Motorola XTS 2500 Service Manual page 911

Index
RX RF input at antenna switch 7.1-21, 7.2-22, 7.3-21,
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.4-23, 7.5-23
RX serial audio port (SAP) . . .7.1-39, 7.2-40, 7.3-39,
7.4-42, . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.5-42
SPI B data . . . . 7.1-38, 7.2-39, 7.3-38, 7.4-41, 7.5-41
superfilter output . . . . .7.1-14, 7.2-14, 7.3-14, 7.4-14,
7.5-14
TRB . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.4-15, 7.5-15
TX audio 1 kHz tone . .7.1-35, 7.2-36, 7.3-35, 7.4-38,
7.5-38
TX LO . . . . . . . 7.1-12, 7.2-12, 7.3-12, 7.4-12, 7.5-12
TX signal at harmonic filter input . .7.1-7, 7.2-7, 7.3-7,
7.4-7, 7.5-7
TX signal at PA . . . . . 7.1-9, 7.2-9, 7.3-9, 7.4-9, 7.5-9
VCO output . . . 7.1-19, 7.2-19, 7.3-19, 7.4-20, 7.5-20
VCO RX LO . . . . . . . . . . . . . . . . . . . . . 7.4-21, 7.5-21
V
vocoder overview . . . . . 2.1-3, 2.2-3, 2.3-3, 2.4-3, 2.5-3
voltage measurement procedures . . . . . . . . . . . . . . 5-1
W
warning symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
waveforms, troubleshooting
16.8 MHz buffer input and output . . . . 7.1-36, 7.2-37,
7.3-36, 7.4-39, 7.5-39
1st LO control voltage .7.1-18, 7.2-18, 7.3-18, 7.4-19,
7.5-19
2nd LO control voltage 7.1-31, 7.2-32, 7.3-31, 7.4-34,
7.5-34
2nd LO VCO buffer output . . . .7.1-32, 7.2-33, 7.3-32,
7.4-35, 7.5-35
32.768 kHz clock outputs . . . .7.1-37, 7.2-38, 7.3-37,
7.4-40, 7.5-40
abacus analog 3V . . . .7.1-30, 7.2-31, 7.3-30, 7.4-33,
7.5-33
abacus digital 3V . . . . .7.1-34, 7.2-35, 7.3-34, 7.4-37,
7.5-37
analog 5V . . . 7.1-24, 7.1-33, 7.2-25, 7.2-34, 7.3-24,
7.3-33, . . . . . . . . . . 7.4-27, 7.4-36, 7.5-27, 7.5-36
antenna input . . . . . . 7.1-6, 7.2-6, 7.3-6, 7.4-6, 7.5-6
antenna switch bias . . .7.1-22, 7.2-23, 7.3-22, 7.4-24,
7.5-24
coupler RF feedback at PCIC .7.1-10, 7.2-10, 7.3-10,
7.4-10, 7.5-10
coupler RF out . . . . . . 7.1-8, 7.2-8, 7.3-8, 7.4-8, 7.5-8
crystal filter out 7.1-29, 7.2-30, 7.3-29, 7.4-32, 7.5-32
frequency out (16.8 MHz) . . . .7.1-20, 7.2-21, 7.3-20,
7.4-22, 7.5-22
higher level voltage multiplier .7.1-13, 7.2-13, 7.3-13,
7.4-13, 7.5-13
list . . . . . . . . . . . . . . . 7.1-1, 7.2-1, 7.3-1, 7.4-1, 7.5-1
low-noise amplifier output . . . .7.1-26, 7.2-27, 7.3-26,
7.4-29, 7.5-29
mixer out (IF) . . 7.1-28, 7.2-29, 7.3-28, 7.4-31, 7.5-31
mod in . . . . . . . 7.1-17, 7.2-17, 7.3-17, 7.4-18, 7.5-18
PA control voltage . . . . 7.1-11, 7.2-11, 7.3-11, 7.4-11,
7.5-11
prescalar input to FracN synthesizer . . 7.1-15, 7.2-15,
7.3-15, 7.4-16, 7.5-16
6816985H01-F
preselector 1 output . . 7.1-25, 7.2-26, 7.3-25, 7.4-28,
7.5-28
preselector 2 output . . 7.1-27, 7.2-28, 7.3-27, 7.4-30,
7.5-30
preselector tuning voltage . . . 7.1-23, 7.2-24, 7.3-23,
7.4-25, 7.5-25
reference crystal output . . . . . 7.1-16, 7.2-16, 7.3-16,
7.4-17, 7.5-17
RX RF input after antenna switch . . . . 7.4-26, 7.5-26
RX RF input at antenna switch 7.1-21, 7.2-22, 7.3-21,
7.4-23, 7.5-23
RX serial audio port (SAP) . . . 7.1-39, 7.2-40, 7.3-39,
7.4-42, 7.5-42
SPI B data . . . .7.1-38, 7.2-39, 7.3-38, 7.4-41, 7.5-41
superfilter output . . . . 7.1-14, 7.2-14, 7.3-14, 7.4-14,
7.5-14
TRB . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.4-15, 7.5-15
TX audio 1 kHz tone . 7.1-35, 7.2-36, 7.3-35, 7.4-38,
7.5-38
TX LO . . . . . . . .7.1-12, 7.2-12, 7.3-12, 7.4-12, 7.5-12
TX signal at harmonic filter input . 7.1-7, 7.2-7, 7.3-7,
7.4-7, 7.5-7
TX signal at PA . . . . .7.1-9, 7.2-9, 7.3-9, 7.4-9, 7.5-9
VCO output . . .7.1-19, 7.2-19, 7.3-19, 7.4-20, 7.5-20
VCO RX LO . . . . . . . . . . . . . . . . . . . . . 7.4-21, 7.5-21
Index-3
February 14, 2012