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Sony Repair Tips




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Search: sony
Results: 20076
Make Model Symptom Problem Solution By
SONY HCDD109
Recording on "b" deck will not playback -repl ic103 A recording on the b deck will not play back.
SONY HCDC33
Cd mech inop - manually turned gear #268 freeing mech Cd mechanism not working. when you apply power,initializing keeps repeating across the front panel display.
SONY HCDC33
Extension cable off cn101 When removing the cd mech assembly it can be operated outsidethe unit with the use of one extension cable coming off of connector.cnn101 on main board with this extension cable the whole cd mech can beoperated outside the unit. this will help in seeing
SONY HCD541
Adaptor bd not powering the unit properly The adapter board, j-2501-074-a, that i received for use inadapting the power jig has a problem. when the board and cable are usedthe display is dim at the right edge. in addition, the cd spindle may ormay not work. the adaptor is being forwarded for you
SONY HCD541
Hcd541 test jig - incorrect wiring of cable Test jig for hcd 441 & 541 will not power up unit.
SONY DXAC90
Adjusting tape speed After putting in new motors, needed to change tape speed butthe controls are buried in the unit and no extension cables are available.it's really hard to do this except by turning unit off, taking it apart,turn controls and hope you turned the right way
SONY DTCM100
Damages tape - cleaned sticking gear ref 372 Unit eats tape when ejected. found gear ref 372 sticky, movedslowly out. causing damage to tape when ejected.
SONY DTC700
No t/u reel movement when play pressed - repl tension reg First problem was taken care of by re-timing mech. secondproblem was fixed by tension regulator assy, which was kinked, causingexcess drag in ff. the back tension did test at 6 gm/cm. in play.
SONY DTC690
Plug in inputs unit has hum - tighten coax input grnd screws Screws at coaxial in and line in/out were loose, thiscaused hum when in playback or record modes.
SONY DTC670
Repaired tape skewing using tr series camera tape guide With regard to the continuing problem of sound distortion andtape wrinkling, replacing the tape guide (item 306, part of 310 on pg 56of the service manual) with a fabricated guide constructed from the outerbrass portion of the tg3 guide in the fl mechani
SONY CDPX111ES
Flashing display - replaced c202 Display is flashing and no other functions work, except on/off.scoped q204 base shows similar to rf envelope. checked ic401 -31.9v lineand found that it's pulsating.
SONY CDPC900
Will not load disc - replaced d902 Everything worked normally except the rollers would not turn.ic903 voltages seemed normal except when the rollers should be turningic903 was not suplying voltage to m602 load motor.
SONY CDPC445
Cdpc445 program mode When changing cd's after playing program mode the musiccalendar flashes and when you push skip disc it jumps 2 or 3 positions.
SONY CDPC435
Mech noise when open, no play Unit has mech noise when open drawer or no play. inspectionunder disc table found chassis part holding lever set broken, lever setloose inside unit.
SONY CDPC435
Alternative method to repairing chassis vs replacing Found plastic rod coming out of chassis, as shown on pg 35 ofsm, can be repaired. purpose of rod is to push on the rack releaseand release rack. if plastic rod breaks, disc exchange doesn't workproperly. method used is to drill a hole where the rod w
SONY CDPC345
Bu mech popping out of cam gear in the up position Bu mech came out of cam gear in the up position causing thedoor not to open and unit to jam up.
SONY CDPC325
Humming noise from inside unit - see s/b hfp381 for mod Could hear a humming noise usually on tracks 2-6 of cd.replaced optical block 1st time. unit went out and came back again in 45days with same problem amd changing optical block again along withcdx2500bq chip and again flex cable. -hq comments: see s/b
SONY CDP211
No audio - ic101 defective No audio output, but plays disc ok. the -9.5v supply wasmissing from ic306,307 and 271. no oscillation found at ic291 pin 5, so nosignal to be rectified by d292. found no input vid pin 6 of ic291, whichis the wdck signal from ic101 pin 44 going through a
SONY CFD610
Disc jam mechanism Fingers on the disc case (ref 269) warp causing a disc to jamthe mech.
SONY XRU800
Switching noise from speakers while volume is being changed While the volume is being raised or lowered, switching noisemay be heard from the speakers, especially if high power amps or highefficiency speakers are being used.