Installation Note N5247-90116 21
Description of the Upgrade
Installation Procedure for the Upgrade
Step 8. Install the A57 Noise Switch (Port 2) to Bracket and Attach
Cables to A59 Noise Downconverter (Receiver) Assembly
Refer to
for this step of the procedure. New parts are listed in Table 1
on page 7.
1.
Install ribbon cable (Item
①
- N5245-60018) to J1 on the noise assembly
as shown in
. Later the other end plugs into the A23 test set
motherboard.
2.
Connect coax cable (Item
➁
- N5245-60019) to J2 on the noise assembly
as shown in
. Later the other end connects to the noise board.
3.
Connect coax cable (Item
③
– N5245-60020) to ’J3 IF out’ on the noise
assembly as shown in
. Later the other end connects to the noise
board.
Figure 5
Attach Cables to Noise Receiver Assembly (N5245-60018, N5245-60019, &
N5245-60020)
A23
