Kenwood NX-720H(G) Service Manual page 88

TX-RX UNIT(X57-8230-10)
B-BUS B-BUS B-BUS
FSX0
A-BUS CLKX0 A-BUS
D-BUS D-BUS
C-BUS C-BUS
R526 100k
CN423 R:13.6V
T:13.0V CP507 CP513 100kX4
+B +B +B 100kX4
DC/DC Converter(50M) D407
13.6V BATTERY -B DC/DC
4 SHDN Converter(50M) CN422
5 FB 3 5.02V CN541 CN542
L404 VIN GND 2 RB520SM-30 D407
Surge Reverse 6 SW BooST 1 50M 100kX2 CP514 15MDSP C533
Protection Prevention Current 10u
LT1616ES6-PBF IC405 L405 CN502
22uH CLKoUT
DC/DC D406 DGND
Converter CN503
D[15] L13 CN540
AVR(33A) D[14] L12 D[15] 33MDSP
CN421 D[13] L11 D[14] XF E14
AVR(33M) 4.98V 1 R418 0 D[12] M14 D[13] GPIo0 GPIo1 F3
5 VoUT VIN 3.3V 33A C501 D[11] N12 D[12] GPIo2 E1 R541 100 /MCCSXCN
VoUT VIN 1 R410 VSS 2 DC Switch(33A_2) 0.1u D[10] P12 D[11] GPIo3 E2
5 2 4.7 NC CE 3 33A_2 D[9] L10 D[10] GPIo4 B3 CP504 100X2 MCSCKCN
VSS 3 DB2S310 D405 4 4 3 D[8] N11 D[9] GPIo5 A3 MCDICN
Discharge NC 4 CE IC406 5 2 D[7] P11 D[8] GPIo6 D5
R411 XC6209B332M-G 6 1 33A_2 D[6] M10 D[7] GPIo7 C4
XC6209B332M-G IC401 47k 3.31V Q409 EM6M1 D[5] P10 D[6] GPIo8 G5 D1
D[4] L9 D[4] D[5] GPIo9 H4
. SBC2 D[3] M9 D[3] GPIo10 H5
F502 D[2] P9 D[2] GPIo11 J3 CP503 FSDET
50MC D[1] K8 D[1] GPIo12 M1 100kX4 C536
2.5A 4.99V D[0] L8 D[0] GPIo13 M2 R536 0.1u R549
DC Switch(50MC) R423 Q410 CN419 G3 A[20] RTCINX2 B12 0 10k
4.7k 2SA1955A-F C502 H3 A[19] RTCINX1 A12
2.3V Q407 DC Switch(50MC) 0.1u K1 A[18] SCL H14
R:4.59V FK330301 P5 A[17] SDA H13 CP502 100kX2
3.27V T:3.45V CN418 P7 A[16] DN D3
R412 R413 XC6205B152P-G IC408 AVR(15M) AVR(15M) 15M C503 M8 A[15] DP D4
10 10 A[13] K9 A[14] IC502 PU C1 CP510 100kX2
1.5V 0.1u A[12] N3 A[13] DSP AIN[3] E11
A[11] P3 A[12] AIN[2] D12
A[10] L4 A[11] AIN[1] D13
. A[9] N4 P4 A[10] AIN[0] D14 C527
A[8] L5 A[9] RCVDD_4 C12 0.1u
XC6118C23CMR IC402 CN417 A[7] N5 A[8] RDVDD_3 RDVDD_2 A14
A[6] L6 A[7] RDVDD_1 B13
4 VSEN VIN 3 D A[5] M6 A[6] AVDD A13
VSS 33M C504 A[4] P6 A[5] ADVDD C14
5 2 R438 AVR(33GPS) 33GPS 33GPS 0.1u A[3] K6 A[4] USBVDD F10
CD VoUT 1 10 A[2] K7 A[3] USBPLLVDD D2 C528
4.43V NJM2878F4-33 IC407 3.32V A[1] M7 A[2] CVDD_15 N8 G11
Voltage Detector(BINT) A[0] L7 A[1] CVDD_14 N7 0.1u
NC H11 A'[0] A[0] CVDD_13 M11 C529
3.26V R:13.6V T(50W):13.0V R501 F2 X2/CLKIN CVDD_12 M4
T( 5W ):5W 22 A2 VSS_1 CVDD_11 L14 0.1u
3.32V B1 VSS_2 CVDD_10 L1 C530
C417 100p SB C505 B9 VSS_3 CVDD_9 J11 0.1u
6.77V:Rx SB B11 VSS_4 CVDD_8 J10
6.5V:Tx Q403 10u C2 VSS_5 CVDD_7 J5 C531
~6.7V MTM981400BF 8 IC1 AVR(80C) CN414 C506 C5 G1 0.1u
1 7 TA7808F-NQ 7.9V 10u INAMT
2 3 6 5 1 DC Switch(80T) . 80C C507 15MDSP
4 IN OUT 2 Q404 2SA1955A-F 80T 80T 33MDSP
DC Switch(SB) 10u D
. DC Switch(80T) . T:7.8V R:0.0V
R421 Q411 DGND DGND
Over DC 4.7k LTC014EEBFS8 R:0.0V
Protection Supply R:0.0V T:3.3V
Reverse D403,404 D403 . . T:7.8V C524 1u
Current Prevention RB520SM-30 F503 2SA1955A-F Q402 80ANT
. . A[16]
1.7V 250mA R419 DC Switch(80ANT) Q405 . A[0] A[16] G4
Q418 2.7k LTC014EEBFS8 R441 2.7k 80T A16 VCC1 D6
LTC014EEBFS8 (80ANT) DC Switch . G1 A[15] A[15] G5 A15 VSS1
DC Switch(SB) DC Switch(80ANT) D[9] G2 oE A15 D6 A[11] G6 DQ3 DQ1 D1 D[1] D
Q401 Q412 LTC014EEBFS8 T:0.0V R:3.3V DQ9 A11 D5 A[9] H1 C6 A[5]
DC Switch LTC014EEBFS8 . AVR(50C) D[11] G3 DQ11 A19 A[19] A[10] A9 A5 C4
(Over DC Supply IC404 5.0V 50C 33M L501 G4 VCC A20 D4 A[20] H2 A10 IC503 NC1 C3
Protection) SBC2 R407 XC6209B502P-G 50C D[13] G5 D3 A[5] A[11] H3 A11 SRAM DQ5 D[5]
4.7k . D[15] G6 DQ13 IC501 A5 D2 A[1] A[12] H4 C1 D[0]
DC Switch(50R) Q417 50R R:4.75V T:0.0V DQ15 Flash Memory A1 D1 A[13] H5 A12 DQ0 B6 A[7]
3.30V EMD5 50R H1 VSS1 A14 A[14] A13 A7 B5 A[4] Reset
R:3.3V D[1] H2 C6 A[10] A[14] H6 A14 A4 BD5329FVE IC504
T:0.0V D[3] H3 DQ1 A10 C5 B4
Digital GND . DQ3 A21 C4 4 GND CT
R681 0 D[4] H4 DQ4 A18 A[18] D[4] 3
. D[6] H5 DQ6 A6 C3 A[6] 5 SUB 2
C648 H6 C2 A[2] VDD VoUT 1
. R683 0.1u . . CN411 4.89V D VSS2 A2 C1 L505 R546 RST RST
0 R682 . R679 EMD5 Q408 0
0 R680 0 50CS R503
. . 0 100k D C537 3.3V
R677 R678 3.3V 1000p D
0 . 0
C647 DC Switch(50CS)
0.01u X2/CLKIN X2/CLKIN X2/CLKIN
D D
B-BUS B-BUS B-BUS
B-BUS B-BUS B-BUS B-BUS B-BUS
FSX0 FSX0 FSX0
A-BUS CLKX0 CLKX0 CLKX0
D-BUS .
C-BUS D703
L506 C543 0.1u D703,704 DA3S101F .
IC508 AF Detector
IC506 18.423MHz X501 AND Gate TC7SH08FU-F
(MCLK) 4 Q VSS L77-3015-05 IC301 1 INB R568
18.432MHz 3.3V 5 VDD XT 3 C542 3 oUTPUT GND R567 BSHIFT TC7SH08FU-F 2 INA VCC 5 0
R555 6 2 0.01u 2 1k 1 INB .
1k XTN INHN 1 VCC 5 GND 3 R569 MIC2 D704
SM5023CNDH-G D 4 VCC VC 1 2 INA oUTY 4 0 DA3S101F .
CN523 3 GND AND Gate
Buffer AMP(Clock) oUTY 4
D D . . .
D C706 R707 MIC2 MIC2 MIC SUM R769
0.1u 1.8k . .
10 680k C765 R778
R556 A4 XTALI .
22 B4 E12 C718 22p 27k
NC A10 XTALo DGND2 E11 . . 0.1u
D A12 32I DGND1 E10 C565 0.1u IC701
GPSDET B11 DSPCK DVDIo7 L5 C566 . 0.1u MOD SMF BU7462NUX
/HINT A11 CKo DVDIo6 P6 . C567 0.1u 1 8 (VREF) . 1.65V
A[0] H18 USRCKI DVDIo5 P11 C568 . 0.1u . . . VDD
A[1] J18 ADD0 DVDIo4 L14 C569 0.01u MOD R702 R709 R711 2 - + 7 R773
A[2] K18 ADD1 DVDIo3 H14 C570 1u 2.2k 100k 100k 3 + - 6 0
A[3] L18 ADD2 DVDIo2 E13 . 4 5 .
A[4] M18 ADD4 ADD3 DVDIo1 DVDD10 E7 C572 . 0.1u VSS C743
A[5] N18 ADD5 DVDD9 M5 C573 . 0.1u . 47p
A[6] J17 ADD6 DVDD8 N5 C574 . 0.1u VCO MOD/VREF R748
A[7] K17 ADD7 DVDD7 P9 C575 . 0.1u DC Switch(System) .
A[8] M17 ADD8 DVDD6 P10 . C576 0.1u FK330301 Q501 100k C735
A[9] N17 ADD9 DVDD5 N14 C577 . 0.01u 10u
A[10] P17 ADD10 DVDD4 M14 C578 1u
A[11] K16 ADD11 DVDD3 G14 . D .
A[12] L16 ADD12 DVDD2 F14 L510 D ASQDET . R722 100k
A[13] M16 ADD13 DVDD1 E9 C723 47p .
A[14] P16 ADD14 GPIo11 E8 D /H_L R738
A[15] J15 ADD15 GPIo10 C6 B5 /SAVE SBC
A[17] A[16] K15 ADD16 GPIo9 B6 ASTSW 10k
A[18] M15 N15 ADD17 GPIo8 A6
A[19] P15 ADD18 GPIo7 U8 BUCNT2 BRF/Buffer AMP(SQ) .
A[20] J16 ADD19 GPIo6 R8 BUCNT1 IC705
H15 ADD20 GPIo5 R7 MKEYO BU7242NUX T:0V R:4.75V .
D[0] CN504 G17 ADD21 GPIo4 T7 MKEYI . . R741
D[1] H16 DT0 GPIo3 V10 EMG C702 C705 47
D[2] G15 DT1 GPIo2 U9 /OVRB .
D[3] F18 DT2 IC507 GPIo1 V9 /INT15P 1000p 47p 100p . R720
D[4] F17 DT3 IC507 GPIo0 T9 /IGN C719 330k
D[5] G16 DT4 ASIC SIMRST C11 POWER . 3.3V
D[6] E18 DT5 ASIC SIMCK D12 /BINT FK330301 Q701 100p 33A_2
D[7] E17 DT7 DT6 SIMDT C12 /SYMTIM SQL Noise BW Switch .
D[8] F16 DT8 SYMTIM FSDET R5 FSDET C732 .
D[9] D18 DT9 TXRVE R6 TXC LPF 1000p Q702
D[10] D17 DT10 TRAMP R2 DSW 1 8 KTC4075E(Y,GR)
D[11] B15 DT11 TMoD P3 GLED VDD Noise AMP
D[12] D16 DT12 PSTPA P2 RLED . . 2 - + 7 . . .
D[13] C15 DT13 PSTIF M4 R599 33M ASQAPC R701 R706 3 + - 6 R724 R730 C733
D[14] D15 DT14 PSTPLL R1 100k MM 10k 82k 4 VSS 5 47k 47k 4.7u
D[15] E15 DT15 RXRVE N3 MM2 .
/WR A15 WRITE RXSLT N2 /T_R IC702
/RD A16 READ PSRRF P1 RXC BU7242NUX
PA B14 BHE PSRIF L4 HSW
C14 BLE PSRPLL M2 M3 GPSC
/CS3 CN425 A13 D13 CS4 RSSIT N1 /DWUP
/CS2 C13 CS3 VFRM D8 /DINT
B13 CS2 VoINT D7 C579 0.01u
/CS0 A14 CS1 MCo2 C7 C580 0.01u
/HRDY B12 CS0 MCCS2 D10 PCB_VER . . .
/HDS2 D14 HRADY MCCK2 C8 DSP_ST D BEEP R772 C776 R783
TXD0 R18 HDS2 MCCR1 D9 /MCCSXCN 15k 10k 0.039u 150k
RXD0 T18 TXD0 MCCX1 B7 HOST_RDY
CN426 RTS0 R16 RXD0 MCo1 C9 MCDICN . .
CN427 CTS0 R15 RTS0 MCI1 B8 MCSCKCN . RX SUM
TXD1 U15 CTS0 MCCK1 A7 /MCCSAF VOICE R826 C808 R827 AMP/LPF(RX AF)
HOOK_RXD1 T15 TXD1 MCCS0 B10 MCDOAF 10k 0.068u 82k
TXD2 V15 RXD1 TXD2 MCo0 B9 MCDIAF BU7462NUX
RXD2 V14 RXD2 MCI0 MCCK0 D11 MCSCKAF
R611 T14 TXD3 A8 PLD . . 1
10k R3 RXAF C746 R754 2 -
R685 0.1u 56k 3
10k C558 D D 4
R552 4.7k 0.1u VSS
C559
R553 4.7k D D R581 10u R584 C680 IF_DET
100k 47k 0.1u
R687
10k C544 CN507 CN428 CN509 C560 3p
R559 DGND R583
3.9k C545 0.1u 100k
R554 D R580
3.3k 10u D D 3.3k
B-BUS B-BUS B-BUS B-BUS
✽ 1 X57-823X-XX A801 CN801 C809 C814 C815 C816 C820 C821 C822 C823 C824 C825 C826 L802 R802 R835 R839 R842 R843 R844 IC801
0-10 NX-720H(G) K YES YES YES YES YES YES YES YES YES YES YES YES YES D801 D802 YES YES L801 YES YES L805 L806 YES YES R561 YES YES YES YES YES YES YES YES
0-11 NX-720H K 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
. AF AMP . THP1
Q704 Q703,704 ✽ 1
2SC4738(GR)F MIC AGC IC714 R561
R775 B-BUS 0 /T_R
5.6k D
TEMP L1
. . 6.5V
C806 AC 1.44V 6.3V Bias AC . Dual BUS Buffer
SPAF R823 Bias 1.44V . IC801
12k 1u . TC7WH126FU-F
R777 R819 C797 5 A2
10k . . . . . 2.2k 0.22u . R811 GND 4 GND1 VCC
2SA1832(GR)F Q703 C791 MI2 R816 C796 R820 C798 . 10k 6 Y1 Y2 3
. 10u 10 12k 1u F701 7 G2
. . . . Mute(MI2) Q706 . PAAF . 2.2k 0.22u SB 8 VCC 33A A1 2 GND2 oUTPUT
C774 R787 C782 C812 SSM3J15FS C790 SSM6N37FE Q709 . 2.7V 2.5A . G1 1 X1
MI1 . R813 . CP703 . L77-3073-05 C3
0.1u 12k 0.1u 10u 10 10u 10 R847 1k C622 R839 0.01u
. Mute(MI1) 22k . . 0.01u 10
SSM3J15FS Q705 . J701 TC7WBD125AFK IC512
R846 . 100kX4 .
MIC SUM AMP/LPF(DI) . 22k . 1 oE1 R636 470k . IC409 AVR(33C)
IC703 Q708,709 Q708 I2CCK 2 A1 VCC 8 GPS Module 50M R825 NJM2878F4-33
BU7462NUX AF Mute Switch LTC014EEBFS8 I2CDT 3 B2 oE2 7 19 F34CNT 0
B1 6 SCL Io1.2 12
4 GND A2 5 20 SDA Io1.1 11 F2CNT
21 VDD I/O Expander . Io1.0 F1CNT
. . . Leval Shift 22 PCA9535BS IC515 10 . Line Protection
R751 R756 C784 INT VSS 9 50C D505-510
100k 23 A1 Io0.7 8 CP705
1k 10u GPSC GPSC 24 A2 Io0.6 . D801,802 .
33A_2 /INT15P 7 100kX2 L801 Over DC Supply Protection . . . CN801
SDO0 R842 R843 C821
. SCK0 . 0 0 18p SBC2
C778 /EVCS CP704
. 1u 10
C779 100p
Reverse 100kX4 . .
Current Prevention CP706 . J501
7 R664 R667 FNC1 6
CN710 VoUT3 VoUT2 24 0 100 C634 1
VoUT4 8 VoUT1 23 100kX2 5 R668 100p 11 7 80C R429 R431
VIN4 9 D/A Converter . VIN1 FNC6 12 2 0
10 VIN5 R2A20178NP IC712 22 17 . 9 470 C635 8 0 DC/DC Converter
Noise Detector . ASQ 11 VIN8 21 DEO . R662 R669 100p FNC2 13 3 Q415
D702 . VoUT5 VoUT8 20 R796 C788 0 . 100 C636 9 2SC4738(GR)F
. 1SS422 R750 39k 12 VoUT6 VoUT7 19 DATO DATO 100p 14 4
C741 0 4.7u 50MC R506 50MC 5 10
0.22u /IGN /IGN . 0 C637 15
20 R659 11 R670 100p FNC3
18 DATAI DATAI 100 C638 DC Switch(150C)
0 EMD9 Q414
SP2 SP2 12 . 100p SP2
F1CNT 7 R663 . 13 C639
F34CNT R658 R671 100p FNC4
F2CNT SB . 100 C640
19 14 R660 0
. DI D705 D706 50MC R634 100p DATO
R797 EMZ6.8N EMZ6.8N 100 C641
0 Dual BUS Buffer RXD_FNC2 10 R672 100p
33M . FNC5
TC7WH126FU-F IC514 R665 470 C642 L302
R626 100p DATAI 3.80V
D705,706 1 G1 . 100 C643 560n
Line Protection 2 A1 VCC 8 F501 0.022u R303 C315
CTS0 3 Y2 G2 7 SB
. Y1 6 . C644 1k 0.01u
R837 GND 4 A2 5 R666 100p 0.64V
3.3V 5.6k 6
C624 RS-232C Driver
0.01u ADM202EARNZ IC516 DC Switch(Horn Alert) .
. . Reverse D512,513 RXD0 D504 R657 R661 R643 3 .
. C704 R703 MIC/RX Selector(BINT) . Current Prevention 9 R2oUT R2IN 8 RXD 4.7k 47k 0 C307
1u 10 IC713 . DB2S310 10 T2IN T2oUT TXD Q502 0.1u
IC711 . TC7W53FK(F) . R637 1k RXD0 Reverse Current Prevention RTS_FNC3 11 7
8 R705 . Dual BUS Buffer 12 T1IN V- 6 MTM981400BF Q503
VDD 68k 5 A GND 4 D513 R638 1k CN720 50M R1oUT C2- 5 C628 1u 25 .
+ 7 . 6 CH1 VEE 3 DB2S310 D_RXD2 IC513 13 R1IN C2+ 4 LTC014TEBFS8 1000p R641
6 R710 7 2 . Line Protection F34CNT TC7WT126FU-F 14 T1oUT C1- C629 1u 25 DC Switch(Horn Alert) C632 1 0 .
+ - 5 56k 8 CH0 INH 1 D512 G1 1 8 15 3 C630 1u 25 IF_DET C337
VCC CoMMoN DB2S310 RTS0 A1 2 VCC 7 50MC 16 GND V+ 2
. CN707 3 G2 6 VCC C1+ 1 9.9V . 0.1u
. C786 Y2 Y1 DC Switch(IGN) Q504 .
C777 GND 4 5 LTC014TEBFS8 R674
0.1u 0.1u A2 C627 1M
1u 25
CN705 -9.9V
TXD_FNC1
TXD0
SP+ SP+ SP+ SP+
SP- SP- SP-
SP-
MIC MIC MIC MIC MIC
ME ME ME ME
B-BUS B-BUS
POWER POWER
THP1 THP1 R80 R86
50C 50C R50 0 0
56 R81 R87
/T_R /T_R 0 0
. 33C 33C T:4.62V R:4.61V R82 R88
3.31V C31 FIN FIN C37 C43 C50 C60 0 0 R83
. 100p 8p 100p 7p 4p 0
. C10 0.01u Q5 Buffer AMP R:2.9V THP1
C11 0.01u L4 2SC5108(Y)F (PLL Fin) T:2.82V THP1
10n R:2.7V T:2.49V
. . .
13 6 R19 R20 R24 L5
14 NC_1 CPout 5 0 0 390 R34 PLL f-in BPF Tune PLL f-in BPF Tune
NC_2 . VCCcp 1.8k RX VCO T:0V R:4.00V Buffer AMP R:3.56V R:0.03V
. 15 NC_3 IC2 LD/PS 4 . . RX VCO Q6 R58 R:3.79V R:1.56V Q11 T:3.76V D17 T:3.22V Drive:2.6dBm
L2 R72 16 NC_4 SKY72310-362 Fin 3 C20 C24 Frequency Control RX VCO Assist Tune MCH3914(7)-H 22 T:3.76V T:1.35V 2SC5108(Y)F C89 RKS151KJ C101 L130 R103 C104 C119
4.7u 1k 17 PLL System 2 100p . . 0.1u R37 L6 C44 D7 C55 RX VCO R:0.86V R:0.72V R61 C81 C84 15p R:2.01V 1000p 56n 0 1000p TX Drive AMP
NC_5 Fin R10 C25 0 10u 100p 1SV282-F 39p T:0V T:0.68V 150k 22p 15p T:2.48V Q102
18 NC_6 VCC 1 C77 R:1.21V D16,17 2SC3357-A
. 10 100p . 0.5p T:1.97V T/R Switch
3.3V . C22 R14 2SC5108(Y)F Q10
L3 . 0.1u 47k Buffer AMP
C23 . R:0V
. 100p C26 Protection Over Voltage R35 D9,10 T:3.9V L103
. C16 100p 100p 0 RX VCO Assist Tune TX VCO R57
C17 . 100p TX VCO Frequency Control TX VCO Assist Tune MCH3914(7)-H Q7 22 R:2.75V
C18 . 100p DC Switch (Assist) . R38 L7 C45 D8 C54 TX VCO L26 T:0V
C19 100p Q1 0 10u 330p 1SV282-F 180p R:0V T:1.08V
LTC014EEBFS8 C76
.
2SJ648-A Q2 0.5p DC Switch(50C)
DC Switch R:0V
(Assist) T:4.02V
. T/R VCO Switch
D408,409 R28 R36 FM R:4.08V
DC/DC Converter 10M 0 D11,12 Modulation Q8 Q9 T:0V EMD5 Q106
TX VCO . . EM6M1 3 SSM3J15FS 80T
D408 D409 R435 . Assist Tune C51 R44 4
DB2S310 DB2S310 13.9V 0 CV IC3 R52 5 2
150C . BD7542FVM 1u 27k 470k 6 1
R13 1 oUT1 T/R VCO
47k 2 VDD 8 Switch R:3.28V
100k - + 7 L19 R56 T:0V
3 + - 6 . 0
DC/DC Converter 4 VSS ASSIST R26 Ripple Filter R:4.09V
2SA1832(GR)F Q416 (CV/Assist) DC AMP . 5 1k T:4.06V
. C28 100p Q4
C30 1u 25 2SC5383-T111
150C Speed up R:4.76V
150C T:4.74V
20kHz 3.3V
B-BUS
B-BUS B-BUS B-BUS
L205
C322 CN302 33n L204 39n . .
100p . CN304 CN203 R204 C211 C213 C218 L220
C316 L304 C324 C359 4.51V 4.7k 3p 2p 270n
R306 R315 56n 6p 4.61V
330k 3 0 10p 33p 0.01u . R249 C254 L221
1 Tripler . FM System IC303 CN205 CN204 CN206 4.7k 12p 5.6n
2 Q303 C330 TK10931VTL-G . .
2SC5108(Y)F 0.1u 1 OSC<B> C347 C371 R355 C367 4.77V
RFin 24 0.01u 0.01u 0 0.01u BPF D202-207 . 4.60V
4.70V 2 OSC<E> GND 23 . 1st IF AMP C361 RX BPF Tune R259 C251 LNA
3 MIXo 22 C345 . 0.1u 2SC4215-F(Y) Q305 XF1 49.95MHz f L:2.28V Q202 1.36V
L72-1017-05 CF1 . 4 VCC COMPo R342 0.01u 0.96V L71-0678-05 L317 L319 fC:4.96V 0 5p NESG240034
R308 IN oUT C313 R323 C327 R332 0 5 AMIFi COMPi 21 100k R394 L301 C360 L203 . fH:8.93V
0 0.1u 0 0.1u . NAMPo 20 . . 180 150n 390n 180n 0.01u 270n Q201 C216 R223
. C332 . 0.1u 6 AMIFdecp NAMPi 19 C342 R345 R203 3SK318 1000p 0 . .
R326 . C333 0.1u 7 FMIFi 1u . 0 680 RX 1st Mixer C215 R230 . 150C R257
330 C334 . 0.1u 8 FMIFdecp1 AGC 18 R344 DC AMP(RSSI) 1000p 0 IC201 100k
. CN303 C335 0.1u 9 FMIFdecp2 AGCAMPo 17 2.7k BU7445HFV IC304 3.30V BD7542FVM 13.94V
CF2 . . . RFAGCo 16 1 oUT1
L72-1040-05 oUT IN R337 C343 C326 10p 10 LIMo RSSIo 15 R350 1 IN+ 5 VDD 8
11 QUADi . 10k R358 VSS 2 VDD 2 + - 7 f L:2.50V fC:3.58V
1k 0.1u 12 FMDETo AMSW 14 R343 33k 3 IN- 4 3 + 6 fH:5.21V
AMDETo 13 22k oUT 4 VSS -
5
150C 150C DC AMP(BPF)
C351 .
100p C239 . 0.1u
C240 1u
CN306
SP+ SP+ SP+ SP+
SP- SP- SP-
SP-
MIC MIC MIC MIC
ME ME ME ME
B-BUS B-BUS B-BUS B-BUS
POWER POWER POWER POWER
DISPLAY UNIT (X54-3830-10)
D 11-21,24
LCD BACKLIGHT
D11 D15 D19
R 3 4
CN14 CN10 CN11 270
D 1 2 D16 D 2 0 2.07V
TX Power Module R35
25℃ : 2.6V . IC102 C15 CN12 CN13 .
RA60H1317M1-123 R1 270
L105 0 D13 D17 D21
R 3 6 R 2 9
2 2 0
. COUPPLER 2 7 0
R:13.6V L407CDB D110
. 15dBm T:13.0V(45W) D14 D18 D24 R37 R 2 8
L104 R122 Antenna Switch D110,111 C177 Forward Power
33n L106 . 22 . (36dBm:5W) D111 100p . . 270 1 2 0
C121 39n (-92) R123 C136 L115 L407CDB C178 L116 L117 R171 ANT B30-2337-05 Q 8
27p 6p 22 470p R:0.0V 5T 100p 0 K T C 4 0 7 5 E ( Y ,G R )
T(50W):3.5V 3216 Reverse Power LCD BACKLIGHT
T(30W):3.0V T( 5W ):2.5V SWITCH
R:0.0V
T:1.6V .
3216 CN514 KEY BACKLIGHT
SideA 3216 SB . 1 SB SWITCH
C621 INT SP
2 SB Q 9
1000p SP+ QST7
3 SP- 12.93V
SP-
Over Voltage 4 SP-
Protection KTC4075E(Y,GR)
5 SP+ R42 Q11
LCDCS .
+B D104,105 6 SP+ 2.7k
R:0.0V R:0.0V TX Power Detection SCK0 . C620 100p PTT:4.62V HOOK:4.96V
T:7.8V T:7.8V SDO0 BLC C618 100p 7 BLC SB:13.53V KEY BACKLIGHT
80T D112-114 Over Voltage MBL . J 1 MBL:5.00V 4.82V SWITCH CONTROL
Antenna Switch Over DC Protection . C617 100p 8 MBL DM
. Supply Protection CP515 . 9 HOOK
. R138 D106 C616 100p RLED MIC 4.62V
Transient Voltage C145 . 10k 25℃ : 2.6V DZ2J056(M) 100X2 . 10 ME
. limiter 0.1u OP AMP(APC) IC103 C165 C158 C615 100p GLED MIC PTT D1
D102 DA3S101F NJM12904RB1 470p 470p BLED . 11 GND SURGE
. 1 5V_TXD2 . C614 100p BLED SB PROTECTION
MP R130 8 R:0.0V 12 MBL R12
. 2 - + 7 T(30W):2.3V T(50W):3.0V Current Prevention Reverse C661 GND 5.0V 1 0 0
27k R131 3 + - . T(5W):0.8V D103 5V_TXD2 47p 13 GND 13.5V
T(50W):2.7V R:0.0V 10k 4 6 R149 R158 R152 CN530
T(30W):2.2V . 5 10k 33k 1k RKS151KJ 14 GND D 2
T(5W):1.5V D A 3 S 1 0 1 F
C155 470p D108,109 BUS Buffer . . 15 EMG
DC Switch . Over DC IC511 C613 0.01u
. (H/L Power) . R141 Supply Protection TC74VHCT244AFK 16 GND CN1
FK330301 Q105 33k D108 1 SB
R137 100k 17 NC
R:(H:0.0V/L:3.3V) RB520SM-30 EMG 2 SB
T(5W):3.3V T(50W/25W):0.0V D109 50C . 18 50C 3 SP-
RB520SM-30 RLED GLED . C612 100p
. 47p 19 LCDDI 4
CP516 . C611 5 SP+
TXD2 C610 47p 20 LCDCE 6
5.0V
. 21 LCDCL 7 BLC R 7
100X4 R617 22 8 MBL 0
0 LCDDO
C258 C262 C233 C231 R:0V T:0.79V 23 9 RLED
1000p 6p 6p GND 1 0 GLED
15p SDI0 . 24 11 BLED
L232 L233 R616 GND
39n 39n TXD1 BUCNT1 . 25 MIC 1 2 GND
470k C607 100p 13 GND
. 26 ME GND
R614 0 1 4
Dual BUS . . 27 HOOK 15 EMG R5
D511 Buffer C605 100p 1 6 GND 1 k
Reverse TC7WT126FU-F IC716 . 28 PTT
Prevention Current C604 1000p 17 NC
. 29 MKEY 1 8 50C 50C L 1
MKEYO C603 100p 19 LCDDI
BUCNT2 . . 30 POWER CP1
/PTT D511 C602 0.01u 2 0 LCDCE
DB2S310 . 21 LCDCL
. C651 LCDDO
R684 0.1u 2 2 1 0 0 X4
47k 23 GND
HOOK_RXD1 2 4 GND B30-2321-05 R:4.95V
33M D 2 2 T:0V
25 MIC LED OFF:0V R:5.0V R:2.13V
2 6 ME LED ON:2.26V T:1.61V T:5.0V
27 HOOK R 3 8 R 3 9
SP+ SP+ Dual BUS Buffer . 4 . 7 k 4.7k
SP- SP- MKEYI IC509 2 8 PTT Q3 Q 6
MIC MIC TC7WH126FU-F 29 MKEY K T C 4 0 7 5 E ( Y , G R ) K T C 4 0 7 5 E ( Y ,G R )
. . LED OFF:0V R:0V T:1.76V R:2.06V T:0V
D502 R615 3 0 POWER POWER LED ON:5.0V Q10 D 2 3
ME ME . 3.27V LTC014EEBFS8 B30-2151-05
DB2S310 4.7k R613 TX LED
Reverse 10k SWITCH D 2 2 TX/BUSY INDICATION
Current Prevention CONTROL INDICATION
B-BUS B-BUS (BLUE)
POWER POWER POWER
LCD
D5-9
KEY BACKLIGHT
3.77V
9.72V D5 D8 R24
5.0V B 3 0 - 2 3 3 7 - 0 5 B 3 0 -2 3 3 7 -0 5 3.3k
3.77V
D6 D9
R25
B 3 0 - 2 3 3 7 - 0 5 B 3 0 -2 3 3 7 -0 5 3.3k
1.89V
D7
R26
B 3 0 -2 3 3 7 -0 5 4.7k
D 2 B C KMO1
VOLTAGE
PROTECTION
S A
KMO2
KMO3
D 2 6
R17 KMO1 KMO2
0 KMO3
H N 2 S 0 3 F E
KMI1 4 9 3 2
KMI2 5 0 K I 1 S32 3 1
K I 2 S31
KMI3 5 1 K I 3 S30 3 0
5 2 2 9
5.0V K I 4 S29 2 8
5 3 K I 5 S28
5 4 V D D S27 2 7
5 5 2 6
V L C D LCD DRIVER S26
5 6 VLCD1 S25 2 5
5 7 LC75857W-E I C 1 2 4
R2 R 3 R 4 5 8 VLCD2 S24 2 3
1 0 k 1 0 k 1 0 k V S S S23
5 9 T E S T S22 2 2
6 0 2 1
o S C S21
6 1 D o S20 2 0
6 2 1 9
6 3 C E S19 1 8
C L S18
6 4 D I S17 1 7
Q3
TX LED
SWITCH
Q6
BUSY LED
SWITCH