Kenwood NX-800 Service Manual page 35

Uhf digital transceiver
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150C
2SC5383-T111
Ripple
FILTER
ASSIST
BUFF
33C
50C
IC4
LMC7101BIM5
IC3
PLL
SKY72310-362
LOOP
FILTER
IC5(1/2)
F
TC75W51FK(F)
CV
PLD
IC5(2/2)
TC75W51FK(F)
VCO_MOD
Fin
BPF
50C
2nd Local:57.6MHz
IF IC
IC202
TK10931VTL-G
SW
CD
212
CD201
MD9
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
QAPC
LPF
LPF
DAC
APC
/EVCS,SCK0,SDO0
AI
IC710
TC7W53FK(F)
TONE
VREF
OPT9
STSW
IC711(2/2)
TC75W51FK(F)
IC701
IC707
TC75S51FE(F)
TC7W53FK(F)
XAF
LPF
SUM
/SCSW
AMT
RXEO
RXEI
BEEP
DTI
IC706(1/2)
IC706(2/2)
TC75W51FK(F)
TC75W51FK(F)
IC708
TC7W53FK(F)
MIC
LPF
SUM
/SCSW
IC702(2/2)
IC702(1/2)
IC709(1/2)
TC75W51FK(F)
TC75W51FK(F)
TC75W51FK(F)
MOD
LPF
LPF
TONESW,AMT,STSW,BEEP,TONE,/PRST
MM,MM2,INAMT,/SCSW,RTS0,PBSHIFT
TXD[0-3],IFC,TXC,RXC,SBC
OPT10SEL,/EVCS,SCK0,SDO0
/OVRB,/IGN,/PSW,/
CTS0,RXD[0-3]
/INT25P
OPT[1-8]
OPT11
CN595
26pin Option Board
50C
Q1
Q4
2SC5383-T111
Ripple
FILTER
/T_R
T/R SW
Q7
SSM6L05FU-F
Q8
SSM3J05FU-F
50C
VCO
BUFF
BUFF
Q5,Q6
2SK508NV(K52)
Q9
2SC5636
2SC5636
50C
BPF
BUFF
Q3
2SC5636
50R
50R
IF
IF
AMP
AMP
Q204
Q205
2SC3356(R23)
2SC3356(R23)
IC203(1/2)
TC75W51FK(F)
VAGC
IC203(2/2)
TC75W51FK(F)
RSSI
IF_DET
CF203
450kHz
33A_2
IC711(1/2)
TC75W51FK(F)
DEO
BUFF
SW
OPT10
OPT10SEL
Q708
2SA1832(GR)F
IC712(5/8)
M62364FP-F
DAC
IC713
TC7W53FK(F)
/EVCS,SCK0,SDO0
AO
OPT6
D704,705 RB706F-40
Q704 2SC4738(GR)F
Q705 2SA1832(GR)F
MM2
LIMIT
TXO
IC709(2/2)
TC75W51FK(F)
MUTE
SUM
MUTE
TXI
AI
TONE
MM
IC712(1/8)
M62364FP-F
DAC
SUM
IC712(2/8)
M62364FP-F
/EVCS,SCK0,SDO0
DAC
IC712(6/8)
/EVCS,SCK0,SDO0
M62364FP-F
DAC
DI
/EVCS,SCK0,SDO0
CN597
Display UNIT
BLOCK DIAGRAM
80T
80T
D101,205
PRE-
HVC131
DRIVE
DRIVE
T/R
AMP
AMP
SW
Q10
Q101
Q102
2SC5108(Y)F
2SC5455-A
IC712(7/8)
M62364FP-F
DAC
50R
/EVCS,SCK0,SDO0
LPF
BUFF
Q208
1st Local
2SC5636
50R
IC204
XF202
AK1224
MCF
1st
MIXER
Q209
150C
2SC5383-T111
Ripple
FILTER
IC712(4/8)
M62364FP-F
TV2
DAC
BUFF
IC207(1/2)
BD7542FVM
/EVCS,SCK0,SDO0
Q709
LTC014EEBFS8
Q710
DTC363EU
MUTE
INAMT
VREF
LEVEL SHIFT
TC7WBD125AFK
I2CCK
I2CCK
IC514
I2CDT
I2CDT
/INT25P
Q707
2SJ243-A
MIC2
IC516
TC7WH126FU-F
MIC1
LEVEL SHIFT
Q706
2SJ243-A
RXD0
CTS0
TCXO_MOD
VCO_MOD
TXD0
RTS0
IC515
LEVEL SHIFT
TC7WT126FU-F
IC512
TC7SET08FU-F
TXD1
SCTXD
NX-800/800H
K :RA30H4452M123
HK :RA55H4452M123
K2 :RA30H4047M123
HK2:RA55H4047M123
+B
K/K2 :D104
HK/HK2:D103,D104
L407CDB
FINAL
ANT
ANT
AMP
SW
LPF
IC102
TEMP
80T
DET
PWR
APC
APC
DET
MP
D108,109,110
HSM88AS-E
/H_L
IC101,103
TA75W01FUF
50R
D207,208
D209,210
NESG240034
D212,213
1SV278F
Q210
1SV278F
BPF
LNA
TUNE2
TUNE1
IC712(3/8)
M62364FP-F
TV1
DAC
BUFF
IC207(2/2)
BD7542FVM
/EVCS,SCK0,SDO0
SB
IC715
LA4425A
AMP
MIC2
ME
DI
BER_CLK
DEO
50C
BER_DATA
AFO
IC517
AUXIO[1-9]
I/O Expander
PCA9535RGE
AUXO1
AUXO2
SB
50C
IC513
TC7SET08FU-F
TXD2
TXD2
BUFF
25P_TXD2
D506,D507
1SS416
RXD2
RXD2
G_RXD2
50MC
TXD0
RXD0
(RTS0)
IC518
(CTS0)
RS-232C Driver
ADM202EARNZ
CN600
K,HK: 450 - 520MHz
K2,HK2: 400 - 470MHz
THP
THP2
BPF
SB
SPI
HOR
CN705
PA
6pin OPTION
CONNECTOR
Ext SP JACK
SPO
J701
TX-RX UNIT (X57-8900-XX, XC1-0990-10) (B/2)
MIC2
MIC2
VOLTAGE
PROTECT
AFO
AFO
J901
D905,906
ME
D-Sub25pin
DZ2J180(M)
DI
CONNECTOR
DEO
/AUXO1
AUXO1
VOLTAGE
Q901
QSX6
PROTECT
/AUXO2
AUXO2
Q902
D910,914
QSX6
DZ2J180(M)
D909,913
1SS355
D901-D904
D907-D908
D911-D912
AUXIO
SURGE
AUXIO
[1-8]
PROTECT
[1-8]
AUXIO9
MC2850
TXD2
RXD2
TXD0
RXD0
(RTS0)
(CTS0)
SB
50C
CN901
35

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