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Document History
The following major changes have been implemented in this manual since the previous edition:
Edition Description Date
6881088C46-F The Theory of Operation section has been divided into the
following six sections:
- Distribution
- Keypad
- UHF Band 1
- UHF Band 2
- VHF
- Lowband, 800 MHz, PassPort, and 900 MHz
Troubleshooting Flow Charts in the Maintenance section have
updated.
Added 8480587Z05, 8480450Z14, 8486458Z02, 8486458Z03
and 8415234H01 to UHF Band 1
Added 8485677Z03, 8486686Z01, 8486686Z02 and
8415235H01 to UHF Band 2
Added 8486062B16, 8486062B17, 8486101B11,
8486473Z03, 8486473Z04 and 8415112H01 to VHF
July, 2005
6881088C46-G Changed address.
Added latest information on Chapter 1.
Aug. 2006
6881088C46-H
Updated the following chapters to include information for PCB
No. 8471827L03 for 800 MHz and PCB No. 8471203M01 for
900 MHz.
Chapter 7: Low Band, 800 MHz, PassPort & 900 MHz Theory
of Operation
Chapter 8: Maintenance
Chapter 9: Schematic Diagrams, Overlays and Parts Lists
May 2007
6881088C46-J
Updated the following chapter to include information for PCB
Nos. 8415234H02, 8415234H05, 8415234H08 for UHF Band
1, and PCB No. 8415235H05 for UHF Band 2.
Chapter 9: Schematic Diagrams, Overlays and Parts Lists
July 2007
6881088C46-K Added Shematics Diagrams, Overlays and Parts Lists for
UHF B1 – PCB 841234H01, UHF B2 – PCB 8415235H01 and
VHF – PCB 8415112H01
Nov 2007