Service manual

Service Manual SD170E Series
Page 4 of 44
Contents
Amendment Record Sheet............................................................................................................ 2
Warnings ..................................................................................................................................... 3
Contents ...................................................................................................................................... 4
Introduction ................................................................................................................................. 5
Pre-Install check, Accessories & Options ...................................................................................... 6
Pre-Installation ........................................................................... Error! Bookmark not defined.
Accessories ............................................................................... Error! Bookmark not defined.
Options .................................................................................................................................... 6
Product Introduction .................................................................................................................... 7
Installation ................................................................................................................................... 8
Installation ............................................................................................................................... 8
External Connections ............................................................................................................... 8
General Specification.................................................................................................................... 9
Transmitter Specification ............................................................................................................ 10
Receiver Specification ................................................................................................................ 11
Reference Crystal ....................................................................................................................... 12
Enviromental.............................................................................................................................. 12
Dimensions ................................................................................................................................ 12
Features .................................................................................................................................... 13
Access to digital and RF boards .................................................................................................. 16
Alignment .................................................................................................................................. 19
Alignment points ........................................................................................................................ 23
Flow Diagrams ........................................................................................................................... 24
CTCSS ....................................................................................................................................... 27
Modem Options.......................................................................................................................... 28
Interfacing ................................................................................................................................. 29
External connections .............................................................................................................. 29
DB-15 PIN descriptions with input/output level ........................................................................ 29
Channel Selection ...................................................................................................................... 31
SD174E Layouts Control Board ................................................................................................... 34
SD174E Layouts RF Board .......................................................................................................... 39