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Sony Repair Tips




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Search: sony
Results: 20073
Make Model Symptom Problem Solution By
SONY KV20TS20
Severe pie crust effect, open c-501 Unit exhibits severe pie crusting. scope pin 11 showingdistorted in horizontal drive output. indicating a bad ic-301. thenreplaced ic-301 problem still exists. did a component by component checkfor open capacitor in horizontal oscillator drive sectio
SONY MVCC1
Jamming of disk packs, replaced loading gear Unit would jam while ejecting.
SONY MVCC1
Eject motor runs for 1 second then stops, replace ic601 When ejecting a disc pack, the eject motor would run for abouta second then all motion would cease.
SONY MVCC1
Spindle motor runs continuously, replaced stepping motor Spindle motor runs continuously.
SONY MVCC1
No power, replaced d301 - d308 Have seen diodes d301-d308 fail several times, more commonlygoing short circuit. -hq comments: thank you for the information.
SONY D7
Unit powers up - spindle motor/no torque to spin disk Unit powers up, display comes on, fop tries to focus butspindle motor does not have enough torque to spin disk.
SONY MVCC1
Intermittent operation, replaced q329 on ma-1 board Intermittent operation of unit.
SONY MVCC1
No power, replaced q310 on ma-1 board No power.
SONY KV27HSR10
Cold solder connections on t-501 Unit dead, no horizontal drive pulse.
SONY CCDF35
Will not eject tapes Will not eject cassettes.
SONY ITA750
No tone dialing and always picks up on one ring No tone dialing and always picks up on one ring.
SONY TAM50
Unit will not set up to take messages - get error beeps Unit will not set up to take messages when answer button ispressed. sometimes you can record the ogm, but when the unit tries torewind the tape, you get the error beeps.
SONY TAM30
Unit will not set up to take messages - get error beeps Unit will not set up to take messages when answer button ispressed. sometimes you can record the ogm, but when the unit tries torewind the tape, you get the error beeps.
SONY CDXR77
Cd only plays when unit is turned upside down Cd only plays when unit is turned upside down.
SONY STRAV1020
Silkscreen for ic-251 printed on board wrong Silkscreen printed on video board for ic-251 on video board isbackwards (ie. 180 degrees). pin 1 on ic actually corresponds to pin 9on the board.
SONY PSLX520
Intermittent speed After refering to sdis, and noting a similar problem with thiscircuit i checked r-107 and r-106. r-106 was a 390k resistor r-107 was a1.6k resistor.
SONY SLV757
Does not respond to controls Won't eject, power down.
SONY STRAV1020
Protection circuit activated Protection flashes on front display. q-719 (relay drive)shuts off de-energizing ry-701. thus opening the signal path to speakers.
SONY CFDD73
Intermittent skipping / track jumping Unit would intermittently skip and sometimes would not ams.upon monitoring sled motor drive voltage, found it to be increasing.normally, it is about 0.7v.
SONY CFD455
Intermittent skipping / track jumping Unit would intermittently skip and sometimes would not ams.upon monitoring sled motor drive voltage, found it to be increasing.normally, it is about 0.7v.