TV Repair: Common Faults and Solutions.

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Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SONY	TC60A	Replacement motor	A customer ordered the motor (d-011g, p/n 8-834-011-00) andhe received the replacement motor (dnm-2400a, p/n 8-835-016-01). thereplacement motor turns backward, and if he reverses the polarity of thewires, he said the unit makes motor noise. he brought
SONY	AIR8	Replacing ic301	It is impossible to replace the microprocessor ic301 on thekey sw board without damaging the pattern of the pc board. ic301 is 64pin fat package ic and there is the silicone compound on the pins. also,i noticed the pins are relatively fatter than the p
SONY	D5	Failure of sled motor gear ass	Units are not functional, fop jammed. found gear assy on allthree units with broken teeth.
SONY	CFS9000	Broken gear of head bracket ass	The gear seems so hard. it is easily broken.
SONY	KV2645R	Thump in audio when channel changed, replaced c226	Two kv-2645rand static in audio. the thump was kind of twang or dampered osc to it.
SONY	CDP101	Distorted left output	Distorted left output.
SONY	STRVX200	Loss of memory after shut off	Loss of memory after shut off. after shut off the batteryback up voltage was loaded down to 1.1v. unit had a reset timing problem.changed d302 from a eqa01-19rv to a eqa01-17rv. 19 zener to 17 zener.pin 33 (ic301) is labelled stereo mono, should be cp
SONY	XO5	Shut off	The unit shuts off in any mode. the tech. replaced q803 andq805, but still it did not have a pulse at pin 11 of ic801.
SONY	EBP9LC	No recharge - np11	A customer complained that his ebp-9lc for the d-5 does notrecharge the np-11.
SONY	PSX800	Irregular horizontal motion of the tonearm	The unit came in a service station second time. first time,the tonearm did not go down intermittently. we went through the electricadjustment. the unit worked fine. couple of month later, the unit camein for same problem.
SONY	CFM100	Breakage of deck chassis	Back on groove for lock plate #363 in manual is not completeall the way across deck. when rew lever is pushed down, it forces locklever against side of groove breaking plastic groove and bending locklever. only solution to this is to change chassis #37
SONY	STRVX550	No remote function	No remote control operation. reset controller ic301, did notrepair problem.
SONY	SL5000	Threading belt slippage causing loading and eject failure	Failure to load or unload tape.
SONY	SLHFR30	Much grainier and darker picture	Picture is much grainier and darker than his tv when on cable.this e to e or playback can -hq comments: we have not received any similar reports regarding thisproblem. i checked in our lab with an hfr30 connected to an antennasystem, and also at home c
SONY	SL5200	Intmt partial threading and loading operation at turn on	Intermittently, at turn on, unit would partically load andthreading ring would rotate about 1/4 turn and everything would stop.then when you shut unit off and turn it on again it would return threadingring to start position as well as the cassette compar
SONY	KV1920	Severe tearing in pix both horiz and vert - poor interlace	Picture had severe tearing and poor interlace. scoping agcbuss revealed high noise level.
SONY	SL2710	No beta hifi indication in e to e or no beta hifi record	Unit displayed no beta hifi indication in e to e mode andwould not record beta hifi. beta hifi playback was ok. found no 9vavailable from switch on pk-3 board due to shorted capacitor c568.
SONY	SL2000	Unit will not record but p/b ok	Unit would not record due to very low record current. therewas no voltage present at pin 8, ic3.
SONY	KV5300	"m" board	Servicer noticed the differences as to the wires near m1 thatare soldered to m board. the original board has eyelets with the wirespassed through and soldered, and new one does not.
SONY	CDP200	Mistake in cdp-200 service manual - page 43	Servicer tried doing rf pll adj on page 43 of cdp-200 s/m.this states that you should put freq. counter tp17 on servo board andcheck and adjust for 4.3218mhz +/- 40khz. on tp17 could not even getclose.