Tx Sat Deviation Test; Tx St Deviation Test; Tx Dsat Deviation Test; Adjustment Sequence - Motorola StarTAC 3000 Service Manual

05# Turn on transmit carrier
356# Select External TX Audio path
10# Unmute TX Audio path
58# Turn on compandor

TX SAT Deviation Test

Communications Analyzer Setup:
HP 8920 Screen: TX
Pass Specifications: 1.8 kHz - 2.2 kHz
Test Mode Commands:
11333# Load synthesizer to channel 333
122# Set power level to power step 2
05# Turn on transmit carrier
251# Enable 6000 Hz SAT tone
View AC Freq for the reading. The tran-
sponded peak SAT FM deviation should be
2 kHz + 200 Hz.

TX ST Deviation Test

Communications Analyzer Setup:
HP 8920 Screen: TX
Pass Specifications: 9.9 kHz - 10.001 kHz
Test Mode Commands:
11333# Load synthesizer to channel 333
Set power level to power step 2
122#
05# Turn on transmit carrier
Enable signaling tone
14#
View AC Freq for the reading. The peak ST
FM deviation should be 8 kHz + 800 Hz.
6/29/98
Testing and Adjustments

TX DSAT Deviation Test

Communications Analyzer Setup:
HP 8920 Screen: TX
Pass Specifications: .630 kHz -.770 kHz
Test Mode Commands:
571# Enable NAMPS signalling
11333# Load synthesizer to channel 333.
NCHAN
displayed.
1 To select center frequency
(0-Low, 1-Center, 2-High)
122# Set power level to power step 2
05# Turn on transmit carrier
253# Enable DSAT code 25AD4D
View FM Deviation for the reading.

Adjustment Sequence

To properly check and adjust the phasing
parameters using
perform the
sequence.
IMPORTANT
Only those memory locations referred to
in the following procedure should be
programmed. Data in other memory
locations which are "Stepped through"
during the procedure must not be
altered.
25
prompt will
keypad commands,
following procedures
be
in