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Sync + On Test Point B09 (+ Off)
1.
2.
3.
4.
5.
6.
7.
Notes:
line Name or Function
+Pick K1 Dual
-Power on Delay
(in Disk)
-Channel Data Protect
+Hammer Fault
-Pick K2
+No Voltage Dual Level
-Pick K1
Test
Point
(Note
1)
B13
A2F2M04
A202J12
A202G08
B03
G13
003
1. These are sequence card test points except for
lines 2,3, and 4.
2. Becomes plus when +24 Vdc decays to +4.6
and -24 Vdc decays to -2.1. This prevents the
functioning of the disk write circuits.
ALD
S0115
DG100
00050
00090
S0115
S0115
Seconds
0
1
2
6
7
8
9
10
I
I
I
I
I
I
I
1
n
M
~
~
M
w-
W-----
+24 Vdc
----OVdc
~
)
I
(Note 2)
j
I
I;~
Power Supplies
8-17
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