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Sony Repair Tips




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Search: sony
Results: 20077
Make Model Symptom Problem Solution By
SONY TCC5
Tray will not move into play position - reposition tray Door closes but tray does not move into play position. fiveseconds later door will reopen. door switch is good.
SONY TCC5
Drum will not line up in the right position, drum and d891 Drum will not line up in the right position. spins and stopsbetween cassette holders then starts spinning again and stops betweencassette holders and so on.
SONY CFD440
Cd not functioning - replace d-701, p/n 8-719-911-19 No mechanism motion. d-701 opens, dropping 2 1/2 volts acrossit. i repaired only the cd section and of the ones i repaired about twoout of 20 have this problem.
SONY D180K
Defective back light - replace pl-901, p/n 1-518-585-11 The led's behind the play mode, key mode and stop buttons arevery dim. checked voltages on q-901 and they were fine. checked pl-901and voltages were off slightly. disconnected pl-901 and led's were fine.pl-901 was drawing too much current. applies to
SONY CDPC325
Popping noise when ams button is pressed (r-375 not mounted) Popping noise heard when ams button is pressed in rightspeaker and sometimes distorted audio. checked the inputs of ic-306 andfound pin 4 had incorrect voltage. upon diagnosis of input circuit ifound r-375 to be missing. also applies to serial number
SONY CDPC425
Popping noise when ams button is pressed (r-375 not mounted) Popping noise heard when ams button is pressed in rightspeaker, and sometimes distorted audio. checked the inputs of ic-306 andfound pin 4 had incorrect voltage. upon diagnosis of input circuit ifound r-375 to be missing. also applies to serial number
SONY TCW31
No audio out on deck "b" - ic501 faulty, 8-759-601-06 Incorrect voltage at pins 12 and 13 of the selector, ic-303.upon diagnosis of ic-501, found pin 1 remaining high after unsoldering.also applies to serial number 8807705.
SONY MZ1
Unit displays "hold" (cn-803 not connected) Unit would not load disk. unit displays hold. cn-803 wasunplugged.
SONY MZ1
No power with ac adapter (nicad battery ok); ps-401 open Unit had no power with adapter, but worked ok with battery.
SONY MZ1
Intermittently won't accept mo discs (replace ref. # 108) When trying to load a recordable disk, the unit will eject thedisc immediately. it sometimes accepts disc with unit upside down. foundpin 66 of ic-801 jumping high but not going back low as recordable discwas inserted. all three units loaded pre-recor
SONY CCDTR101
No operation with rm-95 (perform sb cam0112 improvement) Customer's rm-95 does not operate her camcorder. it also doesnot operate a ccd-tr81. does service bulletin number cam0112 apply tothese models? this rm-95 will not work on any camcorder with a regulatedlanc dc of 5.6v. the reset ic in the rm-95 is no
SONY KV1210U
Horizontal freq was off, cleaned hor freq. control Horizontal frequency was way off.
SONY STRAV500
Protection turns on - replace ic701, 8-749-941-91 No audio from left channel.
SONY KV1380R
No picture, 9v on "c" board missing, replaced c-551 & r-570 No picture, found 9v on c board missing. c-551overdiscipated and left r-570 open.
SONY STRAV770X
Balance is unequal between channels - ic631, 8-759-634-58 Balance between left and right channels was off after input,but before adaptor plugs. traced problem to ic-631 on tone board.
SONY STRAV500
No left channel and display dim - replace fl301 and ic701 Display was dim. replaced display and left channel was out.
SONY TAAV650
Rear left channel out - broken solder on speaker terminal This was a refurbished unit. i found the speaker terminalsbroken loose from board.
SONY TCRX420
No play - chassis broken near head mechanism Chassis was broken where the head mechanism rides.
SONY KV27SXR10
Picture would go dark, resoldered relay pins Picture would go dark tap on set and it would come backfound ring crack on delay modual.
SONY TAAX380
Popping when phono is selected - faulty gnd on turntable A popping noise can be heard from the speakers when the phonoinput is selected. traced problem to ps-lx100 and not ta-ax380. oneground wire was loose on turntable.