TV Repair: Common Faults and Solutions.

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Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SONY	KV25XBR	Vertical jitter on pay-per-view channel	Customer in chicago subscribing to group w cable set experi-ences vertical jitter and roll on pay-per-view channel only. all otherbroadcast and pay channels ok. -hq comments: pls compare composite video waveform at pin 22/ic1501 forok channels and the
SONY	CDP620ES	Will not read toc - noisy focus search	Unit seemed to have a focus servo or search problem. withscope on fo test point, focus search going up was ok but in focus searchgoing down there seemed to be an open servo loop.
SONY	CCDM8U	Need part number for chassis on page 126	Need part number for chassis on page 126. -hq comments: the part number is a-7010-080-a. a s/b will be issued.
SONY	TCFX510R	Incorrect description in s/m	Correct p/n for case, silver should be 3-307-532-31 and forblack one should be 3-307-532-11. -hq comments: we will issue a service bulletin.
SONY	SDP505ES	Wrong part number	Ic702 (cxp5016h-118s p/n 8-759-800-54) was ordered from kcp.received p/n 8-759-800-54 (an la3365 ic). la3365 is correct. micro-processor has incorrect part number.
SONY	FD3A	Dial pointer, x-3332-204-1	Pointer missing from unit. pointer is not declared onexploded views in fd-3a or fd-2a manuals.
SONY	KV2080R	Pop in sound, value changes	With external amplifier/speaker pop in sound when changingchannels. -hq comments: to fix the problem make the following component changes:c1461, c1462 from 1u/50v to 4.7u/50v (p/n 1-124-192-00)r1461, r1464 from 22kΩ to 1kΩ/1/6w (p/n 1-247-831-00).
SONY	CDXR7	Pll free run frequency adjustment	To adjust pll free run - l501.
SONY	STRAV580	No memory	No memory of stations.
SONY	EVS700U	Intermittent noise during pcm playback (tracks 4, 5, 6)	1) pcm playback of tracks 4, 5, 6 has dropout during audioplayback. 2) stereo indicator light flashes. 3) video playback has noiseat bottom of screen.
SONY	STRVX350	No audio output	The speaker relay would not engage although the audio outputsand sensing circuits were ok.
SONY	CCDM8U	Drum rotation is erratic and unit shuts down	Drum is erratic and unit shuts down. -hq comments: check c246, md-10 board. we have reports on this capbeing leaky. please inform results.
SONY	CCDV3	No eject	No eject. unit had been dropped and case was damaged.
SONY	XR33	No part number for s903 - muting sw	No part number listed for s903 (muting switch).
SONY	D5	No operation of the unit	The converters +5 volt output fails because of an intermittentshort between the two wires leading to the laser power switch (s901).inspection of these wires may not yield any obvious insulation breakseven though you can measure a short when pulling on th
SONY	KV2792R	Light picture, no ch would tune in, replace r-1576	The unit would turn on, but had a light picture washed out.could not tune in any channels. video could be received but light pix.
SONY	SLHF300	Need part # - right lock base	Can you provide me with the part number for the circledlever? -hq comments: part number is 3-684-232-02 which is called lock (right)base and is available at kcp.
SONY	KP5000	Overall green tint on upper 1/3rd of projection screen	The upper 1/3 of the screen has an overall green tint to thepicture/program material. i have also seen 2 other kp-5000 projectionsystems recently with the identical problem. -hq comments: please clean crt surface. it will be necessary to removelens as
SONY	LCV	No part numbers for camera case parts	Customers need parts for various camera. -hq comments: plealse contact me directly if you need any specificparts. we can get them through sales or tokyo. during our internationalserviceability meeting in tokyo, we will suggest making these partsavaila
SONY	SLHF1000	Flagging during playback in special effects mode (bis)	Picture flags during special effect playback in beta is mode.is this normal? -hq comments: i checked our lab unit and there is no evidence of anyflagging. please try adjusting tape path and inform results.