Kenwood NX-720H(G) Service Manual page 89

TX-RX UNIT (X57-8230-10)
33M 33M
IC501 IC503
Flash
SRAM
ROM
SB
50C
MIC
ME
POWER,EMG
RLED,GLED
50C
IC511
TC74VHCT244AFK
LCDCL,LCDCE,LCDDI
LCDDO
BUCNT2
33M IC509(2/2) IC716(2/2)
TC7WH126FU-F
TC7WH126FU-F
MKEYO
HOOK
HOOK_RXD1
IC716(1/2)
IC509(1/2)
TC7WH126FU-F
50C
MKEY TC7WH126FU-F
MKEYI
33M
PTT
MBL,BLC,BLED CV,THP1,THP2,FWD,REV,
DI,FLDM,TEMP,/OVRB,
SP+
/WP,BLVL,MRSW,/INT15P,/EVCS,/BINT
Ext SP JACK
SP
J701
IC515
50C
IC512
PCA9535BS
TC7WBD125AFK
FNC5,FNC6 LEVEL SHIFT
SCL,SDA
3.3V/5.0V
Q502
I/O
LTC014TEBFS8 Expander
HORN
F1CNT
F2CNT
Q503
HR1 MTM981400BF F34CONT
DC SW
HR2 50C
5V_TXD2
D_RXD2
FNC1,FNC2,FNC3,FNC4
50MC
SB
50MC
RS-232C
DATAI(DI_MI2)
Driver
DETO(DEO_AFO)
IC516
Q504 ADM202EARNZ
LTC014TEBFS8
IGN
/IGN
SB
SPAF
SP2
AF
AMP
PAAF
SP
IC714
LA4600
INAMT
DC SW
PA
Q709
SSM6N37FE
33M
X501
L77-3015-05
IC506
SM5023CNDH-G
VCTCXO
BUFF
18.432MHz
/PCS_DSP
PSCK_DSP
PLL MOD 33A 15M 33M
33M
DSP
15M
IC502
PLD
SD01
PLL MOD
/DRST,/HDS2,/HRDY,
/SYMTIM,/DINT,FSDET, /PCS_DSP
/HINT,/DWUP
/PCS
SCK1
MCDIAF,/MCSCKAF,/MCCSAF,
MCDOAF,MCDICN,/MCCSXCN,
HOST_RDY,DSP_ST,MCSCKCN
PSCK_DSP
A0-20,D0-15,/WR,/RD
/CS0,/CS2,/CS3
IC504
BD5329FVE
RESET
IF_DET
SCKO,LCDCS,SDDO
RSSI
SDIO
HOOK_RXD1
BUCNT1 MKEYO
MKEYI
50C
TXD1
MPU
D511
IC507 RXD2
DB2S310 /PTT
MIC
I2CCK,I2CDT
MOD
5V_TXD2
TXD2
5V_TXD2
IC511
TC74VHCT244AFK
ASQAPC
/IGN
F1CNT
IC513
TC7WH126FU-F
FNC1,FNC3
TXDO,RTSO
33M
50M F34CONT
W_/N
FNC2,FNC4 RXDO,CTSO ASQDET
IC514
BEEP
TC7WH126FU-F
F2CNT
VOICE
RXAF
MM,MM2,/FRST,INAMT,PA,
BUCNT1,BUCNT2,/SAVE,BSCAN
Q4 2SC5383-T111
D14 DA2S101
Lippple
50CS
Filter
Q8 EM6M1
Q9 SSM3J15FS
33M
T/R
SW
IC2
SKY72310-362
33C
Loop
X1 50C
VCO
Filter
16.8MHz
33C TCXO
IC3(1/2)
Q6,7
BD7542FVM
PLL
CV D4,5
D7,8,9,10,11,12
VCO MOD
D15
150C
IC508
ASSIST
TC7SH08FU-F
DC SW Q2: 2SJ648-A
/PCS_RF 50C
IC3(2/2)
ASTSW
BD7542FVM
D6,13
1SV305F
P_SCK1
Fin
BPF
IC301 TX:272 - 348MHz
RX:371.9 - 447.9MHz
TC7SH08FU-F
/T_R
Q303
2SC5108(Y)F
X3 BPF
33M
CF1
450kHz
50R
BPF
50R
CF2
450kHz
IF IC
BPF
IC303
TK10931VTL-G
33A_2
IC304
BU7445HFV
GPSC
GPS_ALM
5V_TXD2
D512
DB2S310
D513
DB2S310
D_RXD2
TXC,RXC,/T_R,/H_L,HSW,DSW,
DDCLK,ASSIST,ASTSW,SBC
D703,704
IC703(1/2)
DA3S101F
BU7462NUX
Q703 2SA1832(GR)F DI
LPF
Q704 2SC4738(GR)F
33A_2 MM2
MIC2 LIMIT
MI2
MUTE DI_MI2
SUM MUTE MI1(MIC)
IC703(2/2)
Q705
BU7462NUX
SSM3J15FS
33A_2 MM
LPF VCO_MOD
IC701(1/2)
BU7462NUX
IC702(1/2)
IC712(3/8)
BU7242NUX
R2A20178NP
DAC
BUFF MP
/EVCS,SCKO,SDOO IC712(7/8)
R2A20178NP
LPF DAC DEO_AFO
IC702(2/2)
/EVCS,SCKO,SDOO
BU7242NUX
BPF DET
BUFF
IC705(1/2) IC705(2/2)
BU7242NUX
BU7242NUX Q702
SW KTC4075E(Y,GR) PLD
Q701
FK330301
IC712(5/8)
R2A20178NP
RXAF2
SUM LPF DAC SPAF
IC711(2/2)
BU7462NUX /EVCS,SCKO,SDOO
IC712(8/8)
IC711(1/2)
R2A20178NP
BU7462NUX
DAC PAAF
/EVCS,SCKO,SDOO
IC713 IC712(6/8)
TC7W53FK(F)
R2A20178NP
DAC
DEO_AFO
MIC2
/EVCS,SCKO,SDOO
MRSW
/T_R
Q11 Q102
D16,17
2SC5108(Y)F 2SC3357-A
RKS151KJ*2
TX: 136 - 174MHz
T/R
BUFF DRIVE
BUFF
SW
AMP
Q10
2SC5108(Y)F
50CS 80T
MCH3914(7)-H
1SV325F
50C DC SW
1SV282-F Q106
HSW EMD5
1SV278F
LPF
Q1: LTC014EEBFS8 80T
D2: DZ2J091(M)
MP
50CS
/H_L
2
Q5
150C
2SC5108(Y)F
IC201(2/2)
BD7542FVM
TV1
IC201(1/2)
BD7542FVM
TV2
D202,203
1SV283F
TUNE
Q305 Q201
Q202
XF1
3SK318
2SC4215-F(Y)
NESG240034
49.95MHz
1st
IF
MCF BPF
AMP MIX
L207,209
L210,220
33A
IC801
33GPS 33A
A801
TC7WH126FU-F
W02-3768-05
RXD1
GPS
G_RXD2 TXD1
GPS_ALM
GPSC
(Only GPS Model)
+B
SB
F503
80C
80ANT DC SW 8V AVR
Q402
IC1
2SA1955A-F
TA7808F-NQ
DSW
80T DC SW
Q404
2SA1955A-F
TXC
DCDC
150C
50M
Converter
Q415: 2SC4738(GR)F
Q416: 2SA1832(GR)F
DDCLK
50MC
Q410
5V AVR
50C
2SA1955A-F
IC404
SBC2
XC6209B502P-G
33M 3V AVR
50R DC SW
IC401
Q417
XC6209B332M-G
EMD5
RXC
33C 3V AVR
50CS DC SW
IC409
Q408 NJM2878F4-33
EMD5 SBC2
/SAVE
33GPS 3V AVR
IC407
NJM2878F4-33
GPSC
33A 3V AVR
IC406
XC6209B332M-G
33A_2 DC SW
Q409
EM6M1
SBC2
15M 1.5V AVR
IC408
XC6205B152P-G
136-174 MHz
IC102
D110,111 L407CDB
RA60H1317M1A
D107 RKP351KW-1P2
ANT ANT
FINAL CPL
SW LPF
AMP
D104
HSM88AS-E
+B
Rev
D105 DET
HSM88AS-E
For
IC103 DET
REV
NJM12904RB1
FWD
APC
DC SW
Q105
FK330301
D204,205
D206,207
1SV325F
TUNE
LNA BPF
L215,216
50R
1575.42MHz
DCin
F401
F53-0328-05
GND
DC SW
Q403
MTM981400BF
SBC2
/BINT Detect
IC402
XC6118C23CMR
DCDC
Converter
IC405
LT1616ES6-PBF
DC SW
F502
D401
DZ2J180(M)
/OVRB DC SW
Q401
LTC014EEBFS8