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Sony Repair Tips




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Search: sony
Results: 20073
Make Model Symptom Problem Solution By
SONY CDXR7
Replacement of display drive pc board ass Several cdx-r7s with cracked etchings on the display drivepcb assys. particularly right at the solder connections to the display(front panel) pcb. the face plate cannot be removed more than once or theflex cable breaks due to the angle at which it must
SONY SLHFR90
Shut down in play mode Unit would shut down intermittently in play, ff and rew ok.
SONY SLHF900
Tape damage from capstan overrun Unit would intermittently eat tapes after on index search ofcue/review. capstan motor would overrun and spill tape. observed amomentary low on pin 3 of ic505 (pwm gen) on ss-53 board would causecapstan motor to overspeed. this would continue even if t
SONY SLHF450
Adjustment method is incorrect Adjustment method in manual is incorrect, regarding forwardtorque, p176, section 3-14. the correct version may be found in thesl-hft7 manual. sl-hf450 manual lists wrong connector and pin numbers. -hq comments: we will issue a supplement on this matte
SONY BMC220
Black lines in picture Two diagonal lines black in picture during playback of self-recorded tapes. unit connected to monitor via bmc-j88u jig for testing.
SONY RMU880
Tv volume cannot be controlled with rm-u880 Tv volume cannot be controlled with rm-u880 unicommander.even with system selector set to tv it outputs command for audio systemvolume up/dn. customers are complaining about this shortcoming. address-ing this is merely a matter of changing code bits wh
SONY CDP70
Unit scratches compact disc while playing One of three supporting pins does not go down intermittently,when disc is in for play. also rubbing the disc gently while playing, itdoes not affect any playing disc. ten customers with new discs have roundscratches in the middle of circumference. eve
SONY TAAX44
No display or output No display or output. all power supply voltages appearnormal.
SONY CFD5
Intermittent no reverse play This unit would intermittently attempt to go into reverseplay when reverse play button was pushed, but would then go into forwardplay. this would happen about every 4 attempts at reverse play. found#360 missing.
SONY KV2602
Possible modification of existing circuitry Picture brightness varies with program content/material(random intermittently). maybe weak sync tips/levels (only on cablechannel 25 scrambled cable channel), request permission to modifycircuitry only if advised by engineering. also magenta bar on the
SONY SLHFR30
Noise bar in low band Unit had buzz in sound and a horizontal bar floating throughpicture. traced problem to -20 volt line, very high ripple. thisvoltage is used in the band select. only channels 2-6 were affected,high band okay.
SONY CDP55
Centering cap breaking The centering cap and compression spring in the middle of discturntable fall out of place. the symptom is either the disc tray will notmove or the disc will not spin. the problem is the plastic legs that aresupposed to provide spring tension to hold th
SONY CDP35
Distorted audio Unit played but with sparse static in audio. initiallysuspected switching ic (ic302) but scope showed spikes all the way back toic701 (clv). all clv and processing working ok, so last suspect ic wasram.
SONY SLHFR30
Reel drive flywheel bearing Servicer experienced several sl-hfr30 all sold by'same dealer, with reel drive torque problems. flywheel was not turningfreely in bearing.
SONY PCM501
Shutdown Thermistor installed instead of 2.2Ω resistor, causesshutdown and various problems.
SONY KPR4110
Whistle in sound, uhf channels only, replaced pll circuit Whistle in sound, uhf channels only. this was accompanied by mild venetian blind effect in the picture.
SONY XR27R
Audio distortion in right channel Static thru r. ch. best heard when playing a blank tape.
SONY D7
No play Unit would spin up at turn on but would not play disc. uponstarting unit with no disc spindle motor would spin up but would alsosurge at rate related to focus search. all pins on ic502 and ic503 lookednormal except for pin 10 (sp). batt indicator was
SONY KV2024AEB
Sound buzz, no color - replace q008 & ic203 Unit had buzz and loss of color. found q008 shorted, thisrestored the color and also switched the 4.5mc audio line whereby i hadaudio with buzz. replaced ic203 and this restored full audio with nobuzz. set ok. difficult problem to resolve due to the
SONY CDP70
Unit scratches compact disc while playing One of three supporting pins does not go down intermittently,when disc is in for play. also rubbing the disc gently while playing.it does not affect any playing disc. ten of customers new discs haveround scratches in the middle of circumference. event