Motorola APX 7000 Detailed Service Manual page 641

Index
introduction 3-14
power amplifier transistor 3-18
power control 3-20
reverse power protection 3-20
transmitter power control
current control mode 3-21
PA offset, control voltage gain scaling 3-21
thermal cutback 3-21
voltage control mode 3-20
trident IC U702, FGU 3-23
troubleshooting
channel/zone select error 5-22
charts listing 5-1
DC supply failure 5-15
fgu 5-44
fgu,power 5-45
gps 5-46
handling precautions 4-1
keyload failure 5-29
main chart 5-2
power-up failure 5-3
power-up self-check
diagnostics and repair 4-5
errors 4-4
secure hardware failure 5-30
service tools 4-2
standard supply voltages 4-3
system clocks 4-3
VOCON
PA 5-47
Rx RF 5-32
Tx audio 5-25, 5-27
volume set error 5-21
troubleshooting waveforms
12MHz clock 6-5
16.8 MHz clock 6-6
24 MHz clock 6-7
32 kHz clock 6-3
4 MHz clock 6-4
audio ssi, bclk 6-11
audio ssi, red rx 6-9
audio ssi, red tx 6-8
audio ssi, sync 6-10
flash,adv 6-35
flash,cpld cs 6-36
flash,cs3 6-37, 6-40
flash,oe 6-38
flash,rdy 6-39
flash,we 6-41
gcai,gpio1 6-26
gcai,gpio3 6-27
gcai,gpio4 6-28
gcai,uart rx 6-31
gcai,uart tx 6-32
gcai,usb,d- 6-29
gcai,usb,d+ 6-30
i2c,sca 6-22
i2c,sca 5v 6-23
i2c,sda 6-24
list 6-1
one wire 6-25
received baseband signals 6-51
removable memory,mmc2,clk 6-50
removable memory,mmc2,cmd 6-42
removable memory,mmc2,cmd dir 6-47
removable memory,mmc2,d0 6-43
removable memory,mmc2,d0 dir 6-48
removable memory,mmc2,d1 6-44
removable memory,mmc2,d1 dir 6-49
removable memory,mmc2,d2 6-45
removable memory,mmc2,d3 6-46
rx clk 6-12
rx da 6-13
rx fsync 6-14
sdram,clk 6-33
sdram,clkx 6-34
spi clk 6-18
spi clk, inverse 6-19
spi cs 6-20
spi mosi 6-21
transmit baseband interface port (BBP) 6-52, 6-53,
6-54
tx ssi,clk 6-15
tx ssi,da 6-16
tx ssi,fsync 6-15
U
UHF1/700–800
transceiver
schematics 8-43
UHF1/UHF2
transceiver
schematics 8-157
UHF1/VHF
transceiver
schematics 8-105
UHF2/700–800
transceiver
schematics 8-183
UHF2/VHF
transceiver
schematics 8-223
V
VHF 3-1
VHF/700–800
transceiver
schematics 8-4
VOCON board
board overlays
NTN9564B 8-293, 8-295
parts list
MNCN6200A 8-297, 8-306
MNCN6202A 8-315, 8-324
power distribution 2-3
schematics 8-271
VOCON connector J1001 3-7
voltage
control mode, transmitter power control 3-20
regulators, transceiver 2-3
voltage multiplier and superfilter, FGU 3-23
voltages, standard supply 4-3
W
warning symbol meaning 1-2
Index-3