Kenwood NX-900 Service Manual page 103

50C
Q1
Q4
SC5383-T111 2SC5383-T111
Ripple
R FILTER
/T_R
T/R SW
Q7
SSM6L05FU-F
Q8
SSM3J05FU-F
00MRG
VCO
Q5,Q6 BUFF
MCH3914(8)-H
Q9
2SC5636 2SC5636
)
K(F)
CV
C5(2/2)
W51FK(F)
50C
50R
IF
AMP
Q204
2SC3356(R23)
IC203(1/2)
TC75W51FK(F)
IF IC
VAGC
IC202
TK10931VTL-G
IC203(2/2)
TC75W51FK(F)
RSSI
FM_DET
CF203
L72-1040-05
RFAGC,ASSIST,DSW
/T_R,W_/N,W_/V,/H_L
SCK1,SDO1
CV,THP,RSSI,ASQDET
VAGC,PLD,MPL,BLVL 33A_2
50k
BUFF
IC704
MCP6021-E/0T
OD_REF
IC703(1/2) IC703(2/2) IC719(8/8)
TC75W51FK(F) TC75W51FK(F) R2A20178NP
SQAPC
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)
IC708
TC75W51FK(F) TC75W51FK(F)
IC
TC7W53FK(F)
LPF
SUM
/SCSW
IC702(2/2) IC702(1/2)
TC75W51FK(F) TC75W51FK(F)
OD
LPF
LPF
TC75W51FK(F)
IC720
TC75S51FE(F)
I
LPF DI
ONESW,AMT,STSW,BEEP,TONE,/PRST
MM,MM2,INAMT,/SCSW,RTS0,PBSHIFT
XD[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
E40-6361-05
50C 50C
D101,205
HVC131
T/R
DIV BPF
AMP AMP
SW
Q10 Q420
2SC5108(Y)F
80T 50R
50R
BPF
LPF
BUFF
Q208
2SC5636
50R
XF202
MCF
IF
AMP
L71-0649-05
Q205
2SC3356(R23)
50R
IF_DET
BUFF
IC201
MCP6021-E/0T
SW
Q701
SSM3K15TE(F)
33A_2
TC75W51FK(F)
BUFF
DEO
SW OPT10
OPT10SEL
Q708
2SA1832(GR)F
IC719(5/8)
R2A20178NP
DAC
IC713
TC7W53FK(F)
INAMT
/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
IC709(1/2) IC719(1/8)
R2A20178NP
DAC
AMP
IC719(2/8)
R2A20178NP
/EVCS,SCK0,SDO0
DAC
/EVCS,SCK0,SDO0
CN597
Display UNIT
E40-6558-05
BLOCK DIAGRAM
80T 80T +B
PRE-
DRIVE DRIVE FINAL
RFRF POWER
AMP
AMP MODULE
Q150 Q151
IC102
2SK3077F RD01MUS1-T113
RA45H76871101
80T
IC719(7/8)
R2A20178NP APC
APC
MP
DAC
IC103
NJM12904RB1
/EVCS,SCK0,SDO0
50R
IC716 L907
CMY210 L79-1928-05
1st
MIXER
TC75W51FK(F)
IC705(1/2) Q702 D703
TC75W51FK(F) 2SC5383-T111 RB706F-40
BPF AMP DET
SB
AMP
IC711(1/2)
VREF
LEVEL SHIFT
TC7WBD125AFK
Q709
RT1N141U-T111
Q710
DTC363EU
I2CCK
IC514
MUTE I2CDT
Q707
2SJ243-A
MI2
IC516
MI1
TC7WH126FU-F
LEVEL SHIFT
Q706
50MC
2SJ243-A
MM
RXD0
CTS0
TCXO_MOD(no use)
50MC
VCO_MOD
TXD0
RTS0
50MC
IC515
LEVEL SHIFT
TC7WT126FU-F
IC512
TC7SET08FU-F
TXD1
SCTXD
NX-900
D103
MA4PH633
D925,926
RKP351KW-1P2
D920,921
RN142S
CM ANT ANT
COUPLER SW LPF
FWD REV
DET DET TEMP
80T
D109 D108 DET
HSB88AS-E HSB88AS-E
TH102
ERTJ0EV104H
80R
L906
L79-1928-05
LNA
Q2
RF LEVEL
3SK293-F
LIMITER
D923,924
RN142S
IC705(2/2)
BUFF ASQDET
SB
SPI
IC715
LA4425A
HOR
PA
SPO
MI2
ME
DI
BER_CLK
DEO
50C
BER_DATA
AFO
IC517
AUXIO[1-9]
I2CCK
I/O Expander
I2CDT
AUXO1
PCA9535BS
AUXO2
SB
IC513
50C
TC7SET08FU-F
/INT25P
TXD2
TXD2 BUFF
25P_TXD2
D506,507
RXD2
1SS416
RXD2
G_RXD2
50MC
TXD0
RXD0
RTS0
IC518
CTS0
RS-232C Driver
ADM202EARNZ
806-825MHz(TX)
851-870MHz(TX/RX)
CN705
6pin Option Connector
E40-6528-05
Ext SP JACK
J701
E11-0425-05
VOLTEGE D905
PROTECT UDZW18(B)
VOLTEGE D906
PROTECT UDZW18(B)
D901-904
SURGE
D907-908
PROTECT
D911-912
VOLTEGE
IMVERTER
PROTECT
Q901,Q902 D910,914
QSX6 UDZW18(B)
CN600-CN901 D909,913
D-SUB UNIT 1SS355
103