Kenwood NX-820G Quick Start Manual page 88

TX-RX UNIT(X57-8240-1X)
FSX0 FSX0 FSX0
B-BUS B-BUS
PLL_MOD CLKX0 CLKX0 CLKX0
X2/CLKIN A-BUS X2/CLKIN A-BUS X2/CLKIN A-BUS
D-BUS D-BUS D-BUS
C-BUS C-BUS C-BUS
CN423 R:13.2V T(25W):12.8V DC/DC Converter(50M) R526 33MDSP
IC405 100k
+B LT1616ES6-PBF +B CP507 100kX4
13.2V BATTERY -B C N4 22 CN541 CN542
4 SHDN FB DC/DC Converter(50M) 100kX4 CP513
5 VIN 3 D4 07 5.02V DGND
L404 6 SW GND 2 R B5 20 SM - 3 0 50M CP514
Surge Reverse Current BooST 1 100kX2 15MDSP C533
Protection Prevention L405 33MDSP 10u
DC/DC 22uH CLKoUT CN502 HOST_RDY
Converter 50M
AVR(33A) D[15] L13 D[15] CN503 /HINT GPSDET
3.27V D[14] L12 D[14] XF E14 A[0]
AVR(33M) 4.98V 1 R41 8 CN421 D[13] L11 D[13] GPIo0 F3 A[1]
1 R410 5 VoUT VIN 0 33A D[12] M14 D[12] GPIo1 E1 A[2]
5 VoUT VIN 4.7 VSS 2 Q 40 9 D[10] D[11] N12 D[11] GPIo2 E2 R541 /MCCSXCN A[3]
VSS 2 D405 CE 3 4 3 33A_2 C501 D[9] P12 L10 D[10] GPIo3 B3 CN540 100 A[5] A[4]
NC CE 3 DB2S310 4 NC 5 2 3.3V 0.1u D[8] N11 D[9] GPIo4 A3 CP504 A[6]
Discharge 4 R411 XC6209B332M-G IC406 6 1 D[7] P11 D[8] GPIo5 GPIo6 D5 MCSCKCN A[7]
IC401 3.31V E M 6 M 1 33A_2 D[6] M10 D[7] GPIo7 C4 MCDICN A[8]
XC6209B332M-G 47k DC Switch D[5] P10 D[6] GPIo8 D1 G5 100X2 A[9]
(33A_2) D[4] L9 D[5] GPIo9 H4 CP503 A[10]
. SBC2 D[3] M9 D[3] D[4] GPIo10 H5 A[11]
F 5 0 2 50MC D[2] P9 D[2] GPIo11 J3 A[12]
50MC 4.99V D[1] K8 D[1] GPIo12 M1 100kX4 FSDET A[13]
2.5A R423 2S A1 95 5A - F Q4 10 CN419 D[0] L8 D[0] GPIo13 M2 C536 A[15] A[14]
4.7k DC Switch(50MC) G3 H3 A[20] RTCINX2 B12 R536 0.1u R549 A[16]
2.3V SBC2 Q4 0 7 K1 A[19] RTCINX1 SCL A12 0 CP502 10k A[17]
F K 3 3 0 3 0 1 CN418 C502 P5 A[18] SDA H14 A[18]
DC Switch(50MC) 0.1u P7 A[17] DSP DN H13 D3 100kX2 A[19]
R412 R413 15M M8 A[16] DP D4 A[20]
10 10 K9 A[15] A[14] I C 50 2 PU C1 CN504
R:4.59V 1.5V C503 A[13] N3 A[13] AIN[3] E11 CP510 100kX2 D[0]
T:3.45V 0.1u A[12] P3 A[12] AIN[2] D12 D[1]
A[11] A[10] L4 A[11] AIN[1] D13 D[3] D[2]
AVR(15M) A[9] N4 P4 A[10] AIN[0] D14 C527 D[4]
Voltage Detector(BINT) IC408 A[8] L5 A[9] RCVDD_4 RDVDD_3 C12 0.1u D[5]
XC6205B152P-G CN417 A[7] N5 A[8] RDVDD_2 A14 D[6]
4 VSEN VIN A[6] L6 A[7] RDVDD_1 A13 B13 D[7]
3 D 33M A[5] M6 A[6] AVDD C14 D[8]
5 CD VSS 2 R 4 3 8 AVR(33GPS) 33GPS 33GPS A[4] P6 A[5] ADVDD F10 D[9]
. Vo U T 1 10 C504 A[3] K6 A[3] A[4] USBVDD D2 D[10]
IC402 4.43V 3.32V 0.1u A[2] K7 A[2] USBPLLVDD G11 C528 D[11]
XC6118C23CMR A[0] A[1] M7 A[1] CVDD_15 N8 0.1u D[13] D[12]
H11 L7 A[0] CVDD_14 N7 D[14]
3.26V IC407 R501 NC F2 A'[0] CVDD_13 CVDD_12 M11 C529 D[15]
NJM2878F4-33 22 A2 X2/CLKIN CVDD_11 M4 0.1u /WR
SB B1 VSS_1 CVDD_10 L14 L1 C530 /RD
C417 100p 13.2V 3.32V B9 VSS_2 CVDD_9 J11 PA
Q403 SB C505 B11 VSS_3 CVDD_8 J10 0.1u INAMT
MTM981400BF 10u C2 VSS_5 VSS_4 CVDD_7 J5 C531 CN425
8 AVR(80C) C 5 G1 0.1u /CS3
1 2 6 7 TA7808F-NQ IC1 RX:7.90V DC Switch(80T) . CN414 C506 /CS2
3 4 5 1 TX:7.89V 2 SA 1 95 5A - F Q 4 0 4 C507 10u /CS0
DC Switch(SB) IN OUT 80C 15MDSP 33MDSP /HRDY
RX:6.56V 2 80T 80T D 10u /HDS2
TX(25W):6.38V TX(5W):6.49V . DC Switch(80T) . R:0.0V DGND DGND TXD0
R421 Q411 R:0.0V T:7.79V RXD0
4.7k LTC014EEBFS8 T:3.29V RTS0
Over DC Supply R:0.0V CTS0
Protection . T:7.84V C 5 2 4 1 u TXD1
D 40 3 F503 80ANT TXD2 HOOK_RXD1
LTC014EEBFS8 Q401 . . . A[16] A[0] RXD2
RB520SM-30 375mA R 4 1 9 DC Switch(80ANT) Q4 05 R441 80T A[16] G4
LTC014EEBFS8 Q418 2 . 7 k LTC014EEBFS8 DC Switch(80ANT) . 2.7k A[15] G5 A16 VCC1 D6 R611
DC Switch(SB) DC Switch Q 4 1 2 A[15] A15 VSS1 D1 D 10k R685
. (80ANT) LTC014EEBFS8 G1 oE A15 D6 G6 DQ3 DQ1 C6 D[1] 10k
DC Switch 2 SA1 9 5 5 A-F Q 4 0 2 DSW R:3.29V D[9] G2 DQ9 A11 A[11] A[9] H1 A9 SRAM A5 A[5]
Protection) (Over DC Supply . AVR(50C) 50C T:0.0V G3 DQ11 A19 A[19] D5 A[10] H2 A10 IC 50 3 C4
IC404 5.0V 33M L 50 1 D[11] G4 A[20] D4 A[11] H3 NC1 C3 D[5]
R4 0 7 XC6209B502P-G 50C G5 VCC A20 D3 A[5] A[12] H4 A11 DQ5 C1 D[0]
D403,404 4 .7 k D[13] DQ13 A5 D2 A[1] A12 DQ0 B6
Reverse Current DC Switch(50R) 50R D[15] G6 DQ15 Flash Memory IC501 A1 D1 A[13] H5 A13 A7 B5 A[7]
Prevention 50R H1 VSS1 A14 A[14] A[14] H6 A14 A4 A[4]
R:4.75V H2 DQ1 A10 A[10] C6 B4 Reset
3.30V . T:0.0V D[1] H3 C5 BD5329FVE I C 5 0 4
Q41 7 D[3] H4 DQ3 A21 C4 A[18]
EM D 5 D[4] DQ4 A18 C3 A[6] GND 4 CT 3
R:1.72V T(25W):1.66V DC Switch(50CS) 50CS D[6] H5 DQ6 A6 C2 D[4] SUB
T(5W):1.68V 50CS H6 VSS2 A2 A[2] L505 R546 5 VDD 2 RST RST
4.89V D C1 VoUT 1 3.3V
Digital GND . 3.3V 0
. . . 50CS(SAVE) R503 D C537
C649 R682 R681 0 . . R680 E M D5 Q 4 0 8 R:3.3V 100k
0.01u 0 . C648 R678 0 T:0.0V 1000p /RST D
R683 R677 . 0.1u . 0
0 0 R679 C647
0 0.01u
D D D D
B-BUS B-BUS
B-BUS B-BUS B-BUS B-BUS
(MCLK) 3.3V . D703,704 .
18.432MHz FSX0 FSX0 D703 AF Detector . 2SC4738(GR)F Q 7 04
CLKX0 CLKX0 DA3S101F R775
I C 5 0 6 18.423MHz X 5 0 1 TC7SH08FU-F IC508 5.6k Q703,704
R 5 5 8 4 Q VSS L 7 7 - 3 0 1 5 - 0 5 1 INB MIC AGC
L 5 0 6 2 2 5 VDD XT 3 C542 oUTPUT 3 GND SCK1 2 INA VCC 5 1 INB VCC R568
6 XTN 2 0.01u 2 2 INA 5 0
INHN 1 4 VCC R567 3 GND oUTY 4 3 GND R569 .
SM 50 2 3 C N D H - G D VC 1 1k oUTY 4 0 R777
C 5 4 3 D AND Gate AND Gate . 10k .
R555 0 . 1 u CN523 I C 3 0 1 D704 Q703
1k Buffer AMP(Clock) /PCS TC7SH08FU-F D DA3S101F 2SA1832(GR)F
D . . MIC SUM . .
MIC C706 R707 R769 Q706
0.1u 10 1.8k 680k . . . . . . SSM3J15FS .
R556 A4 C765 R778 C774 R787 C782 C812 SSM3J15FS Q705
22 B4 XTALI E1 2 22p 27k 0.1u 1 2 k 0.1u 10u 10
NC A10 XTALo DGND2 E1 1 .
D A12 32I DGND1 E1 0 C565 0.1u
GPSDET B11 DSPCK DVDIo7 L 5 . C566 0.1u . (VREF)
A11 CKo USRCKI DVDIo6 DVDIo5 P6 . C567 0.1u C718 0.1u 1.65V
H18 ADD0 DVDIo4 P1 1 . C568 0.1u
J18 ADD1 DVDIo3 L14 C569 0.01u MOD SMF .
K18 ADD2 DVDIo2 H14 C570 . 1u . . . 1 . I C 7 0 3
L18 ADD3 DVDIo1 E1 3 E 7 C572 . 0.1u MOD R702 R709 R711 2 VDD 8 R773 B U 7 4 6 2 N U X
N18 M18 ADD4 DVDD10 M 5 C573 . 0.1u 2.2k 100k 100k - + 7 0 . LPF(DI) MIC SUM AMP/
J17 ADD5 DVDD9 N 5 C574 . 0.1u 3 + - 6 C743
K17 ADD6 DVDD8 P 9 . C575 0.1u DC Switch(System) 4 VSS
M17 ADD7 DVDD7 P1 0 C576 . 0.1u Q5 0 1 5 . 47p . . .
N17 ADD8 ADD9 DVDD6 DVDD5 N 1 4 . C577 0.01u FK330301 VCO MOD/VREF . R748 R751 R756 C784
P17 ADD10 DVDD4 M14 C578 1u I C 7 0 1 100k 100k 1k 10u
K16 ADD11 DVDD3 G 1 4 . B U 7 46 2 N UX
L16 ADD12 DVDD2 F 1 4 L 5 1 0 D D DI
M16 ADD13 DVDD1 E 8 E 9 D /H_L
P16 J15 ADD14 GPIo11 B 5 SBC
K15 ADD15 GPIo10 C6 /SAVE ASTSW
M15 ADD16 GPIo9 B 6
N15 ADD17 GPIo8 A 6 BUCNT2
P15 ADD19 ADD18 GPIo7 GPIo6 U 8 BUCNT1
J16 ADD20 GPIo5 R 8
H15 ADD21 GPIo4 R 7 MKEYO Reverse
G17 DT0 GPIo3 V1 0 T 7 MKEYI Current Prevention
H16 DT1 GPIo2 U9 EMG
F18 G15 DT2 ASIC ASIC GPIo1 V9 /INT15P /OVRB
F17 DT3 I C 5 0 7 IC507 GPIo0 T9 /IGN
G16 DT4 SIMRST C11 POWER ASQ
E18 DT5 SIMCK D12 /BINT . .
E17 DT7 DT6 SIMDT SYMTIM C12 /SYMTIM ASQDET R722 R741
F16 DT8 FSDET R5 FSDET 100k . . 47 . CN701
D18 DT9 TXRVE R6 TXC C723 R738 . 1SS422 D702 .
D17 DT10 TRAMP R2 P3 DSW 47p 10k C741 R750
B15 DT11 TMoD P2 GLED 39k
D16 C15 DT12 PSTPA M4 R 5 9 9 33M RLED . 0.22u
D15 DT13 PSTIF R1 1 0 0 k MM C732 Noise
E15 DT14 PSTPLL N3 MM2 . 1000p Detector
A15 DT15 RXRVE N2 /T_R . Noise AMP
A16 READ WRITE RXSLT PSRRF P1 RXC B U 7 2 4 2 N U X I C 7 0 5 Q702
B14 BHE PSRIF L4 HSW . . SQL Noise . BRF/Buffer AMP(SQ) KTC4075E(Y,GR)
C14 BLE PSRPLL M2 GPSC C702 C705 BW Switch C716 .
A13 CS4 RSSIT M3 /DWUP 1000p 47p 100p . R720
D13 CS3 VFRM N1 D8 /DINT C719 330k
C13 B13 CS2 VoINT D7 C579 0.01u .
A14 CS1 MCo2 C7 M_MODEL PCB_VER C580 0.01u Q701 100p 33A_2
B12 CS0 MCCS2 D10 D FK330301
D14 HRADY MCCK2 C8 DSP_ST DEO Buff
R18 HDS2 MCCR1 D9 /MCCSXCN
T18 RXD0 TXD0 MCo1 MCCX1 B7 HOST_RDY 1
R16 RTS0 MCI1 C9 MCDICN . . 2 VDD 8 . . .
R15 CTS0 MCCK1 B8 A7 MCSCKCN - + 7 C733
U15 TXD1 MCCS0 B10 MCDOAF /MCCSAF ASQAPC R701 R706 3 + - 6 R724 R730 .
T15 V15 RXD1 MCo0 B9 MCDIAF 10k 82k 4 VSS 47k 47k 4.7u R837
V14 TXD2 MCI0 D11 MCSCKAF . 5 5.6k
T14 RXD2 MCCK0 A8 I C 7 0 2
TXD3 R3 PLD BU7242NUX
. . LPF(APC/DMO) . .
C 5 5 8 BEEP R772 R776 C776 R783
0.1u D D 15k 10k
R552 4.7k C559 0.039u 150k
R553 4.7k D D 10u RX SUM AMP/LPF(RX AF) .
R581 R584 C680 IF_DET . . . IC711 . .
100k 4 7 k VOICE R826 C808 R827 RX SUM BU7462NUX C704 R703
R687 CN428 C560 3p 0 . 1 u 10k 0.068u 82k 1u 10 . 56k
10k DGND CN509 . R705
R559 C544 CN507 . 1 VDD 8 68k
3.9k C545 0.1u 100k RXAF C746 R754 2 - + .
R554 D D D R583 R580 3.3k 0.1u 56k 3 + - 7 R710
3.3k 10u 4 6 56k
VSS 5
.
C777 RXAF SMF
0.1u
B-BUS B-BUS
B-BUS B-BUS
✽ 1 X57-824X-XX A801 CN801 C809 C814 C815 C816 C820 C821 C822 C823 C824 C825 C826 D801 D802 L801 L802 L805 L806 R561 R802 R835 R839 R842 R843 R844 IC801
0-12 NX-820(G) E YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES
0-13 NX-820 E NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO
B-BUS B-BUS B-BUS
✽ 1 THP1
I C 7 1 4 CN802 CN803
. B-BUS
R561 Dual BUS Buffer .
0 TC7WH126FU-F I C 8 0 1
1.44V { 1.44V } 33C
MM2 . . Bias DC . 1.44V . 1.44V Bias DC D
SPAF R823 C806 R819 C797 5 A2 GND 4 TEMP L 1 .
12k 2.2k 6 Y1 C10 . 0.01u
. . . 1u . 0.22u . 7 G2 Y2 3 C11 0.01u
C791 PAAF R816 C796 R820 C798 33A 8 VCC A 1 2
10u 10 MI2 . . . G 1 1
Mute(MI2) . 12k 1u 2.2k 0.22u R811 C622 CP703 C826 0.1u
Mute(MI1) C790 10k . 0.01u GND1 VCC
1 0 u 10 . 2.7V . IC512 13 NC_1
INAMT R847 F 7 0 1 TC7WBD125AFK . 100kX4 GND2 oUTPUT 14
22k . . 1 oE1 R636 . 15 NC_2
R846 R813 2.5A I2CCK 2 A1 VCC 8 470k R839 X 1 . NC_3 PLL System .
PA . 1k oE2 7 10 L77-3073-05 C 3 L 2 R72 16 NC_4 I C 2
MM 22k SSM6N37FE Q709 I2CDT 3 B2 B 1 6 19 SCL Io1.2 1 2 0 . 0 1 u 4 . 7 u 1k 17 NC_5 SKY72310-362
4 GND A 2 5 20 S D A Io1.1 1 1 GPS Module 18 NC_6
Q708,709 21 V D D I/O Expander . Io1.0 .
AF Mute Switch . 22 I N T PCA9535BS I C 5 1 5 1 0 . 50C L 8 0 1 . . . . AVR(33C) . 3.3V .
Q708 . Leval Shift 23 A 1 VSS 9 C P 7 0 5 R 8 4 2 R843 C 8 2 1 50M R 8 2 5 33C NJM2878F4-33 I C 4 0 9 L 3
LTC014EEBFS8 J701 /INT15P Io0.7 8 0 0 18p
24 A 2 Io0.6 7 0
100kX2
D505-510
. Line Protection Over DC Supply Protection D801,802
CP704
DI
.
C P 7 0 6 100kX4 . 5 SBC2
R 6 6 4 R 6 6 7 F N C1
0 1 0 0 C634
100kX2 6 R668 100p
SDO0 F N C6
SCK0 . 9 4 7 0 C 6 3 5 DC/DC Converter D408,409 13.9V
/EVCS . SP2 S P 2 R662 R 6 6 9 1 0 0 p F N C2 D408 D409 R 4 3 5
C778 0 . 100 C636 D-Sub15 . DB2S310 DB2S310
. 1u 10 50MC R506 1 0 0 p 50 M C J501 150C
C779 100p . C637 6
1 1 0 1 1 1 80C R 4 2 9 R 4 3 1
R 6 5 9 R 6 7 0 100p F N C 3 7 0 0 DC/DC Converter Q415,416
7 0 100 C638 2 1 2 2SC4738(GR)F Q 4 1 5 Q 4 1 6
CN710 VoUT3 VoUT2 24 . 12 1 0 0 p SP2 3 8 2 SA 1 8 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 R 6 5 8 100p 9 4
10 VIN5 R2A20178NP IC712 VIN8 22 17 SB F2CNT . R 6 7 1 FNC4 14 10
11 VoUT5 21 DEO . 50MC 14 R660 0 13 100 C640 5
12 VoUT6 VoUT8 20 R796 C788 D A T O DA T O R634 100p DA T O 1 5 Q 4 1 4 E M D 9 20KHz 3.3V
VoUT7 19 0 4.7u 1 0 0 C641
D A T A I D A T A I DEO_AFO . 10 R 6 7 2 100p FNC5 B-BUS
4 7 0 C642
33M RXD_FNC2 R665 C N 3 0 2 150C
18 I C 5 1 4 DI_MI2 R 6 2 6 100p D A T A I
T C 7 W H 1 2 6 F U - F 7 15 1 0 0 . C 6 4 3 3.83V C 3 2 2
G1 1 F501 0 . 0 2 2 u S B L302 1 0 0 p .
A1 2 VCC 8 . C 6 4 4 G N D 560n R 3 0 6 R 3 1 5 C 3 1 6 L304 C 3 2 4 C 3 5 9
33A_2 . DI EMZ6.8N D 7 0 5 EMZ6.8N D706 CTS0 3 Y 2 G2 7 R666 1 0 0 p 330k 0 10p 5 6 n 3 3 p 0.01u
R797 Y1 6 R 3 0 3 C315 1 3
0 GND 4 A2 5 6 1k 0 . 0 1 u 2
19 RS-232C Driver Tripler Q 3 0 3 0.64V
C624 2 S C 5 1 0 8 ( Y ) F . 4.71V
/IGN /IGN /IGN 0.01u 9 R2oUT RXD C 3 3 0
D705,706 RXD0 Dual BUS Buffer 10 T2IN R2IN 8 TXD 9.9V 0. 1 u
MIC/RX Selector(BINT) . Line Protection RXD0 D 5 0 4 (FNC2/FUNC4) 11 T1IN T2oUT 7 DC Switch(Horn Alert)
I C 7 1 3 D B 2 S 3 1 0 V- 6 Q 5 0 2 .
T C 7 W 5 3 F K ( F ) Reverse 12 R1oUT C2- 5 C628 1 u 25 L T C 01 4 T E B F S 8 . L 7 2 - 1 0 1 7 - 0 5 .
5 50M Current Provention 13 R1IN C2+ 4 R657 R661 R643 C 3 0 7 R 3 0 8 IN o U T C 3 1 3 R 3 2 3 C327 . R 3 3 2 0
6 A GND 4 F34CNT 14 T1oUT C 6 2 9 1 u 25 4.7k 4 7 k 0 0.1u 0 0 . 1 u 0 . 0 . 1 u . C 3 3 2 0 . 1 u
CH1 VEE 3 15 GND C1- 3 C 6 3 0 1u 25 MTM981400BF Q 5 0 3 R 3 2 6 . C 3 3 3 0 . 1 u
7 CH0 INH 2 Dual BUS Buffer(FNC3/FUNC1) 50MC 16 VCC V+ 2 330 . C 3 3 4 0 . 1 u
8 VCC CoMMoN I C 5 1 3 C1+ 1 DC Switch (Horn Alert) . C 3 3 5 0 . 1 u
1 TC7WT126FU-F I C 5 1 6 9.9V C632 R641 CF1 .
. 1 G1 A D M 2 02 E A R NZ C627 1 0 0 0 p C326
C786 RTS0 2 A1 VCC 8 1u 25 0 1 0 p
0.1u 3 Y2 G2 7 RTS_FNC3
4 GND Y 1 6 .
MIC RX SEL A 2 5 R674
T X D 0 . 1M
C N 7 0 5 . R637
TXD_FNC1 . 1 k
TXD0 . D 5 1 3 R638 CN720 .
D512,513 Reverse DB2S310 1 k D_RXD2 DC Switch(IGN) Q 50 4
CN707 Current D512 Line Protection . L T C0 1 4T E B F S 8 IF_DET
Prevention DB2S310 D 6 0 1
DB2S310
S P - S P - SP- S P -
SP+ S P + SP+ S P +
MIC MIC MIC M I C
M E M E ME ME
B-BUS B-BUS B-BUS B-BUS
THP1 THP1 THP1 THP1
2.6V:25℃
. C47 4p TX Power Module
C31 R41 L 2 0 C49 R46 VCO . . I C 1 0 2
FIN FIN R80 R83 . E 2 3 -1 2 7 8 - 0 5 TH1 RA60H40471101
4 7 p 0 1 2 n 1 0 p 33 . 0 0 . C N1 4 C N 1 0 CN11
R:3.92V R81 R 8 4 R87
RX VCO L 2 4 T:0.93V R58 0 0 0
MCH3914(8)-H Q 5 220n
RX VCO RX VCO Assist Tune C66 R:1.26V 10 Q10,11 C N1 5 C N 1 2 R:13.2V T(25W):12.7V
Frequency Control D 7 RX VCO 7 p T:0.0V Buffer AMP TX Pre-Drive AMP . T(5W):13.0V
R40 L6 C 5 0 1SV282-F C59 L 1 8 C74 R:4.41V 2SC3356-A(R24) Q1 0 1 C 1 0 9 R103 C104 TX Drive AMP R122 13dBm
. . . 0 10u 150p 24p 8 T 0.5p Q 1 0 Q11 T:4.41V 22 Q102 1 2 . . (32dBm:Lo-Pow)
CPout R19 R20 R 2 4 L5 RX VCO D9,10 2SC5108(Y)F 2SC5108(Y)F C89 L121 6 p 470p 2SC3357-A C119 R188 L 1 0 6 R123 C136 L115
6 0 0 3 9 0 Assist Tune T:0.69V R:0.69V R61 C81 C84 R:1.04V 6 p D 1 7 15n 6p 1 2 1 8 n 12 4 7 0 p
VCCcp 5 . . 150k 7 p 3 p T:1.04V RKS151KJ R:0.0V T(25W):2.8V
LD/PS 4 C20 C25 R:0.0V R:3.71V D16,17 T(5W):2.3V
Fin 3 T:3.9V T:3.71V T/R Switch 1.4dBm
Fin 100p . 100p R36 L 4 0 L 2 1 R50
VCC 2 R10 . 0 TX VCO 220n 10
1 . 10 R14 TX VCO Frequency Control TX VCO MCH3914(8)-H Q6 C69
C22 4 7 k R35 L 7 C51 TX VCO Assist Tune C71 L 1 7 6 p C76
0. 1 u . . 0 1 0 u D 8 1 8 p 7T 0 . 5 p L 2 6
C23 C26 270p 1SV282-F R:0.0V
. 100p 100p Over Voltage Protection T:1.15V L103
. C16 100p
. C17 100p . DC Switch DC Switch
. C18 100p (Assist) . (Assist)
C19 100p 2SJ648-A Q2 Q1 R34 L 4 1 FM Modulation Q8,9 R:0.0V
LTC014EEBFS8 D11,12 T/R VCO Switch +B T:7.8V
0 Assist Tune TX VCO R:3.3V T:0.0V SSM3J15FS Q9 80T R:0.0V
T:7.8V
. .
R28 VCO MOD . . 4 EM6M1 3 80T .
1 0 M C55 R49 R52 5 2 C145 R 1 3 8 1 0 k .
1u 6.3 4 7 k 470k 6 1 T: R: 1.47V 0V . I C 1 0 3
Transient D 1 0 2 0 . 1 u NJM12904RB1
Q 8 Voltage limiter DA3S101F . 1
. L 1 9 R56 MP R 1 3 0 . 2 V+ 8
0 CV BD7542FVM I C 3 DC Switch(50C) 1 5 k R131 3 - + 7 .
. 0 Q1 0 6 + - 6 R 1 4 9
R13 . 1 o U T 1 50CS T:4.05V R:4.02V E M D 5 1 0 k 4 GND 5
4 7 k R17 2 VDD 8 R T(25W) : 1.9V : 0.0V . 1 0 k
1 0 0 k 3 - + 7 . Ripple Filter Q 4 T(5W) : 1.5V C155 470p
4 V SS + - 6 ASSIST R 2 6 2SC5383-T111 OP AMP(APC)
. 5 1 k Speed up D14 R:4.71V T:4.73V T(25W):0.0V R:0.0V .
. C28 100p D A 2 S 1 0 1 T(5W)3.3V . R 1 4 1
C30 1u 25 R 1 3 7 33k
.
DC AMP(CV/Assist) 100k FK330301 Q 10 5 DC Switch (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 1 8n 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 4.7k 1 p 2p LNA R: 0V
CN304 . 4.77V Q2 0 2 T:0.80V
FM System . R218 C251 NESG240034
I C 3 0 3 0 7p C 2 6 3 R 2 9 0 C 2 5 4 C 2 9 1 C289 C297 C296 L228
T K 1 09 3 1 V T L - G . . 1 0 p 0 4p 2 p 100p 100p 1 8 p 2. 7 n
1 OSC<B> C 3 4 7 C371 R 3 5 5 C367 XF1 BPF 1.53V
2 OSC<E> RFin 24 0.01u . 0.01u 0 0.01u 0.93V L71-0678-05 D201-203,205
GND 2 3 C 3 4 5 0 . 1 u . C361 R394 L312 L315 L316 C360 L203 270n RX BPF Tune
3 MIXo COMPo 2 2 0.01u 1 8 0 150n 4 1 3 9 0 n 180n 0.01u fL : 2.86V
4 VCC COMPi 21 R 3 4 2 100k 1st IF AMP fH : 10.17V fC : 6.66V D204,206 RX BPF Tune
5 AMIFi . Q 3 05 R 2 0 3 RX 1st Mixer C 2 1 6
6 AMIFdecp NAMPo 20 . R345 2SC4215-F(Y) 6 8 0 Q 2 0 1 3 S K 3 1 8 .
7 FMIFi NAMPi 19 C 3 4 2 1 u . 0 3.30V 470p R 2 3 0 .
AGC 18 R344 DC AMP(RSSI) 0 R 2 5 7
8 FMIFdecp1 AGCAMPo 17 IC304
9 FMIFdecp2 RFAGCo 16 2 . 7 k BU7445HFV 1 oUT1 VDD 8 100k fL : 1.52V
10 LIMo R 3 5 0 1 I N + 2 - + 7 fH : 8.92V fC : 5.41V
11 QUADi RSSIo 15 . 1 0 k R 3 5 8 2 VSS VDD 5 3 13.9V
12 FMDETo AMSW 14 R 3 4 3 3 3 k 3 I N - 150C 150C 4 VSS + - 6
AMDETo 13 2 2 k oUT 4 5
.
C239
C351 . 0 . 1u
100p C 2 4 0
. CN303 1u
. C F 2 . . CN306 DC AMP(BPF) .
C 3 3 7 L 7 2 - 1 0 4 0 - 0 5 R337 C 3 4 3 I C 2 0 1
oUT IN B D 7 5 4 2 F V M
0.1u 1k 0.1u
G N D
SP- S P - S P - S P -
S P + SP+ SP+ S P +
MIC MIC MIC M I C
ME M E M E ME
B-BUS B-BUS B-BUS B-BUS
DISPLAY UNIT (X54-3830-10)
D 1 1-21,24 LCD
LCD BACKLIGHT
D11 D15 D 1 9
R 3 4
270
. D 1 2 D16 D 2 0 2.07V
R2 R35
D110,111 COUPPLER 270
Antenna Switch 0
D 1 1 0 D13 D17 D 2 1
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
L407CDB 1 0 0 p 0 R37 R 2 8
Reverse Power 270 1 2 0
Q 8
R:0.0V B30-2337-05 KTC4075E(Y,GR)
T:1.6V
LCD BACKLIGHT SWITCH
.
CN514
SB . 1 S B SWITCH KEY BACKLIGHT 9.72V
C 6 2 1 5.0V
1000p 2 S B INT SP Q 9
3 QST7 D5-9
S P - SP+ 12.93V KEY BACKLIGHT
4 3.77V
S P - SP- D 5 D8
D104,105 5 R 2 4
TH2 2.6V:25℃ TX Power Detection SDO0 S P + KTC4075E(Y,GR)
Over Voltage LCDCS . 6 S P + R42 Q11 B3 0 - 2 3 3 7 -0 5 B 3 0 - 2 3 3 7 - 0 5 3.3k
Protection SCK0 C620 100p 2.7k 3.77V
D106 . 7 BLC HOOK:4.96V D 6 D9 R25
D Z 2 J0 5 6( M ) C165 C158 BLC . C618 100p 8 SB:13.53V PTT:4.62V KEY BACKLIGHT
4 7 0 p 470p MBL C617 100p M B L J 1 MBL:5.00V 4.82V SWITCH CONTROL B 3 0 - 2 3 3 7 - 0 5 B3 0 - 2 3 3 7 -0 5 3.3k
R T(25W) : 2.1V : 0V . . 9 DM D7 1.89V
T(5W) : 0.8V CP515 C616 100p R L E D HOOK R26
. 10 MIC
Reverse C615 100p G L E D ME 4.62V B 3 0 -2 3 3 7 -0 5 4.7k
Current Prevention BLED 100X2 . 11 B L E D MIC PTT D1 D2
R 1 5 8 R152 D103 5V_TXD2 . C614 100p GND SURGE VOLTAGE
3 3 k 1 k RKS151KJ C661 12 G N D SB PROTECTION PROTECTION
CN530 13 MBL R12
47p G N D 5.0V 1 0 0 B C KMO1
5V_TXD2 14 13.5V
Over DC D112-114 G N D
Supply Protection . 15 D2
Antenna Switch BUS Buffer . C 6 1 3 E M G D A 3 S1 0 1 F S A
I C 5 1 1 0 . 0 1 u 16 G N D KMO2
TC74VHCT244AFK
17 N C CN1
D 1 0 8 50C EMG . 1 SB
RB520SM-30 GLED . . C612 100p 18 5 0 C KMO3
D109 RLED C 6 5 2 CP516 . 19 2 SB
0. 1 u C611 47p L C D D I 3 SP-
RB520SM-30 D108,109 TXD2 . 20
Over DC Supply Protection C610 47p L C D C E 4
100X4 . . 21 L C D C L 5 SP+
C609 47p 6 5.0V
R 6 1 7 22 L C D D O R 7
0 7 BLC D26
SDI0 23 G N D 8 MBL 0 R 1 7 KMO2 KMO1
24 9 RLED 0 KMO3
. G N D
BUCNT1 R616 . 25 1 0 GLED H N 2 S 0 3 F E
TXD1 470k C607 100p MIC 11 BLED
. 26 ME
R614 0 1 2 GND
. 27 HOOK 13 GND KMI1 49 KI1
Dual BUS Buffer . . C605 100p 1 4 GND KMI2 50
TC7WT126FU-F IC716 C604 1000p 28 PTT R5 KI2
. 29 15 EMG KMI3 51 KI3
MKEYO C603 100p M K E Y 1 6 GND 1 k 52 KI4
BUCNT2 . 30 17 NC 5.0V 53
/PTT Reverse Current Prevention . C 6 0 2 0.01u POWER L 1 KI5
D511 . 1 8 50C 50C 54 VDD
DB2S310 C651 19 LCDDI 55 LCD DRIVER
. 2 0 LCDCE C P 1 56 V L C D
R684 0 .1 u VLCD1 IC1
HOOK_RXD1 4 7 k 21 LCDCL R 2 R3 R4 57 VLCD2 LC75857W-E
2 2 LCDDO 58
33M 1 0 0 X4 10k 1 0 k 1 0 k VSS
23 GND B30-2321-05 59 T ES T
Dual BUS Buffer 2 4 GND D 2 2 R:0V T:4.95V T:0V R:4.95V 60 oSC
(HOOK/MKEY) . 25 MIC 61
I C 5 0 9 LED OFF:0V LED ON:2.26V R:5.0V T:1.81V R:2.13V T:5.0V Do
. TC7WH126FU-F . . 2 6 ME 62 CE
SP- S P - Reverse D 5 0 2 R 6 1 5 R610 27 HOOK R 3 8 R 3 9 63
SP+ SP+ Prevention Current . . 2 8 PTT 4.7k 4.7k 64 CL
MIC MIC DB2S310 4 . 7k R 6 1 3 C650 470k K T C 4 0 7 5 E (Y ,G R ) Q3 K T C 4 0 7 5 E ( Y , G R ) Q 6 Q3 DI
ME ME MKEYI 1 0 k 0 .1 u 29 MKEY LED OFF:0V R:0V R:2.06V TX LED
POWER 3 0 POWER LED ON:5.0V T:1.76V T:0V SWITCH
POWER Q 1 0 D 2 3
B-BUS B-BUS 3.27V LTC014EEBFS8 B30-2151-05 Q6
TX LED TX/BUSY BUSY LED
SWITCH CONTROL D 2 2 INDICATION SWITCH
INDICATION
(BLUE)
S 3 2 3 2
3 1
S 3 1
S 3 0 3 0
S 2 9 2 9
2 8
S 2 8
S 2 7 2 7
2 6
S 2 6 2 5
S 2 5
S 2 4 2 4
2 3
S 2 3 2 2
S 2 2
S 2 1 2 1
2 0
S 2 0
S 1 9 1 9
1 8
S 1 8 1 7
S 1 7