TV Repair: Common Faults and Solutions.

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Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SONY	CCDF30	Wrong part number for ic362 on (va-40) board	Page 175 shows wrong number for ic-362. should be 875203340as per supplement to 1988 sub book.
SONY	KV25XBR	Changing channel by itself	Intermittent operation of customer controls due to warpedbezel. second set with this problem one on pedestal base.
SONY	KV27DS2	Missing part number for sony logo, p/n 3-704-179-01	There is no part number for the sony logo on the bezelassembly. please supply part number. dealer does not want to buy andinstall two (2) each of bezel assemblies. -hq comments: the part number is 3-704-179-01.
SONY	KV1746R	Replacement vertical out ic	Upc1358h is substituted by upc1488h (8-759-113-05) in verticaloutput in kv-1746r. servicer says he tried two of the subs. ics bothtimes got the results of the picture included. he states he got a hold ofthe original ic upc1358h and after replacement p
SONY	CCDV5	Continuous capstan/drum motor run	As soon as power was applied to unit, the capstan and drummotors would start running, and not shut off. troubleshooting revealedthat q-504 and q-507 on the (ss-70) bd. would never turn off. the emittervoltage on these transistors was running approx. 7.
SONY	STRAV380	No audio out	No output audio, signal traced to input on ic-502 (input bd.)but no output, chip ic-502 had been replaced. checking signals - noticedspikes on data line, problem traced to ic-302.
SONY	SSU520	Service manual correction	Service manual lists part number 1-4919-676-11 for the grill.the correct part number is x-4919-676-1. this info is from dale in thekansas city ssc. please issue correction. -hq comments: you are correct. also not that the sony logo part numbershould
SONY	XM120	Unit goes into protection mode	Right channel lower in volume. unit goes into protection mode under extreme conditions or when under heavy load. also s/n 25134 and32009.
SONY	XK8D	System shuts down when power locks or horn activated in van	Units are new installs in a van. when the horn is blown orthe power locks are activated, the units shut down. have to re-power theunit. if you unplug the xk80 remote wires to the cdx-r88 unit, it willnot lock up when horn or power locks are activated.
SONY	CDXR88	System shuts down when power locks or horn activated in van	Units are new installs in a van. when the horn is blown orthe power locks are activated, the units shut down. have to re-power theunit. if you unplug the xk80 remote wires to the cdx-r88 unit, it willnot lock up when horn or power locks are activated.
SONY	CDXR88	Distorted right channel	Distortes right channel audio. it sounded hazy.
SONY	XR7150	Squealing noise when tape changes direction	Technician at san jose ssc advised me of this problem. whentape direction changes, unit makes a squealing sound. he has not locatedthe problem, but has eliminated it by connecting a 10mfd electrolyticcapacitor from pin 4, cnp-909, to ground. this is t
SONY	CDPC7ESD	Pgm play skips disk	After programming, order of playback everyother disk isskipped.
SONY	KPR4110	Weaving picture, replaced ic-5007 (e board)	Picture had a slight weave that moved from bottom to top. allinput power supplys displayed except the on screen displays.
SONY	CCDV3	Operation manual error/page 154/table 7-5	On table 7-5, page 154 correct the columns headings to readfrom left to right: k00 (ic301 (13) ) k01 (ic301 (14) ) k02 (ic301(15). also change rew to ff and ff to rew. do not change the sw. ref.nos. - they are printed in the correct location.
SONY	CCDV9	No characters generated in evf	Found no characters generated to evf but lcd display ok.
SONY	D4	Will not track disc past second track	Unit would start mistracking on track no. 2 (3:00 on display).
SONY	CCDM8U	Eats tapes	Unit ejects half way then stops. sometimes will eject buteats tapes.
SONY	CDPC50	Table locating pin is broken	Table locating pin is broken. fix requires replacing4-924-445-01, however, time may be saved by using the following part4-912-652-01.
SONY	AIR8	Power shuts down	Unit dead.