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Sony Repair Tips




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Search: sony
Results: 20077
Make Model Symptom Problem Solution By
SONY CFD757
Spindle does not spin in test mode No spin from spindle in test mode. -hq comments: tokyo has been contacted to verify the test modeinstructions. tokyo scheduled to issue the supplement manual on thesubject at the end of march.
SONY CFD470
No power ac - replace ic302 (875950193), and fuse f901 Unit came in with no power. upon diagnosing, i found f901(fuse line) was open. replaced fuse. after turning the power on, thefuse blew again. i traced the problem back to ic302 (power amp).
SONY CFD450
Unit dead - replace d902 and d903. Unit dead. tech found q308 and q305 open. tech replacedtransistors and zener diodes, d306 and d301. unit blew f901 for the secondtime. tech monitored power supply voltage (dc) at cn901. the voltagechanged from 15 volts to 33 volts. tech found d902 lea
SONY CFD440
Parts (rv304, rv305) listed wrong in service manual Rv305 is actually the balance control and rv304 is actuallythe volume control.this fpr also pertains to ref # rv304 and part no. 124164311, res. varcarbon 50k vol. -hq comments: thanks for the info.
SONY CFD260
Spindle does not spin in test mode No spin from spindle in test mode. -hq comments: tokyo has been contacted to verify the test modeinstructions. tokyo scheduled to issue the supplement manual on thesubject at the end of march.
SONY CFD260
Intermittently shuts down - replace ic310 and see s/b aud247 Unit suddenly shuts down without warning. in adding toservice bulletin #aud0247 on no power or intermittently shuts downproblem, i found that a defective reset chip (ic310) is also causing thisproblem. a low voltage on pin 3 of ic310 will cause no powe
SONY CFD260
Ordering rear cabinet, name plate When ordering a rear cabinet for a cfd250/260 the onlyavailable part # for the u.s. models is 3-380-597-01. there seems to beno difference between a 250/260 rear cabinet other than the name plate(model#). a name plate is available for the cnd and e. mod
SONY CFD250
Spindle does not spin in test mode No spin from spindle in test mode. -hq comments: tokyo has been contacted to verify the test modeinstructions. tokyo scheduled to issue the supplement manual on thesubject at the end of march.
SONY CFD250
Ordering rear cabinet, name plate When ordering a rear cabinet for a cfd250/260 the onlyavailable part # for the u.s. models is 3-380-597-01. there seems to beno difference between a 250/260 rear cabinet other than the name plate(model#). a name plate is available for the cnd and e. mod
SONY CFD12
No cd operation Cd player will not play or plays int. found optic cables tooshort from optic to main pcb causing too much tension when optic is inhome position resulting in int. or no reading of toc.
SONY CFD12
Open lid during play - cd spins backwards Cd spins backwards, even with s801 open.
SONY CFD12
No part # in service manual for pick up cables There is no part # in the manual for the cables between thepick up assy and the pcb. the cables for the cfd460 will not work,because the connectors on the pcb have been changed. i had npc researchthis but their response was to use the cfd460 cables. t
SONY CFD10
No mechanical motion (tape deck) on malaysia model In order for the tape deck to work, s601 (motor on/off sw)should be properly triggered by lever (md) (ref. #66). but because of agap between the lever and switch, s601 will not activate causing nomechanical motion.
SONY CFD10
Q303 over heating Unit works ok on all modes for two days. however q303, theregulator transistor seems to be overheating.
SONY CFD10
No cd operation Cd player will not play or plays int. found optic cables tooshort from optic to main pcb causing too much tension when optic is inhome position resulting in int. or no reading of toc.
SONY LANCJIG
Communications error occurs immediately in evr transfer/adj A communications error occurs immediatley upon initiating theevr transfer. as soon as the page to transfer(to or from the camcorder)is selected from the main menu, the error occurs. -hq comments: this error occurs most often when the adjustment modesimu
SONY MDXU1
No audio from cd changer (replace q103, q203, ic203) No audio when playing cd changer.
SONY MDXU1
Mounting orientation when replacing infrared detector ic2 Pin 1 is not marked on the infrared detector ic2 (on the keyboard). this poses a problem when replacing the detector if the mountingorientation of the original was not noted before removing it. -hq comments: the detector should be mounted so that the p
SONY MDXU1
Does not control cd changer (replace ic2 on key mcb) Unit would not control changer. servicer found that noise onsircs bus was causing control problem.
SONY KV32XBR65
Black lines in picture, replaced r1511 on the "d" board Unit had black horizontal lines that would start at the top ofpicture. they would go 4-5 inches down. after more warm up black lineswould start at bottom and move up 4-5 inches.