Table 2-6 . Factory-Selected Lc Filter Capacitors; Table 2-7 . Lc Factory-Selected Capacitor Selection - HP 8560E Service Manual

Spectrum analyzers
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Adjustment Procedures
3. IF Bandpass Adjustment
8. Adjust A5L301 LC CTR 2 by repeating steps 4 through 6.
9. Move the positive DVM test lead to A5TP2 (this is a resistor-lead
10.Adjust A5L700 LC CTR 3 by repeating steps 4 through 6.
11.Move the positive DVM test lead to A5TP1 (this is a resistor-lead
12.Adjust A5L702 LC CTR 4 using the procedure in steps 4 through 6.
Table 2-6
Factory-Selected LC Filter Capacitors
LC CTR Adjustment
A5L300 LC CTR 1
A5L301 LC CTR 2
A5L700 LC CTR 3
A5L702 LC CTR 4
Table 2-7
LC Factory-Selected Capacitor Selection
DVM
Reading
(V)
0 to 1.5
1.5 to 2.5 18
2.5 to 3.5 15
3.5 to 4.5 10
4.5 to 5.5 8.2
5.5 to 6.5 no
6.5 to 7.5 no
7.5 to 8.5 *
8.5 to 9.5 *
9.5 to 10
* Indicates a condition that should not exist; suspect broken hardware.
72
type of test point).
type of test point).
Replace
Replace
6.8 with: 8.2 with: 10 with:
*
*
18
15
12
10
no
change
change
no
change
change
6.8
*
*
*
Fixed Factory Select
Capacitor
A5C326
A5C327
A5C717
A5C718
Currently Loaded Capacitor Value (pF)
Replace
Replace
12 with:
*
*
*
*
18
18
15
15
12
15
no
no
change
change
no
no
change
change
8.2
10
6.8
8.2
6.8
8.2
Replace
Replace
Replace
15 with:
18 with:
20 with:
*
*
*
*
*
*
*
*
*
18
*
*
18
*
*
no
no
no
change
change
change
no
no
no
change
change
change
12
15
18
12
15
18
10
12
15
Chapter 2

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