HP 9830 - Page 28

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