Advertisement
Installation Procedure for the Upgrade
Table 1
Bottom RF Cables, 2-Port, Option 422
Reference
Part Number
a
Type
Designator
W11
SR
N5245-20036
W13
SR
N5245-20036
W15
SR
N5245-20036
W17
SR
N5245-20036
W51
SR
N5245-20101
W55
SR
N5245-20102
W56
SR
N5245-20103
W57
SR
N5245-20012
W107
SR
N5245-20068
W108
SR
N5245-20094
W109
SR
N5245-20093
W113
SR
N5245-20069
W114
SR
N5245-20070
W121
SR
N5245-20071
W122
SR
N5245-20072
a. SR = semi-rigid coaxial cable.
4. Remove and discard the following gray flexible cables:
5. Leave the remaining gray flexible cables, the wire harnesses, and the
Step 8. Remove the A27 Mixer Brick Assembly
Remove the A27 mixer brick assembly from the PNA. For instructions, click the
Chapter 7 bookmark, "Removing and Replacing the A27 and A28 Mixer Bricks"
in the PDF Service Guide
16
Qty
Description
1
A7 port 1 doubler to W105
1
A12 port 3 doubler to W14
1
A13 port 4 doubler to W16
1
A8 port 2 doubler to W18
1
A15 13.5 GHz (LO) synthesizer board J1207 to A25 HMA26.5
1
A7 port 1 doubler to W56
1
W55 to rear-panel EXT TSET DRIVE RF OUT (J6)
1
A27 mixer brick to EXT TSET DRIVE LO OUT (J5)
1
A50 port 1source bypass switch to rear panel PORT 1 SW SRC OUT
(J11)
1
Rear-panel PORT 1 COMB THRU IN (J10) to A54 combiner
1
Rear-panel PORT 1 COMB ARM IN (J9) to A54 combiner
1
A51 SRC2 OUT1 source bypass switch to rear panel PORT 3 SW SRC
OUT (J8)
1
Rear-panel PORT 3 SW TSET IN (J7) to A51 SRC2 OUT1 source bypass
switch
1
A53 port 2 source bypass switch to rear panel PORT 2 SW SRC OUT
(J2)
1
A53 port 2 source bypass switch to PORT 2 TSET IN (J1)
— W62 (N5242-60025) A27 mixer brick (R1) to A24 IF multiplexer
(P601)
— W63 (N5242-60026) A27 mixer brick (R2) to A24 IF multiplexer
(P801)
ribbon cables connected where possible. Any that are removed should be
labeled for reconnection later.
1
.
Installation Note N5245-90121
Advertisement
