502 Chapter12
Replaceable Parts
Standard-Value Replacement Components
Table 12-5 Assembly-Level Replaceable Parts
Reference
Designator
Description CD Part
Number
A1A1 Keyboard
All 8590 E-Series and L-Series spectrum analyzers,
8591C cable TV analyzers, and 8594Q QAM analyzers
4 08590-60201
A1A2 Rotary Pulse Generator
All 8590 E-Series and L-Series spectrum analyzers,
8591C cable TV analyzers, and 8594Q QAM analyzers
Old Style
New Style
5
0960-0745
1990-1525
A1R1 Volume-Intensity Dual Pot Assembly
All 8590 E-Series spectrum analyzers, 8591C cable TV
analyzers, and 8594Q QAM analyzers
All 8590 L-Series spectrum analyzers
1 08590-60133
08590-60041
A2 Display
All 8590 E-Series and L-Series spectrum analyzers,
8591C cable TV analyzers, and 8594Q QAM analyzers
7 08590-60377
A3 Input Attenuator
8590L and 8591E
8591C
2 0955-0453
2 0955-0700
Front End (Includes A3A1 through A3A15)
8592L, 8593E, 8594E, 8594L, 8594Q,
8595E, and 8596E
See A3A5
A3A1 Comb Generator
8592L, 8593E, and 8596E
9 08592-60098
A3A1A1 Comb Generator Board (part of A3A1)
8592L, 8593E, and 8596E
4 08569-60026
A3A2 Microwave Switch
8592L and 8593E
8592L and 8593E, (Option 026 and Option 027)
3 33314-60011
4 33314-60012
A3A3 Low-Pass Filter
8592L, 8593E, 8594E, 8594L, 8594Q,
8595E, and 8596E
3 0955-0420
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