Kenwood NX-800 Service Manual page 160

TX-RX UNIT (X57-775)
CN401
DCin +B
F401
(13.6V)
F53-0328-05
CN402
GND
DCDC
50M
Converter
IC402
IC405
XC6204B332P1 XC6204B332P1
3.3V AVR
IC408
XC6204B332M
3.3V AVR
33A
Q416
SSM6L05FU
Q412
2SA1955A-F SBC_2 DC SW
33A2
DC SW
50MC
D408
1SS301F 33M
SBC_2
IC409
XC6205B152PRN
Q404 1.5V AVR
15M
2SJ645
DC SW SB
XC6109C29ANLN
SBC_2
IC401
8V AVR
XC6108C23CMN
IC403
Q407
Detect /BINT
NJM78M08FA-ZB
12A02CH
DC SW
TXC
Q408
Protect
SBC_2
12A02CH
D401
DC SW
02DZ18F-X,Y
Q401 SBC
RXC
RT1N141U-T111
DCDC
Converter
IC410
CN403
XC9101D09AKR
E41-0927-05
1
5V AVR
/IGN
Q403
IC404
2
RT1N140U-T111 TA7805FQ
SCTAM1 33M
SCBSY
SCRXD 33M 15M
SCTXD
IC502
DSP
IC509
TC7WT125FUF
BER_CLK
BUFF
BER_DATA
/BER_EN
33M
IC501
FLASH ROM
33BU
IC503
SRAM
33C
IC1
LM73CIMKX-0
I2CCK TEMP
I2CDT
SENSOR
X1
33C
L77-3016-05
33M
Q405
VCTCXO
BUFF
2SA1955A-F TCXO_MOD
19.2MHz
DC SW
SCTAM1
IC2
LMC7101BIM5 2SK1215-E(E)
/BINT
Q411
2SA1955A-F
SCK1, SDO1, /PCS_RF
DC SW 33BU
CN405
/RST
Buck UP Battery
RESET
/RST
IC506
80C
50R
80T
X3
Q203
2SC5636
80R
D201
150C
DAN235E
CF
SW
50C
33C
Q409
12A02CH
SW
DC SW
50R Q201 RT1P141U-T111
Q202 RT1N441U-T111
W_/N
RXC
W_/N
3.3V AVR 33C
IC406
TK71733S
3.3V AVR
33GPS
33M 15M
IC407
XC6204B332M
X502
IC508
L77-3015-05
SM5023CNDH-G
VCTCXO
Main_CLK BUFF
18.432MHz
BSHIFT
SCBSY
Main_CLK
/SYMTIM, FSDET, /DWUP, /DINT
/MCCSRCN, /MCCSXCN, MCDOCN, MCDICN
/MCCSAF, MCDOAF, MCDIAF
MCSCKAF
IC511
TC7SH08FU-F
HD2
/PCS_RF
/PCS
TC7SH08FU-F
BCLKX0 IC505 R567 MCSCKCN
150
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
/RST
L77-1802-05
150C
Ripple Q1
2SC5383-T111
FILTER
/T_R
T/R SW
Q11
SSM6L05FU
ASSIST BUFF
33C 50C
Q12
2SJ347F
IC4
LMC7101BIM5
BUFF
Q11
IC3 VCO
LOOP
PLL FILTER Q5,Q6
SKY72300-362
2SK508NV(K52)
IC5(1/2)
TC75W51FK(F)
CV
IC5(2/2)
PLD
TC75W51FK(F)
VCO_MOD
Fin
LPF
2nd Local
BPF
50C
50R
IF
AMP
CF201
Q204
(Wide)
D202 2SC3356(R23)
2SC3356(R23)
DAN235E
IF IC
CF
VAGC
IC202
SW
IC203(1/2)
TK10931VTL-G
TC75W51FK(F)
RSSI
CF202 IC203(2/2)
(Narrow)
TC75W51FK(F)
SW CD
Q212 CD201
EMD9 L79-1850-05
CF203
Main_CLK /RST
RFAGC, ASSIST, DSW
/T_R, W_/N, W_/V, /H_L
SCK1, SDO1
CV, THP, THP2, RSSI, ASQDET
33A2
VAGC, PLD, MPL, BLVL
450k
BUFF
IC704
MCP6021-E/0T
IC703(1/2) IC703(2/2) IC712(8/8)
TC75W51FK(F) TC75W51FK(F) M62364FP-F
LPF
LPF DAC
ASQAPC
APC
/EVCS, SCK0, SDO0
AI
IC710
TONE TC7W53FK(F)
VREF
OPT9
STSW
IC711(2/2)
IC701 TC75W51FK(F)
IC707
TC75S51FE(F)
TC7W53FK(F)
LPF
IC510 RXAF SUM
MCU
/SCSW
AMT
RXEO RXEI
BEEP
DTI
IC706(1/2) IC706(2/2)
TC75W51FK(F) TC75W51FK(F) IC708
TC7W53FK(F)
LPF
MIC SUM
TXI
/SCSW
IC702(2/2) IC702(1/2) IC709(1/2)
TC75W51FK(F) TC75W51FK(F) TC75W51FK(F)
LPF LPF
MOD SUM
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, /BINT
CTS0, RXD[0-3]
/INT25P
OPT[1-8]
OPT11
CN595
26pin Option Board
50C
Ripple Q4
2SC5383-T111
FILTER
50C 80T 80T SB
D101,205
PRE-
HVC131
DRIVE FINAL
DRIVE
T/R
BUFF BUFF AMP AMP AMP
SW
Q9 Q101 Q102
Q10
RA55H4047A123
2SC5108(Y)F 2SC5455-A
2SC5636 2SC5636
IC712(7/8)
M62364FP-F
APC
DAC
MP
50C /H_L
50R
/EVCS, SCK0, SDO0
BUFF
LPF
BUFF
Q3 Q208
2SC5636 2SC5636
IC204
SPM5001
50R
50R XF202
L210,212,215 D207,208
MCF
L39-1498-05 D209,210
1SV286F
1st
IF
BPF
AMP MIXER
Q205
150C
IC712(4/8)
M62364FP-F
TV2
DAC
BUFF
IC205
LMC7101BIM5
/EVCS, SCK0, SDO0
50R
IF_DET
BUFF
IC705(1/2) Q702 D703
IC201
2SC5383-T111 RB706-40
TC75W51FK(F)
MCP6021-E/0T
SW BPF AMP DET
Q701
SSM3K15TE(F)
33A2
IC711(1/2)
TC75W51FK(F)
BUFF VREF
DEO
SW
OPT10
Q708
OPT10SEL
2SA1832(GR)F LEVEL SHIFT
TC7WBD125AFK
Q709
RT1N141U-T111
IC712(5/8) Q710
M62364FP-F DTC363EU
I2CCK
IC514
DAC MUTE I2CDT
IC713
TC7W53FK(F)
/EVCS, SCK0, SDO0 INAMT
AO
OPT6
D704,705 RD706F-40
Q704 2SC4738(GR)F
Q705 2SA1832(GR)F
MM2
LIMIT Q707
2SJ243-A
IC709(2/2)
TXO
TC75W51FK(F) MUTE MI2
TC7WH126FU-F
MUTE
SUM MI1
AI
Q706
TONE 2SJ243-A
MM
IC712(1/8)
RXD0
M62364FP-F
CTS0
DAC TCXO_MOD
IC712(2/8)
M62364FP-F
/EVCS, SCK0, SDO0
DAC
VCO_MOD
IC712(6/8)
TXD0
M62364FP-F /EVCS, SCK0, SDO0
DAC DI RTS0
/EVCS, SCK0, SDO0
TC7WT126FU-F
IC512
TC7SET08FU-F
TXD1
SCTXD
CN597
Display UNIT
D103 L407CDB
D104 L407CDB
D106 L7091CER
ANT
ANT
SW LPF
IC102
TEMP
80T
DET
THP,THP2
PWR
APC
DET
D108,109,110
IC101,103
HSM88AS-E
TA75W01FUF
80R
D212,213
1SV286F
LNA
BPF
Q210
2SC3357-A
150C
IC712(3/8)
M62364FP-F
TV1
DAC BUFF
IC206
LMC7101BIM5
/EVCS, SCK0, SDO0
IC705(2/2)
TC75W51FK(F)
BUFF ASQDET
SB
SB
SPI
AMP
IC715 CN705
HOR
LA4425A
6pin Option Connector
PA
Ext SP JACK
SPO J701
E11-0425-05
MI2 VOLTEGE D905
PROTECT 02DZ18F-X,Y
ME
DI
BER_CLK
VOLTEGE D906
50C DEO
BER_DATA
02DZ18F-X,Y
PROTECT
AFO
D901 D904
SURGE
D907 D908
PROTECT
D911 D912
IC517 AUXIO[1-9]
I2CCK VOLTEGE
I/O Expander INVERTER
I2CDT AUXO1 PROTECT
PCA9535RGE
Q901,Q902 D910,914
AUXO2
QSX6 02DZ18F-X,Y
SB
CN600-CN901 D909,913
IC513
50C D-SUB UNIT 1SS355
/INT25P TC7SET08FU-F
TXD2
TXD2 BUFF
25P_TXD2
RXD2
IC516
RXD2
G_RXD2
LEVEL SHIFT
50MC D506,507
50MC
1SS416
TXD0
RXD0
RTS0
IC518
CTS0
50MC
RS-232C Driver
ADM202EARNZ
50MC
IC515
LEVEL SHIFT