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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY HVA220
Ac adapter no longer available Customer purchased hvc-1000, ac adapter, cma-100. video is okbut audio was distorted. 800 # suggested him to purchase hva-220.
SONY TCFX707R
No tape transport or int tape transport No tape transport or int. tape transport.
SONY TCK60
Part number missing When ordering tape counter for tc-k60, service manual showspulley attached to the counter, however when received the pulley is notwith counter.
SONY KX2501
C709 on "c" board reversed In troubleshooting routine, i noted that c709 polarityindication on the pc board is reversed, likewise on the service manual.the positive element is shown going to gnd. this is incorrect. -hq comments: we will publish correction on this.
SONY XO5
Rev play problem When in reverse play the forward reel would be engaged andturning against reverse reel, therefore tape did not move.
SONY CDX5
Unit would not drop disc into play position Unit would take in disc but would not drop disc into playposition, the disc would then be ejected. this problem would occur onlyabout 50% of the time.
SONY KV2680R
Intermittent shut off, cold solder on c-1182 Power relay would intermittently begin to chatter and setwould lose raster and audio. the 18.9 volt line would drop to approx.14 volts when this happens. found one leg of filter c1182 had a coldsolder connection.
SONY PSFL9
Eccentric loading gear Loading gear was slightly eccentric which cause the module todrag when loading.
SONY PSFL9
No function control No function control and erratic display.
SONY KV1205
Poor color low brightness, replaced c801 Picture looks like gray scale off, as with bad picture tube.screen voltage to c board reads 700v, should be 900v. b+ to c board reads117v, should be 178v. brightness control will not turn brightness downall the way.
SONY WMF10
Speed way too fast (intermittent) The speed in play would intermittently increase drastically.flexing the main board in the servo area would cause the problem to comeand go.
SONY KV2680R
No vip or timer function, v size adj cured vip Intermittent vip, sometimes no vip function at all.
SONY KV2654R
Burning r608, replaced d604 R608 gets very hot and opens up in few hours. found d604leaky, had to unsolder the diode to find it was defective.
SONY KV1770
Purity problem This unit came in twice for purity problem. several times theunit was degaussed at the customer
SONY CFS3000
Bent button ass Bent button assy on left side where playback and recordbuttons are locked.
SONY TAE20F
One channel weak The right channel volume level was excessive due to aninternal short (115Ω) to ground thru the case of the control. thismade the gain of ic251 too large due to the reduced negative feedback fromthe tone controls.
SONY TCFX500R
Defective relays cause motorboating in record mode Intermittent motorboating on record. meter pegs left ch.this is one of many def. relays in the past month.
SONY CRF320
Intermittent loss of short wave Unit lost short wave bands once in a great while (weeks or months apart).
SONY SRF20W
Intermittent loss of left channel Left ch. cuts out intermittently.
SONY BMC110
Intermittent no power Upc received on command but occasionally failed to turn on.