Service manual

A. Introduction to This Section
This section describes both receiver and transmit-
ter radio alignment procedures.
B. General
An IBM personal computer (PC) and radio service
software (RSS) are required to align the radio. Refer
to the applicable RSS manual for installation and
setup procedures for the software. To perform the
alignment procedures, the radio must be connected to
the PC, radio interface box (RIB), and a universal test
set as shown in Figure 1.
11
SECTION V. RADIO ALIGNMENT PROCEDURE
BNC
RIB
RLN-4008B
RIB POWER SUPPLY
01-80357A57 (120V)
COMPUTER INTERFACE
CABLE
30-80369B71
30-80369B72 (IBM "AT" ONLY)
DATA
BUSY
GND
COMPUTER
AUDIO GENERATOR
SINAD METER
AC VOLTMETER
TX
RX
30 dB PAD
30 dB PAD
RF GENERATOR
SYSTEM ANALYZER
OR COUNTER
WATTMETER
BATTERY
ELIMINATOR
RTL-4224A
TRANSMIT
RECEIVE
TEST SET
RTX-4005B
RADIO
PROGRAM/TEST CABLE
RKN-4046A
AUDIO IN
SET TO APPROX. 450mV FOR Tx
MEASURE 80mV FOR Tx
SMA-BNC
58-80348B33
Figure 1. Radio Alignment Test Setup
MAEPF-23413-O