HP 3400A Operating And Service Manual page 62

Appendix
C
Model 3400A
Manual Backdating Changes Model 3400A Page
6
Table C-l. Replaceable Parts
(Cont'd)
REFERENCE
DESIGNATION
-hp-
PART
NO.
DESCRIPTION
R620
0683-1245
120
kfi
±5%
1/4
W
R621
0727-0013
24.
3
ft
±1%
1/2
W
R622
0683-3925
3900ft
±5%
1/4
W
R623
0683-3945
390
kfi
±5%
1/4
W
R624 0683-6835
68
kfi
±5%
1/4
W
R625
0758-0076
68
kft
±5%
1/4
W
(met
flm)
R626 thru
Not assigned
R629
R630* 0683-1065
10
Mfi ±5%
1/4
W
R631 and
0683-3335
33
kO ±5%
1/4
W
R632
R633
0683-1835
18
kfi
±5%
1/4
W
R634 0683-5605
56fi
±5%
1/4
W
R635
0683-2745
270
kfi
±5%
1/4
W
CHANGE
#8
Table
7-1, Replaceable Parts:
Change Part No.
for
transformer Tl
to
9100-0344.
Note:
Color
of
leads given on
schematic does
not apply to
9100-0344 transformer.
CHANGE
#9 Figure 6-4,
Power
Supply Schematic, and Table
7-1, Replaceable Parts:
Change
value and Part No.
of following
components:
R701
to
56
kfi,
-hp- Part
No.
0687-5631
R702
to 56
kO, -hp- Part
No.
0687-5631
R709
to
330
J2,
-hp- Part No. 0683-3315
C703
to
0.
022
iiF,
-hp- Part No. 0170-0024
CHANGE
#10
Page 6-9/6-10 and Table
7-1:
Change
following
components:
R718
to
75kJ2, -hp-
Part No. 0683-7535
R730
to
11
kJ2,
-hp- Part
No.
0683-1135
R731
to
6.2kfi, -hp-
Part No. 0683-6225
CHANGE
#11
Page
6-9.
C3A
and
C3B
were
.
01
/iF
Page
7-2.
Change rear
panel Part No. to
03400-00202
Page
7-3.
Preferred replacement
for
C3
is
shown.
Page
7-5.
Change
J3 to
Part No. 1251-0148
Page
7-8.
Change
Wl
to
Part No.
8120-0078
CHANGE
#12 Page
6-7.
Some
instruments have
a
separate green wire
from
+ 77
V
to
DS502
(on
A5).
Page
6-9.
Substitute the
below
parts locator
for
A7.
Page
7-3.
"
Change A7
to
-hp- Part
No.
03400-66507.
CHANGE
#13
Page
6-9.
Substitute the
below parts locator
for
A7.
C-6