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Sony Repair Tips




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Search: sony
Results: 20089
Make Model Symptom Problem Solution By
SONY SPP2000
Alternate solution to battery contact spring problem Battery springs collapse causing intermittent operation.
SONY SPP1000
Mysterious failure, ac adapter dead, no operation Unknown case of multiple component failure. samplesforwarded, ac adapter blown. -hq comments: i examined the sample and noticed that d404 was eitherremoved or missing. without this diode there is about 100 volts ofcounteremf generated by the line rel
SONY ITA2500
Tad keeps ringing, does not answer Answering machine not picking up. found pins 2/3 of ic301shorted by solder splash. cleaned, problem persists.
SONY MDP550
Dead unit - resolder ic102 on fp-746 board Unit dead, no +5v. traced problem to display board.
SONY MDP550
No display/no picture-repl dry caps c101/02/08/10 /fp746 bd No display.
SONY MDP550
Won't play or eject - replaced pickup assy & complete adjust Won't play or eject.
SONY TCWR565
No tape functions - re-soldered d701 Capstant motor turns. assist motor tries to engage, spins.no play may fast forward and rewind. b door stuck shut as head was inplay int.
SONY TCWR400
Irregular motion of deck - replaced cracked reel motor gear When in play mode and stopping or changing directions mechwill go into ff or rw or will not stop and eats the tape.
SONY TAE90ES
Shut down after 5/10 min - repl thp601/602 adj. Thermistors thp601/602 open up because of excessive currentdraw. found idle current for both sections was set too high fromfactory. measured before adjustment and it was 450mv not 200mv as perservice manual.
SONY STRGX700ES
Protect mode engaged - added jw623 Protect mode was engaged. 0.8v dc offset at all amplifieroutputs. discovered 9-10Ω difference between pin 7 ground of ic502 andamp circuit ground. also, dc voltages at pins 5-6 and 10-11 of ic501 (stk3102 ii), while still giving proper bias drive
SONY STRD915
Speaker protect in all modes but acoustic - rear pwr amp def Unit would go into speaker protect in every mode butacoustic.
SONY STRD915
Noise in output Unit had noise in output with volume control down. noisewould not increase with volume control.
SONY STRD615
Resistors r620, 621, 721, 720 - 2 watt resistors R620/621/720/721 are 0.22, 5 watt resistors. part list120860211 is .22 2 watts. -hq comments: the schematic and parts list identify these resistors as0.22Ω, 2 watt, non-flamable resistors.
SONY STRD1011
No surround sound function - replaced ic403 (5v reg) Surround sound doesn't work at all. checked clock on ic405 and there was no clock signal.
SONY SAVA1
No audio out, display works - replaced selector ic No audio out display works.
SONY RMU141
Remote will not operate unit -replaced remote Remote will not operate 5 disc cd player. customer's 3rdremote for same problem. remote will run cd for a period of time but thenstops working all other functions on remote work.
SONY MHCC405SS
Won't spin disc or focus - unjam optical block assy The unit will neither spin the disc or perform focus search.
SONY MDS535
No audio left channel in record mode - repl ic671 No audio left channel when recording. found ic671 linebuffer shorting the input audio to ground.
SONY HCDD550
Intermittent sound on all modes - resolder r1200 pwr amp bd Unit cuts off and on after a time. found r1200 on power amplifier board not soldered to board.
SONY CDPCX153
Mechanical ticking while playing cd's - adj holder clamp asy Ticking noise while playing cd's (intermittant scraping). thisdoesn't happen all the time sometin=mes the unit could play for an hourbefore the noise is heard.