TV Repair: Common Faults and Solutions.

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Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SONY	CCDV1	No eject, door broken also	Poor solder connection cn304.
SONY	BMC220	Intermittent dew lite causing shut down	Replaced dew sensor + ic302. monitor p21 of ic301 alwaysstays (h) should indicate (l) if dew activated.
SONY	KPR36XBR	No audio, crackes on "e" board	No audio. e board cracked across corner of audio ckts.possible hidden damage from shipping.
SONY	CDP45	Mistracking	Skips intermittently usually about 2/3 of disc.
SONY	CDP55	Music skips	Music skips randomly.
SONY	SPKM8	Need part number for earphone plug	Need part number for part located above ref. #119 on page 18of s/m (earphone plug). -hq comments: the p/n is 2-115-887-01 and is available at kansas city.a s/b will be issued shortly.
SONY	WMDC2	Missing part number	On page 22, the fg coil, which is connected to ic601 pin 1,was not listed in the parts list.
SONY	CCDV110	No luminance	After warm up period lost luminance.
SONY	CCDV110	No camera power	Unit came in no camera power. found f901 blown dc-dcconverter (dr901) ok. found cn003 dr901 (should go to em-1 boardconnector 901) going to au-24 board cn403. both connectors are 2 pinred and gray wires and apparently were switched in manufacturing.
SONY	CDP25	Distorted audio	Distorted audio.
SONY	KV1975R	Int red picture, crt	The picture would turn light red and the brightness levelwould drop for about a minute. the tube would snap and the picture wouldreturn to normal.
SONY	KV2071R	Int red picture, crt	The picture on both of these units would turn light red and the brightness level would drop for about a minute. the tube would the narc and the picture would go back to normal.
SONY	KV2084R	Int red picture, crt	On both of these units the picture would intermittently turnlight red and the luminance level would drop. this would stay for abouta minute, and then the tube would snap, and the picture would return tonormal.
SONY	XR44	Radio intermittently shuts off by itself	This unit was intermittently shutting off by itself in theradio function. the solder was not sticking to the diode lead. it wasas though the lead was not clean or had a cold solder connection. thelead would slip right through the solder connection. h
SONY	ESR10	Radio shuts off by itself	This diode has a cold solder connection or a dirty lead andthe solder will not stick to the lead.
SONY	D7S	Unit will not play	No focus search. this problem may have been caused byservicer after he replaced fop. l504 was open and there was a soldershort under it which was causing pins 18 and 20 of ic502 to be shortedtogether.
SONY	RME100V	Use of editor with jvc hr-7650u vhs vcr	Vcr has 10 pin camera jack. do we make an adapter to inter-face with rme-100v? -hq comments: we currently have no adaptors available for vhs vcryou may however suggest to the customer to contact a video supply outletwhich carries adaptors. the adaptor
SONY	SLHF1000	Tearing at top and bottom of pix in bi slow and still	Tearing at top and bottom of pix in beta i, slow and stillmode. all other speeds look ok. tape path also checked good. ialso seen sl-hf750 -hq comments: we have evaluated this unit. a combination of tape path,bi rf switching adj., and slow tracking
SONY	KV2780R	High pitched squeal (audible) all the time, replace yoke	Audible high-pitched squeal from inside tv cabinet all thetime. we are beginning to see numerous complaints of high-pitchedsqueal from 27 tv receivers.
SONY	KV2093R	Picture bounce, replace if block	After about 15 min. picture would bounce and with the audioreceiving both sap and main there was a pop in the right channel. videoin was good. found this to be heat related as cooling if block unit wouldgo back to normal.