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5-172
U4-3
U4-5
U4-9
U4-11
U4-12
=
4 MHz
=
2 MHz
=
L
=
P
=
L
U5-8
U4-3
U4-11. U4-12
U4-5
U30
or the data bus is defective.
U5-8
= 4 MHz
U5
or
U1
defective;
R1
or
R2
incorrectly adjusted.
U7-5
=
H
U7-11
=L
U7-12
= L
U7-13
=
H
U23-8
U30
or the data bus is defective.
U30
or the data bus is defective.
U7-11. U7-12
U 10-3
= L
U10-17 = H
UlO-17
U33-9
U11-3
=
H
U11-5
= H
U11-9
= H
U11-11=L
U11-13 = H
U16-7
U24-14
U24-12
U24-15
U24-13
U12-3
U12-5
U12-9
U12-11
=
4 MHz
=
2 MHz
=
1 MHz
=
2 MHz
U18
is bad.
U12-3
U12-11
U12-5
U4-9
U4-5
U13-4. U13-5
U13-9. U13-10
U12-9
U14-8
=
L .
=
2 MHz
=
2 MHz
=
1 MHz
=
1 MHz
L
U13-4
U13-5
U13-6
U13-8
U13-9
U 13-10
=
U14-11, U14-12
U12-9
U7-13
=
L
1 MHz
H
U14-8
U14-11 =
U14-12 =
U15-4
= H
U15-7
=
(H)
U22
or the data bus is defective.
U 15-4
U16-4
= L
U16-7
= H
U16-9
=
P
U16-11 =
P
U1
or
U22
is defective.
U16-4
U16-11
U9
is defective.
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