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Sony Repair Tips




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Search: sony
Results: 20089
Make Model Symptom Problem Solution By
SONY SAW542
Defective output ic - replaced ic Ic631/641, rear/center output, are often found to bedefective causing protector to respond and shut down speaker.
SONY PSLX56
Dead - replaced open fuse f1 Turntable does not rotate. found fuse f-1 loose inside theunit. this is due to a deformed fuse holder. the s/m lists a pig tailtype of fuse, this unit has a fuse that uses a fuse holder.
SONY DTC75ES
Audio intermittently mutes and/or intermittent functions Audio intermittently mutes or intermittent functions. unitwould seem to reset itself when a function is pressed with tape only.display would blink when symptom occurred. audio would intermittentlymute when in play.
SONY CDPH7900
Cd jammed - replaced bu-assy and ic 203 Bu assy was melted on the unit and cd jammed. it was inoperative except for open/close button. after replacing bu-5bd10 p/n a4669603a, pick up assy started to move very fast in all directions.
SONY CDPCA9ES
Audio cuts out - replaced by assy Audio cuts out intermittently. the time counter iscontinuously changing but the sound will intermittently mute.
SONY CDPCA9ES
Random skipping - add rtv sealant between spindle motor & bd The unit will skip once every one or two hours when testedusing the sony skip checker jig. replaced the optical block, bd board,spindle motor, sled motor, and assoc gears and flex cables also replacedthe dsp ic301, system control ic501, and installed th
SONY CDPCA8ES
Random skipping - add rtv sealant between spindle motor & bd The unit will skip once every one or two hours when testedusing the sony skip checker jig. replaced the optical block, bd board,spindle motor, sled motor, and assoc gears and flex cables also replacedthe dsp ic301, system control ic501, and installed th
SONY CDPC445
Drawer not opening
SONY CDPC445
Loading problem Unit would not load correctly. sled motor would not stop when it reached limit. limit switch closing and closure being sensed by the servo/ic101. system control cpu/ic501 did not recognize limit switch closure due to
SONY CDPC345
Whistling noise Re: vistain's complaint of whistling noise with this unit.
SONY CDPC265
Distorted audio - replaced ic501 on main board After a few minutes the aduio would be distorted on both channels.
SONY CDP261
Drawer won't open - soldered on lead of jw45 Drawer won't open due to no vcc on ic204. also found no +7 volts on pin 22 of cnp101.
SONY LANC JIG
No rm-95 emulation We had a lanc jig that simply did not perform properly.there was no rm95 emulation and the jig would never detect a camera.after performing the modification the jig worked, but the rm95 emulationwas temperamental. the waveform adjustment did not have
SONY XRU880
No audio (found c306 and c308 had leaked) No audio from tape deck. c306/308 standard electrolyticcapacitors leaked onto eq board. traces aaround c306 were corroded andphysically lifted off the board. electrolyte seeped through feedthroughs and stained the mechanism. all feed through are blac
SONY XRU700
Erratic tape deck operation (found rotary slide switch bad) Tape would load in steps then eject. very erratic movementof tape transport.
SONY XRU330
Dead (found c102 had leaked, causing damage to 5v trace) Unit dead. found 5v line to ic201 pins 3/4 at 2.5v.discovered c102 leaked and corroded a trace.
SONY XRU220
Dead (found leaking c102 caused damage to 5v line) Unit dead. found 5v line to ic201 pins 3/4 at 2/5v.discovered c102 leaked and corroded trace.
SONY XM2042
Intermittent audio, found broken solder connections on jacks Line input jacks create cold solder connections due tovibration and handling/installing/removal of rca jack. these jacks seemto be supported by main board only. factory installed small pieces ofrubber for support, but they fail.
SONY MDXU1
Gear ref. 310 grinds during load, damages gear teeth. Gear ref. # 310 grinds during load, causing the teeth to getchewed up. fpr p3402 states to replace the gear. discovered that geargets ground up because of poor solder on sw621 (loading-end detect switch)causing loading motor to run too long.
SONY CDXC490
Erratic operation from key switches, found open ground trace All key switches function wrong. examples: select buttonwould turn unit off am would switch fm function presets at wronglocations.