Motorola ASTRO XTS 5000 Detailed Service Manual

6881094C31-E November 16, 2006
Troubleshooting Charts: VOCON RX Audio (for kit NNTN5567) 5-29
5.13 VOCON RX Audio (for kit NNTN5567)—Page 1
Check speaker
integrity
Bad SINAD
Bad 20 dB
Quieting
No Recovered
Audio
No
Speaker OK?
Yes
Replace Speaker
Connect an
RLN4460 test box
(or equivalent) to
the radio side
connector via a
programming
cable
Inject Standard
Input into antenna
connector
A standard input is an RF
signal at -47 dBm with a 1
kHz tone modulated at 3
kHz for a 25 kHz channel
Audio
present?
1
No
THD < 2 %
No
Check contacts at
M102
Yes
1
All signals
present?
Yes
Replace U501
Replace U401
Yes
No
Check RX SAP
port signal
integrity as per
chapter 6
Check distortion
of signal at R597
and R598
Replace U501

Motorola ASTRO XTS 5000 Specifications

General

Brand	Motorola
Model	ASTRO XTS 5000
Category	Portable Radio
Language	English