Kenwood NX-700 Service Manual page 33

TX-RX UNIT (X57-8890-XX) (A/2)
CN401
DCin +B
(13.6V)
F401
GND
CN402
DC SW SB
Q404
MTM981400BF
8V AVR
IC403
Detect /BINT
NJM78M08FA-ZB
IC401 DC SW
XC6108C23CM-G Q407
12A02CH
TXC
Protect
SBC_2 DCDC
D401 Converter
DZ2J180(M)
IC410
Q401
XC9101D09AK-G
LTC014EEBFS8
SBC
5V AVR
IC404
TA7805F-NQ
DCDC
IC405
LT1616ES6-PBF
Converter
50M
3.3V AVR 33M
IC402
XC6204B332P-G
3.3V AVR 33A
Q416
IC408
SSM6L05FU-F
XC6204B332M-G
SBC_2 DC SW 33A_2
DC SW 50MC DC SW SCTAM1
Q412 Q405
2SA1955A-F 2SA1955A-F
33M /BINT
SBC_2
DC SW 33BU
D408
Q411
KDS121-P
2SA1955A-F
CN405
/RST
1.5V AVR 15M
IC409
Buck UP Battery
XC6205B152P-G
RESET /RST
IC506
XC6119C29AN-G
CN403
/IGN
1
Q403
2
LTC014TEBFS8
IC705(1/2) Q702
TC75W51FK(F) 2SC4617(Q)
SW BPF
Q701
SSM3K15TE(F)
SCTAM1 33M
SCBSY
SCRXD
33M 15M
SCTXD
/SCRST,/SCREQ,SCBCK,SCMIS0
IC502
/SCWKUP,BER_CLK,BER_DATA
DSP
/SCBFS,/BFSX2
IC509
TC7WT125FUF
BER_CLK
BUFF
BER_DATA
/BER_EN
33M
IC501
FLASH ROM
33BU
IC503
SRAM
/RST
33C IC2
LM73CIMKX-0
I2CCK TEMP
I2CDT SENSOR
33C
X1
80C
VCTCXO
TCXO_MOD
BUFF
19.2MHz
IC1
80T
LMC7101BIM5
150C
50C
DC SW 50R
Q409
12A02CH
RXC
3.3V AVR 33C
IC406
TK71733S
3.3V AVR 33GPS
IC407
XC6204B332M-G
CF201
(Wide)
D201 D202
KDS112E-P KDS112E-P
CF
SW
33C
CF202
(Narrow)
SW
Q201 LTA014EEBFE8
Q202 LTC044EEBFS8
W_/N
33M 15M Main_CLK
D703 IC705(2/2)
KDR731 TC75W51FK(F)
AMP DET ASQDET
BUFF
VCTCXO
Main_CLK
BUFF 18.432MHz
IC508
SM5023CNDH-G
BSHIFT
X502
L77-3015-05
SCBSY
Main_CLK
/SYMTIM,FSDET,/DWUP,/DINT
/MCCSRCN,/MCCSXCN,MCDOCN.MCDICN
/MCCSAF,MCDOAF,MCDIAF
MCSCKAF
IC511
KIC7SH08FU-P IC510
HD2
MCU
/PCS_RF
/PCS
KIC7SH08FU-P
IC505 MCSCKCN
BCLKX0
BCLKR0
A[0-20],D[0-15],/RD./WR
/CS0,/CS2,/CS3,/HRDY,/WP
/FRST,/DRST,/HINT,/HDS2
/RINT
32K
I2CCK.I2CDT
33BU
IC504
RTC
RV5C386A X501
32.768kHz
L77-1802-05
150C
Q1
2SC5383-T111
Ripple
FILTER
/T_R
T/R SW
Q11
ASSIST
BUFF SSM6L05FU-F
33C 50C
Q12
2SJ347F
IC4
LMC7101BIM5
IC3
BUFF PLL
SKY72310-362
Q15 LOOP VCO
2SK1215-E(E)
FILTER
Q9,Q10
2SK508NV(K52)
IC5(1/2)
SCK1,SDO1,/PCS_RF TC75W51FK(F)
CV
PLD IC5(2/2)
TC75W51FK(F)
VCO_MOD
D5,D6 D19,D20
HVC131 HVC131
BPF
Fin
CF CF
SW SW
50R 50C
BPF
SW
Q5 EMD9
x3 BPF /T_R
Q2 LTA014YEBFS8
50C
Q203 Q3 SSM3K15TE(F)
50R
2SC5636
2nd Local:57.6MHz
IF
AMP
Q204
2SC3356(R23)
IF IC
CF
IC202 IC203(1/2)
SW
TC75W51FK(F)
TK10931VTL-G
VAGC
IC203(2/2)
TC75W51FK(F)
RSSI
W_/N SW CD
Q212 CD201
CF203
EMD9
450kHz
/RST
RFAGC,ASSIST,DSW
/T_R,W_/N,W_/V,/H_L
SCK1,SDO1
CV,THP,RSSI,ASQDET
VAGC,PLD,MPL,BLVL
450k
IC703(1/2) IC703(2/2) IC712(8/8)
TC75W51FK(F) TC75W51FK(F) M62364FP-F
ASQAPC
LPF LPF DAC
APC
/EVCS,SCK0,SDO0 SW
AI IC710
TC7W53FK(F) OPT10SEL
TONE
Q708
VREF
OPT9 2SA1832(GR)F
STSW
IC711(2/2)
TC75W51FK(F)
IC701 IC707
TC75S51FE(F) TC7W53FK(F)
IC713
RXAF
LPF
TC7W53FK(F)
SUM
AO
/SCSW
AMT
RXEO RXEI OPT6
BEEP
D704,705 KDR731
Q704 2SC4738(GR)F
Q705 2SA1832(GR)F
DTI LIMIT
IC706(1/2) IC706(2/2) TXO
IC709(2/2)
TC75W51FK(F) TC75W51FK(F) IC708
TC75W51FK(F)
TC7W53FK(F)
MIC
LPF
SUM
SUM
TXI
/SCSW
IC702(2/2) IC702(1/2) IC709(1/2) IC712(1/8)
TC75W51FK(F) TC75W51FK(F) TC75W51FK(F) M62364FP-F
MOD
LPF LPF DAC
SUM
/EVCS,SCK0,SDO0
TONESW,AMT,STSW,BEEP,TONE,/PRST
MM,MM2,INAMT,/SCSW,RTS0,PBSHIFT
IC712(6/8)
TXD[0-3],IFC,TXC,RXC,SBC
M62364FP-F
OPT10SEL,/EVCS,SCK0,SDO0
DAC
/OVRB,/IGN,/PSW,/
/EVCS,SCK0,SDO0
CTS0,RXD[0-3]
/INT25P
OPT[1-8]
OPT11
CN595
26pin Option Board
50C
Q7
2SC5383-T111
Ripple
FILTER
K :RA30H1317M123
HK:RA60H13171123
50C 80T 80T +B
D101,205 PRE-
HVC131
DRIVE DRIVE
T/R
BUFF BUFF AMP AMP AMP
SW
Q13 Q14 Q101 Q102 IC102
2SC5636 2SC5636 2SC5108(Y)F 2SC5455-A
IC712(7/8)
M62364FP-F
APC
MP
DAC
50R /H_L
50C
/EVCS,SCK0,SDO0
LPF
BUFF
BUFF
Q208
1st Local
2SC5636
Q6
2SC5636
50R
50R IC204
D207,208
XF202
AK1224
D209,210
MCF
1SV283F
1st
IF
BPF
AMP MIXER
Q205
TUNE2
2SC3356(R23)
Q209
150C
2SC5383-T111
Ripple
FILTER
IC712(4/8)
M62364FP-F
TV2
DAC
BUFF
IF_DET
IC207(1/2)
BD7542FVM
/EVCS,SCK0,SDO0
Q709
LTC014EEBFS8
Q710
KRC401-P
MUTE
INAMT
33A_2
IC711(1/2)
TC75W51FK(F)
VREF
DEO BUFF
OPT10
50C
LEVEL SHIFT
TC7WBD125AFK
IC712(5/8)
M62364FP-F
I2CCK I2CCK I/O Expander
IC514
DAC I2CDT I2CDT
/EVCS,SCK0,SDO0
/INT25P
MM2
Q707
2SJ243-A
MIC2
MUTE
IC516
MUTE
TC7WH126FU-F
MIC1
AI LEVEL SHIFT
Q706
50MC
TONE 2SJ243-A
MM
RXD0
CTS0
TCXO_MOD
IC712(2/8)
M62364FP-F
DAC VCO_MOD
TXD0
/EVCS,SCK0,SDO0
RTS0
DI
IC515
LEVEL SHIFT
TC7WT126FU-F
IC512
TC7SET08FU-F
TXD1
SCTXD
CN597
Display UNIT
136 - 174MHz
K :D104
HK:D103,D104
L407CDB
FINAL
ANT ANT
SW LPF
TEMP
80T DET
THP
THP2
PWR
APC DET
D107,108,109
HSM88AS-E
IC101,103
TA75W01FUF
50R
D213,216
NESG240034 D217,218
Q210 1SV325F
LNA BPF
TUNE1
IC712(3/8)
M62364FP-F
TV1
DAC
BUFF
IC207(2/2)
BD7542FVM
/EVCS,SCK0,SDO0
SB
IC715 SB
LA4425A
SPI
AMP
HOR
CN705
PA
6pin OPTION
CONNECTOR
Ext SP JACK
SPO J701
TX-RX UNIT (X57-8890-XX) (B/2)
MIC2 MIC2 MIC2
VOLTAGE
PROTECT
ME AFO
AFO
J901
DI
D905,906 ME D-Sub25pin
BER_CLK DEO
DZ2J180(M) DI CONNECTOR
BER_DATA AFO
DEO
/AUXO1
AUXO1
IC517
AUXIO[1-9]
VOLTAGE
Q901
QSX6 PROTECT /AUXO2
PCA9535RGE AUXO1
AUXO2
AUXO2
Q902 D910,914
QSX6
DZ2J180(M)
SB
D909,913
50C
1SS355
IC513
TC7SET08FU-F
D901-D904
D907-D908
TXD2 D911-D912
TXD2 BUFF
AUXIO SURGE AUXIO
25P_TXD2 [1-8] PROTECT [1-8]
D506,D507
AUXIO9
1SS416 RXD2
RXD2 MC2850
G_RXD2
TXD2
RXD2
TXD0
TXD0
RXD0
RXD0
(RTS0)
(RTS0)
IC518
(CTS0)
(CTS0)
RS-232C Driver
SB
ADM202EARNZ
50C
CN600 CN901