Kenwood NXR-700 Service Manual page 122

A B
CONTROL UNIT1 (X53-4130-10)
SC
BC8
R441 0
BC1 IC1 SHIFT
RESISTER
R442 0 BU4094BCFV
BC2
R448 0 SCR_PTT STB 1 16
SCR_PTT STRB VDD 50MPU
2 15
DATA OE
SR_CLK 3 14 R445 0
CLK Q5
4 13 R446 0
Q1 Q6
R449 0 0
5 12 R444
Q2 Q7
PULL UP SW
6 11 R443 0
Q19 Q3 Q8
R457 HN1L02FU(F)
7 10
Q4 QʼS
GND 47k 8 9
VSS QS
R458
BC4 100k SR_oE
CLEAR R450 0
DATA_iN
/CoDE R451 0
TXo
R452 0
RXEo
A
R453 0
RXEi
R454 0
TXi
F1
PoW
TAAD_SW
F53-0315-05 Q20
2SA1955A-F MiC_SW
8.0V POWER SW MiCAD_SW
MIC
MIG
POWER SW 63mV
Q21
A DTC144EUA
D26,39
DIODE SWITCH D39 A
R470 0 MiC_SW
TXANTS_O
R492 0 1SS388F ANi_KEY
ANi_KEY
D26
R495 0 PTT_TXD_SCM
PToA
GND 1SS388F
Q25
DTC144EUA TX_ANT_SW
A
A OP CONT SW
A A A
SiDE_ToNE
DATA_iN
DATA_iN
ToNE_CoNT
ToNE_Co
MiC_MUTE
C75 100p
R66 82k
R461 POWER SW
Q23
10k
DTC144EUA
A F2 Q22
PoW 2SA1955A-F 80ANi_CoNT
POWER SW
CN3 F53-0315-05
DC8 1
8.0V
8.0V L21
GND 2 A
A
DC8 3 L5 DC8
DC8 4 L22
50MPU 5 5.0V
L6
50MPU 6 50MPU
MULTIPLEXER
GND 7
BU4053BCFV
DC8 8
1
K5 9 R6 100 K5 Y1
2
K4 10 R7 0 K4 Y0
3
K3 11 R8 0 K3
C63 Z1
BEEP R63 C72 4
K2 12 R9 0 K2
Z
0.1u 3.3k R536 1u 5
K1 13 R10 0 K1 Z0
100k 6
GND 14 INH
AND GATE 7
STB1 15 R11 0 STB1 DIODE VEE
SWITCH IC50
8
GND 16 TC7SH08FU-F VSS
D38
SR_DATA 17 R12 0 SR_DATA ANi_KEY 1SS388F 1 5
INB VCC
GND 18 PTT_TXD_SCM 2
INA A A A
SR_CLK 19 R13 0 SR_CLK 3 4
GND oUTY A
GND 20
SR_oE 21 R14 0 SR_oE PTT_AM16C
GND 22
PTT_TXD_SCM 23 R15 0 PTT_TXD_SCM
SCM_EN 24 R436 0 SCM_EN
HooK_RXD_SCM 25 R16 0 HooK_RXD_SCM
D25
SB
GND 26
MINISMDC020F
oCXo_ST_G 27 R17 0 oCXo_ST_G
CURRENT
PWR_ST_R 28 R437 0 PWR_ST_R PROTECTOR
oCXo_ST_R 29 R18 100 oCXo_ST_R
SB 30 R414 0
VoLUME_IN 31 R19 100 VoLUME_IN
33AUD 32 L7 33SAUD
33MPU 33 L20 33MPU
MiC 34 R407 0 MIC
GND 35 3.3V
MiG 36 R2 0 MIG
50MPU
FM-NARROW
MIC INPUT
CN1
5.5mVrms at 1kHz:52mVrms
PTT_TXD_SCM 1 R21 0 DC50
GND 2
Lo_Vol_DET 3 R22 0 Lo_VoL_DET
NC 4 R23 0
TD_SW 5 R24 0 TD_SW
MiCAD_SW 6 R25 0 MiCAD_SW
MiC_SW 7 R26 0 MiC_SW 3.3V
RXAD_SW 8 R27 0 RXAD_SW
PATH_SW 9 R28 0 PATH_SW
BEEP_SW 10 R29 0 BEEP_SW
11
TA_SW R30 0 TA_SW
TAAD_SW 12 R419 0 TAAD_SW
EVOL_LD 13 R31 0 EVOL_LD
GND 14
A A
EVOL_CLK 15 R32 0 EVOL_CLK
PTT_AM16C 16 R474 0 XC6209B332PR
VOLTAGE REGULATOR
EVOL_DATA 17 R33 0 EVOL_DATA
iNSP_SW 18
AF_MUTE 19 R34 0 AF_MUTE
SCM_EN 20 R438 0 SCM_EN
AMP_SW 21 R35 0 AMP_SW
HooK_RXD_SCM 22 R439 0
NC 23 R36 0
iNRA_SW 24
25
MiC_D_IN R37 0 MiC_D_iN
BEEP 26 R38 0
RX_AUDIO_D 27 R39 0 RX_AUDio_D
GND 28
MoD_D_OUT 29 R40 0 MoD_D_oUT
PWR_ST_R 30 R440 0 PWR_ST_R
33SH
VOLUME_IN 31 R41 0 VoLUME_IN
oCXo_ST_G 32 R42 0 oCXo_ST_G
oCXo_ST_R 33 R43 0 oCXo_ST_R
RX_PWR_SAVE 34 R44 0 RX_PWR_SAVE
GND 35
GND 36
DC8
CN2
SYS_RST 1 R45 0 SYS_RST
GND 2 L19
SB
BER_CLK 3 R522 0
33u
BER_DAT 4 R523 0
A16C_CK_SFT 5 R47 0 A16C_CK_SFT
TRUNKiNG 6 R48 0 TRUNKiNG
ADSP_CK_SFT R49 0 ADSP_CK_SFT
7
GND 8
RADiO_ERR 9 R51 0 RADio_ERR
QT_DQT 10 R52 0 QT_DQT
TX_STATE 11 R53 0 TX_STATE
RF_PTT 12 R54 0 RF_PTT
GND 13
STXO_ARXO 14 R55 0 STX0_ARX0
R74
SRXO_ATXO 15 R56 0 SRX0_ATX0
0
GND 16
SC_SH 17 R57 0 SC_SH
E_PTT_SH 18 R58 0 E_PTT_SH
NC 19 R59 0 R75
50MPU_CoNT 20 R60 0 50MPU_CoNT 0
33SH 21 L14 33SH
33MPU_A 22 L8 33MPU_A
50MPU_A 23 L9 50MPU_A
33MPU_A_GND 24 5.0V 3.3V
33MPU 25 3.3V
3.3V
33MPU 26 L10 33MPU
33MPU_A_GND 27 R61 0
DC50 28 L34
5.0V
DC50 29 L11 DC50
DC50 30 L35
DC50 31
50MPU_A_GND 32 R534
50MPU 33 L12 50MPU 0
R73
50MPU_A_GND 34 L13 50MPU_A_GND
0
GND 35
R535
Hi_VOL_DET 36 R62 100 Hi_VoL_DET
0
R76
0
C470 33SH
33MPU
100p
BER_CLK
C469 BER_DAT
100p
SB
CN4 13.8V
4 L3 R4 R71
SB
3 L32 0 47k
2 L33 R405
0
1
L4
GND
C D
SC
C436 R469 C103 OP AMP
R100 47k
IC9
1u 10k 100p NJM2734V R133
R127 47k
MULTIPLEXER
R77 R83 1 14 C122 100p
AoUTPUT 47k
IC3 DoUTPUT
BU4053BCFV 100k 120k 2 13
A-INPUT R400 0
D-INPUT OP AMP
1 16 3 12 R102 12k C128 R401 0
A+INPUT
Y1 VDD D+INPUT IC12
2 15 4 11 R103 47k A C177 100p
V+ 100p NJM2732V
Y0 Y
5 GND R115
3 14 B+INPUT 10 1 AoUTPUT 8 R158 33k
Z1 X
6 C+INPUT V+
4 13 A B-INPUT 9 150k 2 A-INPUT 7
Z X1
R70 R84 7 C-INPUT R104 BoUTPUT
5 12 BoUTPUT 8 3 A+INPUT 6 92mV
Z0 X0
CoUTPUT B-INPUT
6 11 0 47k 47k 4 5
INH A 140mV GND
B+INPUT
7 10 R471 C102 R105 645mV
VEE B
8 9 100k 47k C134
15p
VSS C
0.1u
A
A
A
CODEC
IC4
AK4550VTP
1 16 C86 10u
VCoM AoUTR
C77 100u 2 15 C87 100u
AINR AoUTL
C78 10u 3 14
AINL PWDA R482
INVERTER
4 13
VSS PWAD Q1
5 12 R529 0 DTC114EUA
VDD SCLK
11
6 R530 0
DEM0 MCLK
7 10 R531 0
DEM1 LRCK
D_AF
8 9 R532 0
SDTo SDTI
125mV
C173
OP AMP IC5
457mV C146 0.1u
NJM2732V C95 100u R93 0 100p
R151 1 AoUTPUT
1 AoUTPUT 8 C96 100p
80mV MULTIPLEXER
V+ 120k 2
2 7 R78 100k A-INPUT
A-INPUT IC14
BoUTPUT C110 BU4053BCFV 3
3 6 R87 A+INPUT
A+INPUT
B-INPUT 1 16 4
4 5 22k V+
GND 100u Y1 VDD
B+INPUT 2 15 R479 R154 5
B+INPUT
Y0 Y
0
3 14 33k 6 B-INPUT
C81 0.1u Z1 X
R406 R106
4 13 7 BoUTPUT
Z X1
C409 C410
0 0 5 12
A Z0 X0
1u 6 11 1u A
INH A C189
D/A IC8
M62364FP-F 7 10
CONVERTER
VEE B
13 12 8 9
200mV
VIN5 VIN4 VSS C
R420 0 14 11 A
VoUT5 VoUT4
R484 0 15 10 640mV R150
IC2 VoUT6 VoUT3
R144
R501 0 16 9 R494 56k
VIN6 VIN3
16 17 8 EVOL_DATA 0 0
VDD D0 DI
C446
15 18 7 EVOL_CLK
Y VDAREF CLK
C98
14 R428 0 19 6 EVOL_LD 390p
X RESET LD R149 1 AoUTPUT
13 R429 0 20 5
10u
X1 GND VDD 33k 2 A-INPUT
12 R430 0 21 4
X0 VIN7 VIN2 3
A+INPUT
11 22 3
A VoUT7 VoUT2 4
GND
10 23 2
B VoUT8 VoUT1
9 24 1
C A VIN8 VIN1
640mV
A
C80
0.1u
A
5.0V
D7
D6
D5
D4
R131 D3
D2
47k
D1
D0
RD G1 D6 A16
oE A15
G2 D5 A12 io6
DQ9 A11
G3 D4 io5
DQ11 NC4
C120 1000p G4 D3 io4
VCC NC3
C121 10u
G5 D2 A6
A A A DQ13 A5 io3
IC6 A0 G6 FLASH MEMORY D1 A2
DQ15/A-1 A1 io2
IC17
H1 C6 A15
io1
VSS1 A14
D1 H2 C5 A11
Ai3
DQ1 A10
D3 H3 C4 Ai2
DQ3 NC2
D4 H4 C3 CS1 Ai1
DQ4 A18
D6 H5 C2 A7 TX_DDS_EN
DQ6 A6
H6 C1 A3
VSS2 A2 TX_PLL_440_EN
TX_PLL_440_CE
TX_PLL_132_EN
R137 SYS_RST
TX_PLL_132_CE
1k TX_2DA_EN
TX_2DA_CE
R159
0
CLOCK
SHIFT SW
Q4
2SC4738F
DC/DC CONVERTER
5.0V 8.0V
Q2
2SJ506-E(S) R129
0 R146
Q14,15
R101 0
DC/DC CONVERTER
Q14 0
L15
2SC4116(Y)F
R432 47 68u
C413 0.1u
Q15
2SA1586(Y)F R148
IC10
IC16
NJM2340RB1 XC6209B502PR
0
R90
5 4 VOLTAGE
oUT GND REGULATOR
C123
15k 6 3 R96
CT FB
R81 7 2 22k 50MPU_CoNT
4700p
VREF IN2
56k 8 1
V+ IN1
DC/DC
CONVERTER
DC/DC
CONVERTER
CONTROL
5.0V
VOLTAGE
REGULATOR
Q3 IC15
DC/DC CONVERTER R533 3.3V
2SJ506-E(S) BA33BC0FP
0 R141
Q16,17 1 3
IN oUT
DC/DC CONVERTER R128 GND 0
0
Q16 R142
2
2SC4116(Y)F L16
R434 47
0
C415 0.1u 33u
Q17
2SA1586(Y)F
R143
R92 5 4
oUT GND 0
6 3 R98 C125
5.6k
CT FB IC18
R82
7 2 10k 4700p 3.3V XC6201P182MR 1.8V
VREF IN2
56k 8 1 R130 1 5 R153
V+ IN1 VIN VoUT
DC/DC 0 2 0
VSS
CONVERTER
IC11 3 4
NJM2340RB1 IC22
NC1 NC2
BU4094BCFV
DC/DC
CONVERTER
SHIFT
CONTROL RESISTER
VOLTAGE REGULATOR
BER_CLK
BER_DAT
SB
OP AMP
IC7
TA75S01F-F
1 5
IN(+) VCC
2 * R550
VEE
3 4 IC29
IN(-) oUT
* 0-10
R551
0-11
LA4425A
for service
E F
AF PA
SC
* IC29
LA4425A
C190
R163 0 TA
C225 0.1u
1u R178 0 TD
ANALOG SW
IC25
A TC7S66FUF
C197 R175 1
5
IN/oUT VCC
OP AMP 33p 39k 2
IC21 oUT/IN
A B C239
NJM2734V 3 4
NAND GATE GND CoNT
R166
1 AoUTPUT 14
IC23 A 1000u25
DoUTPUT
2 A-INPUT 13 33k TC7SH00FU-F
A AF MUTE SW
D-INPUT
3 A+INPUT 12 150mV SPM 1 5
INB VCC Q7
D+INPUT DTC114EUA
4 11 C202 R177 RA AF_MUTE 2
V+ INA
GND
5 10 0 3 4
B+INPUT 1u
C+INPUT GND oUTY
6 9
B-INPUT
C-INPUT
C203
7 BoUTPUT 8 C215 0.1u
CoUTPUT C408 POWER SW
100p R412 A
A Q9
1u 10k 2SJ506-E(S)
R174
AND GATE
68k IC41
TC7SH08FU-F
AF MUTE SW C252
1 5 Q6
INB VCC A C253
DTC363EU
2 B
INA
3 4 R193
GND oUTY D7
10k
POWER SW
C445 0.1u
Q8
A DTC114EUA
C192 1u A
0 C193 1u R477 100k
A
R237
AMP_SW A
C254
A
R243
A AF MUTE SW
RD
NAND GATE CS2
Q26
DTC144EUA IC30 A0
TC7SH00FU-F R240
C200
MiC_D_iN 1 5
INB VCC
10u SCLK 2
INA
3 4 BCLK
A GND oUTY
OP AMP
IC20
C237 0.1u R241
NJM2734V R171 C208
RX_AUDio_D
14
18k 10u
DoUTPUT
13 R172 R242
D-INPUT DIVIDER
12 47k
IC31
D+INPUT
11 TC7MH4040FK-F
GND
10 1 16
Q12 VCC
C255
C+INPUT R167 2 15
9 Q6 Q11 0.01u
C-INPUT 3 14
8 47k
Q5 Q10
CoUTPUT 4 13 LRCK
Q7 Q8
5 12
0.1u Q4 Q9
R216 6 11
SCLK
Q3 CLR
A 0 7 10 MCLK
Q2 CK
A
8 9
GND Q1
C199
MoD_D_oUT
R160
100u
56k
OP AMP
IC19
NJM2732V
8
V+ C194
7
BoUTPUT A
6 56p
B-INPUT
5
B+INPUT
C188
0.1u
R220 0
18DSP R221 0
33SH
103 64
P125
104 63
P126
105 62
P127
106 61
P50/WRL/WR
107 60 R254
P10/D8 P51/WRH/BHE
108 47k
P07/AN17/D7 59
P03/AN13/D3 P52/RD
P06/AN16/D6
109 58
P02/AN12/D2 P05/AN15/D5 P53/BCLK
110 P04/AN14/D4 57
P01/AN11/D1 P130
111 56
P00/AN10/D0 P131
112 55
P117 P132
113 54
P116 P133
114 53
P115 P54/HLDA
MPU
115 52
P114 P55/HoLD
IC34
116 3625MGP396GP 51
P113 P56/ALE
117 50
P112 P57/RDY/CLKoUT
118 49
P111 P134
119 48
P110 P135
120 47
P107/AN07/KI3 P136
121 46
P106/AN06/KI2 P137
122 45
P105/AN05/KI1
123 44
P104/AN04/KI0
124 43
P103/AN03
125 42
P102/AN02
126 41
P101/AN01
127 40
AVSS
128 P100/AN00
39
C226 10u
C227 1000p
R195 0
R196 0
C212 X1 CLOCK
SHIFT SW
L77-1984-05
14.7456MHz
12p C222 Q5 2SC4738F
15p
R200 0
50MPU R201 0
A_TXD0
A_RXD0
33SH
BUFFER BUFFER BUFFER
IC40 IC27 IC32
R184
TC7SH126FU-F TC7SET126FU-F TC7SH126FU-F
ROM-IC
1 5 1 5 1 5 IC35 TX_SR_oE 47k
G VCC G VCC G VCC S24CS02AFJTBG
R473
2 2 2 STB1_L
4 5
100k INA INA INA
3 4 3 4 3 4 GND SDA STB_L
R472 3 6
GND oUTY GND oUTY GND oUTY
A2 SCL
TX_SR_EN
100k 2 7
A1 WP
R183 TX_VR_EN
1 8
A0 VCC
SR_DATA_C
0 BUFFER BUFFER
IC28 IC33 SR_CLK_C
TC7SH126FU-F TC7SH126FU-F
PAG_SW_L
1 5 1 5
G VCC G VCC
2 2 INVERTER
INA INA
3 4 3 4 Q18
GND oUTY GND oUTY
2SK1830F
SURGE
BER_CLK PROTECTOR
BER_DAT
BUFFER AMP Q11
2SD2114K(W)
R502
SB
18k
R188
R550 R551 0
A
– 0 –
B
– 0
GND
G
R293 0
R294 0
CLOCK CLOCK
SHIFT SW
X2 SHIFT SW
Q10 L77-1987-05 Q12
2SC4738F C275 16.515072MHz C281
2SC4738F
12p 15p
ADSP_CK_SFT
1 108
10u
2 NC1 A18 107
NC2
0.01u 3 A17 106
VSS1 VSS14
4 105
DVDD1 A16
5 104
A10 D5
6 103
HD7 D4
7 102
A11 D3 C274 4700p
8 101
A12 D2
9 100 R289 47k
A13 D1
10 99
A14 D0
11 98 R292 0 DSP_RS
A15 RS
12 97
NC3 X2/CLKiN
47k 13 96 R283 0
HAS X1
0.01u 14 95 D3
VSS3 HD3
47k 15 94
NC4 CLKoUT
16 93
CVDD2 VSS13
17 DSP 92
HCS HPiENA
18 IC37 91
HRW CVDD5
47k 19 320VC5402PGE 90
READY NC14 C277
20 89
PS TMS
21 88
DS TCK 0.01u
22 87
iS TRST
23 86
R/W TDi
24 85
MSTRB TDo
25 84 R297 47k
ToSTRB EMU1/oFF
26 83 R296 47k
MSC EMU0
47k 27 82
R409
XF ToUT0 D2
28 81
HoLDA HD2 0
29 80
iAQ NC13
47k 30 79 R286 0
HoLD CLKMD3
31 78 R287 0
Bio CLKMD2
32 77 R288 0
MP/MC CLKMD1 PAG_SW
33 76
DVDD2 VSS12
34 75
VSS5 DVDD4
35 NC12 74
NC5 NC11 C278
36 NC6 73
10u
C279
0.01u
C283
TX_ANT_SW
0.1u
AND GATE VR_EN
IC38
18DSP TC7SET08FU-F
4 3
oUTY GND
2
INA
5 1
VCC INB
R302
100k
SR_oE
SR_EN
SR_DATA
SR_CLK
Ai3
STB1_L
R261
47k DSP_RS
DSP_iNT
RY
WR
R267
47k RD
R268
47k STB_L
PAG_SW_L
TX_SR_oE
RSSi
R270 47k
R269 47k
CP24
HRDY
TX_SR_EN
TX_VR_EN
SR_DATA_C
SR_CLK_C
PTT_AM16C
EMoN
CP26
R262
CP25 47k
RX_iF_BW2
RX_iF_BW1
50MPU
D3,4,7-11,
D3 D7 D9 D11 D15 D17 D37 D20
14-18,20,36,37
SURGE PROTECTOR
D4 D8 D10 D14 D16 D18 D36
EMoN
E_PTT
Ai1
SC
Ai2
Ai3
CN68 CN67 CN66 CN65
io1
TD
io2
TA
io3
RD
io4
A_TXD0
RA
A_RXD0
io5
io6
BUFFER
IC36 SPM
TC7MET541AFK
1 20
G1 VCC
2 19 C265
A1 G2
3 18 SR_oE
0.1u
A2 Y1
4 17 STB1
A3 Y2
5 16 STB
A4 Y3
6 15 SR_EN 50MPU R408
A5 Y4
7 14 VR_EN 0
A6 Y5
8 13 SR_DATA
A7 Y6
9 12 SR_CLK
A8 Y7
10 11 PAG_SW RSSi
GND Y8
SPG
3.3V 5.0V
50MPU SPo
SB
SURGE SURGE SURGE SURGE
PROTECTOR PROTECTOR PROTECTOR PROTECTOR
BUFFER AMP BUFFER AMP BUFFER AMP BUFFER AMP
Q13 Q27 Q28 Q29
2SD2114K(W) 2SD2114K(W) 2SD2114K(W) 2SD2114K(W)
R507 R508 R509 R510
18k 18k 18k 18k
SURGE SURGE SURGE SURGE SURGE
PROTECTOR PROTECTOR PROTECTOR PROTECTOR PROTECTOR
GND
H I
NXR-700
SCHEMATIC DIAGRAM
1
Note : The components marked with a dot (•) are parts of layer 1.
mV:AC voltage value measured with an electronic voltmeter.
The unit is mVrms.
V:DC voltage value
rms:60% modulation TX signal or RX signal
Audible signal:Measures it by 1kHz
Sub audible signal:Measures it by 100Hz
CN56
BUFFER
IC39 1 GND
TC7SH125FU-F
2 GND
1 5
G VCC R389 3 PAG
2
INA 0 4 GND
2
3 4
GND oUTY 5
CoNT_5.0V
6 D_GND
C345 0.1u
CN69 7 CoNT_5.0V
8 D_GND
SDA R316 0 9 SDA
R390 0 10 D_GND
105mV FOR MIC TA
25mV FOR TD 11
SCL R317 0 SCK
12
TX_TEMP_PRT R318 0 TEMP_PRT
R319 0 13 ANT_SW
TX_DDS_EN R320 0 14 DDS_EN
R321 0 15 VR_EN
TX_PLL_440_EN R322 0 16 440_EN
TX_PLL_132_EN R323 0 17 132_EN
18
TX_PLL_440_CE R324 0 440_CE
19
TX_PLL_132_CE R325 0 132_CE
TX_LDT R326 0 20 LDT
TX_2DA_EN R338 0 21 2DA_EN
TX_3DA_EN R327 0 22 3DA_EN
TX_2DA_CE R328 0 23 2DA_CE
R329 0 24 SR_Eo
25
TX_8AD_EN R330 0 8AD_EN
26
R331 0 SR_EN
TX_SDi1 R332 0 27 SDi1
R333 0 28 SDo0
TX_SCLK1 R334 0 29 SCLK1
R335 0 30 SCLK0
TX_SDo1 R336 0 31 SDo1
32
GND
R337 33
MoD
0 34 WP
35 GND
36 GND
3
50MPU R391 0 CN57
1 GND
5.0V 2
R392 0 GND
3
WP
4 D_GND
SDA R361 0 5 E2PRoM_SDA
6 CoNT_5.0V
SCL R362 0 7 E2PRoM_SCL
8 D_GND
STANDARD DEVIATION RX:100mV
FM WIDE/NARROW 9
RX_8AD_EN R363 0 AD_CS
10
RX_iF_BW2 R364 0 iF_BW_SW
11 AD_DAT_WRiTE
RX_iF_BW1 R374 0 12 NC(iF_NW_SW)
13 AD_CLK
14 GND
RX_SDi0 R365 0 15 AD_DAT_READ
16
NC
17 CoNT_5.0V
RX_LoCK_DET R366 0 18 PLL_LoCK_DET
19 AGC_RSSi
RX_PLL2_EN R367 0 20 PLL2_EN
RSSi R368 0 21 FM_RSSi
22
NC
CN61
23
GND
RX_PLL_PWR_SAVE R375 0 24 PLL_PWR_SAVE
R359 0 25 RX_AUDio
RX_SDo0 R376 0 26 SiF_DAT
27 GND
RX_SCLK0 R369 0 28 SiF_CLK
29 4
RX_3DA_EN R377 0 DA_EN
30
RX_PLL1_EN R370 0 PLL1_EN
RX_VCo_BAND_SW R371 0 31 VCo_BAND_SW
RX_DDS_EN R372 0 32 DDS_EN
R373 0 33 RX_PWR_SAVE
34 NC
35 GND
36
GND
CN58
1 NC
2 NC
3 NC
177mV AT 100Hz INPUT
4 NC(RSSI)
280mV AT 1kHz INPUT
R526 120 5 BER_CLK
6
NC
STANDARD DEVIATION RX:80mV
7
R340 1k EMON
8 NC
STANDARD DEVIATION RX:400mV
R342 1k 9 EPTT
R343 1k 10 Ai1
R344 1k 11 SC
R345 1k 12 Ai2
13
R527 120 BER_DAT
14
R346 1k Ai3
15 TXG
16 DG
R347 1k 17 IO1
R348 1k 18 TD
R349 1k 19 IO2
20
R350 1k TA
21
R351 1k IO3 5
R352 470 22 RD
R353 1k 23 IO4
R354 1k 24 RA
R355 1k 25 IO5
26 RXG
27
R356 1k IO6
28
R357 1k SPM
29 NC
30 NC
CN59
20 NC
19 SB
18 NC
chassis GND 17 SB
16 NC
CURRENT
D24 13.8V 15 NC
PROTECTOR SMD185F-2
SB R380 0 14 SPG
13 GND
R393 0
12 SPG
L40
L44 11 GND
10 RD
9 RSSi
8 SPi
L45 7 Ao1
Ao1 6 SPo
Ao2 L46 5 Ao2
L43 4 SPo
Ao3 3 Ao3
L47
Ao4 2 Ao4
L48
Ao5 L49 1 Ao5
D23
DA204U
CN60
1 SPO
INT SP
2 SPG
SURGE
PROTECTOR 3.4V AT 3W
6
113
X53-413