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Sony Repair Tips




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Search: sony
Results: 20077
Make Model Symptom Problem Solution By
SONY SLV373UC
No power Unit is completely dead. no unswitched voltages. only vol-tage out of power supply is -7.9 volts for the -27.5 volts line.
SONY WMD3
Uncontrollable tape speed Tape runs too fast. cannot adjust tape speed.
SONY SPP120
No or interrmitent audio Unit has no audio or intermittent audio.
SONY STRAV1020
Tuner bleed through Tuner bleed through while listening to another power supply (ie, cd,dat, phono, tape). this is most noticeable during a quiet passage or be-tween tracks when the volume is at a high level. the problem appears tobe ic-606 and ic-607, the analog switch lc-7822
SONY SSU311
Part numbers for drivers not available The p/ns for the drivers in this model are not available atthis time.
SONY CCDF401
Low battery adjust I was informed by the technician in san diego of a problem ofnot being able to do low battery adjust. the problem is if the unit isset higher than 5.58 vdc as called out in the procedure, the unit shutsoff and no display on the rm-95. this prevents you
SONY CCDF201
Low battery adjust I was informed by the technician in san diego of a problem ofnot being able to do low battery adjust. the problem is if the unit isset higher than 5.58 vdc as called out in the procedure, the unit shutsoff and no display on the rm-95. this prevents you
SONY CCDF55
Low battery adjust I was informed by the technician in san diego of a problem ofnot being able to do low battery adjust. the problem is if the unit isset higher than 5.58 vdc as called out in the procedure, the unit shutsoff and no display on the rm-95. this prevents you
SONY KV27EXR15
No power with remote, replaced q-604 Unable to activate power using the remote. i was able to getmomentary power on via the manual power button. observed the voltage atbase of q-601 the relay driver and it went to 1.2 volts then dropped to .4volts. the ovp line was low at 1.4v instead of
SONY WMAF59
Substituted main belt is larger than original The part number is substituted to 3-539-830-00. the substi-tute belt is too big. used belt part number 3-566-074-00. -hq comments: i checked wrpc. they also sub to 3-539-830-00.tokyo fax ( a911630 ) : the correct belt for this model is the one listed
SONY D303
Sled runs to outer limits and stays there When play actuated, sled ran quickly out to edge of disk andstayed there. motor would not shut off. noticed that ic-502 - 14 was at2.4v (slo) while ic502-13 (sl(+)) and ic502-15 (sl(-)) were at 1.7v asshown in manual. found r-522 feedback resistor rea
SONY EVT801
Modification for use with ac line lock cameras When the unit is used with an ac line lock camera, randomletters may intermittently appear in the upper part of the picture. alsoswitching noise may appear in the playback picture.
SONY XR7180
Need part number for head cable Need part number for head cable with connector. -hq comments: the playback head flexible cable is supplied as part ofthe head it is not available separately. please order part number1-543-506-11 to obtain the head and flex cable.
SONY KV2900
Unit won't turn on at 120 vac Unit came with no function. if you used ac variac and turnedto 140 vac, unit will work ok. checked all voltages at q-601 and ic-601when ac is at 120 vac. they are half of value. when its already(140 vac), unit turns on. bringing it back to 120 vac u
SONY TCH3600
Unit contains fuse links on power bd not referenced in s/m Unit has (2) 2.5a fuse links connected in series with thecollector of q-501 and the bridge rectifier and in series with thecollector of q-502 and the bridge rectifier. the service manual does notshow any reference to these fuses on page 27. -comments:
SONY CFSW400
Motor in tape recorder service bulletin 234r runs too fast The replacement motor shown in tape recorder service bulletin#234r runs too fast. why does this bulletin recommend using motor typemma-6b9rwbt, when the original motor type dne-7700a is still availableunder its original part number (a-3133-221-a)? -hq
SONY CDX7520
Will not load cd When power was applied to unit, cd mechanism would move toload position and would not return to unloaded position.
SONY FD2A
Incorrect ic case style, ic201 The original part listed above is substituted to 8-759-602-xx.this substitute part is a suface mount device. the orginal part is a pcmount device. the leads are too short to mount on the printed circuitboard. original part is 8-759-602-99. replacemen
SONY WMFX43
Tuner operation is temperature sensitive Unit worked perfectly at room temperature but tuner would fadeout below 65 degrees fahrenheit. q-53 regulator voltage dropped to 0.8vwhen unit was cool and up to 2.4 volts when unit was warmed up. voltagewas unaffected by rv-53 (2.1v adjustment). foun
SONY XR4257
Static and low volume on right channel when using tape deck Unit has a lot of static and low volume on right channel. theleft channel is ok. this problem was only on the tape deck tuner wasok on both channels.