VIN
VOUT
CTRL
GND
NB
CLIN
CLOUT
BDET
MMUT
R5C
RMUT
OPV1
OPV2
OPV3
GND
OPT3
OPT2
OPT1
SIGOUT
MOWN
BUSY
AUX
MICIN
MICOUT
PTTOUT
PTTIN
SCK
SI
SO
CIRQ
CCS
REM
AFOUT
DISCIN
RXMUTE RMUTE
BEEPOUT
AFONOP
MICMUTE MMUTE
VCC
5V
GND
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
16
to Optional unit
J5
AXN330C038
17
18
19
20
21
22
23
24
25
26
27
28
29
30
BUSY
DUSE
DET
S5C
TONE
MTONE
DTMF
REM
NWC
FRQCOM
CTCSS
CTCIN
ESDA
ESCK
DBAL
DEV
DET
5V
CTCIN
DAST
SPEAKER
SP1
K036NA500-47
W1
OPC-963
1
2
PLST
PLST
CPU5
R510
1 k
R509
10 k
C674
47 P
R503
10 k
R507
1 k
R508
1 k
C672
47 P
L441
1.0 H
EP10
BLM11B221SB
EP11
BLM11B221SB
L443 BLM21P300S
R520 330
R521 330
C565
47 P
C566
47 P
R519
1 k
C550
22
CPU5
R153
470 k
L442
0.1 H
R517
68 k I
180 k [OTHER]
R229
560 k I
180 k [OTHER]
R230
180 k I
56 k [OTHER]
R231
68 k I
22 k [OTHER]
R105
470 [OTHER]
390 H
R44
8.2 k [OTHER]
10 k H
R114
33 k [OTHER]
22 k H
R107
82 k I
150 k [OTHER]
C137
0.033 I
0.027 [OTHER]
0.012 D
C663
0.047
R133 4.7
C662
0.1
R146
12 k
R534
1 k
Tx: 4.79 V
Rx: 0.00 V
4.89 V
Tx: 4.84 V
Rx: 0.19 V
4.84 V
4.99 V
CTCSS
1.08 Vp-p
Tx: 2.20 V
Rx: 2.20 V
R 1.4 Vp-p ( a) 1 kHz, –1.5 kHz)
T 2.3 Vp-p ( a) 1 kHz, 15 mV mic input)
Tx: 2.20 V
Rx: 2.21 V
AFON
3.96 V
Tx: 0.00 V
Rx: 4.97 V
5.01 V
4 Vp-p
(a)1 kHz, 15 mV mic input)
Tx: 2.19 V
Rx: 2.20 V
Tx: 2.19 V
Rx: 2.20 V
2.5 Vp-p
( a)1 kHz, –1.5 kHz)
DTMF 2.2 Vp-p
BEEP 2.5 Vp-p
2.59 V
Tx: 0.03 V
Rx: 1.99 V
78 mVp-p
( a)88.5 Hz CTCSS, –0.35 kHz)
1.2 Vp-p
( a)88.5 Hz CTCSS, –0.35 kHz), 3.7 V P-P(DTCS)
Tx: 1.07 V
Rx: 0.07 V
DTCS
720 mVp-p
840
mVp-p
DTCS
2.8 Vp-p
3.2 Vp-p
Tx: 3.46 V
Rx: 1.52 V
CTCSS 3 Vp-p
SECTION 12 VOLTAGE DIAGRAM
12 - 1