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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY STRAV1000
No power Unit was received inoperable. upon checking ic-301, founddata pulses on pins 51, 52, 53 and 64 without any switches being pushed.geq data and clock line always had data on them but i/o data did not. myconclusion was ic-301 and ic-404 were not communica
SONY CDX7580
Cd will not load Cd will not load and display changes to cd mode. but it will not take in disc.
SONY CDP391
Noise in audio Set has digital noise at low level in audio. sounds likephono cracks, snaps and pops. replaced ram ic, d-a converter ic and dspic. it still has noise.
SONY CDP291
Noise in audio Set has digital noise at low level in audio. sounds likephono cracks, snaps and pops. replaced ram ic, d-a convertor ic and dspic. it still has noise.
SONY KV32XBR70
Only video 1, video 2 and video 3 buttons on rm-762 worked Video 1, 2 and 3 buttons on rm-762 worked on kv-32xbr70 butnothing else worked. on front controls of tv all manual functions worked.d-05 and d-07 checked good but upon replacing unit worked.
SONY STRAV920
Output transistors shorting The output transistors shorting collector to ground. this isdue to a combination of a paper insulator and the metal tab of thetransistor (collector case) ripping the paper and shorting to ground.this has been attributed to overtightening of the mounting
SONY KV27SXR10
Pincushion distortion, replace c-1510 Set in asc shop several times for pincushion distortion.l-1507 always found open. no reason found. finally confirmed c-1510intermittently opening.
SONY TAAV601
Unit in protection mode Unit goes into protection mode after 30 - 45 minutes. thetechnician replaced ic-700 and q-700, same problem. found 1v on pin 1 ofic-700, +24v on collector of q-700 and +26v on ic-600 pin 5 and 4.
SONY STRAV710
Green tape monitor lamp flashes - unit will not turn on When you apply power to unit, the tape 2 lamp flashes and themicroprocessors are locked up. nothing functions.
SONY CCDTR6
No picture through camera There was no picture through lens. found iris defective.
SONY STRV6
Noisy switches Popping sound when subsonic switch is moved.
SONY ITD100
No dial tone No dial tone. while holding handset to ear, hang up line andyou will hear what sounds like a capacitor slowly discharging, (bomb dropsound). sometime after the discharge noise, it will start grabbing anddropping the line. also pertains to serial numbe
SONY TAM50
Low ogm playback to caller - icm cuts off When the tam answers an incoming call, the ogm will be playedout the line at a low volume level and the icm will be cut off inter-mittently. this is caused by zd-1 leaking and allowing the line currentto drop below the minimum level required to hold the
SONY ITD100
Multiple intermittent problems Key pad defective/intermittent, no dial tone, no mute, no sidetone. cable has been cut by components on main board. also applies toserial number 10510.
SONY DTC75ES
No display - unit functions normally There is no display at all. however, all functions on theunit work normally.
SONY DTC75ES
Door will not open to eject the tape The door can't be opened to insert/eject the tape. the motorcan be heard running.
SONY HST201
Tape (a) won't play Tape (a) won't play. found bad motor.
SONY CDXR79
Skips Skips on all discs. found spindle motor did not have suffi-cent torque.
SONY CDXR77
Skips over bumps - more sensitive the longer unit is on Skips, adjusting did not completely solve the problem. foundspindle motor lacking torque.
SONY STRAV980
Q-801 overheating Q-801 would overheat because the emitter was getting pulleddown to 26vdc and the collector to 28vdc. traced back to filaments andtransformer as our loads. disconnected transformer at cnp-802, b+ return-ed to normal. reconnected transformer and disconn