Kenwood NX-720 Service Manual page 117

Q4 2SC5383-T111
D14 DA2S101
Rippple
50CS
Filter
T/R
SW
IC2
SKY72310-362
Loop
Filter
IC3(1/2)
BD7542FVM
PLL
CV
VCO MOD
150C
ASSIST
50C
IC3(2/2)
ASTSW
BD7542FVM
Fin
TX:272 - 348MHz
RX:371.9 - 447.9MHz
/T_R
Q303
2SC5108(Y)F
BPF
X3
CF1
450kHz
50R
BPF
50R
CF2
450kHz
IF IC
BPF
IC303
TK10931VTL-G
33A_2
C304
445HFV
0
G_RXD2
10
D_RXD2
IC703(1/2)
F
BU7462NUX
DI
32(GR)F
LPF
38(GR)F
33A_2 MM2
MI2
MUTE
DI_MI2
MUTE
MI1(MIC)
IC703(2/2)
Q705
BU7462NUX
SSM3J15FS
33A_2 MM
D
IC712(3/8)
R2A20178NP
DAC
MP
CS,SCKO,SDOO IC712(7/8)
R2A20178NP
LPF DAC
DEO_AFO
C702(2/2)
7242NUX /EVCS,SCKO,SDOO
DET
BUFF
IC705(2/2)
Q702 BU7242NUX
75E(Y,GR) PLD
IC712(5/8)
R2A20178NP
AF2
DAC SPAF
/EVCS,SCKO,SDOO
IC712(8/8)
R2A20178NP
DAC PAAF
/EVCS,SCKO,SDOO
IC713 IC712(6/8)
TC7W53FK(F)
R2A20178NP
DAC
DEO_AFO
/EVCS,SCKO,SDOO
MRSW
BLOCK DIAGRAM / 方块图
Q8 EM6M1
Q9 SSM3J15FS
/T_R
Q11
D16,17
2SC5108(Y)F
RKS151KJ*2
BUFF
VCO BUFF
Q10
2SC5108(Y)F
Q6,7
50CS
MCH3914(7)-H
D4,5
1SV325F
50C DC SW
D7,8,9,10,11,12
1SV282-F Q106
D15
HSW EMD5
1SV278F
Q1: LTC014EEBFS8
DC SW Q2: 2SJ648-A
D2: DZ2J091(M)
50CS
D6,13
1SV305F
BPF
2
Q5
2SC5108(Y)F
Q305
XF1
2SC4215-F(Y)
49.95MHz
IF
MCF
AMP
80ANT
80T
150C
Q415: 2SC4738(GR)F
Q416: 2SA1832(GR)F
50C
DC SW
50R
Q417
EMD5
RXC
50CS DC SW
Q408
EMD5
/SAVE
Q102
IC102
2SC3357-A RA60H1317M1A
TX: 136 - 174MHz
T/R
DRIVE FINAL
SW
AMP AMP
80T
+B
LPF
80T
MP
/H_L
150C
IC201(2/2)
BD7542FVM
TV1
IC201(1/2)
BD7542FVM
TV2
D202,203
1SV283F
TUNE
Q201
Q202
3SK318
NESG240034
1st
BPF LNA
MIX
L207,209
L210,220
+B
SB
F503
80C
DC SW 8V AVR
Q402
IC1
2SA1955A-F
TA7808F-NQ
DSW
DC SW
Q404
2SA1955A-F
TXC
DCDC
50M
Converter
DDCLK
50MC DC SW
Q410
5V AVR
2SA1955A-F
IC404
SBC2
XC6209B502P-G
33M 3V AVR
IC401
XC6209B332M-G
33C
3V AVR
IC409
NJM2878F4-33
SBC2
3V AVR
IC407
NJM2878F4-33
GPSC
33A 3V AVR
IC406
XC6209B332M-G
DC SW
33A_2
Q409
EM6M1
SBC2
1.5V AVR
15M
IC408
XC6205B152P-G
NX-720
D110,111 L407CDB
D107 RKP351KW-1P2
ANT ANT
CPL
SW LPF
D104
HSM88AS-E
Rev
D105 DET
HSM88AS-E
For
DET
IC103
REV
NJM12904RB1
FWD
APC
DC SW
Q105
FK330301
D204,205
D206,207
1SV325F
TUNE
BPF
L215,216
50R
F401
F53-0328-05
DC SW
Q403
MTM981400BF
SBC2
/BINT Detect
IC402
XC6118C23CMR
DCDC
Converter
IC405
LT1616ES6-PBF
F502
D401
DZ2J180(M)
/OVRB DC SW
Q401
LTC014EEBFS8
136-174 MHz
DCin
GND
117