4
Repair Guide
124
Keysight 8990B Service Guide
9
To remove the check source assembly, refer to
10
Unscrew the five screws (0515-1940) on the filter board (08990-66003) with
the 5 in-lbs, T8 Torx screwdriver to remove it from the top of DAP board as
shown in
Table 4-12
Cable connection from the grommet of the sheet metal
Label
Part number
Description
To
A
08990-61607
BNC cable (10 MHz Out scope to filter board)
J10
B
08990-61618
BNC cable (Trig Out scope to filter board)
J41
C
08990-61619
BNC cable (Trig In scope to filter board)
P131
D
08990-61609
10 MHz Out PM
J12
E
08990-61611
BNC cable Trig Out PM
J39
F
08990-61620
BNC cable Trig In PM
P129
NOTE
can be used as a reference for reassembly.
Содержание 8990B
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