Motorola Radius CM300 User Manual

VHF 25–45 W Band 2 PCB 8486487Z04 / Schematics 4-31
GND
KEYPAD COLUMN
Internal spkr+ jumper
SPI_MOSI
ELP ONLY
SERIAL CLOCK
ELP ONLY
KEYPAD_COLUMN
DNP
Option Board Connector
ELP ONL
Y
VOICE STORAGE IN T
RX AUDIO RETURN
BACKLIGHT
SCI_PROGRAMMING
Accessory Connector
DATA READY/REQUEST
SPI_CLK
NC
DNP
DISPLAY DRIVER CHIP SELECTNC
TX AUDIO RETURN
D3_3V
DNP
ANALOG 3 VOLT SUPPLY
OPTION BOARD ENABLE
EXTERNAL MIC
(SOURCE
)
9V3
9.3V
DETECTOR AUDIO SEND
KEYPAD ROW
DISPLAY_DRIVER_CS_EN
NC
Place capacitors near J2
INT_SPKR-
SERIAL DATA RETURN
VOICE STORAGE GAIN SELECT
NC
SERIAL DATA SEN D
HANDSET_RX_AUDI O
RESET
NC
VOICE STORAGE AUDIO SELEC T
MIC_AUDIO
(SOURCE )
ELP ONLY
VOICE STORAGE CS
Control Head Connector
KEYPAD_ROW
BOOT/RESET
PUSH TO TAL K
UNMUTED RX AUDIO SEND
INT_SPKR+
DISPLAY_DRIVER_COMMAND/DATA_SEL
(SOURCE
)
J3 -
TX AUDIO SEND
28 pins connector
Place capacitors near J2
MIC_PTT
GND
DNP
(SOURCE)
ELP ONLY
GND
VOICE STORAGE RA C
DIGITAL 3.3 VOLT SUPPL Y
Place capacitors near J2
SHIFT_REG_CS
GND
HOOK
Place capacitors near J2
POST-LIMITER FLAT TX AUDIO RETURN
DISPLAY_DRIVER_RESET
J2-22
G2
2
24
C609
1000pF
J3-26 26
J3-24
14
J3-28 28
J3-21
21
J3-14
R602
0
J3-1212
J2-18 18
1000pF
2
C621
4
2
J2-4
2
R615
100
J2-2
2
C678
0.1uF
2
P1-2
C623
1000pF
C611 1000pF
2
VR695
1 2
J2-1616
20.0
2
J2-1717
C605
1000pF
2
P1-11
11
1000pF
C620
J2-77
SPKR+
J2-55
J2-21
G1
2
D3_3V
1000pF
C632
J3-22
1000pF
C628
2
20.0
1
VR697
1000pF
C624
2
C631
1000pF
D3_3V
C615
1000pF
2
3
J3-9
J2-14
14
J2-3
1000pF
2
C607
P1-33
330
R601
1
J3- 77
J3-4
J3-55
22
J3-20 20
J3-11 11
J3-22
J3-25 25
J3-23
23
1
2
J3-27 27
VR694
20.0
VR692
20.0
1
4
J2-88
2
P1-4
1000pF
C602
J2-20 20
J2-12 12
1000pF
2
FILT_SW_B+
2
C633
C617
1000pF
VR698
20.0
1 2
2
J2-1010
1000pF
C622
1000pF
C604
2
J2-11
P1-1 1
C625
1000pF
2
1000pF
2
VOX
VSTBY
VS_AUDIO_SEL
VS_MIC
uP_CLK
C627
ONOFF_SENSE
POST_LIMITER_FLAT_TX_AUDIO_RETURN_OPT_BRD
RESET
RX_AUDIO_OUTPUT_ACCESS_CONN
RX_AUDIO_RETURN_OPT_BRD
SPI_CLK
SPI_MOSI
SPKR+
SPKR-
SQ_DET
TX_AUDIO_RETURN_OPT_BRD
TX_AUDIO_SEND_OPT_BRD
UNMUTED_RX_AUDIO_SEND_OPT_BRD
VOL_INDIRECT
D3_3V
DETECTOR_AUDIO_SEND_OPT_BRD
EMERGENCY_ACCES_CONN
EMERGENCY_SENSE
EXTERNAL_MIC_AUDIO_ACCESS_CONN
F1200
FLAT_TX_AUDIO_INPUT_ACCESS_CONN
HANDSET_RX_AUDIO_CH
HSIO
IGNITION
LSIO
MIC_AUDIO_CH
3V
5V
5V_CH
9V
ASFIC_CS
BATT_SENSE
CH_ACT
P1-9 9
1000pF
2
C608
2
C619
1000pF
1000pF
2
J2-99
C603
6
15
J3- 33
J3-6
J2-15
J2-1313
FILT_SW_B+
1000pF
C614
2
19
J3-1818
2
J3-19
1000pF
C662
P1-1010
3V
9V
2
J2-66
C613
1000pF
11
P1-1414
J2-11
29
J3-30
30
J3-2
9
13
J3-1515
J3-1010
J3-13
P1-66
D3_3
V
1000pF
2
9V
C629
0R6001
0
R6000
1 1 2
VR693
33.
20.0
VR696
J2-19 19
SPKR -
D3_3V
P1-1616
5V
J3-11
15
R610
220
VS_GAIN_SEL
VS_INT
VS_RAC
uP_CLK
P1-15
RSSI
RX_EN
SCI_CH
SHIFT_R_CS
SPI_CLK
SPI_MISO
SPI_MOSI
SQ_DET
SYNTH_CS
SYNTH_LOCK
TX_EN
VOL_INDIRECT
VOX
VSTBY
VS_AUDIO_SEL
VS_CS
HSIO
KEYPAD_COL_CH
KEYPAD_ROW_CH
LOC_DIST
LSIO
MIC_PTT_CH
ONOFF_SENSE
OPT_DATA_R_OPBD
OPT_EN_OPBD
PROG_I-ACC_C_3
PROG_I-ACC_C_6
PROG_IO-ACC_C_12
PROG_IO-ACC_C_14
PROG_IO-ACC_C_8
PROG_O-ACC_C_4
RESET
8
ASFIC_CS
BATT_SENSE
BOOT_EN_IN_CH
CH_ACT
COMM_DATA_SEL_CH
D3_3V
DISPLAY_CS_CH
EMERGENCY_SENSE
F1200
FILT_SW_B+
HOOK_CH
2
P1-8
1000pF
C612
17
J3-1616
5
J3-88
J3-17
2
P1-5
1000pF
C606
P1-1212
20.0
VR699
1 2
J3-31
31
2
J3-32
32
1000pF
C616
P1-13
13
1000pF
C630
2
C618
2
1000pF
1000pF
C626
2
1000pF
C610
2
P1-7
7
R600
21
0
ACCESSORY CONNECTOR
EXT_ALARM_OUT
EXT_MIC_PTT
PROG_IN
PROG_I/O
PROG_I/O
PROG_I/O
KEYPAD / DISPLAY
OPTION BOARD
DC & AUDIO
9
4
DIGITAL
TX_EN
SPI_CLK
SPI_MOSI
9V
RSSI
SYNTH_CS
LOC_DIST
RX_EN
SYNTH_LOC
K
FULL DISPLAY ONLY
FULL DISPLAY ONLY
VHF 2 (146–174 MHz) 25–45 W Main Circuit (Sht 1 of 2)

Motorola Radius CM300 Specifications

General

Brand	Motorola
Model	Radius CM300
Category	Radio
Language	English