Search: sony
Results: 20072
Make Model Symptom Problem Solution By
SONY TAAX500
Fractured ground lug With the volume control set at minimum there is an imbalancein the sound level and static in one or both channels.
SONY STRVX550
Missing part number in manual No part number for fm tuner in s/m. fm tuner number isa-434-402-9a.
SONY STP75
Defective control upc - ic603 This unit did not light any display segments and there wasno tuning. a check of - control upc - ic603 revealed that the ic wasinoperative.
SONY RS30
Short on secondary of t901 No power. spring connector was bent towards pc board,shorting to ground the secondary of t-901 (power trans).
SONY PSLX500
Audible noise Low level thump or rumble like noise is heard when everhorizontal drive motor moves tonearm.
SONY PSF5
Instructions in manual Page 17 of service manual, in order to perform verticalbalance and horizontal balance we recommend using a 70mg, a 245mg anda 315mg weight. servicer has asked if we have a p/n for these weights. -hq comments: use the following number of washers to get
SONY PCMF1
Defective ic531 Sound breaks up (muting) on e to e and on playback ofprerecorded tape. found vco drifting. found no dc change at output ofic531 pin 1 although input to pin 3 was changing.
SONY MTL10B
Defective q511 All functions inoperative. unit had been worked on by dealerand microprocessor had been changed (ic502). found that there were nokey scan pulses to pins 30/31/32 and ic502.
SONY M205A
Defective panasonic cassettes I have had several instances of erratic or non-operation ofm205a at the pittsburgh fsc counter. in all of these, the customer wasusing panasonic mc60 cassettes. replacement with sony mc60 cassettescured all problems to satisfaction of customer.
SONY ICF2001
Defective ic201 The am was very weak and only strong stations could bleedthrough. we found the problem to be caused by incorrect bandswitching.we found ic201 to be putting out the wrong commands.
SONY ICF2001
Defective filters q32/q51 The fm muted above 89.20mc. am worked fine we found the pwmnot being properly filtered out of pll-1.
SONY CFS99
Substitute part was smaller Substitute part was smaller. -hq comments: late production cfs-99s used a larger gear (an) identifiedby p/n 3-579-641-00. please make a note in your s/m.
SONY CFS45
Replacement part is smaller Replaced tape transport with x-3570-050-1. found motor switchnot being activated due to arm on brake lever being too short to reachswitch. transport p/n x-3570-050-4 has correct length arm.
SONY CDP701ES
Dead unit The dead unit had ic108, ic109, ic110, ic801 - shorted.ic108 was physically melted, with a hole in the chip. we can duplicatethe problem by shooting c218, c214, c138 to ground for a fraction ofa second.
SONY CDP101
Fusible resistors r390 and r391 Door opens slow. r390 and r391 was charred and ic304 wasreplaced as precaution.
SONY CDP101
Defective crystal 1) disc motor would run at power on. 2) no loading orchucking operation. 3) sometimes pause and play, leds would light.4) sometimes drawer would open partly.
SONY XR85
Loading drive belt stretches Loading drive belt stretches and belt will slip. when thebelt slips the cassette will not load.
SONY XR85
Incorrect part number in manual A tech. ordered a volume control (r/n 502 in the s/m) by theparts number 1-228-735-00 but he received the part 503, instead.
SONY WM10
Cold solder joint on flexible board Unit stopped rewinding or fast forwarding several secondafter pressing rew or ff button. found cold solder on the flexible boardbetween s901 and r634 as indicated in the diagram.
SONY TCK88B
Unit out of adjustment Dealer complained of gross wow and flutter. verified problem,measured 0.6% jis weighted.