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STUDER REVOX B79O Serviceanleitung Seite 40

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+240V
0,0(4)¥
4
3
2
4
C2
+50V
5
cL
itp
pl2
Q
a
IC 1=74LS74
is
2=74LS 04
5
22,
ta
i
4
Zak
C27
eles
3=74LS10
0
1,..7
2
+50V
6
4=74LS00
9 +10
RAB
1N4448
4k
5=74LS11
12... 14
;
R3:
bse OPEN a cen eee
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5
=
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R32
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|
+140V
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|
1
+6,0V
R56
R4
;
47K
1 LOWERING
10k
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ISOLENOID
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|
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R6
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40K
|
1
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|
47k
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|
2N4401L
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|
+60V
|
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i
2N4404
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1")
2N4403 | ne
:
| R54
|
~60v
|
|
1.179.150
Lowe
NFL
REVO-00111 / Druck 8
4.179.147 |
SWITCH
BOARD / ARM
pe
a
fet
LOWERING
LIF TING
' +40,0V
FAST INWARD
| FAST OUTWARD
SET FOR A SENSITIVITY OF
1 V(TP1) FOR 0.1 mm
SET FOR STABLE OPERATION
OF POSITIONING MOTOR.
SENSITIVITY OF END-OF-
RECORD-TRIGGER. MUST
TRIGGER AT 3.2 mm PER
REVOLUTION PICK-UP
DISPLACEMENT SPEED
AT 33 1/3 RPM.

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