Motorola CM140 Service Information page 47

VHF1 1-25W PCB 8486672Z01 / Schematics
(SOURCE)
3V
SPI_MOSI 3V
SPI_CLK
ASFIC_CS
CH_ACT
SQ_DET
LSIO
HSIO
F1200
uP_CLK
VS_AUDIO_SEL
RESET
VS_MIC
TX_AUDIO_SEND_OPT_BRD
TX_AUDIO_RETURN_OPT_BRD
POST_LIMITER_FLAT_TX_AUDIO_RETURN_OPT_BRD
DETECTOR_AUDIO_SEND_OPT_BRD
UNMUTED_RX_AUDIO_SEND_OPT_BRD
RX_AUDIO_RETURN_OPT_BRD
HANDSET_RX_AUDIO_CH
MIC_AUDIO_CH
5V_CH
VOL_INDIRECT
VSTBY
ONOFF_SENSE
EMERGENCY_SENSE
VOX
BATT_SENSE
SPKR-
SPKR+
EXTERNAL_MIC_AUDIO_ACCESS_CONN
IGNITION
FLAT_TX_AUDIO_INPUT_ACCESS_CONN
RX_AUDIO_OUTPUT_ACCESS_CONN
EMERGENCY_ACCES_CONN
FILT_SW_B+
(SOURCE)
9V
(SOURCE) (SOURCE)
(SOURCE)
5V
D3_3V
5V 9V FILT_SW_B+
D3_3V
DC & AUDIO
COMP_B+
PA_BIAS
PWR_SET
PA_CURRENT
5V
5V
SPI_CLK
SPI_MOSI
SYNTH_CS
SYNTH_LOCK
16.8MHz
16.8MHz
(SOURCE)
MOD_OUT
MOD_IN
9R
9R
RSSI
RX_EN
DEMOD
DEMOD
BW_SEL BW_SEL
LOC_DIST
CONTACTS FOR PA CLIP
B+
M9
PLTD_NUT
P2-1
1
P2-2
TP2
1 2
TEST_POINT
TP3
1
DC Connector
TEST_POINT
3V 9R
DET_VFWD FILT_SW_B+
DET_VRVS INTEGRATOR
3V
9R TX_INJ
BOARD HOLES
M1 M2
PLTD_HOLE3_5x7_0 PLTD_HOLE3_5x6_0_TRIMMED
M3 M4
PLTD_HOLE3_5x7_0 PLTD_HOLE3_5x7_0_TRIMMED
RX_INJ
5V 9V VCC
5V 9V 3V RX_INJ RX
M8
PLTD_HOLE3_5x7_0_TRIMMED
M101
PEDS FOR GND CONTACTS
PLTD_HOLE1_4X1_8
M103
PLTD_HOLE1_4X1_8
VHF1 (136-162MHz) Main Circuit (Sht 2 of 2)
4-7
TX_EN
RX_EN
9V
FILT_SW_B+
COMP_B+
PA_BIAS
PWR_SET
PA_CURRENT
TX_INJ
RX
INTEGRATOR
DET_VRVS
DET-VFWD
M5
PLTD_HOLE3_5x7_0_TRIMMED
M7
PLTD_HOLE3_5x7_0_TRIMMED
HOLES FOR PA SHIELD
M102
PLTD_HOLE1_4X1_8
M104
PLTD_HOLE1_4X1_8
73D02968C63-0
SHEET 4 OF 8