 when icin unit is upc13036.
SONY	BC7	Battery charger for bc-7	No charging - open primary. according to unit, it is made for100v - a sticker is over embossment on case marking it as made for 120v.is it 100v unit mismarked? -hq comments: the sticker is correct. in order to be more cost effi-cient, tokyo uses the s
SONY	STRAV360	No am/fm - display data incorrect	Unit came in with no am/fm. when numbers were entered, randomcharacters would appear on display. replacement of controller, ic301solved the problem. then am ok, but no fm tuning voltage. checked baseof q206 switching voltage ok, but collector voltage
SONY	CCDV8AFU	Poor video, no color, poor sync (camera only) after warm up	Picture deteriorated (during camera use) after 2 to 3 min ofoperation. vcr picture ok.
SONY	KV2781R	Dark pic and saturated red, replace picture tube	Picture very dark, color saturated with red. brightnesscontrol and picture control have very little control on brightness level.had to crank g2 to maximum to get brightness. occasional arcing, 30 minsinterval.
SONY	CCDV8AFU	Picture pulses on pb and record	The picture pulses, like horizontal jitter, and whining noise coming from the drum motor. voltages on pins 22, 24 and 3 are 2.4 volts dc and the waveforms appeared very noisy.
SONY	KV2084R	Add, erase and picture buttons won't work, chassis position	Chassis was not up against front bezel.
SONY	SLHF400	Intermittent remote operation	Remote would quit working intermittently. found unswitched5v line noisy. c004 had both leads barely connected.
SONY	SLHF400	Noise in picture, looks like dropouts	In playback, three glitches appear on the screen, one near thetop, one midscreen and one close to the bottom. they look like dropouts,but they could be affected by slowing down the drum.
SONY	WMF100	Battery is not making good contact	Whenever the battery case becomes loose, they fail to makecontact with the battery contact. i have had three in a relatively shortperiod of time.
SONY	SL5000	No threading	Threads part way, then stops. no slippage in idlers or belt.motor dc still present when stalled.
SONY	KV2781R	Picture brightness pulsed, reinstall anode connector	Picture brightness pulsed intermittently, accompanied by aticking sound.
SONY	KV25XBR	Tv set to last channel, no control possible.	When powered up, tv set to last channel, no control (local orremote) possible. pix displays bar and word picture on screen, notcontrollable.
SONY	SLHF900	Intermittent tape jam	Intermittently capstan motor overruns and eats tape whengoing from betascan to play. observation of the capstan error voltage attp515 on ss-53 board indicated that it remained at betascan level, eventhough reels had switched to play. c/r switching was
SONY	XR44	Rubber key, switch ref no missing	Part id number missing for item 56 on page 25 of s/m. thepart number is listed, but the id number in the exploded view is missing. -hq comments: i will issue a s/b.
SONY	CDXR7	Incorrect part number for ic351	Schematic correct, page 47 (ic351) incorrect, page 50 (ic351)correct. incorrect part correct part 8-759-200-47 8-759-203-91 tc40h365p tc40h365f -hq comments: a s/b is being issued.
SONY	KV8100	P/n missing for channel swithces	Customer wants to replace channel switches. schematic showsref. #does not list parts. -hq comments: the p/n for s2201-s2214 switches is 1-553-329-00 (see ctvs/b 146).
SONY	KV1920	Excessive high voltage	Excessive high voltage.
SONY	STRAV360	Wrong p/n for pll chip	Wrong p/n in manual for pll chip (cx7925/cx7925b).
SONY	SLHF900	P/n for upper rear panel	We ordered ref. #76 and received the uv ant. switch, we alsoassumed the block cosmetic plastic panel would come with it (it didnwe located a part # from the damaged plate which is 3-691-780-00 whichisn -hq comments: the part number you seek is 3-691-782