Option Board Connector
Accessory Connector
Control Head Connector
28 pins connector
TX AUDIO SEND
DETECTOR AUDIO SEND
TX AUDIO RETURN
UNMUTED RX AUDIO SEND
POST-LIMITER FLAT TX AUDIO RETURN
RX AUDIO RETURN
OPTION BOARD ENABLE
DATA READY/REQUEST
RESET
DIGITAL 3.3 VOLT SUPPLY
GND
VOICE STORAGE INT
GND
EXTERNAL MIC
ANALOG 3 VOLT SUPPLY
SERIAL CLOCK
SERIAL DATA RETURN
SERIAL DATA SEND
PUSH TO TALK
DISPLAY DRIVER CHIP SELECT
NCBACKLIGHT
KEYPAD ROW
KEYPAD COLUMN
DISPLAY_DRIVER_CS_EN
SHIFT_REG_CS
DISPLAY_DRIVER_COMMAND/DATA_SEL
KEYPAD_COLUMN
KEYPAD_ROW
SCI_PROGRAMMING
MIC_PTT
HOOK
9.3V
D3_3V
HANDSET_RX_AUDIO
MIC_AUDIO
INT_SPKR-
INT_SPKR+
BOOT/RESET DISPLAY_DRIVER_RESET
SPI_CLK
GND
GND
SPI_MOSI
Place capacitors near J2 Place capacitors near J2
Place capacitors near J2
Place capacitors near J2
ELP ONLY
NC ELP ONLY
NCELP ONLY
DISPLAY_DRIVER_COMMAND/DATA_SELNCELP ONLY
NCELP ONLY
NCELP ONLY
Internal spkr+ jumper
VOICE STORAGE RAC
VOICE STORAGE CS
VOICE STORAGE GAIN SELECT
VOICE STORAGE AUDIO SELECT
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
VOX
BATT_SENSE
BOOT_EN_IN_CH
VS_INT
VS_RAC
VS_CS
VS_AUDIO_SEL
VS_GAIN_SEL
VSTBY
LSIO
HSIO
DISPLAY_CS_CH
COMM_DATA_SEL_CH
KEYPAD_COL_CH
KEYPAD_ROW_CH
SCI_CH
OPT_DATA_R_OPBD
OPT_EN_OPBD
HOOK_CH
MIC_PTT_CH
RESET
SHIFT_R_CS
VOL_INDIRECT
ONOFF_SENSE
EMERGENCY_SENSE
RX_EN
LOC_DIST
TX_EN SPI_MOSISPI_CLK SPI_MISO
D3_3V
FILT_SW_B+
CH_ACT
ASFIC_CS
SYNTH_LOCK
SYNTH_CS
RSSI
uP_CLK
F1200
SQ_DET
220.
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
R610
100.
20.0
VR692
9V
R615
330.0
R601
C678
100.n
23
J3-26
26
J3-25
25
R600
J3-28
28
J3-23
9
0.
18
J3-7
7
J3-9
J3-27
27
J3-18
33.
VR693
1n
C662
C633
1n 1n
C632 C631
1n
C630
1n
C629
1n
C628
1n
C627
1n 1n
C625C626
C624
1n 1n
1n
C623
1n
C622 C621
1n 1n
C620
C619
1n
C618
1n 1n1n
C617C615 C616
1n1n
C614C613
1n
C612
1n
C611
1n
C610
1n
C609
1n
C608
1n
1n
C607
1n
C606
1n1n
C605
1n
C604C603
1n
C602
6
J3-22
22
J3-24
24
2
J3-4
4
J3-6
3
J3-5
5
J3-2
J3-15
15
J3-1
1
J3-3
J3-11
11
J3-10
10
J3-8
8
J3-20
20
J3-16
16
J3-19
19
J3-21
21
12
J3-13
13
J3-14
14
J3-17
17
J3-12
20.0
VR692
20.0
VR698
20.0
VR694
20.0
VR699
20.0
VR697
VR696
20.0
VR695
G2
20.0
J2-2
2
J2-21
G1
J2-22
J2-16
16
J2-13
13
J2-17
17
J2-5
5
3
J2-9
9
J2-8
8
J2-1
1
J2-6
6
J2-3
J2-14
14
J2-4
4
19
J2-10
10
J2-11
11
J2-15
15
J2-20
20
J2-19
J2-7
7
J2-18
18
10
FILT_SW_B+
D3_3V
D3_3V
J2-12
12
P1-13
13
P1-10
P1-7
7
12
P1-14
14
P1-8
8
P1-12
6
P1-9
9
P1-3
3
P1-6
FILT_SW_B+
P1-4
4
11
P1-15
15
P1-5
5
P1-11
16
P1-2
2
P1-1
1
P1-16
D3_3V
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