Search: sony
Results: 20073
Make Model Symptom Problem Solution By
SONY TCWR445
Noise when unit is turned off - repl ic801 Ic801 defective/ when i turned the unit off, the motor keepsrunning. no display but voltage is present at the motor.
SONY TAAV621
No surround output, surround chip overheats - repl ic304 Unit had ic304 replaced from previous service. found s/m pg17, incorrect indicating notch in corner of chip to be between pins 1 and64. chip notch is between pins 48/49 as indicated on pg 23.
SONY STRGX900ES
In dolby surr the audio fades out after 1hr. - repl ic301 When in dolby surround mode the audio will fade out tosilence after approx. an hour of playing. audio present if direct buttonpressed.
SONY STRGX900ES
Int noisy left channel - repl ic404 Left speaker crackels intermittently.
SONY STRGX900ES
Static sound left channel - replaced ic401 Static sound left channel
SONY STRGX800ES
No center/front output - replaced output devices Transistors output shorted, no audio.
SONY STRGX47ES
Low-vol buzz both chls at min vol - tighten gnd on main pcb Low-volume buzz both channels, even at minimum volume. buzzsounds like data interference on audio line.
SONY STRD915
Dead - resoldered ry901 Found one side of coil on the power relay unsoldered.
SONY STRD515
R805 and ic801 defective The +12v regulator ic801 had shorted, and r805 open.
SONY STRD1015
Display fades out in some function modes - resoldered t902 Unit came in dead, svcr replaced r-channel outputs, checkedout and gave back to cust. after 1 month, customer complained that when heswitched from video 1, 2, or 3 power supply to tuner, cd, or ld, display fadedout and audio muted. servicer verified problem. c
SONY STRD1015
All input signals are heard at the same time - repl ic501/2 Switching ic501/502 defective. i can hear all input signalsmixing at one time.
SONY STRD1011S
Low output on left channel @ 300 hz - normal in dance mode When using video input 3 sound field dance mode, the outputat the left mainspeaker is approx. 30% lower than the right. to verifythe problem a generator was used at 300hz. two other units with sameproblem. -hq comments: update 5/3/95: i checked the sa
SONY STRAV910
Dc at the output of q716/715 is -36v - repl r706 Output one channel has dc volt -36v. found resistor r706change value from 33 to 160k. value of r706 is 33.
SONY SAVA1
Removal of front panels The s/m indicates the front panel and grille are removeablefor servicing. however two different servicers have called this week,saying the dowel rods are glued in. this makes it difficult to servicethe unit without damage. also applies to s/n 815449.
SONY MDS501
After recording unit will erase entire disc - repl ic101,110 Unit worked fine all measurements were good, but whenrecording it would record informatin on head but after rec unit woulderase entire disc. noticed pre 94 ic's in unit.
SONY MDS302
Dead - reset and resoldered ic201 Unit totally dead. grounded out ic202 on digital board.unit then flashed standby, resoldered ic201, unit worked.
SONY MDS302
Extension cables Are there any extension cables available for this unit totest mechanical assy outside unit? -hq comments: at the time i am writing this, there are no extensioncables available. i will fax tokyo and ask if they will be available inthe near future.
SONY HCDH1200
Unit has no power - replaced q791 Q791 shorted on main board. no display or operation. unitis dead.
SONY HCDC50
Part # missing for head lead cable The part number for the head lead cable is not listed in theservice manual. head cables from the a & b decks plug into the mainboard at connectors cn311 and cn321. -hq comments: we had notified kansas city parts regarding this matter.update 5/25/95: kc
SONY HCDC33
Auto rev not working/grinding - align m2's small gear shaft When manually changing direction or when deck auto reversesthere is a grinding noise and unit stops or tries to play in the samedirection. problem is usually with deck a. small gear located on m2does not completely line up with larger gear causing te