Vhf 1 (136-162 Mhz) 25-45 W Main Circuit (Sht 1 Of 2) - Motorola Radius CM200 Service Manual

4-6
FILT_SW_B+ D3_3V
FILT_SW_B+ D3_3V TX_EN SPI_CLK SPI_MOSI
DIGITAL
ACCESSORY CONNECTOR
EXT_ALARM_OUT
EXT_MIC_PTT
PROG_IN
PROG_I/O
PROG_I/O
PROG_I/O
VHF 1 (136–162 MHz) 25–45 W Main Circuit (Sht 1 of 2)
SPI_MISO
RX_EN
LOC_DIST
RSSI
SYNTH_CS
SYNTH_LOCK
ASFIC_CS
CH_ACT
SQ_DET
LSIO
HSIO
F1200
uP_CLK
VS_AUDIO_SEL
RESET
VS_INT
VS_RAC
VS_CS
VS_GAIN_SEL
NC ELP ONL Y
OPT_EN_OPBD
OPT_DATA_R_OPBD
NC ELP ONLY
NC ELP ONLY
DISPLAY_CS_CH
SHIFT_R_CS
COMM_DATA_SEL_CH
KEYPAD_COL_CH
KEYPAD_ROW_CH
SCI_CH
BOOT_EN_IN_CH
MIC_PTT_CH
HOOK_CH
Place capacitors near J2
VOL_INDIRECT
VSTBY
ONOFF_SENSE
EMERGENCY_SENSE
VOX
BATT_SENSE
PROG_O-ACC_C_4
PROG_I-ACC_C_3
2
PROG_I-ACC_C_6
R615 100
PROG_IO-ACC_C_8
PROG_IO-ACC_C_12
PROG_IO-ACC_C_14
Place capacitors near J2
VR699
20.0
FULL DISPLAY ONLY J3 - DNP
17 J3-17 SERIAL CLOCK VOICE STORAGE AUDIO SELEC T
J3-4 4
16 J3-16 SERIAL DATA SEN D DIGITAL 3.3 VOLT SUPPL Y J3-1212
NC
15 J3-15 SERIAL DATA RETURN ANALOG 3 VOLT SUPPL Y J3-21 21
2 J3- 2 VOICE STORAGE IN T RESET J3-14 14
1 J3-1
VOICE STORAGE RA C EXTERNAL MI C J3-22 22
6 J3- 6 VOICE STORAGE CS TX AUDIO SEND J3-28 28
3 J3- 3 VOICE STORAGE GAIN SELEC T TX AUDIO RETURN J3-26 26
7 J3- 7 J3-24 24
KEYPAD ROW POST-LIMITER FLAT TX AUDIO RETURN
18 J3-18 OPTION BOARD ENABLE DETECTOR AUDIO SEN D J3-27 27
19 J3-19 DATA READY/REQUEST
UNMUTED RX AUDIO SEN D J3-25 25
10 J3-10
DISPLAY DRIVER CHIP SELEC T RX AUDIO RETURN J3-23 23
8 J3- 8 9V3 BACKLIGHT 9
J3-9
Option Board Connector
5 J3-5 KEYPAD COLUM N GND J3-20 20
28 pins connector
13 J3-13 J3-11 11
PUSH TO TAL K GND
9.3V J2-12 12
1 J2-1 DISPLAY_DRIVER_CS_EN D3_3V J2-77
6 J2-6 SHIFT_REG_CS HANDSET_RX_AUDI O J2-18 18
3 J2-3
DISPLAY_DRIVER_COMMAND/DATA_SEL
9 J2-9 KEYPAD_COLUMN MIC_AUDIO J2-15 15
8 J2- 8
KEYPAD_ROW
17 J2-17
SCI_PROGRAMMING
5 J2-5 SPI_MOSI INT_SPKR- J2-20 20
10 J2-10 BOOT/RESET INT_SPKR+ J2-19 19
Control Head Connector
J2-21
J2-22
G1 G2
DISPLAY_DRIVER_RESET J2-2 2
16 J2-16 MIC_PTT SPI_CLK J2-4 4
13 J2-13 HOOK GND J2-11 11
GND J2-14 14
Place capacitors near J2
FILT_SW_B+
Accessory Connector
SPKR -
P1-1 1
4 P1-4 P1-16 16
3 P1-3 P1-2 2
R601 330
6 P1-6 P1-10 10
1
P1-5 5
R602
8 P1-8 P1-11 11
12 P1-12
P1-13 13
0
14 P1-14 P1-15 15
7 P1-7 P1-9 9
VR698 VR697 VR696 VR695 VR694 VR693
20.0
20.0 20.0 20.0 20.0 33.
VHF 25–45 W Band 1 PCB 8486487Z03 / Schematics
3V (SOURCE ) D3_3 V
(SOURCE) 9V (SOURCE)
3V D3_3V
9V
SPI_MOSI
SPI_CLK
ASFIC_CS
CH_ACT
SQ_DET
DC & AUDIO
LSIO
HSIO
F1200
uP_CLK
VS_AUDIO_SEL
RESET
D3_3V
R6000
ELP ONLY
0
FULL DISPLAY ONLY
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
NC ELP ONLY
9V
D3_3V
HANDSET_RX_AUDIO_CH
MIC_AUDIO_CH
5V_CH
VOL_INDIRECT
VSTBY
ONOFF_SENSE
EMERGENCY_SENSE
VOX
BATT_SENSE
SPKR+
SPKR-
SPKR+
EXTERNAL_MIC_AUDIO_ACCESS_CONN
R610 220
IGNITION
FLAT_TX_AUDIO_INPUT_ACCESS_CONN
RX_AUDIO_OUTPUT_ACCESS_CONN
EMERGENCY_ACCES_CONN
Place capacitors near J2
VR692
20. 0
TX_EN
SPI_CLK
SPI_MOSI
9V
RSSI
SYNTH_CS
SYNTH_LOCK
RX_EN
LOC_DIST
(SOURCE)
5V
5V