TV Repair: Common Faults and Solutions.

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Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SONY	SLHF900	Intermittent shutdown during playback	We are still having problems with this part both in newequipment and as supplied by kansas city. the unit will intermittentlygo into emergency shut down. this is caused by rubbing of the reel assyagainst other components of the unit. -hq comments: tok
SONY	CCDM8U	No function	With unit turned on, battery light would blink, no otherfunctions.
SONY	KV2093R	No functions, a-12 connector not in	Plugging in unit, unit would come on with hi-voltage, nosound, no raster. sleep light would come on. found no vp signal onpin 9 of ic101.
SONY	SSX1A	Speaker no change	Above part no. for woofer 1-502-923-00 is sub for new part1-503-130-00. problem is that new speaker is 3 watt max. and originalspeaker was 10 watt. customer complains speakers are not balanced as aresult.
SONY	CPD1310	Intermittent loss of picture or red video	Unit would loose video red or raster would blank. movementof connector cnj401 would cause problem. etch around terminal connectionswas broken.
SONY	SPKM8	Water leak indicator always on	Water leak indicator always on. no part # called out in themanual. we have four new units out of box - defective. replaceable? -hq comments: when the indicator is dry, the plastic indicator appearspink. when wet, it becomes a bright red. this condi
SONY	PSLX55II	Tone arm skips	The arm skips or jumps when servo is tracking.
SONY	KV2091R	Vol change, troubleshooting	Vol change. sound stops increasingly when indicator is 1/2and it keeps going. -hq comments: please check the following: volume control range atpin 13/ic104 if it matches necessary vol contr range at pin 7 ofifa-450 block. if a mismatch exists most pr
SONY	KV2782R	Pop in sound, replace cap, see sb #258 and #259	When broadcast video switches to over modulated pix, pop insound is heard. -hq comments: see s/b #258 and #259. the countermeasures outlinedtherein may fix the present problem.
SONY	CDXR7	Car stereo compact disc player	Loads disc but no rotation, no playback. connection for +5vsupply to rf board breaks (right at the jumper through the pc board).this problem has turned up on at least 8-10 units in the past month. tocheck from the top side of the pcb, ground base of q5
SONY	KV2601	Dark vertical bars in picture, replaced r812 and c539	Dark vertical bars in pix, most prominent at left of screen.
SONY	SL60	Capstan runs very fast	Capstan would run very fast. found waveform missing on pin 7of ic3 (ss-31 board). chip had already been replaced. traced problem toa leaky capacitor, capacitor read 180k.
SONY	SL10	Vertical color bars, bad sound, bad video	Very weak picture, vertical color bars and sound verydistorted. found 9vdc on ic1 reading 6.5 volts.
SONY	SLHF900	Noise bar in pause mode	When pause button was pressed, noise bar would appear in thevideo.
SONY	KV2084R	No color, replace ic301	No color, only black and white picture.
SONY	KP5040	Misoperation of the driving arm assembly, ic6501	Arm assembly would not move smoothly and stops in transit.
SONY	ITK300	Minimum telephone line voltage required	What is the minimum telephone line voltage at which the unitswill operate? -hq comments: the speech network ic (ic302-mc34014p) requires a minimumof 1.5v on pin 14 in off hook condition. the dc current must be between20ma and 120ma. the amount of curr
SONY	CCDV8AFU	Intmt white cloud in bottom right of picture	A white cloud would intermittently appear in lower right edge of picture. would slowly change in size until entire picture became white.
SONY	KV1357R	No part number for cable, 1-556-870-00	No part number for cable. -hq comments: the part number for the antenna jack cable is1-556-870-00.
SONY	BMC220	Camera will not auto white balance	White balance led always on. depressing awb switch does notcause led to flicker. -hq comments: refer to operation manual pages 34-38. check for reset onpin 10, ic504, vc-3 board. also check for start pulse on pin 9, ic504.