Service manual
DOUBLE-DENSITY
DISK
CONTROLLER
1
6
.,1
Replacement Parts List
(Double-density
disk
controller
circuit
board
part
number
HE 181-3614.)
CIRCUIT
PART
DESCRIPTION
CIRCUIT
PART
DESCRIPTION
Compo
No. NUMBER
Comp No.
NUMBER
RESISTORS
INTEGRATED CIRCUITS
R1
HE
6-102-12 1000
il,
1/4-watt
See
the "Semiconductor Identification Charts."
R2 HE 6-103-12
10
kil,
1/4-watt
R3 HE 6-103-12 10
kil,
1/4-watt
CAPACITORS
R4 HE 6-102-12 1000
il,
1/4-watt
R5 HE 6-102-12 1000
il,
1/4-watt
R6 HE 6-104-12 100
kil,
1/4-watt
C1-C16
HE
21-769
.01
IJoF
ceramic
(..;
R7 HE 6-103-12 10
kil,
1/4-watt
C17
HE
25-911
22
IJoF
electrolytic
R8 HE 6-102-12 1000
il,
1/4-watt
C18
HE
21-769
.01
IJoF
ceramic
R9 HE 6-103-12 10
kil,
1/4-watt
C19
HE 25-911
22
IJoF
electrolytic
R10
HE
10-1180 100
kil
control
C20
HE
21-769
.01
IJoF
ceramic
R11
HE 6-473-12
47
kil,
1/4-watt
C21
HE
21-141 .0033
IJoF
ceramic
R12
HE
6-473-12
47
kil,
1/4-watt
C22
HE
21-769
.01
IJoF
ceramic
R13 HE 6-680-12 68
il,
1/4-watt
C23
HE
21-769
.01
IJoF
ceramic
R14
Not Used
C24
HE 21-769
.01
IJoF
ceramic
R15
Not Used
C25 HE 21-769
.01
IJoF
ceramic
R16
HE 6-2002-12 20
kil,
1/4-watt
C26 HE 21-769
.01
IJoF
ceramic
R17 HE 10-1154
10
kil,
1/2-watt control
C27
HE
20-96
36
pF mica
R18
HE 6-1002-12 10
kil,
1/4-watt
C28
HE 21-769
.01
IJoF
ceramic
R19 HE 6-222-12
2200
il,
1/4-watt
C29
HE
27-217
.68
IJoF
Mylar*
R20
HE 10-1138 10
kil,
314-watt control
C30
HE
21-192
.1
IJoF
ceramic
R21
HE
6-124-12
120
kil,
1/4-watt
C31
HE
25-195
2.2
IJoF
tantalum
R22
HE
6-332-12 3300
il,
1/4-watt
C32 HE 21-744
82
pF ceramic
C33 HE 21-192
.1
IJoF
ceramic
INDUCTORS
C34 HE 21-769
.01
IJoF
ceramic
C35 HE 25-197
1
IJoF
tantalum
C36-C63 HE 21-773
470
pF ceramic
L1-L7
HE 235-192
35
IJoH,
RF Choke
C64
HE
25-883
47
IJoF
electrolytic
L8
HE 235-230
7
IJoH,
Ferrite Core
C65-C66
HE
25-841
4.7
IJoF
tantalum
L9
Not Used C67
HE 21-769
.01
IJoF
ceramic
L10-L37
HE 235-230
7
IJoH,
Ferrite Core C68
HE
25-841
4.7
IJoF
tantalum
C69
HE
21-769
.011JoF
ceramic
*OuPont Registered
Trademark