NS.8
NS.9
NS.6
NS.7
7.5
0.1
N65.F6
N65.C3
rd
bk
FORWARD
MOTOR
(right)
5.1
0.1
N65.E5
bk
rd
REVERSE
MOTOR
(left)
N65.B2
27
N65.A1
FORWARD DRIVE
SOLENOID
(left)
REVERSE DRIVE
SOLENOID
(right)
N65.R
2.7K
18.2K
3
2
10K
6
U65-1
741
10K
4
7
N65.13
V+12
V–12
N65.14
WRITE
PERMIT
(when open)
5.6K
5.6K
CASSETTE
PRESENT
(when open)
N64.D4
N64.C3
N64.H7
N64.F6
V+12S
HEAD
DOOR
N65.H7
Q4
3-027
820
1K
Q9
2N4237
68
Q8
2N4237
68
TP6
TP7
Q7
2N4237
68
Q5
2N4237
68
TP5
TP8
Q6
3-027
820
1K
TAPE INTERCONNECT
Assembly 65
MCM
MFW
MRV
SFW
SRV
4
5
6
10
9
8
U64-2
U64-2
12
13
11
U64-2
1
2
3
U64-2
N64.T
N64.15
m
m
m
m
220
Q2
2N3053
m
Q9
2N3054
N64.L10
N51A.Y
N64.M11
N51A.Z
V+17
1.5K
Q3
3-027
1uH
22K
560
20041
1N751A
6.81V
10
N65.D4
N64.E5
3
2
6
U64-3
741
4
7
V+12
V–12
1.96K
N64.J8
N51A.W
4.99K
10K
2
1
U64-1
V+12
0.0082?
200K
N64.13
4
3
U64-1
20048
4.75V
N64.16
Q1
3-010
TP1
25.5K
15.4K
3
2
6
U64-4
741
4
7
V+12
V–12
14.9K
8.06K
19.8K
6.12K
0.1
N64.K9
N51A.X
m
4.75V
?
0.01
V+12
0.01
V–12
0.1
TP4
m
BOT/EOT
nFTC
LDR
nRNC
nBFD
WPT
CIN
TAPE MOTOR CONTROL
Assembly 64
TP3
TP2
N64.N12
og
rd
wh
wh
TP1
nRVC
N64.B2
N64.A1,V18
N64.17
V+12
V+12
N64.U
V–12
V–12
6
5
U64-1
8
9
U64-1
10
11
U64-1
12
13
U64-1
HP 9830 Computer
Section: Tape Drive
Page: T3
Rendition: 2014 Dec 26
MAG TAPE: <2.5V, 0.1V typ.
LEADER : >2.5V, 4.5V typ.
NS.2
NS.3
NS.4
NS.5
NS.1
NP.2
NP.4
NP.5
NP.3
NP.1
NM.1
NM.2
NM.4
NM.5
NM.3
COM