8751A-11
SUPERSEDES: None
DATE: 15 August 1991
8751A Network Analyzer
Serial Numbers: 3123J00388/3123J00450
(Firmware Revision 3.00 or 3.01 Only)
Duplicate Service Notes: None
Modification to allow the 8751A to control solid-state switch version
85046A/Bs
To Be Performed By: Agilent-qualified personnel
Situation:
When solid-state switch version 85046A/B S-Parameter Test Sets are used with the 8751A
Network Analyzer as the network measurement system, the 8751A can’t control the solidstate switch version 85046A/B S-Paramteter Test Set functions such as PORT selection
and ATTENUATOR selection.
1 of 4
AUTHOR: TM
ENTITY: 3355
© 1991 AGILENT TECHNOLOGIES
PRINTED IN U.S.A.
SERVICE NOTE
ADMINISTRATIVE INFORMATION
MODIFICATION RECOMMENDED
SERVICE NOTE CLASSIFICATION:
ACTION
CATEGORY:
LOCATION
CATEGORY:
CUSTOMER INSTALLABLE
ON-SITE
SERVICE CENTER
AGILENT RESPONSIBLE UNTIL: August 1993
ADDITIONAL INFORMATION:
IMMEDIATELY
ON SPECIFIED FAILURE
AGREEABLE TIME
AVAILABILITY:
PRODUCT’S SUPPORT LIFE
RETURN
SCRAP
SEE TEXT
SERVICE
INVENTORY:
RETURN
SCRAP
SEE TEXT
USED
PARTS:
STANDARDS:
Labor 1.5 Hour
Continued
Page 2 Service Note 8751A-11
Parts Required:
If the 8751A is NOT equipped with Option 002:
P/N Qty. Description
08751-86601 1 ROM Set (Rev. 3.02)
If the 8751A is equipped with Option 002:
P/N Qty. Description
08751-86302 1 ROM Set (Rev. 3.02)
Solution/Action:
Perform the following steps to solve the above problem.
1. Remove the top cover and shield plate.
2. Remove the A1 board.
3. Remove the programmed ROMs from the A1 board.
4. Install the new ROMs into the ROM sockets as follows:
If the 8751A is NOT equipped with Option 002:
Reference
Designator Part Number Description
0 (A1U43) 08751-85601 ROM (Rev. 3.02)
1 (A1U44) 08751-85602 ROM (Rev. 3.02)
2 (A1U45) 08751-85603 ROM (Rev. 3.02)
3 (A1U46) 08751-85604 ROM (Rev. 3.02)
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