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Sony Repair Tips




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Search: sony
Results: 20081
Make Model Symptom Problem Solution By
SONY KV27XBR55
Shutdown going into video menu, investigating I have had five anu chassis units that momentarily shut downwhen an adjustment (customer) menu is entered. i have seen this beforeand a new rom ic-102 fixes it. these units new rom's did not fix, nordid changing the micro. i am sending you the a board
SONY HSAV500
Cover assembly not available/x-3942-214-3 Sliding door which covers camcorder connector is broken. needupper assembly to replace part. see page 14 of the service manual. -hq comments: part number has been registered in tokyo and will bex-3942-214-3. it may take a few weeks to get the part. se
SONY ACV25S
Will not charge/ s402 defective/ p/n 1-537-322-12 Will not switch to charge mode. found s-402 defective (end oftab broken).
SONY CFS1140
Cassette deck (no play, no pause) - unjam pause lever No play, stuck in pause. when you push the pause lever down,it goes too far and slides past the plastic stop on the chassis. thiscauses it to jam and have no play.
SONY ITD100
Handset mutes when extension phone is picked up Handset mutes when extension phone is picked up. this iscaused by line loading. the 12v off-hook line voltage of this unit getsloaded down to less than 6 volts when an extension phone is picked up.this unit will stop working at a line voltage less than
SONY CDPC225
Popping noise when ams button is pressed (r-375 not mounted) Popping noise heard when ams button is pressed in rightspeaker and sometimes distorted audio. checked the inputs of ic-306 andfound pin 4 had incorrect voltage. upon diagnosis of input circuit ifound r-375 to be missing. also applies to serial number
SONY KV8AD12
White bezel p/n missing, 9-901-601-01 White bezel part number is missing from the service manual. -hq comments: the part number for the white front cabinet is9-901-601-01.
SONY HSTD105
Purpose of brushes mounted to chassis which touch belts What is the purpose of the brushes installed on chassisresting against the belts? i've heard they can cause w & f. i see onebrush on this unit. -hq comments: we have asked tokyo to explain the purpose of the brusheswhich you have found and they have i
SONY FD280
Blurry picture, removed glue Picture out of focus. resetting focus control (rv-801) willimprove focus. after a few minutes,it will go out of focus again. visualinspection of main board shows no signs of breaks or cold solder.monitoring g-3 supply goes from 250v to 120v. focus vol
SONY KV27TS27
Herring-bone pattern, see sb tvp0165 On channel 2 only and when set is cold you get a herring-bonepattern starting one inch from the left side of picture is manual with nointerference. this is similar to fpr no. no725 but ic-301 in the bboard did not fix all of them. replaced ic-301 and p
SONY KV27TS31
Herring-bone pattern, remove ground wire, see sb tvp0165 On channel 2 only and when set is cold you get a herring-bonepattern starting one inch from the left side of picture is manual with nointerference. this is similar to fpr no. no725 but ic-301 in the bboard did not fix all of them. servicer has two othe
SONY BM75
No listen mode when using foot pedal (fs-75), resolder q-504 When unit is controlled by foot pedal (fs-75), listen modewill not work. listen mode works fine using front panel controls. rewand ff work fine using either front panel controls or foot pedal.
SONY WMSXF30
Defective motors Many reports of bad motors. problems include binding,excessive wow and flutter and irregular speed. -hq comments: the defective motors have been investigated and found tobe bad. tokyo fax (gf302921): the motor has been improved to preventsilicon gas fr
SONY D2
Irregular speed - bad spindle motors, p/n x-2641-521-1. Many reports of bad motors. irregular speed causes ticking inaudio. if you hold motor and spin, you will feel the irregularities. -hq comments: your samples have been sent to tokyo for evaluation. wehave already sent samples to tokyo in january 1993.
SONY CFS903
Sound distortion - replace function switch (s-302) Sound distorted at full volume. found battery leaking.customer claimed installed new set of batteries but last only a shorttime. upon inspection and test, when function switch is switched to fm oram radio operation, the motor also runs. found low res
SONY CDPC625
Intermittent tray operation, flex cable (ref. 56) defective The tray would turn or skip disc intermittently.
SONY CCDTR71
Lens in unit does not match schematic There seems to be two different types of lenses used in theccd-tr71. the iris motors in each lens are non-interchangeable. -hq comments: there are two lens types. type a (listed in servicemanual) is the vcl-6210wc. the other type used is the type b (vcl
SONY CDPH1750
No cd operation, bu holder assy jammed into bu cam slider The mechanism section of the five-disc player would move alittle then stop (lock up) at turn on. upon further investigation i couldsee the bu holder assy. (ref. 81) was binding in the bu cam slider assy.(ref 118). this type of problem is probably due t
SONY KV2691R
Set shut down, replaced c-609, and the fbt Fuse was blown but the horizontal output was ok. replacethe fbt and the set shut off when powered up. ripple found on the 5.7vstandby voltage.
SONY HBA5700
No power. (battery plate terminal shorts to cap on sw79bd) Unit has no power, drums new batteries. this is caused bynegative terminal of battery plate tap digs into case of filter capacitormounted to sw-79 pcb (capacitor not shown in schematic). this is thesecond unit i have seen with this problem.