- 2 -
J6
P1
SP
SPG
SPG
47p
C164
1
2
1
2
MAIN UNIT
KUC3523-040245
MC1
GND
J5
13
0
15
16
PTTIN
PTTIN
5V
PTTOUT
PTTOUT
VCC
MICOUT
MICOUT
MICMUTE
MICIN
MICIN
AFONOP
AFONOP
NC
BEEPOUT
BEEPOUT
NC
RXMUTE
NC
DET
SIGOUT
SIGOUT
AFOUT
AFOUT
OPT1
OPPD
NC
OPT2
CCS
OPT3
OPCS
OPINT
U/D
W7
CIRQ
GND
SO
NC
SI
NC
1
2
3
5
4
SCK
SO
SI
MM
RM
MIC
NC
Q29
XP1213
33k
R144
R142
100
0.001
C163
L416
0.22
µ
H
C498
56p
EVQ-PJ705K
S1
1
2
3
4
5
HV
VOL IN
VOL OUT
VOL GND
VCC
RV-312
R1
VR UNIT
EXT. MIC
MIC
SPEAKER
PTT
EXT. SP
BATT
GND
CHARGER
BATTERY
J7
HSJ1122-010010
J2
OPT
MIC
470p
0.001
C165
C166
0.001
C282
47p
C183
47p
C184
47p
C185
0.001
C189
0.001
C190
0.001
C187
0.001
C186
47p
C182
47p
C180
47p
C181
HSJ1456-01-220A
J3
SP1
AF OUT
SP
CLONE
47p
C167
0.001
C168
0.001
C169
HEC2711-01-020
J4
0.001
C170
0.001
C171
470p
47
C172
C173
15
R156
Q27
SB07-03C
D25
15
R157
0.001
C200
0.001
C202
2SB1132R
C201
0.001
D24
DA204U
10k
R158
DA204U
D27
15k
R174
DTC144TU
Q31
470
R132
CLIN
CLOUT
VOL IN
VOL OUT
AFOUT
VCC
5V
5V
T5
R5
5V
S5
2SA1362
Q22
2SA1362
Q21
2SA1362
Q20
4.7k
R137
4.7k
R139
R444
10k
R443
10k
R442
10k
0.01
C160
R5C
S5C
22
22
22
C177
C176
C175
C174
4.7k
R141
0.01
C161
0.01
C223
0.01
C224
47p
47p
C428
C429
0.01
C162
T5C
2SB1132R
Q18
5
6
4
3
21
2.2k
R134
4.7
C159
1k
R133
R135
100
C158
0.001
C157
0.001
C156
10
C155
S-81250PG-PD
IC6
T1
T2
T3
T4
D
I
G
VCC
CPU5
P0
P1
P2
P3
1
23
A
4
56
B
7
89
C
*0
#
D
1k
×
4
R430
KR3
KR2
KR1
KR0
D16
MA6S121
KS5
KS0
KS1
KS2
KS3
KS4
1k
×
4
R428
1k
×
4
R429
MA6S121
D17
IR1
D33
MA111
CTCSS
DET
R5
CPU5
330k
R221
R434
10k
R154
6.8k
R153
1k
R220
270k
R218
68k
e
82k
u
R219
82k
e
100k
u
0.01
C248
C247
0.001
0.0022
C488
47p
C250
ECS
SI
MTONE
TONE
DTMF
SO
X25080SI-2.7
[16 ch.]
25LC160T-I/SN
[2-BANK]
IC7
1
2
3
4
5
6
7
8
CS
SO
WP
VSS
VCC
HOLD
SCK
SI
0.01
C245
27k [W]
68k [N]
2SC4081
Q35
Q38
DTC144EU
Q405
DTC144EU
R224
47k
R207
R225
22k
R197
180k
C431
4.7
C225
0.01
C249
0.01
C222
0.0056
C489
0.015
C226
0.0082
C463
0.01
C192
0.001
C433
47p
C435
0.001
C434
0.001
C221
0.1
R199
1k
R436
1.8k
R466
22k
R190
22k
R191
22k
R437
47k
R200
220
R168
10k
R192
56k
Q33 XP4601
47k
47k
R203
R202
R234
22k
R231
180k
R230
56k
R229
22k
R461
47k
C227
0.1
820p
C228
SCK
SI
SO
UNLK
CL OUT
CL IN
PLST
NOIS
OPINT
ECS
OPPD
OPCS
+
+
+
+
22
+
+
+
+
Q19 XP6501AB
+
M62354GP
IC10
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
DO
NC
AO5
LD
AO4
AO3
CLK
DI
AO1
DST
SCK
SO
MODCON
FRQCON
AO2
NC
GND
VSS
VCC
VDD
AO6
0.01
C244
C241
10
C240
0.01
C239
0.01
C238
0.01
C237
0.01
C242
0.01
2SC4081
Q36
DUSF
CTCIN
CTDA0
CTDA1
CTDA2
U/D
5
4
1
2
3
6
10k
L412
1
µ
H
L414
0.22
µ
H
OPTIONAL
UNIT
MM
RM
AF
Jumper wire
D
Modification part circuit diagram
This modification is not required when the trans-
ceiver’s serial number is over 60000.
