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Ottima qualità grafica e completo nelle notizie. Costo abbastanza contenuto.
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Very good service Within one day i received a pdf of the users manual and electric circuits so I was able to measure the different voltages in the printed circuit and find out the fault Payment was also reliable and easy.Without the manual i could not have repaired.So thanks to "Search for a manual"
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you are doing great job guys.....my father ask me to find out the schematics of Sony KV25R1D to sort out the problem ..(he was electrical technician, and excperianced with TV and simillar stuff). finally he found the cause and change all necessary parts....now he has got working old dog..and is very happy!!... thank you all.. NB..he also saved the repair cost.
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CDX-P670,P676
12. To see the amount of dislocation, place the mechanism upside-down. If the stopper bend has been dislocated in the direction of the first CD, turn VR802 to the left(Fig. 2). To lower the stage toward the sixth step by 0.1 mm, reduce the voltage of EREF (adjusted in step 8) by 20 mV. If the stopper bend has been dislocated in the direction of the sixth CD, turn VR802 to the right(Fig. 4). To raise the stage toward the first step by 0.1 mm, increase the voltage of EREF (adjusted in step 8) by 20 mV.
L.P.F.
VR802
EREF GND
47k� 1µF
13. Place the mechanism horizontal. Go back to step 11 to reconfirm the stage height. 14. When adjustment of the stage height is completed, proceed as follows: 15. Press the EJECT switch. 16. Once operation of the mechanism has stopped, turn the power OFF. 17. Wait more than one minute after the power is turned off, then turn the power ON and insert a magazine. 18. Check if the mechanism operates correctly with the first and fourth CDs. 19. If the mechanism operates properly, adjustment is completed. If the mechanism operates improperly, make the adjustment again.
Oscilloscope
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