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1
GND
GND
REF_SW2
WP(SYS-RST)
REF_SW
oX_SCL
EXT_EXiST
oX_SDA
REF_EXiST
iMP_H_L
REF_iN_oUT
GND
oX_SDi2
GND
oCXo_VR_EN
GND
oCXo_oN
GND
oCXo_CURR
GND
oCXo_EXiST
GND
VCXo_DA_EN
GND
REF_LDT
GND
PLL_19_EN
GND
PLL_19_CE
GND
oX_SDo2
GND
oX_SCLK2
33MPU
GND
GND
2
3
GND
GND
RX_PWR_SAVE
oCXo_ST_R
oCXo_ST_G
VoLUME_IN
PWR_ST_R
MOD_D_OUT
GND
RX_AUDIO_D
BEEP
MIC_D_IN
iNRA_SW
HooK_RXD_SCM
AMP_SW
SCM_EN
AF_MUTE
iNSP_SW
EVOL_DATA
PTT_AM16C
EVOL_CLK
A
CONTROL UNIT2 (X53-4140-XX)
CN400
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
3.3V
33
34
35
36
REFERENCE 19.2MHz
CN302
R309
0
R311
0
L326
J703
L327
J702
CN401
1
CHASSIS GND
2
FRAME 12.5Hz
3
4
5
6
7
8
9
10
11
12
13
NC
14
15
16
17
18
19
20
21
22
C359
0.1u
BUFFER
IC300
TC7SET126FU-F
4
3
oUTY
GND
2
INA
5
1
VCC
G
C360
0.1u
BUFFER
IC301
TC7SET126FU-F
4
3
oUTY
GND
2
INA
5
1
VCC
G
R322
0
R927
0
R323
0
R928
0
R324
0
R929
0
R325
0
R930
0
R326
0
R327
0
R328
0
R329
0
R330
0
R331
0
R332
0
R333
0
R334
0
R335
0
R336
0
R337
0
L315
R361
100k
4.91V
C387
0.01u
3.44V
Q300
C396
2SC4738F
2.80V
0.01u
Q300
REFERENCE AMP
33MPU
R397
0
IC302
R318
ISL8485EIBZ
5
4
R357
0
100
GND
D
6
3
R358
0
A
DE
R319
7
2
R359
0
B
RE
8
1
R360
0
100
VCC
R
RS-485 DRIVER/RECIEVER
R363
0
R364
0
0
R365
R366
0
R931
0
R367
0
R368
0
R369
0
R370
0
R947
0
R371
0
R932
0
R372
0
R933
0
R373
0
R948
0
R374
0
R946
0
R375
0
B
33MPU
BER_CLK_L
BER_EN
BER_DAT_L
BER_EN
50MPU
BER_DAT
BER_CLK
REF_SW2
SYS_RST
REF_SW
oX_SCL
EXT_EXiST
oX_SDA
REF_EXiST
iMP_H_L
REF_iN_oUT
oX_SDi2
R417
oCXo_VR_EN
0
oCXo_oN
oCXo_CURR
oCXo_EXiST
33MPU
VCXo_DA_EN
REF_LDT
PLL_19_EN
PLL_19_CE
Lo_VoL_DET
oX_SDo2
oX_SCLK2
33MPU
R404
R391
0
10
L308
L309
C438
820n
820n
0.01u
R396
0
R408
R409
BUFFER
IC727
TC7SH126FU-F
1
5
G
VCC
2
INA
R913
3
4
GND
oUTY
0
FRAME_DET
33MPU
BUFFER
IC304
TC7SH125FU-F
1
5
33MPU
G
VCC
2
R393
INA
0
3
4
GND
oUTY
C420
0.1u
RX_PWR_SAVE
oCXo_ST_R
oCXo_ST_G
VoLUME_IN
PWR_ST_R
VOLTAGE PROTECTOR
D702
1SS355
AMP_SW
SCM_EN
AF_MUTE
EVOL_DATA
EVOL_CLK
H6
VSS2
D_D6
H5
DQ6
D_D4
H4
DQ4
D_D3
H3
DQ3
D_D1
H2
DQ1
FLASH MEMOR
H1
VSS1
D_A0
G6
DQ15/A-1
G5
DQ13
G4
VCC
G3
DQ11
G2
DQ9
D_RD
G1
oE
R451
47k
3.96V
3.3V
VOLTAGE
DETECTOR
IC308
XC61CN2702N-G
L310
10u
R441
82k
R418
C466
0.1u
3.54V
R411
100k
4.91V
REFERENCE
4.7k
C453
Q304
AMP
2SC4738F
0.01u
R424
C467
R440
22
680
0.01u
2.90V
R432
22
C461
0.01u
R439
22
R438
10
C468
0.1u
4.90V
Q305
2SC4738F
3.15V
REFERENCE AMP
L311
C465
2.50V
0
PLL_GND
1.5u
0.01u
0
CP_GND
IC313
TC7WU04FK-F
R421
C462
R433
1
1A
2
10
0.01u
1M
3Y
3
2A
4
GND
TX_CoSDTo
R431
0
IC309
AK4550VTP
TX_CoSDTi
9
8
SDTI
SDTo
TX_CoLRCK
10
7
LRCK
DEM1
11
6
MCLK
DEM0
TX_CoSCLK
12
5
SCLK
VDD
TX_CoPWAD
13
4
PWAD
VSS
TX_CoPWDA
14
3
PWDA
AINL
15
2
AoUTL
AINR
16
1
AoUTR
VCoM
CODEC
MOD_D_OUT
RX_AUDIO_D
MiC_D_IN
33MPU
R951
100k
BUFFER
IC728
TC7SH126FU-F
IC314
8
VCC
7
1Y
6
3A
5
2Y
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