Motorola APX 5000 Service Manual page 435

Index
serial EEPROM 3-7
VOCON connector J1001 3-5
voltage regulators 2-3
transmitter
antenna switch 3-14
directional coupler U101 3-13
driver amplifier U102 3-13
harmonic filter 3-14
introduction 3-10
power amplifier transistor 3-13
power control 3-14
reverse power protection 3-14
transmitter power control
current control mode 3-16
PA offset, control voltage gain scaling 3-16
thermal cutback 3-15
voltage control mode 3-15
trident IC U702, FGU 3-18
troubleshooting
bluetooth 5-49
bluetooth,CW on spectrum analyzer 6-71
channel/zone select error 5-25
charts listing 5-1
DC supply failure 5-15
fgu 5-46
fgu,power 5-47
gps 5-48
handling precautions 4-1
keyload failure 5-32
main chart 5-3
power-up failure 5-4
power-up self-check
diagnostics and repair 4-5
errors 4-4
secure hardware failure 5-33
service tools 4-2
standard supply voltages 4-3
system clocks 4-3
VOCON
PA 5-55
Rx audio 5-28
Rx RF 5-35
troubleshooting waveforms
12 MHz 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
bluetooth,CW on spectrum analyzer 6-71
bluetooth,startup timing difference 6-55, 6-56, 6-57,
6-58, 6-59, 6-60, 6-68, 6-69, 6-70
bluetooth,startup timing sequence 6-61, 6-62, 6-63,
6-64, 6-65, 6-66, 6-67
eMMC, data transfer, troubleshooting
eMMC, data transfer 6-46
eMMC,clock, troubleshooting
eMMC,clock 6-47
eMMC,cmd
correctly measured 6-44
incorrectly measured 6-45
eMMC,failure to Initialize 6-41
eMMC,mmc_clk, 6-42, 6-43
eMMC,power-on 6-39
eMMC,successful initialization 6-40
expansion board, usb D- Vmax and packet timing with
statistics 6-73
expansion board, usb D+ Vmax and packet timing with
statistics 6-72
expansion board,32 kHz clock Vmax with
statistics 6-75
expansion board,LF coil with Tx and Rx 6-76
expansion board,VSW_3.6 voltage statistics 6-74
flash,adv 6-34
flash,cs3 6-35
flash,oe 6-36
flash,rdy 6-37
flash,we 6-38
gcai,gpio0 6-26
gcai,gpio4 6-27
gcai,uart rx 6-30
gcai,uart tx 6-31
gcai,usb,d- 6-28
gcai,usb,d+ 6-29
i2c,sca 6-22
i2c,sca 5v 6-23
i2c,sda 6-24
LF CW on spectrum analyzer 6-77
list 6-1
one wire 6-25
received baseband signals 6-48
rx clk 6-12
rx da 6-13
rx fsync 6-14
sdram,clk 6-32
sdram,clkx 6-33
spi clk 6-18
spi clk, inverse 6-19
spi cs 6-20
spi mosi 6-21
transmit baseband interface port (BBP) 6-49, 6-50,
6-51
tx ssi,clk 6-15
tx ssi,da 6-16
tx ssi,fsync 6-15
U
UHF1
transceiver
schematics 8-25
UHF2
transceiver
schematics 8-61
V
VHF
transceiver
schematics 8-3
VOCON board
power distribution 2-3
VOCON connector J1001 3-5
voltage
control mode, transmitter power control 3-15
Index-3