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Sony Repair Tips




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Search: sony
Results: 20072
Make Model Symptom Problem Solution By
SONY XM1
Defective ic301 and ic102 The oscillator and its associated amp were shorted on thisunit. naturally there was no pwm output and the sound was very low anddistorted.
SONY TCFX66
Loose chassis ground screw User complained remote control (rm50) would only work after1-2 hour warm up.
SONY TAYX7F
Volume increases Dealer has 2 units out of box that would intermittently goto max volume after warm-up. this is a motorized volume control, and thedrive transistors for the motor have open circuits at the bases when thev/c is not being driven.
SONY STRVX5
Time constant of protection relay too long The speaker relay delayed an excessive amount of time beforeopening its contacts at turn off. this created an occasional pop throughthe speaker. we determined that the time constant-associated withc718/r743 was too long. reducing c718 from 220 uf to 1
SONY PSX800
Tonearm would drop When the tonearm was going down, before the stylus touched therecord, the muting relay clicked and the tonearm dropped.
SONY PSX800
P/n error in s/b Incorrect p/n listed page 54 of manual - p/n listed8-719-990-03 should be 8-719-910-03.
SONY PSX600
Defective ic105 and r170 Zero balance drifts.
SONY PSLX500
Defective socket The copper sleeves in the socket of the p-mount were pushedall the way back into the tone arm. i have received several reports onthis problem.
SONY PSFL7
Pins out of place The copper sleeves in the p-mount socket were pushed backtoo far to make contact with the pins of the cartridge.
SONY ICFD11W
Missing ground jumper When frequency display button was pushed, frequency changedand the station was lost. this was the same problem as reported 2/16/82dk-2-1. it appeared to be a ground loop problem.
SONY ICFC55W
Leaky c115 Segment on right channel was not showing proper number. allsegments lite up although a 1 should be shown. found c115 leaky.
SONY ICFC20W
Defective q4 and q5 Either q4 was leaky or q5 was open. am on while switch infm position.
SONY ICF200W
Open r36 When the unit is turned on after a couple of minutes a clicking noise is heard at the speaker.
SONY CDP101
Out of alignment High-frequency squeal through audio system with cdp-101 inany mode (stop/play/pause). checked completely and looked at output withoscilloscope. no high frequencies were audible.
SONY CDP101
Loose right rail on sled Loose right rail on sled. holder bracket missing.
SONY CDP101
Defective cx-79034 Static noise in both channels after 8 to 10 minutes. foundnoise being generated at output of cx-79034.
SONY CDP101
Out of alignment Rumble in audio. checked unit and found no problem. problemcould be in software or playback system. did complete alignment for unit,focus servo slightly out of range. returned to customer.
SONY CDP101
Shorted wire -10 volt line (from cn542 to cn536) was shorted to chassisnear bracket (bottom) to the rear of the sled assy.
SONY XR77
Large distortion Unit produced large distortion during tape operation withoutboard display no. 'dpl -el.
SONY TCK81
High torque measured After installing new take-up arm assembly, forward torquemeasures 55 to 65 q/cn. this may be contributing to tape skew problems,by requiring increased back tension.