Kenwood NX-720 Service Manual page 88

TX-RX UNIT(X57-8230-1X)
B-BUS B-BUS B-BUS B-BUS
FSX0 FSX0
A-BUS CLKX0 A-BUS CLKX0 A-BUS
D-BUS D-BUS D-BUS
C-BUS C-BUS C-BUS
R526 100k
CN423 R:13.2V
T(25W):12.8V CP507 CP513 100kX4
+B +B +B 100kX4
13.2V DC/DC Converter(50M) D407
BATTERY -B DC/DC
4 SHDN FB Converter(50M) CN422
5 VIN 3 D407 5.02V CN541 CN542
L404 6 GND 2 RB520SM-30 50M CP514
Surge Reverse SW BooST 1 100kX2 15MDSP C533
Protection Prevention Current IC405 10u
LT1616ES6-PBF L405 CN502
D406 22uH DGND CLKoUT
DC/DC
Converter CN503
D[15] L13 CN540
AVR(33A) D[14] L12 D[15] XF E14 33MDSP
AVR(33M) CN421 D[13] L11 D[13] D[14] GPIo0 F3
4.98V VIN 1 R418 0 3.3V C501 D[12] M14 D[12] GPIo1 E1
1 R410 5 VoUT 2 33A D[11] N12 D[11] GPIo2 E2 R541 100 /MCCSXCN
5 VoUT VIN 4.7 VSS DC Switch(33A_2) 33A_2 0.1u D[10] P12 D[10] GPIo3 B3 CP504 100X2
VSS 2 D405 4 NC CE 3 4 3 D[9] L10 D[9] GPIo4 A3 MCSCKCN
NC CE 3 DB2S310 5 D[8] N11 D[8] GPIo5 D5 MCDICN
Discharge 4 XC6209B332M-G IC406 2 33A_2 D[7] P11 D[7] GPIo6 C4
IC401 R411 3.31V 6 Q409 1 D[6] D[5] M10 D[6] GPIo7 D1
XC6209B332M-G 47k EM6M1 D[4] P10 D[5] GPIo8 G5
D[3] L9 D[4] GPIo9 H4
. SBC2 D[2] M9 D[3] GPIo10 H5 CP503
F502 50MC D[1] P9 K8 D[2] GPIo11 J3 100kX4 FSDET
D[0] L8 D[1] GPIo12 M1 C536
2.5A 4.99V G3 D[0] RTCINX2 GPIo13 M2 R536 0.1u R549
DC Switch(50MC) R423 Q410 2SA1955A-F CN419 C502 H3 A[20] RTCINX1 B12 0 10k
2.3V 4.7k DC Switch(50MC) 0.1u K1 A[19] SCL A12
Q407 FK330301 P5 A[18] SDA H14 CP502 100kX2
3.27V R:4.59V CN418 P7 A[17] DN H13
T:3.45V IC408 AVR(15M) AVR(15M) M8 A[16] DP D4 D3
R412 R413 XC6205B152P-G 15M C503 K9 A[15] IC502 PU C1 CP510
10 10 0.1u A[13] N3 A[13] A[14] DSP AIN[3] E11 100kX2
1.5V A[12] P3 A[12] AIN[2] D12
A[11] L4 A[11] AIN[1] D13
A[10] N4 A[10] AIN[0] D14 C527
. A[9] P4 A[9] RCVDD_4 C12 0.1u
IC402 A[8] L5 A[8] RDVDD_3 A14
XC6118C23CMR CN417 A[7] N5 A[7] RDVDD_2 B13
4 VSEN VIN A[6] L6 A[6] RDVDD_1 A13
3 D 33M C504 A[5] A[4] M6 A[5] AVDD C14
VSS 2 R438 AVR(33GPS) 33GPS 0.1u A[3] P6 A[4] ADVDD F10
5 CD VoUT 1 33GPS A[2] K6 A[3] USBVDD D2
10 IC407 3.32V A[1] M7 K7 A[2] USBPLLVDD G11 C528
Voltage Detector(BINT) 4.43V NJM2878F4-33 A[0] L7 A[1] CVDD_15 N8 0.1u
H11 A[0] CVDD_13 CVDD_14 N7
3.26V R501 NC F2 A'[0] CVDD_12 M11 C529
13.2V 22 A2 X2/CLKIN CVDD_11 M4 0.1u
3.32V B1 VSS_1 CVDD_10 L14 C530
C417 100p SB B9 VSS_2 CVDD_9 L1
RX:6.56V SB C505 B11 VSS_3 CVDD_8 J11 J10 0.1u
TX(25W):6.38V Q403 10u C2 VSS_4 VSS_5 CVDD_7 J5 C531
TX(5W):6.49V MTM981400BF IC1 RX:7.90V CN414 C506 C5 G1 PA
1 7 8 TA7808F-NQ AVR(80C) TX:7.89V 10u 0.1u INAMT
2 6 1 DC Switch(80T) . 80C C507
4 3 5 IN OUT 2 Q404 2SA1955A-F 80T 15MDSP 33MDSP
DC Switch(SB) 80T 10u
. DC Switch(80T) . R:0.0V D
R421 Q411 T:7.79V DGND DGND
Over DC 4.7k LTC014EEBFS8 R:0.0V
Supply Protection T:3.29V
Reverse D403,404 D403 . . R:0.0V T:7.84V C524 1u
Current Prevention RB520SM-30 F503 2SA1955A-F Q402 80ANT
. . A[16]
375mA R419 DC Switch(80ANT) Q405 . A[0] A[16] G4
Q418 LTC014EEBFS8 R441 2.7k 80T A16 VCC1 D6
LTC014EEBFS8 (80ANT) DC Switch 2.7k G1 A[15] A[15] G5 A15 VSS1
DC Switch(SB) DC Switch(80ANT) . D[9] G2 oE A15 D6 A[11] G6 D1 D[1] D
Q401 LTC014EEBFS8 Q412 R:3.29V T:0.0V DQ9 A11 D5 A[9] H1 DQ3 DQ1 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] A[14] A13 A7 B5 A[4] Reset
R:3.3V D[1] H2 C6 A[10] H6 A14 A4 BD5329FVE IC504
T:0.0V D[3] H3 DQ1 A10 C5 B4
Digital GND . D[4] DQ3 A21 C4 A[18] 4 GND CT
R681 0 . RX:1.67V H4 DQ4 A18 C3 D[4] 3
TX(25W):1.61V D[6] H5 DQ6 A6 A[6] 5 SUB 2
R683 C648 TX(5W):1.67V H6 C2 A[2] VDD VoUT 1
. 0.1u . . CN411 4.89V D VSS2 A2 C1 L505 R546 RST RST
R682 0 R679 . Q408 EMD5 0
0 R680 0 50CS R503
. . 0 100k D C537 3.3V
R677 R678 3.3V 1000p D
0 . 0
C647 DC Switch(50CS)
D D 0.01u X2/CLKIN X2/CLKIN X2/CLKIN
B-BUS B-BUS B-BUS
B-BUS B-BUS B-BUS B-BUS
FSX0 FSX0
CLKX0 CLKX0
. .
D703 . Q704
L506 C543 0.1u D703,704 DA3S101F R775 2SC4738(GR)F
IC506 IC508 AF Detector
18.423MHz L77-3015-05 X501 AND Gate TC7SH08FU-F 5.6k
(MCLK) 4 Q VSS 3 IC301 1 INB VCC R568
18.432MHz 3.3V 5 VDD XT C542 3 oUTPUT GND R567 BSHIFT TC7SH08FU-F 2 INA 5 0
R555 6 XTN INHN 2 0.01u 2 1k 1 INB VCC R569 MIC2 .
1k 1 4 2 INA 5 3 GND oUTY 4 0 DA3S101F D704
SM5023CNDH-G D VCC VC 1 .
CN523 3 GND oUTY 4 AND Gate R777
Buffer AMP(Clock) D 10k .
D . . . MIC SUM 2SA1832(GR)F Q703
D C706 R707 MIC2 MIC2 R769
0.1u 1.8k 680k . . .
. 10 C765 R778 C774
R556 A4 XTALI C718 22p 27k 0.1u
22 NC B4 XTALo E12
A10 32I DGND2 DGND1 E11 . . 0.1u
D A12 DSPCK DVDIo7 E10 C565 0.1u IC701
GPSDET B11 CKo DVDIo6 L5 . C566 0.1u MOD SMF BU7462NUX (VREF)
/HINT A11 USRCKI DVDIo5 P6 C567 . 0.1u . . . 1 8 1.65V . AMP/LPF(DI) MIC SUM .
A[0] H18 ADD0 DVDIo4 P11 C568 . 0.1u MOD R702 R709 R711 2 VDD 7 R773 IC703
A[1] J18 ADD1 DVDIo3 L14 C569 0.01u 2.2k 100k 100k - + 0 BU7462NUX
A[2] K18 ADD2 DVDIo2 H14 C570 . 1u 3 + - 6 .
A[3] L18 ADD3 DVDIo1 E13 . 0.1u VSS 4 5 C743
A[4] M18 ADD4 DVDD10 M5 E7 C572 C573 . 0.1u
A[5] N18 ADD5 DVDD9 N5 C574 . 0.1u VCO MOD/VREF . 47p
A[7] A[6] J17 K17 ADD6 DVDD8 P9 . C575 0.1u DC Switch(System) R748 .
A[8] M17 ADD7 DVDD7 P10 C576 . 0.1u Q501 100k
A[9] N17 ADD8 DVDD6 N14 . C577 0.01u FK330301 C735
A[10] P17 ADD9 DVDD5 M14 C578 1u 10u
A[11] K16 ADD10 DVDD4 G14 .
A[12] L16 ADD11 DVDD3 F14 . D D R722 100k
A[13] M16 ADD12 DVDD2 E9 L510 ASQDET .
A[14] P16 ADD13 DVDD1 E8 D /H_L C723 47p .
A[15] J15 ADD14 GPIo11 B5 SBC R738
A[16] K15 ADD15 ADD16 GPIo9 GPIo10 C6 /SAVE ASTSW 10k
A[17] M15 ADD17 GPIo8 B6 Reverse Current Prevention
A[18] N15 ADD18 GPIo7 A6 . BRF/Buffer
A[19] P15 ADD19 GPIo6 U8 BUCNT2 AMP(SQ)
A[20] J16 ADD20 GPIo5 R8 BUCNT1 BU7242NUX IC705 R:4.75V
CN504 H15 ADD21 GPIo4 R7 MKEYO T:0V .
D[0] G17 DT0 GPIo3 T7 MKEYI . . R741
D[1] H16 DT1 GPIo2 V10 EMG C702 C705 47
D[2] D[3] G15 DT2 GPIo1 U9 V9 /OVRB 1000p 47p 100p . Noise Detector
D[4] F18 DT3 IC507 IC507 GPIo0 T9 /INT15P . R720 330k . 1SS422
D[5] G16 F17 DT4 ASIC SIMRST C11 /IGN . C719 C741
D[6] E18 DT5 ASIC SIMCK D12 POWER /BINT Q701 100p 3.3V 0.22u
D[7] E17 DT6 SIMDT C12 SQL Noise BW Switch FK330301 33A_2 .
D[8] F16 DT7 SYMTIM R5 FSDET /SYMTIM C732
D[9] D18 DT8 FSDET R6 TXC LPF 1000p .
D[10] D17 DT9 TXRVE R2 DSW KTC4075E(Y,GR) Q702
D[11] B15 DT10 TRAMP P3 GLED 1 VDD 8 Noise AMP
D[12] D16 DT11 TMoD P2 RLED . . 2 - + 7 . . .
D[13] C15 DT12 PSTPA M4 R599 33M ASQAPC R701 R706 3 6 R724 R730 C733
D[14] D15 DT13 DT14 PSTPLL PSTIF R1 100k MM 10k 82k + - 5 47k 47k 4.7u
D[15] E15 DT15 RXRVE N3 MM2 4 VSS
/WR A15 WRITE RXSLT N2 /T_R .
/RD A16 READ PSRRF P1 RXC BU7242NUX IC702
B14 BHE PSRIF L4 HSW
C14 BLE PSRPLL M2 GPSC
CN425 A13 CS4 RSSIT M3
/CS3 D13 CS3 VFRM N1 /DWUP
/CS2 C13 CS2 VoINT D8 C579 0.01u /DINT
/CS0 B13 CS1 MCo2 D7 C7 C580 0.01u
/HRDY B12 A14 CS0 MCCS2 D10 PCB_VER . . .
/HDS2 D14 HRADY MCCK2 C8 D BEEP R772 C776 R783
TXD0 R18 HDS2 MCCR1 D9 DSP_ST /MCCSXCN 15k 10k 0.039u 150k 3.3V
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 MCo0 B9 MCDIAF BU7462NUX IC711
RXD2 V14 RXD2 TXD2 MCI0 MCCK0 D11 MCSCKAF
R611 T14 TXD3 A8 PLD . . 1 VDD
10k R3 RXAF C746 R754 2 - +
R685 0.1u 56k 3
10k C558 D D 4 + -
R552 4.7k 0.1u VSS
R553 4.7k C559
D D R581 10u R584 C680 IF_DET .
R687 100k 47k 0.1u C777
0.1u
10k C544 CN507 CN428 CN509 C560 3p
R559 0.1u DGND R583
3.9k C545 100k
R554 10u D D R580
3.3k 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 D801 D802 L801 L802 L805 L806 R561 R802 R835 R839 R842 R843 R844 IC801
0-10 NX-720(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
0-11 NX-720 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
AF AMP . THP1
Q703,704 ✽ 1 R561
MIC AGC IC714
B-BUS 0 /T_R
D
TEMP L1
. . 6.5V
SPAF R823 C806 AC 1.44V 6.3V Bias AC Buffer Dual BUS .
Bias . 1.44V . IC801
12k 1u R819 C797 TC7WH126FU-F
5 A2
. . . . 2.2k . 0.22u R811 6 Y1 GND 4 GND1 VCC
C791 MI2 R816 C796 R820 C798 . 10k Y2 3
Mute(MI2) . 10u 10 12k 1u . 2.2k 0.22u F701 SB 7 G2 A1 2 GND2 oUTPUT
. . . Q706 . PAAF Q709 2.7V 8 VCC 33A
R787 C782 C812 SSM3J15FS C790 MI1 . SSM6N37FE . 2.5A . . G1 1 X1
12k 0.1u 10u 10 10u 10 R813 C622 CP703 . L77-3073-05 C3
Mute(MI1) . R847 1k . R839 0.01u
Q705 . 22k . IC512 0.01u 10
SSM3J15FS R846 J701 TC7WBD125AFK 100kX4
22k 1 oE1 . AVR(33C) . 3.3V
. VCC 8 R636 470k . IC409
Q708,709 LTC014EEBFS8 Q708 I2CCK 2 A1 oE2 7 GPS Module 50M R825 NJM2878F4-33
AF Mute Switch I2CDT 3 B2 19 SCL Io1.2 F34CNT 0
4 GND B1 6 20 12 F2CNT
A2 5 21 SDA I/O Expander . Io1.1 11 F1CNT
Leval Shift VDD IC515 Io1.0 10
. . . 22 INT PCA9535BS VSS . D505-510 Line Protection
R751 R756 C784 23 A1 Io0.7 9 CP705 50C
100k 1k 10u 24 8 . D801,802
33A_2 GPSC GPSC A2 Io0.6 7 Over DC . . . .
/INT15P 100kX2 L801 Supply Protection R842 R843 C821 CN801
SCK0 SDO0 0 0 18p SBC2
. /EVCS .
C778 CP704 D408,409
. 1u 10 DC/DC Converter
C779 100p
. D408 D409
. 100kX4 . J501
CP706 R664 R667 FNC1 DB2S310 DB2S310
7 VoUT3 VoUT2 24 1 6
CN710 8 VoUT4 VoUT1 100kX2 5 0 100 C634 11 7
9 D/A Converter . 23 R668 100p FNC6 2 80C R429 R431
10 VIN4 IC712 VIN1 22 . 9 470 C635 12 8 0 0
. ASQ VIN5 R2A20178NP VIN8 21 17 R662 R669 100p 3 DC/DC Converter
. 11 VoUT5 VoUT8 DEO . FNC2 13 9 2SC4738(GR)F Q415
D702 R750 12 VoUT6 VoUT7 20 R796 C788 DATO DATO 0 . 100 C636 4
39k 19 0 4.7u 50MC R506 100p 50MC 10 14
. 0 C637 15 5
20 /IGN /IGN R659 11 100p
18 R670 FNC3 DC Switch(150C)
DATAI DATAI 0 100 C638 Q414
SP2 SP2 . 12 100p SP2 EMD9
F1CNT R663 . 13 C639
F34CNT 7 R658 100p 20kHz
F2CNT . R671 FNC4
SB 14 R660 0 100 C640
. 19 D705 D706 50MC R634 100p
R797 DI EMZ6.8N EMZ6.8N 100 C641 DATO
Dual BUS Buffer RXD_FNC2 10
0 33M . R672 100p FNC5
IC514 R665 470 C642
TC7WH126FU-F R626 100p DATAI 3.80V L302
D705,706 1 G1 100 . C643 560n R306 R315 C316
Line Protection 2 A1 VCC 8 F501 330k 3 0
G2 7 SB 0.022u R303 C315 1 Tripler
. CTS0 3 Y2 Y1 6 . C644 1k 0.01u 2 Q303
R837 4 GND A2 5 R666 100p 0.64V 2SC5108(Y)F
5.6k 6
C624 RS-232C Driver
0.01u ADM202EARNZ IC516 DC Switch(Horn Alert) .
. . D512,513 D504 R657 R661 R643 3 . L72-1017-05 CF1
C704 R703 MIC/RX . Reverse Current Prevention RXD0 9 R2oUT R2IN 8 RXD 4.7k 47k 0 C307 R308 IN oUT
1u 10 Selector(BINT) IC713 . DB2S310 10 T2IN T2oUT TXD Q502 0.1u 0
. TC7W53FK(F) . R637 1k RXD0 Reverse Current Prevention RTS_FNC3 11 7
R705 . Dual BUS Buffer 12 T1IN V- 6 MTM981400BF Q503
8 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 . CF2
5 56k 8 CH0 INH 1 D512 1 G1 8 15 3 C630 1u 25 IF_DET C337 oUT L72-1040-05 IN
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 .
GND 4 5 LTC014TEBFS8 R674
0.1u A2 C627 1M
1u 25 -9.9V
CN705
TXD0 TXD_FNC1
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 33C /T_R R:4.61V 0 0
. 33C T:4.62V R82 R88 R83
3.31V C31 FIN FIN C37 C43 C50 C60 0 0
. 100p 8p 100p 7p 4p Q5 0 25℃ : 2.6V .
. C10 0.01u L4 2SC5108(Y)F Buffer AMP R:2.9V T:2.82V THP1 THP1 L105
C11 0.01u 10n (PLL Fin)
R:2.7V T:2.49V
. . .
13 NC_1 CPout 6 R19 R20 R24 L5
14 5 0 0 390 R34 PLL f-in BPF Tune PLL f-in BPF Tune R:4.00V
15 NC_2 . VCCcp . . 1.8k RX VCO T:0V Buffer AMP R:3.56V R:0.03V T:3.22V L104
. NC_3 IC2 LD/PS 4 C20 C24 RX VCO Q6 R58 R:3.79V R:1.56V Q11 T:3.76V RKS151KJ D17 Drive:2.6dBm C119 C121 33n L106 39n (-92)
L2 R72 16 NC_4 SKY72310-362 Fin 3 Frequency Control RX VCO Assist Tune D7 RX VCO MCH3914(7)-H 22 T:3.76V T:1.35V 2SC5108(Y)F C89 C101 L130 R103 C104
4.7u 1k 17 NC_5 PLL System Fin 2 . 100p . 0.1u R37 L6 C44 C55 R:0.86V R:0.72V R61 C81 C84 15p R:2.01V 1000p 56n 0 1000p TX Drive AMP 27p 6p
18 1 R10 C25 0 10u 100p 1SV282-F 39p T:0V T:0.68V 150k 22p 15p T:2.48V 2SC3357-A Q102
NC_6 VCC . 10 100p C77 T:1.97V R:1.21V D16,17
. C22 . 0.5p Q10 T/R Switch
L3 . 47k R14 2SC5108(Y)F
C23 0.1u Buffer AMP
. Over Voltage R35 R:0V
. . 100p 100p C26 Protection D9,10 TX VCO T:3.9V L103
. C16 100p 0 TX VCO RX VCO Assist Tune Q7 R57
. C17 100p DC Switch Frequency Control TX VCO Assist Tune TX VCO MCH3914(7)-H 22 L26 T:0V R:2.75V
C18 100p 100p (Assist) . R38 L7 C45 D8 C54 R:0V
C19 LTC014EEBFS8 Q1 0 10u 330p 1SV282-F 180p T:1.08V
. C76
Q2 0.5p
2SJ648-A DC Switch(50C)
(Assist) DC Switch R:0V
T:4.02V
. T/R VCO Switch R:4.08V
R28 R36 Modulation FM T:0V Q106
10M 0 D11,12 Q8 SSM3J15FS Q9 EMD5
R435 . Assist Tune TX VCO . . 4 EM6M1 3 80T
0 IC3 C51 R44 R52 5 2
13.9V 150C . CV BD7542FVM 1u 27k 470k
R13 6 1
47k oUT1 1 VDD 8 Switch T/R VCO
2 - + R:3.28V T:0V
100k 3 7 . L19 R56
DC/DC Converter VSS 4 + - 6 ASSIST R26 Ripple Filter 0
Q416 DC AMP . 5 1k T:4.06V R:4.09V
2SA1832(GR)F (CV/Assist) C28 . 100p
2SC5383-T111 Q4 R:0.0V T(25W):2.0V
C30 1u 25 T(5W):1.5V
Speed up R:4.76V
150C 150C T:4.74V
3.3V
B-BUS B-BUS B-BUS B-BUS
C322 CN302 L204 L205 . .
CN304 R204 33n C211 C213 39n C218 L220
L304 100p . 4.51V CN203 2p 270n
C324 C359 4.7k 6p 3p 4.61V
10p 56n 33p 0.01u . R249 C254 L221
. FM System IC303 CN205 CN204 CN206 5.6n
C330 TK10931VTL-G . . 4.7k 12p
0.1u 1 OSC<B> C347 C371 R355 C367 4.77V
RFin 24 0.01u 0.01u 0 0.01u D202-207 . 4.60V
4.70V 2 OSC<E> GND 23 . 1st IF AMP C361 BPF RX BPF Tune C251 LNA
3 MIXo C345 . 0.1u Q305 XF1 49.95MHz R259 Q202 1.36V
. 4 VCC COMPo 22 R342 2SC4215-F(Y) 0.01u L71-0678-05 f L:2.28V fC:4.96V 0 5p NESG240034
C313 R323 C327 R332 0 5 AMIFi COMPi 21 100k 0.96V R394 L301 L317 L319 C360 L203 . fH:8.93V
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 0.1u AGCAMPo 17 2.7k BU7445HFV IC304 3.30V BD7542FVM 13.94V
. . . C335 9 FMIFdecp2 RFAGCo 16 1 oUT1
R337 C343 C326 10p 10 LIMo RSSIo 15 R350 1 IN+ 5 VDD 8
11 QUADi . 10k R358 2 VSS 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
CN306 C240 1u
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)
LCD
D 1 1-21,24
LCD BACKLIGHT
D11 D15 D 1 9
R34
CN14 CN10 CN11 270
2.07V
TX Power Module D 1 2 D16 D 2 0 R35
IC102 C15 CN12 CN13 .
RA60H1317M1A R1 270
0 D13 D17 D 2 1
R 3 6 R29
.
D110 COUPPLER 2 7 0 2 2 0
R:13.2V T:12.8V(25W) L407CDB
. 15dBm T:13.0V(5W) D110,111 C177 D14 D18 D24 R37 R 2 8
R122 . Antenna Switch . Forward Power
. 22 (36dBm:5W) L407CDB D111 100p . 270 120
R123 C136 L115 C178 L116 L117 R171 ANT B30-2337-05 Q8
22 470p 5T 100p 3216 0 KTC4075E(Y,GR)
R:0.0V T(25W):2.9V Reverse Power LCD BACKLIGHT
T( 5W ):2.5V SWITCH
R:0.0V
3216 T:1.6V .
SB CN514 KEY BACKLIGHT 9.72V
SideA 3216 . 1 SB SWITCH
C621 2 INT SP
1000p SB Q 9
3 SP+ QST7
SP- 12.93V
4 SP-
Protection Over Voltage SP-
5 KTC4075E(Y,GR)
SP+ R42 Q11
+B LCDCS . 6
D104,105 SCK0 C620 100p SP+ HOOK:4.96V 2.7k
T:7.8V R:0.0V R:0.0V TX Power Detection BLC . 7 BLC PTT:4.62V
T:7.8V SDO0 C618 100p SB:13.53V KEY BACKLIGHT SWITCH CONTROL
80T Antenna Switch Over DC D112-114 Over Voltage MBL . . 8 MBL J1 MBL:5.00V 4.82V
. Supply Protection Protection CP515 C617 100p DM
. R138 D106 . 9 RLED HOOK
Transient C145 10k 25℃ : 2.6V DZ2J056(M) . C616 100p MIC 4.62V
limiter . Voltage 0.1u OP AMP(APC) . C165 100X2 100p 10 GLED MIC ME
D102 NJM12904RB1 IC103 470p 470p C158 . C615 PTT D 1 D 2
DA3S101F BLED C614 100p 11 BLED GND SB SURGE VOLTAGE
. 1 5V_TXD2 . R 1 2 PROTECTION PROTECTION
MP R130 . 2 - + 8 R:0.0V Reverse C661 12 GND MBL
27k R131 3 7 . T(5W):0.8V T(25W):2.1V Current Prevention 5V_TXD2 47p 5.0V 1 0 0
10k + - 6 R149 R158 R152 D103 13 GND 13.5V
4 5 10k 33k 1k RKS151KJ CN530 14
. GND D 2
C155 470p D108,109 . BUS Buffer . 15 D A 3 S 1 0 1 F
. Over DC IC511 C613 0.01u EMG
(H/L Power) . DC Switch R141 Supply Protection TC74VHCT244AFK 16
. Q105 33k D108 GND CN1
R137 100k FK330301 17 NC 1 SB
R:(H:0.0V/L:3.3V) RB520SM-30 EMG 2
T(25W):0.0V T(5W):3.3V D109 50C . 18 50C SB
GLED C612 100p 3 SP-
RB520SM-30 RLED . 19 LCDDI 4
. . C611 47p 5 SP+
TXD2 CP516 20 LCDCE
C610 47p 6 5.0V
. 21 LCDCL 7 BLC R7
R617 0 R 1 7
100X4 22 LCDDO 8 MBL
C258 C262 C233 C231 R:0V 0 9 RLED 0
T:0.79V 23 GND 1 0 GLED
15p 1000p 6p 6p SDI0 . 24
L232 L233 GND 1 1 BLED
39n 39n TXD1 BUCNT1 R616 . 25 1 2 GND
470k C607 100p MIC
. 26 1 3 GND
R614 0 ME 1 4 GND
Dual BUS . 27 HOOK 15 EMG R 5
D511 Buffer . C605 100p
Reverse TC7WT126FU-F IC716 . 28 PTT 1 6 GND 1k
Current C604 1000p 17 NC 5.0V
Prevention . 29 MKEY 1 8 50C 50C L 1
MKEYO C603 100p
BUCNT2 . . 30 POWER 19 LCDDI C P 1
/PTT D511 C602 0.01u 2 0 LCDCE
DB2S310 . 2 1
. C651 LCDCL R 2 R 3
R684 0.1u 2 2 LCDDO 1 0 k 10k
47k 2 3 GND 1 0 0 X4
HOOK_RXD1 B30-2321-05 R:0V
33M 2 4 GND D22 T:4.95V R:4.95V T:0V
2 5 MIC LED OFF:0V
2 6 ME LED ON:2.26V R:5.0V T:1.81V R:2.13V T:5.0V
Dual BUS Buffer R 3 8 R 3 9
SP+ SP+ . 2 7 HOOK
SP- SP- MKEYI IC509 2 8 PTT 4.7k Q 3 Q6 4.7k
MIC MIC TC7WH126FU-F 2 9 MKEY K TC 4 0 7 5 E (Y , G R ) KT C 4 0 7 5 E (Y , G R ) Q3
. . LED OFF:0V R:0V R:2.06V TX LED
D502 R615 3 0 POWER POWER LED ON:5.0V Q 1 0 T:1.76V T:0V SWITCH
ME ME DB2S310 4.7k . LTC014EEBFS8 D23 Q6
R613 3.27V TX LED B30-2151-05 BUSY LED
Reverse 10k SWITCH D 2 2 TX/BUSY SWITCH
Current Prevention CONTROL INDICATION INDICATION
B-BUS B-BUS (BLUE)
POWER POWER POWER
5.0V
D5-9
KEY BACKLIGHT
3.77V
D5 D 8 R 2 4
B 3 0 -2 3 3 7 -0 5 B30-2337-05 3.3k
3.77V
D6 D9 R25
B 3 0 -2 3 3 7 -0 5 B30-2337-05 3.3k
1.89V
D7 R26
B3 0 -2 3 3 7 -0 5 4.7k
B C
KMO1
S A
KMO2
KMO3
KMO1 D 2 6
KMO2
KMO3
H N 2 S 0 3 FE
KMI1 3 2
49 KI1 S32
KMI2 50 KI2 S31 3 1
KMI3 51 3 0
KI3 S30
52 KI4 S29 2 9
53 2 8
54 KI5 S28 2 7
VDD S27
55 VLCD LCD DRIVER S26 2 6
56 2 5
57 VLCD1 IC1 S25 2 4
R 4 VLCD2 L C 7 5 8 5 7 W - E S24
10k 58 V S S S23 2 3
59 2 2
T E S T S22
60 oSC S21 2 1
61 D o S20 2 0
62 1 9
C E S19
63 C L S18 1 8
64 1 7
D I S17