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TABLE OF ACTIVE ELEMENTS
REFERENCE
HP PART NO. MFG PART NO.
DESIGNATOR
CR1,7-8
1901-0050
CR2
1901-0731
CR5
1980-0770
CR6
1901-0518
DS1
1990-0485
DS2
1990-0487
Q6-7
1854-0215
U1
1820-1416
U2
1820-2889
U3,8
1820-2488
U4
1820-2078
U5
1820-2635
U6
1820-2096
U7
1820-0122
U8
1260-0510
U10
1820-2466
U11
1826-0753
U12
1826-0416
U13
1826-0493
U14
1826-0519
U15
1826-0065
U16
1826-2668
U17
1826-0775
U18
1826-3562
U20
1826-0428
U21
1826-1272
Reference Designations
A3 ASSY
CI-C45
R2-8,10,11,
CR1,2,5-8
14-36, 39,43-
DS1,2
46,
J1,2
48-52, 61-85
JMP1-8
TPI-22,
L1-5
U1-17, 19-21
Q6,7
NOT USED: CR3, CR4,
Q1-Q5, R1, 9, 12, 13, 37,
38, 40, 41, R42, 47, 53-60, U18
Figure 8-24 A3 Controller/Reference Board and A4 Sampler Board Photos & Data
1N4150
1N4004G
OP913(SELECTED)
SAME
HLMP-1503
HLMP-1401
2N3904
SN74LS14N
SN74ALS11N
SN74ALS74AN
SN74LS490N
SN74ALS08N
SN74LS383N
7805UC
SAME
1CM7555IPA
MC34004BL
LF13331D
MLM308AP1
TL071CP
LM311N
SN75114N
IDA7Q
SN74ALS1005N
SG3524J
SN74LS33N
HP5501B
Service
57
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