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Sony Repair Tips




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Search: sony
Results: 20072
Make Model Symptom Problem Solution By
SONY PST33
Magnet out of position Platter would not turn. magnet fell out of solenoid detectinglever.
SONY HMK119
Warped turntable Record rubs on frame causing drag.
SONY CFS67
Open r308, motor and function switch No power in any function. resistor 308 is open, switchfunction is shorted in tape mode and tape motor is at first shorted andthen open. -hq comments: charging current for c305 (1000uf) through the r308 burnsthe r308. we should replace it with other va
SONY TR3230
Defective q1 No sound output. no sound with tracer at volume control.voltages of emitter to base of q1 were improper.
SONY TPSL2
Typical wow and flutter on this model Excess speed variations when the unit was used for jogging.units measured about 0.3% to 0.4% wow anf flutter while at rest, and wouldvary between 0.5% and 0.8% while jogging around the test equipment.
SONY TCK65
Defective motor Customer complained that intermittently, unit would lock up,no functions would work. found that intermittently, capstan motor wouldnot start up when power was applied to the unit.
SONY TCD5M
Defective q-901 Fast forward and rewind are stopped after running a fewseconds.
SONY SRF80W
Leads of c606 needed insulation Intermittent speaker popping on left channel. problem wouldnot arise when using headphones but only when radio installed in poweredspeaker unit.
SONY PSX40
Shorted motor Very low drive torque, q103 and q104 low outputs. no signalat emitter of q103 and q104 - measure emitter of q103 and q104 to groundreading should be 38Ω. l3 and l4 of motor measure short.
SONY PST22
Motor hum at start-up At start up of motor for about 1/2 revolution of platter thereis a hum, then a pause, as soon as the motor is up to speed hum stops.
SONY ICFC310W
Modification to increase buzzer output Customer is complaining the buzzer is not loud enough.buzzer becomes loud enough when the sleep switch is on. at that timeq6 collector receives 12v for a louder amplification than the 6 volts itsees when the buzzer is on by itself. what can be done to
SONY ICFC15W
Disconnected q9 Distorted sound in audio section. used signal tracer to findbreak in landing at the collector of q9.
SONY ICF7600
Loose capacitor Capacitor had pulled away on the tone control board.
SONY HMK414
Eject button out of proper location When unboxed, eject button pushed inside of unit. no damageto box.
SONY HMK414
Motor fell out of proper location Cassette motor fell out of tape transport during shipment.
SONY CFS55
Stop lever not properly positioned No audio when placed in play, but tape is erase, recordnormal.
SONY CFS55
Belt slips off If the unit comes in with belt off my s/s advises me that oneshould change the belt along with any repair or it will come back as are-repair in a short time. -hq comments: replace the motor pulley when the capstan belt slippedoff the motor pulley in the
SONY CFS45
Pcb mounting screw breaks foil trace Circuit board mounting screw is tightened too much. cracksbreak b+ path to function switch.
SONY TPSL2
Defective motor Unit runs slow.
SONY TCM121
Mechanical modification When customer presses record button with no tape inserted,pressure of record lever assy. against chassis causes the lever retainingportion to break off. since the retainer is part of the chassis assembly,the entire assy would have to be replaced.