Racal Instruments 9901 Maintenance Manual page 75

MAIN
PCB
ASSEMBLY
19-0707
(Continued)
Part
No.
22-4044
22-4051
22-4048
22-4049
22-4053
22-4123
22-4059
22-4061
22-4128
22-4202
22-4207
22-4517
22-4527
22-4537
22-4601
Description
Rot
Value
Integrated Circuits
Quad
2-
Input Pos.
NAND
Gate
(7400)
Quad
latch
(7475)
Dual-D
Bistable
(7474)
Decade Counter
Triple
3 Input Pos.
NAND
Gate
(7410)
BCD
to
10 Line
Decoder
(74145)
Hex.
Inverter
(7404)
Hex.
Inverter
Open
Collector
O/P
(7405)
BCD
to
7-Segment Decoder
(74247)
Dual Freq.
Comparator
Op.
Amp
(747)
Differential
Video
Amp.
(72733)
Quad
I/P
Exclusive
OR
Gate
(7486)
Dual Line Receiver (75107A)
Retriggerable
Monostable*
CDI
LSI
* Only
Texas Instruments 741 23
N
Component
Reference
Part
No.
Tol
Description Rat
Value
Component
Reference
Transistors
IC3,15
22-6101
FET,
N
Channel (W300A)
Q1
22-6009
Silicon,
npn (2N4124)
Q3,27
IC7
*22-6079
Silicon,
npn (ZTX313L)
Q2,4,5,6,7,
8,10,12,13,15,
1C9
22-6010
Silicon,
pnp (2N4126)
25,28,31,34
Q9,ll
ICIO
22-6113
Silicon,
pnp (ZTX
550)
Q14,
16,
19,20,
1C6,18
21,22,23,24,
29,30,33
IC16
22-6112 Silicon,
npn (ZTX
450)
Q32
*Except
for
Q8, type
2N2369
(22-6017)
is
alternative
IC1,8,14
Inductors
IC12,13
23-7007 Inductor
0.68pH
LI
IC17
23-7056
Inductor
lOOpH
L2
23-7107
Inductor
470
pH
L3
IC5
IC21
Switches
IC11,19
23-4077 Switch bank. Function SI
23-4078 Switch bank.
Time
Base
S2
IC22
1C4
Miscellaneous
IC2
23-3213
1C
Holder
for
IC2
to
be
used
AMENDMENT INFORMATION
Check with Section
4
at the
back
of
the
book
for
change
information.
9901 Vol. 2
Parts
List
4b