Index
Index-3
6871620L01-C
May 28, 2008
power
components, VOCON section 3-18
conditioning components, transceiver 3-4
See PCIC (power control IC)
U104
power distribution
block diagram
power-up self-check
power-up/power-down sequence 3-28
pre-selectorand post-selector filters, receiver front
R
radio
power-up/power-down sequence 3-28
radio ce connector
interface circuitry, VOCON section 3-22
radio ce connector, MAKO IC 3-21
receive audio path, VOCON section 3-27
receiver
back end
front end
IF filter (crystal filter) 3-5
pre-selector and post-selector filters 3-5
reference oscillator Y200, FGU 3-11
replacement parts, ordering A-1
S
schematics
transceiver (RF) board 8-5, 9-5
transceiver board list 8-1, 9-1
second LO (local oscillator) 3-6
serial audio CODEC port (SAP) 3-16
service tools, recommended 4-2
signal tracing, troubleshooting 4-3
SSI clock and frame sync generator, MAKO IC 3-22
static RAM (SRAM) IC U1409 3-17
symbols
system clocks
T
temperature cut back, PCIC 3-10
terms and definitions Glossary-1
tools, recommended service 4-2
transceiver
power distribution diagram 2-2
transmit audio path, VOCON section 3-26
transmitter
PCIC (power-control IC) U104 3-9
power amplifier transistor 3-8
troubleshooting
power-up self-check
VOCON
Summary of Contents for ASTRO XTSTM 4000
Page 1: ...COLOR CHORDS 7 ASTRO XTSTM 4000 Portable Radio Detailed Service Manual ...
Page 2: ......
Page 16: ...May 28 2008 6871620L01 C xiv Commercial Warranty Notes ...
Page 22: ...May 28 2008 6871620L01 C 1 6 Introduction Notes ...
Page 26: ...May 28 2008 6871620L01 C 2 4 Radio Power Notes ...
Page 56: ...May 28 2008 6871620L01 C 3 30 Theory of Operation Notes ...
Page 100: ...May 28 2008 6871620L01 C 6 8 Troubleshooting Waveforms Notes ...
Page 194: ...May 28 2008 6871620L01 C B 2 Motorola Service Centers Notes ...
Page 204: ...May 28 2008 6871620L01 C Glossary 10 Glossary Notes ...
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