DM588 Service Manual
Appendix 1 Abbreviations
AMP
Amplify, amplifier
ANT
Antenna
APC
Aautomatic power control
BPF
Band pass filter
CTCSS
Continuous tone control squelch system
DCS
Digital code squelch
DEMOD
Demodulation
E2PROM Electrically erasable programmable read only memory
HPF
High pass filter
IDC
Instantaneous deviation control
IF
Intermediate frequency
LED
Light-emitting diode
LNA
Low noise amplifier
LPF
Low pass filter
MCU
Mmicro control unit
MIC
Microphone
MOD
Modulation
MONI
Monitor
PLL
Phase lock loop
PTT
Push-to-talk
RX
Receiver
SPK
Speaker
TCXO
Temperature control X’ oscillator
TX
Transmitter
UL
Un-lock
VCO
Voltage control oscillator
40
Содержание DM588
Страница 142: ...DM588 Service Manual Figure 4 Top Layer Layout Drawing of Main Board B Board 139 ...
Страница 143: ...DM588 Service Manual Figure 5 Bottom Layer Layout Drawing of Main Board B Board 140 ...
Страница 144: ...DM588 Service Manual Figure 6 Top Layer Layout Drawing of Main Board D Board 141 ...
Страница 145: ...DM588 Service Manual Figure 7 Bottom Layer Layout Drawing of Main Board D Board 142 ...
Страница 147: ...DM588 Service Manual Figure 9 Top Layer Layout Drawing of LCD Board 144 ...
Страница 148: ...DM588 Service Manual Figure 10 Bottom Layer Layout Drawing of LCD Board 145 ...
Страница 150: ...DM588 Service Manual Figure 12 Top Layer Layout Drawing of Key Board 147 ...
Страница 151: ...DM588 Service Manual Figure 13 Bottom Layer Layout Drawing of Key Board 148 ...