HP 740B Operating And Service Manual page 84

Section VI
Table 6-2. Replaceable Parts (Cont'd)
Model HOB
RRF.ERENCE
___-J1p.-__
~
TQ
DESCRIPTION
IvIFR. IvIFR.
PART NO.
DESIGNATOR
PART NO.
Chassis Mounted Components Cont'd
L1 9110-0106
1 Inductor: filter
-hp-
L2
9110-0107
1 Inductor: input filter -hp~
L3
9140-0041 1 Coil:
R. F. 2.5 mH ±10%
95265 SA-2500-I
L4, L5
9100-1332 2 Choke: R. F. 400 JJ.H ±100 JJ.H
-hp-
L6, L7
9100-1344
Choke: R. F. 400 JJ.H ±100 JJ.H
-hp-
M1
1120-0916 1 Meter: calibrated
-hp-
Q1
1850-0189 1
TSTR: Ge PNP
16758 7297086
Q2
1850-0160 1 TSTR: Ge PNP 2N2147
86684 2N2147
Q3
1850-0098
1 TSTR: Ge PNP 77068
B-1493
R1, R2
Not Assigned
R3
0816-0001
1 R: fxd ww 250 Q ±5% 10 W
91637 HLW-12-11W (SP1)
R4
0811-0390 1
R: fxd prec ww 0.549 Q ±1% 5 W 91637 RS-5
R5
0816-0004
1
R: fxd ww 800 Q ±5% 10 W 91637 HLW-12-11W (SP1)
R6
0684-1041
R: fxd comp 100 kQ ±10% 1/4 W 01121
CB1041
R7 thru R9
Not Assigned
RIO
0687-8231 1
R: fxd comp 82 kQ ±10% 1/2 W
01121 EB8231
R11
0687-6831
1 R: fxd comp 68 kQ ±10% 1/2 W
01121 EB6831
R12
2100-0937 1
R: val' comp 250 Q ±10% 1. 12 W 01121 Type J
(CURRENT LIMIT)
R13 2100-1780
1
R: val' prec ww lin 100 kQ ±5% 2 W 12697 Series 62
10 turn (ZERO)
R14 2100-0067
1 R: val' lin 2500 Q ±10% 1/2 W
11237 Series 45
(RECORDER OUTPUT)
R15
0687-3311 1
R: fxd comp 330 Q ±10% 1/2 W 78488 RC-20 obd
Sl
00740-61907
1 Switch assembly: RANGE and FUNCTION
-hp-
Includes all mounted parts
SlC1 0160-0168
C: fxd my 0.1 JJ.F ±10% 200 vdcw
56289 192P10492-PTS
SlC2
0150-0098 C: fxd eel' 0.01 JJ.F ±20% 1000 vdcw
-hp-
SlR1
0686-1645
R: fxd comp 160 kQ ±5% 1/2 W 78488 RC-20 obd
SlR2 0686-1655
1 R: fxd comp
1.
6 MQ ±5% 1/2 W
78488 RC-20 obd
SlR3
0686-1635
1 R: fxd comp 16 kQ ±5% 1/2 W
01121 EB1635
SlR4 0686-1625
1
R: fxd comp 1600 Q ±5% 1/2 W 01121 EB1625
SlR5,
Not Assigned
SlR6
SlR7
0684-1041 R: fxd comp 100 kQ ±10% 1/4 W
01121 CB1041
SlR8,
0687-2251
2 R: fxd comp 2.2 MQ ±10% 1/2 W
01121 CB2251
SlR9
SlR10 0687-8221
1
R: fxd comp 8200 Q ±10% 1/2 W
01121 EB6821
SlR11
0758-0006 1
R: fxd met ox 10 kQ ±5% 1/2 W
07115
C5
obd
SlR12
0758-0053 1
R: fxd met ox 100 kQ ±5% 1/2 W 07115 C5 obd
StR13
0761-0102 1
R: fxd met ox 560 kQ ,j,5% 1 W 07115 C32
SlR14 0761-0099
1
R: fxd met ox 430 kQ ±5% 1 W 75042
L32
SlRl5 0687-1801
1 R: fxd comp 18 Q ±10% 1/2 W
01121 EBl801
SlR16
0690-1811
1 R: fxd comp 180 Q ±10% 1 W
01121 GB1811
SlR17
0687-4721 1
R: fxd comp 4700 Q ±10% 1/2 W
01121 EB4721
SlR18 0687-1831
1 R: fxd comp 18 kQ ±10% 1/2 W
01121 EB1831
SlR19
0693 -1211 1
R: fxd C comp 120 Q ±10% 2 W
01121 HB1211
SlR20
0687-1001 1
R: fxd comp 10 Q ±10% 1/2 W 01121 EB1001
(SlR20 not present on instruments before
Serial No. 610-00376)
S2 thru S8
00740-61906 1
Switch assembly: VOLTAGE SET,
-hp-
SENSITIVITY and
INTER~AL
ALIGNMENT
(Includes all mounted parts)
6-14
01794-1