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Bang & Olufsen
ELEKTRISKE JUSTERINGER
Lysintensiiet (Brightness)
ELECTRIC ADJUSTMENTS
Brightness
PCB4 (Display)
4
D2
Rt
1D2 loddes fri og leftes i den ene ende.
Milliamperemeter szttes ind i serie med 1D2.
Heeg en CD plade med mere end 15 numre.
Tryk PLAY.
1R1 justeres til der males 153 mA +5 mA.
+5V stromforsyning
4
TRIO.
lag en CD plade og tryk PLAY.
Mal DC spzendingen fra ben 20 til ben 40 pa 5IC7.
(SAA 7210).
NB! Der skal males direkte pa IC'en.
5D10 skal vaere kortsluttet (5377).
Hvis den mialte spending er lavere end 4,85 V skal
5J77 afbrydes.
Unsolder 1D2 and elevate it at one end.
Connect 2 milliammeter in series with 1D2.
Insert a CD with more than 15 tracks.
Press PLAY.
Adjust 1R1 until a measurement of 153mA +5mA is
obtained.
+5V power supply
10
Load a CD and press PLAY.
Measure the DC voltage from pin 20 to pin 40 of 5IC7
(SAA 7210).
NOTE: The measurement must be made on the IC
directly.
5D10 must be short-circuited (5J77).
If the measured voltage is less than 4.85V, 5J77 has
to be disconnected.
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