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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY TPSL2
Weak battery spring Customer complaints of wow while tapping the unit (i found 4units with the same problem).
SONY TCM280
Misprint in s/m On page 23 of tcm-280/280b service manual a part numbermisprint exists. -hq comments: the correct part numbers for two diodes are as follows:dm-101 8-745-101-01dm-101a 8-745-101-11the dm-101 substitutes for the dm-101. thus, in this case, the part
SONY TCK96R
Connection error in manual The connection point shown for the white wire is incorrect.this should go to the other end of r719. the wiring diagram in themanual supplement #2 is not clear on where this wire connects. also, theblack jumper wire and r707 to the connecting point of t
SONY TCK96R
Open d604 Unit will only go into fwd plays - all other modesnonfunctional.
SONY TCK71
Alignment of tape path Found back tension 3.5 gcm and tape path high at pinch rollerand low at head, causing tape wrinkle.
SONY TCK61
Missing 2.5mm steel balls The head deck assy will not move fully into the cassette. inthe case of the tc-k81, the assy jammed in the cassette case, chippingthe erase head.
SONY TAN88B
Defective c409 Dead. found signs of overheating around c413 and c423 asusual. also found area around r419 scorched from heat.
SONY SRF80W
Poor connection at q502, d501 Radio would not work on batteries. it would work if placedin case with speakers. power was taken from amplifier unit.
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.