Motorola Commercial CM Series - Page 47

UHF 1-25W PCB 8486684Z01 (Rev.O) / Schematics 4-7
MOD_OUT
16.8MHz
SPI_CLK
SPI_MOSI
MIC_AUDIO_CH
HANDSET_RX_AUDIO_CH
VS_AUDIO_SEL
RESET
uP_CLK
F1200
HSIO
LSIO
SQ_DET
CH_ACT
ASFIC_CS
EXTERNAL_MIC_AUDIO_ACCESS_CONN
B+
3V
BW_SEL
D3_3V
5V
PWR_SET
DEMOD
SPKR+
SPKR-
5V_CH
VS_MIC
RX_AUDIO_RETURN_OPT_BRD
POST_LIMITER_FLAT_TX_AUDIO_RETURN_OPT_BRD
TX_AUDIO_RETURN_OPT_BRD
UNMUTED_RX_AUDIO_SEND_OPT_BRD
PA_BIAS
HOLES FOR PA SHIELD
PEDS FOR GND CONTACTS
(SOURCE)
(SOURCE)
DC & AUDIO
CONTACTS FOR PA CLIP
DC Connector
(SOURCE)
(SOURCE) (SOURCE) (SOURCE)
SHEET 4 OF 8
73D02968C74-O
BOARD HOLES
DETECTOR_AUDIO_SEND_OPT_BRD
TX_AUDIO_SEND_OPT_BRD
VSTBY
VOL_INDIRECT
BATT_SENSE
EMERGENCY_ACCES_CONN
VOX
EMERGENCY_SENSE
COMP_B+
FILT_SW_B+
9V
ONOFF_SENSE
IGNITION
RX_AUDIO_OUTPUT_ACCESS_CONN
FLAT_TX_AUDIO_INPUT_ACCESS_CONN
PLTD_HOLE1_4X1_8
M102
1
GND
TEST_POINT
TX_INJ
3V5V
9R
9V
BW_SEL
DEMOD
LOC_DIST
RSSI
RX
RX_EN
RX_INJ
9R
1
M111
TO SHEET 1
DET_VFWD
INTEGRATOR
COMP_B+
FILT_SW_B+
9V
PWR_SET
PA_BIAS
DET_VFWD
FILT_SW_B+
INTEGRATOR
PLTD_HOLE1_4X1_8
M101
FILT_SW_B+
9V
1
GND
SYNTH_CS
SYNTH_LOCK
3V5V
16.8MHz
3V5V
9R
MOD_IN
RX_INJ
SPI_CLK
SPI_MOSI
PLTD_HOLE3_5x7_0
M1
1
GND
PLTD_HOLE3_5x7_0
M3
M107
1
PLTD_HOLE3_5x7_0_TRIMMED
M8
1
GND
M108
1 1
M109
1
M110
1
P2-2
2
GND
1
M5
PLTD_HOLE3_5x7_0_TRIMMED
GND
1
P2-1
M113
1
M9
PLTD_NUT
1
M114
1
9V5V9R
M112 M106
1
5V
D3_3V3V
VCC
M105
1
GND
1
PLTD_HOLE3_5x7_0_TRIMMED
M4
1
GND
PLTD_HOLE3_5x6_0_TRIMMED
M2
1
GND
M7
PLTD_HOLE3_5x7_0_TRIMMED
M104
PLTD_HOLE1_4X1_8
GND
1
TP3
1
TP2
TEST_POINT
1
1
GND
M103
PLTD_HOLE1_4X1_8
GND
1
RX
TX_EN
TX_INJ
RX_EN
FGU
POWER CONTROL
RX
UHF1 (403-440MHz) Main Circuit (Sht 2 of 2)