Motorola EM200 Serie Manual De Servicio página 330

Esquemas eléctricos del radio VHF2 25-45 W banda 2, tarjeta de circuito impreso 8486487Z04
(SOURCE)
FILT_SW_B+
FILT_SW_B+
COMP_B+
PA_BIAS
PWR_SET
V_CTRL_DRIVER
DC & AUDIO
16.8MHz
MOD_OUT
DEMOD
BW_SEL
M9
NUT
B+ 1 P2-1
2 P2-2
TEST_POINT
TP 2
DC Connector
TEST_POINT
TP 3
TEST_POINT TEST_POINT TEST_POINT
M103 M10 4
Circuito principal 25-45 W VHF2 (146-174 MHz) (hoja 2 de 2)
TX_EN
RX_EN
COMP_B+
PWR_SET
V_CTRL_DRIVER
PA_BIAS
TX_INJ
RX
FILT_SW_B+
9V
FILT_SW_B+
DET_VFWD
INTEGRATOR INTEGRATOR
DET_VRVS
DET_VRVS
DET-VFWD
5V 3V
9R
BOARD HOLES
TEST_POINT
5V 3V 9R TX_INJ
M1
SPI_CLK
SPI_MOSI
TEST_POINT
M2
SYNTH_CS
SYNTH_LOCK
TEST_POIN T
M3
16.8MHz
MOD_I N
RX_IN J
TEST_POINT
M5
(SOURCE)
9R 5V 9V VC C
9R RX_IN J RX
5V 9V 3V
RSSI
RX_EN
TEST_POINT
M8
DEMOD
BW_SEL
LOC_DIST
PEDS FOR GND CONTACTS
HOLES FOR PA SHIELD
TEST_POINT TEST_POINT
M7
M101 M10 2
4-7