Motorola Commercial CM Series - Page 70

4-30 UHF 1-25W PCB 8486684Z03 (Rev. B) / Schematics
Accessory Connector
Control Head Connector
NC
Place capacitors near J2 Place capacitors near J2
Place capacitors near J2
Place capacitors near J2
ELP ONLY
NC ELP ONLY
NC
ELP ONLY
NCELP ONLY
Internal spkr+ jumper
DNPJ3 -
DNPDNP
DNP
DIGITAL
Option Board
Keypad/Display
Accessory Connector
EXT_ALARM_OUT
EXT_MIC_PTT
PROG_IN
PROG_I/O
PROG_I/O
PROG_I/O
TO DC & AUDIO
TO SHEET 2
220
TX AUDIO SEND
DETECTOR AUDIO SEND
TX AUDIO RETURN
UNMUTED RX AUDIO SEND
POST-LIMITER FLAT TX AUDIO RETURN
RX AUDIO RETURN
RESET
DIGITAL 3.3 VOLT SUPPLY
GND
ANALOG 3 VOLT SUPPLY
BACKLIGHT
GND
EXTERNAL_ MIC
VOICE STORAGE AUDIO SELECT
OPTION BOARD ENABLE
DATA READY/REQUEST
SERIAL CLOCK
SERIAL DATA RETURN
SERIAL DATA SEND
PUSH TO TALK
DISPLAY DRIVER CHIP SELECT
KEYPAD ROW
KEYPAD COLUMN
DISPLAY_DRIVER_COMMAND/DATA_SEL
VOICE STORAGE INT
VOICE STORAGE RAC
VOICE STORAGE CS
VOICE STORAGE GAIN SELECT
DISPLAY_DRIVER_CS_EN
SHIFT_REG_CS
DISPLAY_DRIVER_COMMAND/DATA_SEL
KEYPAD_COLUMN
KEYPAD_ROW
SCI_PROGRAMMING
BOOT/RESET
SPI_MOSI
MIC_PTT
HOOK
9.3V
D3_3V
HANDSET_RX_AUDIO
MIC_AUDIO
SPKR-
SPKR+
DISPLAY_DRIVER_RESET
SPI_CLK
GND
GND
Option Board Connector
28 Pins Connector
DNP
33.
P1-1
D3_3V
J3-23
23
J3-9
9
VS_GAIN_SEL
VSTBY
3V
0.0
R602
9V
0.
R603
0.
R604
J2-4
4
J2-2
2
19
J2-11
11
J2-14
14
15
J2-20
20
J2-19
J2-7
7
J2-18
18
J2-15
J2-22
G2
J2-12
12
17
J2-5
5
J2-16
16
J2-13
13
J2-21
G1
J2-9
9
J2-8
8
J2-17
J2-6
6
J2-3
3
J2-10
10
J2-1
30
J3-31
31
J3-32
32
10
FILT_SW_B+
D3_3V
D3_3V
1
5
J3-5
J3-29
29
J3-30
10
J3-10
13
J3-13
J3-19
18
J3-18
8
J3-8
25
16
J3-16
17
J3-17
2
J3-2
J3-20
20
J3-11
11
15
J3-15
J3-27
27
6
J3-6 J3-28
22
J3-22
1
J3-1
24
28
J3-26
26
J3-24
1n
7
J3-7
J3-14
14
3
J3-3
4
J3-4
0.
R600
19
J3-12
12
J3-21
21
VR692
20.0
J3-25
OPT_DATA_R_OPBD
OPT_EN_OPBD
HOOK_CH
MIC_PTT_CH
RESET
SHIFT_R_CS
VOL_INDIRECT
ONOFF_SENSE
EMERGENCY_SENSE
VOX
BATT_SENSE
BOOT_EN_IN_CH
VS_INT
VS_RAC
VS_CS
VS_AUDIO_SEL
FILT_SW_B+
CH_ACT
ASFIC_CS
SYNTH_LOCK
SYNTH_CS
RSSI
uP_CLK
F1200
SQ_DET
LSIO
HSIO
DISPLAY_CS_CH
COMM_DATA_SEL_CH
KEYPAD_COL_CH
KEYPAD_ROW_CH
SCI_CH
PROG_O-ACC_C_4
PROG_I-ACC_C_3
PROG_IO-ACC_C_14
PROG_I-ACC_C_6
PROG_IO-ACC_C_8
PROG_IO-ACC_C_12
RX_EN
LOC_DIST
TX_EN SPI_MOSISPI_CLK SPI_MISO
D3_3V
20.0
VR692
100.
330.0
R601
9V
R615
C678
100.n
33.
VR693
C662
R610
1n
1n
C633 C632 C631
1n
C630
1n
C629
1n 1n
C628
1n
1n
C626C627
1n 1n
C625
C624
1n
1n
C622
C623
1n 1n
C621 C620
1n
1n
C618 C619
1n1n
C617C616
1n 1n
C614 C615
1n1n
C613C612C611
1n1n
C610
1n
1n
C609C608C607
1n
1n
C606
1n1n
C605C604C603
1n
C602
1n
VR698
20.0
VR694
20.0
20.0
20.0
VR697
VR699
VR695
20.0
VR696
P1-7
7
P1-13
13
P1-10
P1-14
14
8
P1-12
12
P1-9
9
P1-8
P1-6
6
P1-4
4
P1-3
3
P1-15
15
FILT_SW_B+
5
P1-11
11
2
P1-5
1
P1-16
16
P1-2
DNP
UHF1 (403-440MHz) Main Circuit (Sht 1 of 2)