Kenwood NX-820 Service Manual page 126

TX-RX UNIT(X57-8240-13)
FSX0 FSX0 B-BUS FSX0 B-BUS
PLL_MOD CLKX0 CLKX0 CLKX0
X2/CLKIN X2/CLKIN X2/CLKIN
A-BUS D-BUS A-BUS D-BUS D-BUS A-BUS
C-BUS C-BUS C-BUS
CN 4 2 3 R:13.6V R526 33MDSP
T(25W):13.2V DC/DC Converter(50M) IC405 100k
+B LT1616ES6-PBF +B CP507
100kX4
13.6V BATTERY CN422 CN541 CN542
-B SHDN 4 DC/DC Converter(50M) CP513 100kX4
VIN 5 FB 3 D 40 7 5.02V DGND
L404 6 GND 2 R B52 0S M - 3 0 50M
Surge Reverse SW BooST 1 CP514 100kX2 15MDSP C533
Protection Current Prevention 33MDSP 10u
L405
DC/DC 22uH CN502
Converter 50M CLKoUT HOST_RDY
AVR(33A) D[15] L13 CN503 /HINT
D[14] L12 D[15] XF A[0]
3.27V AVR(33M) 4.98V R4 18 CN421 D[13] L11 D[14] GPIo0 F3 E14 A[1]
R410 VoUT 5 VIN 1 33A D[12] M14 D[13] GPIo1 E1 A[2]
VoUT VIN 1 VSS 2 0 Q 4 0 9 D[11] N12 D[12] D[11] GPIo2 E2 R541 /MCCSXCN A[3]
5 VSS 2 4.7 D405 CE 3 4 3 33A_2 C501 D[10] P12 D[10] GPIo3 B3 CN540 100 A[4]
3 DB2S310 NC 4 5 2 3.3V 0.1u D[9] D[8] L10 D[9] GPIo4 A3 CP504 A[6] A[5]
Discharge 4 NC CE IC406 6 1 D[7] P11 N11 D[8] GPIo5 D5 MCSCKCN A[7]
IC401 R411 XC6209B332M-G EM 6 M 1 33A_2 D[6] M10 D[7] GPIo7 GPIo6 C4 MCDICN A[8]
XC6209B332M-G 47k 3.31V DC Switch D[5] P10 D[6] GPIo8 D1 100X2 A[9]
(33A_2) D[4] L9 D[5] GPIo9 G5 CP503 A[10]
. SBC2 D[3] M9 D[4] GPIo10 H4 H5 A[11]
F 5 0 2 50MC D[2] P9 D[3] GPIo11 J3 A[12]
50MC 4.99V D[1] K8 D[1] D[2] GPIo12 M1 100kX4 FSDET A[13]
2.5A Q 4 1 0 D[0] L8 D[0] GPIo13 M2 C536 A[14]
R423 DC Switch(50MC) 2S A1 95 5A - F CN419 G3 A[20] RTCINX2 B12 R536 0.1u R549 A[15] A[16]
2.3V SBC2 4.7k H3 A[19] RTCINX1 A12 0 CP502 10k A[17]
F K3 3 0 3 0 1 Q4 0 7 CN418 C502 P5 K1 A[18] SCL H14 A[18]
DC Switch(50MC) 0.1u P7 A[17] DN SDA H13 100kX2 A[19]
R412 R413 15M M8 A[16] DSP DP D3 A[20]
K9 A[15] I C 5 0 2 PU D4 C1
10 R:4.59V 10 1.5V C503 A[13] N3 A[14] AIN[3] E11 CP510 100kX2 D[0]
T:3.45V A[12] P3 A[12] A[13] AIN[2] D12 D[1]
0.1u A[11] L4 A[11] AIN[1] D13 D[2]
AVR(15M) A[10] N4 A[10] AIN[0] D14 C527 D[3]
Voltage Detector(BINT) IC408 A[8] A[9] P4 A[9] RCVDD_4 C12 0.1u D[5] D[4]
XC6205B152P-G CN417 A[7] N5 L5 A[8] RDVDD_3 A14 D[6]
4 VSEN A[6] L6 A[7] RDVDD_1 RDVDD_2 B13 D[7]
VIN 3 D 33M A[5] M6 A[6] AVDD A13 D[8]
VSS 2 R 4 3 8 AVR(33GPS) 33GPS A[4] P6 A[5] ADVDD F10 C14 D[9]
5 CD Vo UT 1 33GPS C504 A[3] K6 A[4] USBVDD D2 D[10]
. 1 0 4.43V 3.32V 0.1u A[2] K7 A[3] A[2] USBPLLVDD G11 C528 D[11]
XC6118C23CMR IC402 A[1] M7 A[1] CVDD_15 N8 0.1u D[12]
A[0] L7 A[0] CVDD_14 N7 D[13]
3.26V IC407 R501 NC H11 A'[0] CVDD_13 M11 C529 D[14] D[15]
NJM2878F4-33 22 A2 F2 X2/CLKIN CVDD_12 M4 0.1u /WR
T(25W):13.2V R:13.6V SB B1 VSS_1 CVDD_10 CVDD_11 L14 /RD
C417 100p T(5W):13.4V 3.32V B9 VSS_2 CVDD_9 L1 C530 PA
SB C505 B11 VSS_3 CVDD_8 J11 J10 0.1u INAMT
MTM981400BF Q403 10u C2 VSS_4 CVDD_7 J5 C531 CN425
8 AVR(80C) C5 VSS_5 G1 /CS3
1 2 6 7 IC 1 DC Switch(80T) . CN414 C506 0.1u /CS2
3 5 TA7808F-NQ 7.9V Q4 04 10u
R:6.77V T:6.5V DC Switch(SB) 4 1 IN OUT 2 SA1 95 5A - F 80C C507 15MDSP 33MDSP /CS0 /HRDY
∼6.7V 2 80T 80T 10u /HDS2
. DC Switch(80T) . R:0.0V D
R421 Q411 T:7.8V DGND DGND
4.7k LTC014EEBFS8 R:0.0V T:3.3V
Protection Over DC Supply . R:0.0V T:7.8V C 5 2 4 1 u
F503 80ANT
LTC014EEBFS8 Q401 D4 03 . . . A[16]
RB520SM-30 375mA R 4 1 9 DC Switch(80ANT) R441 80T A[0] A[16] G4
Q418 LTC014EEBFS8 Q4 05 DC Switch(80ANT) . 2.7k A16 VCC1 D6
LTC014EEBFS8 2 . 7 k Q41 2 A[15] G5 A15 VSS1 D1
DC Switch(SB) DC Switch (80ANT) . LTC014EEBFS8 G1 oE A15 D6 A[15] G6 DQ3 DQ1 D[1] D
DC Switch 1.7V Q4 0 2 DSW G2 DQ9 A11 A[11] A[9] H1 A9 C6 A[5]
(Over DC Supply Protection) . AVR(50C) 2 SA1 9 5 5 A-F R:3.3V T:0.0V D[9] G3 D5 A[19] A[10] H2 I C 5 0 3 SRAM A5 C4
IC4 0 4 5.0V 50C 33M L 50 1 D[11] G4 DQ11 A19 D4 A[20] A[11] H3 A10 NC1 C3 D[5]
R4 0 7 XC6209B502P-G 50C VCC A20 D3 A[5] A11 DQ5 C1
D403,404 4 .7 k D[13] G5 DQ13 A5 D2 A[12] H4 A12 DQ0 B6 D[0]
Reverse Current DC Switch(50R) 50R D[15] G6 DQ15 Flash Memory IC501 A1 D1 A[1] A[13] H5 A13 A7 A[7]
Prevention 50R H1 VSS1 A14 A[14] A[14] H6 A14 B5 A[4]
R:4.75V H2 C6 A[10] A4 B4 Reset
3.30V . T:0.0V D[1] H3 DQ1 A10 C5 BD5329FVE I C 5 0 4
Q 4 1 7 D[3] DQ3 A21 C4
E M D5 D[4] H4 DQ4 A18 C3 A[18] 4 GND CT
DC Switch(50CS) 50CS D[6] H5 DQ6 A6 C2 A[6] D[4] 3
50CS H6 VSS2 A2 A[2] 5 SUB 2 RST RST
4.89V D C1 L505 R546 VDD VoUT 1 3.3V
Digital GND 3.3V 0
. . . 50CS(SAVE) . R503 D
C649 R682 R681 0 . R680 E M D5 Q 4 0 8 100k C537
0.01u . 0 C648 0 . R:3.3V T:0.0V 1000p /RST D
R683 R677 0.1u . R678 .
0 0 R679 C647 0
0
D D D 0.01u D
B-BUS B-BUS
B-BUS B-BUS B-BUS B-BUS
(MCLK) . D703,704 .
18.432MHz 3.3V FSX0 FSX0 D703 AF Detector . Q 7 0 4
CLKX0 CLKX0 DA3S101F R775 2SC4738(GR)F
I C 5 0 6 18.423MHz X 5 0 1 IC508 Q703,704
R 5 5 8 4 Q VSS L 7 7 - 3 0 1 5 - 0 5 INB 1 T C 7 S H 0 8 F U - F 5.6k MIC AGC
L506 2 2 5 VDD XT 3 C542 3 oUTPUT VCC 5 1 INB VCC R568
6 2 0.01u GND 2 SCK1 2 INA 2 INA 5 0
XTN INHN 1 4 R567 3 GND 3 R569 .
S M5 0 23 C N D H -G D VCC VC 1 1k oUTY 4 GND oUTY 4 0 R777
C 5 4 3 AND Gate . .
R555 CN523 D I C 3 0 1 AND Gate D704 10k Q703
1k Buffer AMP(Clock) 0 . 1 u /PCS TC7SH08FU-F D DA3S101F 2SA1832(GR)F
D . . MIC SUM .
MIC C706 R707 R769 .
0.1u 10 1.8k . 680k . . . . . SSM3J15FS Q706 .
R556 C765 C774 C782 C812 Q705
A4 XTALI E1 2 R778 R787 SSM3J15FS
22 NC B4 A10 XTALo DGND2 E1 1 . 22p 27k 0.1u 12k 0.1u 10u 10
A12 32I DGND1 E1 0 C565 0.1u
D B11 DSPCK DVDIo7 L 5 C566 . 0.1u . (VREF)
GPSDET A11 CKo DVDIo6 P 6 . C567 0.1u C718 0.1u 1.65V
H18 USRCKI DVDIo5 P1 1 C568 . 0.1u
J18 ADD0 ADD1 DVDIo4 DVDIo3 L14 C569 0.01u .
K18 ADD2 DVDIo2 H14 C570 1u . . MOD SMF . 1 . I C 7 0 3
L18 ADD3 DVDIo1 E1 3 . . R702 VDD 8 B U 7 4 6 2 N U X
M18 ADD4 DVDD10 E 7 C572 . C573 0.1u 0.1u MOD 2.2k 100k R709 100k R711 2 - + 7 R773 LPF(DI) MIC SUM AMP/
J17 N18 ADD5 DVDD9 N 5 M 5 C574 . 0.1u 3 + - 0 .
K17 ADD6 DVDD8 P 9 C575 . 0.1u DC Switch(System) 4 VSS 6 C743
M17 ADD7 DVDD7 P1 0 . C576 0.1u Q 5 0 1 5 . 47p . . .
N17 ADD8 DVDD6 N 1 4 . C577 0.01u F K 3 3 0 3 0 1 VCO MOD/VREF . R748 R751 R756 C784
P17 ADD9 DVDD5 M14 C578 1u IC701 100k 100k 1k 10u
K16 ADD10 ADD11 DVDD3 DVDD4 G 1 4 . B U 7 4 6 2 N U X
L16 ADD12 DVDD2 F 1 4 D D DI
M16 ADD13 DVDD1 E 9 L 5 1 0
P16 ADD14 GPIo11 E 8 B 5 D /H_L
J15 ADD15 GPIo10 C6 SBC /SAVE
M15 K15 ADD16 GPIo9 B 6 ASTSW
N15 ADD17 GPIo8 A 6
P15 ADD18 GPIo7 U 8 BUCNT1 BUCNT2
J16 ADD19 GPIo6 R 8
CN504 H15 ADD20 ADD21 GPIo4 GPIo5 R 7 MKEYO Reverse
G17 DT0 GPIo3 T 7 MKEYI Current Prevention
H16 DT1 GPIo2 V1 0 EMG
G15 DT2 ASIC ASIC GPIo1 U9 /OVRB
F18 DT3 I C 5 0 7 IC507 GPIo0 V9 T9 /INT15P
F17 G16 DT4 SIMRST C11 POWER /IGN
E18 DT5 SIMCK D12 /BINT . . ASQ
E17 DT6 SIMDT C12 /SYMTIM ASQDET R722 R741
F16 DT7 SYMTIM R5 FSDET . 100k . 47 . CN701
D18 DT8 DT9 TXRVE FSDET R6 TXC C723 R738 . D702 .
D17 DT10 TRAMP R2 DSW 47p 10k 1SS422 R750
B15 DT11 TMoD P3 GLED C741 39k
D16 DT12 PSTPA M4 P2 RLED 33M . 0.22u
C15 DT13 PSTIF R1 R 5 9 9 C732 Noise
E15 D15 DT14 PSTPLL N3 100k MM MM2 1000p Detector
A15 DT15 RXRVE N2 /T_R . Noise AMP .
A16 WRITE RXSLT P1 RXC B U 72 4 2 NU X I C 7 0 5 Q702
B14 READ PSRRF L4 HSW . . SQL Noise . BRF/Buffer AMP(SQ) KTC4075E(Y,GR)
C14 BLE BHE PSRPLL PSRIF M2 C702 C705 BW Switch C716 .
A13 CS4 RSSIT M3 /DWUP 1000p 47p 100p
D13 CS3 VFRM N1 /DINT . R720
C13 CS2 VoINT D8 D7 . C719 330k
B13 CS1 MCo2 C7 M_MODEL C580 C579 0.01u 0.01u Q701 100p 33A_2
B12 A14 CS0 MCCS2 D10 PCB_VER F K 3 3 0 3 0 1
D14 HRADY MCCK2 C8 DSP_ST D DEO Buff
TXD0 R18 HDS2 MCCR1 D9 /MCCSXCN
RXD0 T18 TXD0 MCCX1 B7 HOST_RDY 1
RTS0 R16 RTS0 RXD0 MCo1 MCI1 C9 MCDICN VDD 8 .
CTS0 R15 CTS0 MCCK1 B8 MCSCKCN . . 2 - + 7 . .
TXD1 U15 TXD1 MCCS0 A7 /MCCSAF ASQAPC R701 R706 3 + - R724 R730 C733 .
HOOK_RXD1 T15 RXD1 MCo0 B9 B10 MCDOAF 10k 82k 4 VSS 6 47k 47k 4.7u R837
TXD2 RXD2 V15 TXD2 MCI0 D11 MCDIAF MCSCKAF . 5 5.6k
V14 T14 RXD2 MCCK0 A8 I C 7 0 2
R611 TXD3 R3 PLD BU7242NUX
R685 10k . LPF(APC/DMO) .
10k C 5 5 8 . C776 .
0.1u D D BEEP R772 R776 R783
R552 4.7k C559 15k 10k 0.039u 150k
R553 4.7k D D 10u RX SUM AMP/LPF(RX AF) .
R581 R584 C680 . . . IC711 . .
100k IF_DET VOICE R826 C808 R827 RX SUM BU7462NUX C704 R703
R687 CN428 4 7 k 0 . 1 u 10k 0.068u 82k 1u 10 56k .
10k DGND CN509 C560 3p R705
R559 C544 CN507 . . 1 VDD
3.9k 0.1u RXAF C746 R754 2 - + 8 68k .
R554 C545 D D R583 100k 0.1u 56k 3 7 R710
3.3k 10u D R580 3.3k 4 + - 6 56k
VSS 5
.
C777 RXAF SMF
0.1u
B-BUS B-BUS
B-BUS B-BUS
B-BUS B-BUS B-BUS
THP1
I C 7 1 4
B-BUS
33C
MM2 . . DC { 1.44V . . 1.44V } DC
SPAF R823 C806 Bias 1.44V R819 C797 1.44V Bias TEMP L 1 .
C10 0.01u
. . 12k . 1u 2.2k . . 0.22u .
C791 R816 C796 R820 C798 C11 0.01u
MI2 PAAF . .
Mute(MI2) . 10u 10 12k 1u 2.2k 0.22u R811 C622 CP703
Mute(MI1) C790 10k 0.01u . GND1 VCC
. 2.7V . IC512 13
1 0 u 10 INAMT R847 F 7 0 1 TC7WBD125AFK . 100kX4 14 NC_1
22k 1 oE1 GND2 oUTPUT NC_2
. . 2.5A VCC 8 R636 470k X 1 . 15 NC_3 .
PA R 8 4 6 . R813 I2CCK 2 A1 o E 2 7 L77-3073-05 C3 L 2 R72 16 NC_4 PLL System I C 2
MM 22k Q709 1k I2CDT 3 B2 B 1 6 1 9 SCL Io1.2 1 2 0 . 0 1 u 4 . 7 u 1k 17 NC_5 SKY72310-362
SSM6N37FE 4 GND 2 0 S D A Io1.1 18
A 2 5 2 1 V D D . I/O Expander Io1.0 1 1 NC_6
AF Mute Switch Q708,709 . 22 I NT PCA9535BS I C 5 1 5 1 0 . 50C . . AVR(33C) 3.3V .
Q708 . Leval Shift VSS 9 33C NJM2878F4-33 I C 4 0 9 L 3
LTC014EEBFS8 J701 /INT15P 23 A 1 Io0.7 8 C P 7 0 5 50M R 8 2 5
24 A 2 Io0.6 7 0
100kX2
D505-510
. Line Protection
CP704
DI
100kX4 . . 5 SBC2
C P 7 0 6 R 6 6 4 R 6 6 7 F NC 1
0 1 0 0 C634
100kX2 6
SDO0 R668 100p F N C 6
SCK0 . 9 4 7 0 C635 D408,409 13.9V
/EVCS . SP2 S P 2 R662 R669 100p F N C 2 DC/DC Converter D408 D409 R 4 3 5
C778 0 100 . C636 D-Sub15 . D B 2 S 3 1 0 D B 2 S 3 1 0
. 1u 10 50MC R506 100p 5 0 M C J 5 0 1 150C
C779 100p 6
. 1 1 0 C 6 3 7 1 80C R 4 2 9 R 4 3 1
R 6 5 9 R 6 7 0 100p F N C 3 1 1 7 0 0 Q415,416
0 100 C 6 3 8 1 2 2 Q 4 1 5 Q 4 1 6 DC/DC Converter
CN710 7 VoUT3 VoUT2 24 12 . 100p SP2 8 3 2SC4738(GR)F 2 S A 18 3 2 ( G R ) F
8 VoUT4 VoUT1 23 20 F1CNT R663 . C 6 3 9 13 DC Switch(150C)
9 VIN4 D/A Converter . VIN1 F34CNT 4 9
10 VIN5 R2A20178NP IC712 22 17 SB F2CNT . R 6 5 8 R 6 7 1 100p FNC4 10 14
11 VIN8 21 . DEO 14 R660 0 13 100 C640 5
VoUT5 VoUT8 20 R796 C788 50MC R 6 3 4 100p D A T O 1 5 Q 41 4 20KHz 3.3V
12 VoUT6 VoUT7 19 DA T O D A T O 1 0 0 C641 E M D 9
0 4.7u D A T A I D A T A I DEO_AFO 10 R672 100p B-BUS
. F N C 5
33M RXD_FNC2 R665 4 7 0 C642 C N 3 0 2 150C
18 I C 5 1 4 DI_MI2 R626 100p D A T A I
TC7WH126FU-F 7 15 1 0 0 . C 6 4 3 3.83V C 3 2 2
1 G1 F501 0 . 0 2 2 u S B L302 100p .
2 A1 VCC 8 . C 6 4 4 5 6 0 n R 3 0 6 R 3 1 5 C 3 1 6 L304 C 3 2 4 C359
33A_2 . DI EMZ6.8N D705 D 7 0 6 E M Z 6 . 8 N G2 7 R666 G N D 330k 0 10p 56n 3 3 p 0 . 0 1 u
R797 CTS0 3 Y 2 Y1 6 100p R 3 0 3 C315 1 3
0 4 GND A2 5 6 1k 0.01u 2
19 RS-232C Driver Tripler
C624 2 S C 5 1 0 8 ( Y ) F Q 3 0 3 0.64V . 4.71V
/IGN /IGN /IGN 0.01u 9 R2oUT RXD C 3 3 0
D705,706 Dual BUS Buffer 10 T2IN R2IN 8 TXD 9.9V
. Line Protection RXD0 D 5 0 4 (FNC2/FUNC4) 11 T1IN T2oUT 7 DC Switch(Horn Alert) 0.1u
MIC/RX Selector(BINT) I C 7 1 3 RXD0 V- 6 Q 50 2
T C 7 W 5 3 F K ( F ) Reverse D B 2 S 3 1 0 12 R1oUT C2- 5 C628 1 u 25 L T C 0 14 T E B F S 8 . . L 7 2 - 1 0 1 7 - 0 5 .
5 50M Current Provention 13 R1IN R657 R661 R643 C 3 0 7 R 3 0 8 IN o U T C 3 1 3 R 3 2 3 C327 . R332 0
A GND 4 F34CNT 14 T1oUT C2+ 4 C 6 2 9 1 u 25 4.7k 4 7 k 0 0 . 1 u 0 0 . 1 u 0 . 0 . 1 u C 3 3 2 0 . 1 u .
6 CH1 VEE 3 15 GND C1- 3 C 6 3 0 1 u 25 MTM981400BF R 3 2 6 . C 3 3 3 0 . 1 u
7 CH0 INH Dual BUS Buffer(FNC3/FUNC1) 50MC 16 VCC V+ 2 Q 5 0 3 3 3 0
8 VCC CoMMoN 2 I C 5 1 3 C1+ 1 DC Switch (Horn Alert) . . C 3 3 4 0 . 1 u
1 TC7WT126FU-F 9.9V C632 R641 CF1 C 3 3 5 0 . 1 u .
. 1 G 1 A D M 2 0 2E A R N Z I C 5 1 6 C627 C326
C786 RTS0 2 A 1 VCC 8 1u 1 0 0 0 p 0 1 0 p
0.1u 3 Y2 G2 7 RTS_FNC3 25
Y 1 6 .
MIC RX SEL 4 GND A 2 5 R674
T X D 0 . 1M
C N 7 0 5 R637
TXD_FNC1 . . 1k
TXD0 D 5 1 3 R638 CN720
D512,513 DB2S310 . 1k D_RXD2 DC Switch(IGN) .
C N 7 0 7 Reverse Current D512 . L T C0 1 4 T E B F S 8 Q 50 4
Prevention DB2S310 Line Protection D 6 0 1 IF_DET
DB2S310
S P - SP- SP- S P -
SP+ S P + SP+ S P +
MIC MIC MIC M I C
M E ME ME ME
B-BUS B-BUS B-BUS B-BUS
THP1 THP1 THP1 THP1
2.6V:25℃
. C 4 7 4 p TX Power Module
C31 VCO . . I C 1 0 2
FIN FIN R41 L 2 0 C49 R 4 6 R 8 0 R83 E 2 3 - 1 2 78 - 0 5 TH1 RA60H40471101
4 7 p 0 1 2 n 10p 3 3 . 0 . 0 . C N 1 4 CN10
R:3.92V R81 R84 R87 C N 11
RX VCO L 2 4 T:0.93V 0 0 0
Q5 R58
RX VCO RX VCO Assist Tune MCH3914(8)-H C66 220n R:1.26V 1 0 Q10,11 C N 1 5 CN 1 2 R:0.0V
Frequency Control D 7 RX VCO T:0.0V Buffer AMP TX Pre-Drive AMP . T(25W):2.8V T(5W):2.3V
R40 L6 C50 1SV282-F C59 L 1 8 7 p C74 R:4.41V 2SC3356-A(R24) Q1 0 1 C 1 0 9 R103 C104 TX Drive AMP R122 13dBm
. . . 0 10u 150p 2 4 p 8T 0 . 5 p Q11 T:4.41V Q1 0 2 . 1 2 . (32dBm:Lo-Pow)
R 1 9 R20 R24 L5 D9,10 2SC5108(Y)F Q 1 0 2SC5108(Y)F C89 L121 6 p 2 2 470p 2SC3357-A C119 R188 L106 R123 C136 L115
CPout 6 0 0 3 9 0 RX VCO Assist Tune R:0.69V R61 C 8 1 C84 6 p 15n 6p 1 2 1 8 n 12 470p
VCCcp 5 . T:0.69V 1 5 0 k 7p 3 p R:1.04V T:1.04V RKS151KJ D 1 7 R:13.6V
LD/PS 4 . R:0.0V R:3.71V D16,17 T:12.7V(25W)
Fin C 2 0 C25 T:3.9V T:3.71V T/R Switch 1.4dBm
Fin 3 . 100p 100p R36 L 4 0 L 2 1 R50
2 R10 . 0 TX VCO 2 2 0 n 10
VCC 1 . 10 TX VCO Frequency Control TX VCO MCH3914(8)-H Q6 C69
C22 R14 R35 L 7 C51 TX VCO Assist Tune C71 L 1 7 6 p C76
. 0 . 1u . 4 7 k 7 T L26
C23 C26 0 1 0 u 270p 1SV282-F D8 1 8 p R:0.0V 0 . 5 p
. 100p 100p Over Voltage T:1.15V
. C 1 6 1 0 0 p Protection L103
. C17 1 0 0 p DC Switch
. C18 100p . (Assist) (Assist) DC Switch .
C19 100p 2SJ648-A Q2 Q 1 Q8,9 R:0.0V
LTC014EEBFS8 R34 L 4 1 D11,12 FM Modulation T/R VCO Switch +B T:7.8V
0 TX VCO R:3.3V Q9 80T R:0.0V
Assist Tune T:0.0V SSM3J15FS T:7.8V
.
R28 VCO MOD . . 4 E M 6 M 1 3 80T . .
10M C 5 5 R49 R52 5 2 C145 R 1 3 8 1 0 k .
1u 6.3 4 7 k 470k R: 1.47V . I C 1 0 3
6 1 T: 0V Transient D 1 0 2 0 .1 u NJM12904RB1
Q 8 Voltage limiter DA3S101F . 1
. R56 MP R130 . 2 V + 8
0 CV I C 3 L 1 9 DC Switch(50C) 1 5 k R 1 3 1 - + 7
. BD7542FVM 0 Q 1 0 6 3 + - 6 .
R13 . 1 o U T 1 50CS T:4.05V R:4.02V E M D 5 1 0 k 4 GND R 1 4 9
4 7 k R17 2 VDD 8 R : 0.0V . 5 1 0 k
100k 3 - + 7 . Ripple Filter T(5W) : 1.5V T(25W) : 1.9V C155 470p
+ - 6 ASSIST R 2 6 2SC5383-T111 Q 4
4 V SS . 5 Speed up T:4.73V R:4.71V T(25W):0.0V R:0.0V OP AMP(APC) .
1 k D A 2 S 1 0 1 D14 T(5W)3.3V R 1 4 1
. C28 100p . 33k
C30 1 u 25 R 1 3 7 .
DC AMP(CV/Assist) 1 0 0 k Q 1 0 5 DC Switch
FK330301 (H/L Power)
B-BUS B-BUS B-BUS B-BUS B-BUS
. . . . .
150C 150C R 2 2 3 SideA C 2 0 6 C221 C 2 2 5 C231 C N 2 0 3
L204 L205
1 8 n 18 n 0 1. 5 p 8p 4p 5p 4.78V
CN205 C N 2 04 C N 2 0 6
4.78V R 2 0 4 C 2 1 1 C213
4.54V 4 . 7 k 1p 2p R: 0V
CN304 . 4.77V LNA T:0.80V
FM System . R218 C251 NESG240034 Q 2 02
I C 3 0 3 C 2 6 3 R 2 9 0 C 2 5 4 C 2 9 1 C289 C297 C296 L228
T K1 0 9 3 1 VT L - G . . 0 7p 1 0 p 0 4p 2p 100p 100p 1 8 p 2 .7 n
1 OSC<B> C 3 4 7 C371 R355 C367 BPF
RFin 24 0.01u . 0.01u 0 0.01u 0.93V L71-0678-05 XF1 1.53V
2 OSC<E> GND 2 3 C 3 4 5 0 . 1 u C361 R394 L312 L315 L316 C360 L203 270n RX BPF Tune D201-203,205
3 MIXo COMPo 2 2 . 0 . 0 1 u 1 8 0 150n 4 1 390n 180n 0.01u fL : 2.86V
4 VCC R 3 4 2 100k fC : 6.66V D204,206
5 AMIFi COMPi 21 . 1st IF AMP Q 30 5 R 2 0 3 RX 1st Mixer C 2 1 6 fH : 10.17V RX BPF Tune
6 AMIFdecp NAMPo 20 . R345 2SC4215-F(Y) 6 8 0 Q 2 0 1 .
NAMPi 19 . 0 3.30V 3SK318 470p R 2 3 0 .
7 FMIFi AGC 18 C 3 4 2 1 u R344 DC AMP(RSSI)
8 FMIFdecp1 AGCAMPo 17 IC304 0 R 2 5 7
9 FMIFdecp2 2 . 7 k BU7445HFV 1 oUT1 VDD 8 1 0 0 k fL : 1.52V
10 LIMo RFAGCo 16 R 3 5 0 1 I N+ 2 fC : 5.41V fH : 8.92V
1 1 QUADi RSSIo 15 . 1 0 k R 3 5 8 2 VSS VDD 5 3 - + 7 13.9V
AMSW 14 R 3 4 3 3 3 k 150C 150C 4 VSS + - 6
12 FMDETo AMDETo 13 2 2 k 3 I N - oUT 4 5
.
C239
C351 . 0 . 1 u
100p C 2 4 0
. 1 u
C F 2 CN303 CN306 DC AMP(BPF) .
. L72-1040-05 . . I C 2 0 1
C 3 3 7 oUT IN R337 C 3 4 3 B D 7 5 4 2 F V M
0.1u 1k 0 . 1 u
G N D
S P - SP- S P - SP-
S P + SP+ SP+ S P +
M I C MIC MIC MIC
ME ME M E ME
B-BUS B-BUS B-BUS B-BUS
DISPLAY UNIT (X54-3830-10)
LCD
D 1 1-21,24
LCD BACKLIGHT
D11 D15 D 1 9
R 3 4
270
2.07V
D 1 2 D16 D 2 0 R35
.
COUPPLER R 2 270
Antenna Switch D110,111 0 D13 D17 D 2 1
D 1 1 0 R 3 6 R 2 9
L407CDB 2 7 0 2 2 0
. . . Forward Power
D 1 1 1 C177 L116 L117 R171 ANT D14 D18 D24 R37 R 2 8
L407CDB 100p 0
Reverse Power 270 1 2 0
B30-2337-05 Q 8
R:0.0V KT C 4 0 7 5 E (Y , G R )
T:1.6V LCD BACKLIGHT
SWITCH
.
CN514 KEY BACKLIGHT
SB . 1 SWITCH 9.72V
C621 S B INT SP 5.0V
1000p 2 S B Q 9 D5-9
SP+ QST7 KEY BACKLIGHT
3 SP- 12.93V
4 SP-
SP- D 5 D8
D104,105 5 KTC4075E(Y,GR)
TH2 2.6V:25℃ TX Power Detection SDO0 SP+ R42 Q11 B30-2337-05 B 3 0 - 2 3 3 7 - 0 5 3.3k
LCDCS . 6
Over Voltage Protection SCK0 C620 100p SP+ 2.7k D 6 D9
D106 . 7 BLC PTT:4.62V HOOK:4.96V
DZ2J056(M) C165 C158 BLC C618 . 100p SB:13.53V KEY BACKLIGHT
8 M BL J1 MBL:5.00V 4.82V SWITCH CONTROL B 3 0 - 2 3 3 7 - 0 5 B 3 0 -2 3 3 7 -0 5
470p R T(25W) : 2.1V : 0V 4 7 0 p MBL . . C617 1 0 0 p 9 DM D7 1.89V
T(5W) : 0.8V CP515 C616 100p R L E D HOOK
. 10 MIC 4.62V B 3 0 -2 3 3 7 -0 5
Reverse C615 100p GLED MIC ME
Current Prevention BLED 100X2 . 11 PTT D 1 D 2
R 1 5 8 R152 D103 5V_TXD2 . C614 100p B L ED GND SURGE VOLTAGE
3 3 k 1 k RKS151KJ C661 12 GN D SB R 1 2 PROTECTION PROTECTION
CN530 MBL B C
4 7 p 13 GN D 5.0V 1 0 0
5V_TXD2 14 13.5V
D112-114 GN D
Over DC Supply Protection . 15 D 2
Antenna Switch BUS Buffer . C 6 1 3 E MG D A 3 S 1 0 1 F S A
I C 5 1 1 0 . 0 1 u 16
TC74VHCT244AFK GN D
17 NC CN1
D 1 0 8 EMG 1 SB
RB520SM-30 50C . . . 18 5 0 C 2
D109 GLED RLED C 6 5 2 CP516 . C612 100p 19 SB
0 . 1 u C611 47p L C D D I 3 SP-
RB520SM-30 . 20 4
Over DC Supply Protection D108,109 TXD2 C610 47p L C D C E 5 SP+
100X4 . 21
. C609 47p L C D C L 6 5.0V
R 6 1 7 22 L C D D O 7 BLC R7
0 KMO1 D 2 6
SDI0 23 GN D 8 MBL 0 R 1 7 KMO2
9 RLED 0 KMO3
. 24 GN D 1 0
BUCNT1 R 6 1 6 . 25 GLED HN2S03FE
TXD1 470k C607 100p MIC 11 BLED
. 26 1 2 GND
R614 0 ME
. 27 HOOK 13 GND KMI1 49 KI1
Dual BUS Buffer . C605 100p 1 4 GND KMI2 50 KI2
IC716 . 28 PTT 15 EMG R 5 KMI3 51
TC7WT126FU-F C604 . 1000p KI3
MKEYO C603 100p 29 M K E Y 1 6 GND 1 k 52 KI4
BUCNT2 . 30 17 NC 5.0V 53
Reverse Current Prevention C602 0.01u POWER 1 8 50C 50C L 1 54 KI5
/PTT . . VDD
DB2S310 D511 C651 19 LCDDI C P 1 55 V L C D LCD DRIVER
. 2 0 LCDCE 56
R684 0 . 1u 57 VLCD1 I C 1
HOOK_RXD1 47k 21 LCDCL R 2 R 3 R 4 VLCD2 L C 7 5 8 5 7 W - E
2 2 LCDDO 1 0 k 1 0 k 10k 58 VSS
33M 23 GND 1 0 0 X4 59
B30-2321-05 R:0V T E S T
2 4 GND D22 T:4.95V R:4.95V T:0V 60 oSC
Dual BUS Buffer (HOOK/MKEY) . 25 MIC LED OFF:0V 61 D o
IC509 2 6 ME LED ON:2.26V T:1.81V R:5.0V R:2.13V T:5.0V 62
. TC7WH126FU-F . R 3 8 R 3 9 C E
S P - S P - Reverse D502 . 27 HOOK 63 C L
S P + S P + Current R615 . . R610 2 8 PTT 4 . 7 k Q 3 Q6 4.7k 64
M I C M I C Prevention DB2S310 4 . 7 k R 6 1 3 C650 470k 29 MKEY K T C 4 0 7 5 E (Y , G R ) KTC4075E(Y,GR) Q3 D I
ME M E MKEYI 1 0 k 0 . 1u LED OFF:0V R:0V R:2.06V TX LED
POWER 3 0 POWER POWER LED ON:5.0V Q 1 0 T:1.76V T:0V SWITCH
LTC014EEBFS8 D 2 3 Q6
B-BUS B-BUS 3.27V TX LED B30-2151-05 BUSY LED
SWITCH D 2 2 TX/BUSY SWITCH
CONTROL INDICATION INDICATION
(BLUE)
3.77V
R 2 4
3.77V
R25
3.3k
R26
4.7k
KMO1
KMO2
KMO3
3 2
S32
S31 3 1
3 0
S30
S29 2 9
2 8
S28 2 7
S27
S26 2 6
2 5
S25 2 4
S24
S23 2 3
2 2
S22
S21 2 1
S20 2 0
1 9
S19
S18 1 8
1 7
S17