Dicas Reparação SONY
Modelo - Chassis
Pesquisa: SONY Enviar Dica Resolvida
Resultados 18945
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| 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. | ||
| Sony | TCK88B | LOOSE WIRE BETWEEN SERVO BOARD AND SYSCON BOARD | Counter was intermittently not advancing. Determined thatIC602 derives count from supply reel revolutions using output of Q536 andQ535 on servo board. |