Kenwood NX-800 Service Manual page 98

NX-800
CN401
DCin
(13.6V)
GND
CN402
E41-0927-05
CN403
1
2
DTC114TE
SCTAM1 33M
SCBSY
SCRXD
SCTXD
BER_CLK
BER_DATA
98
BLOCK DIAGRAM
+B
F401
F53-0328-05
DCDC
50M
Converter
IC405
XC6204B332P1
3.3V AVR
IC402
XC6204B332P1
3.3V AVR 33A
IC408
XC6204B332M SSM6L05FU
SBC_2 DC SW
DC SW 50MC
Q412
2SA1955A-F
33M
SBC_2
D408
1SS301F
1.5V AVR 15M
IC409
XC6205B152PRN
DC SW SB
Q404
2SJ645
SBC_2
8V AVR
IC403
Detect /BINT
NJM78M08FA-ZB
DC SW
IC401
XC6108C23CMN
DC SW
Protect
SBC_2
D401
02DZ18F-X,Y
Q401
DTC114EE
DCDC
SBC
Converter
IC410
XC9101D09AKR
/IGN 5V AVR
Q403 IC404
TA7805FQ
33M
IC509
TC7WT125FUF
BUFF
/BER_EN
33M
33BU
33M
1.5V AVR 15M
TCXO_MOD
Q416 IC409
XC6205B152PRN
33A2
DC SW SCTAM1
Q405
2SA1955A-F
/BINT
DC SW 33BU
Q411
2SA1955A-F
CN405
/RST Buck UP Battery
RESET /RST
IC506
XC6109C29ANLN
80C
80T
Q407
12A02CH
TXC
80R
Q408
12A02CH
RXC
150C
50C
DC SW 50R
Q409
12A02CH
RXC
DC SW 50IF
Q416
SSM6L05FU
IFC
3.3V AVR 33C
IC406
TK71733S
3.3V AVR 33GPS
IC407
XC6204B332M
IC508
SM5023CNDH-G L77-3015-05
Main_CLK
BUFF 18.432MHz
15M
Main_CLK
/SYMTIM,FSDET,/DWUP,/DINT
/MCCSRCN,/MCCSXCN,MCDOCN.MCDICN
/MCCSAF,MCDOAF,MCDIAF
MCSCKAF
IC511
IC502
TC7SH08FU-F
DSP
HD2
TC7SH08FU-F
BCLKX0
BCLKR0
A[0-20],D[0-15],/RD./WR
/CS0,/CS2,/CS3,/HRDY,/WP
/FRST,/DRST,/HINT,/HDS2
IC501
FLASH ROM
IC503
SRAM
/RST
IC1
33C
LM73CIMKX-0
TEMP
I2CCK
SENSOR
I2CDT
X1
33C
L77-3016-05
VCTCXO
BUFF 19.2MHz BUFF
IC2 Q11
LMC7101BIM5 2SK1215-E(E)
SCK1,SDO1,/PCS_RF
50R
3
Q203
2SC5636
(Wide)
D201
DAN235E
CF
SW
33C
(Narrow)
SW
Q201 DTA114EE
W_/N
Q202 DTC144EE
W_/N
Q212
EMD9
Main_CLK
33M 15M
X502
VCTCXO
BSHIFT
SCBSY
IC510
CPU
/PCS_RF
/PCS
IC505 MCSCKCN
R567
150
/RINT
32K
I2CCK.I2CDT
33BU
IC504
RTC
RV5C386A
X501
32.768kHz
L77-1802-05
33C 50C
IC3
PLL
PLD
2nd Local
BPF
CF201
D202
DAN235E
CF
SW
CF202
SW CD
CD201
L79-1850-05
/RST