Download  Print this page

Description - HP 450A Operating And Servicing Manual

Hp 450a amplifier serials prefixed: 010
Hide thumbs

Advertisement

Section V
Model 450A
Circuit
Description
Mfr. •
~
TQ
RS
Ref.
Stock No.
CR1
Rectifier, metallic
84970
1882-0002
1
1
DS1
Lamp, incandescent: 6.3V, .15 amp,
24455
2140-0012
1
1
2 pin base, GE #12
F1
Fuse, cartridge: 0.8 amp,
75915
2110-0020
1
10
slow-blow, 115V operation
Fuse, cartridge: 0.4 amp,
75915
2110-0019
slow-blow, 230Voperation
P1
Power Cable
70903
8120-0050
1
1
R1
Resistor: fixed, composition,
01121
0690-1051
3
1
1 megohm ± 10%, 1 W
R2
Resistor: fixed, composition,
01121
0687-2211
2
1
220 ohms ±10%, 1/2 W
R3
Resistor: fixed, wirewound,
28480
45A-26A
1
1
1625, 150, 17,600 ohms
R4,5
Not assigned
R6
Resistor: variable, composition,
71590
2100-0067
1
1
2500 ohms ± 20%, 1/2 W
R7
Not assigned
R8
Resistor: fixed, composition,
01121
0690-4731
2
1
47,000 ohms ±10%, 1 W
R9
Resistor: fixed, composition,
01121
0690-1031
1
1
10,000 ohms ±10%, 1 W
R10
Resistor: fixed, composition,
01121
0690-2221
1
1
2200 ohms ± 10%, 1 W
R11
Same as R1
R12
Same as R2
R13
Resistor: fixed, composition,
01121
0690-2211
1
1
220 ohms ± 10%, 1 W
R14
Same as R8
R15
Resistor: fixed, compos ition,
01121
0693-1531
1
1
15,000 ohms ±10%, 2 W
R16
Resistor: fixed, composition,
01121
0690-1521
1
1
1500 ohms ±10%, 1 W
Refer to "List of Manufacturers".
TQ
Total Quantity used in the instrument.
RS Recommended spares for one year
isolated service for one instrument.
5-2
Figure 5-1. Replaceable Parts (Sheet 2 of 4)
00001-1

Advertisement

loading