77
BLOCK DIAGRAM
NX-420
DCDC
Converter
L506 , D502 , D503
IC505 LT1616ES6-PBF
IC506
XC61CC5602N-G
/BINT
Q507 FC694301
SBC
DCSW
SB1
Q508
EMD12
SBC
D506
DA3S103E
Q506 FC694301
/PSW
DCSW
Q500 2SJ648-A
Q501 FK330301
BATT
SB2
IC501
NJM2878F4-33
DC-DC
IC502
XC9235A15CM-G
LPF
ANT
SW
DC SW
Q106
RD07MUS2BT122
Q104
RD01MUS1-T113
Q102
2SK3077
+B
Final
AMP
AMP
Pre-Drive
AMP
Protect
Q107
LTC014EEBFS8
50T
ASQAPC
Q109
FK330301
Q108
FJ330301
DC SW
/DSW
Q103
2SC5383-T111
T/R
SW
50
T
50R
D102,103 HVC131
D104,105 RN142S
D411,D412
RN142S*2
RF
AMP
BPF
1st
MIXER
IC200
CMY210
MCF
XF300
49.95MHz
IF
AMP
50T
50R
IF IC
IC301
TK10931VTL-G
BPF
CF300
450kHz
LPF
Q407
2SC5636
Q405
2SC5636
VCO
Q401,Q402
MCH3914(8)-H
D402-D405 1SV325F
D406,D407 HVC376B
D408,D409 1SV278F
T/R
SW
1
1
IC402 (2/2)
BU7462NUX
50
CS
Q301
2SC5108(Y)F
IC100
NJM12904RB1
+
-
BATT
7.5V
S
S-DET
AVR
50C
DC SW
33C
50R
50T
RXC
TXC
SBC
IC504
XC6209B502P-G
IC503
NJM2878F4-33
Q505 EMD5
Q503 EM6M1
33M
15M
33A
DC SW
50CS
/SAVE
Q502 LTC014EEBFS8
Q504 2SA1955A-F
/T_R
38M
1
s
t Local
801.05
-
820.0
5MH
z
IC500
NJM2878F4-33
IC401 XC221A1200MRG
D400 DA221
50C
AVR
IC900
XC6209B502P-G
D901
DA3S103E
5VC
50V
/APCSW
Q105
FK330301
50C
BPF
L217
L79-1928-05
RF
AMP
Q408
2SC5636
50
CS
Doubler
BUFF
AMP
Q101
2SC5636
TX : 806 - 825MHz
TA : 851 - 870MHz
RF
AMP
50T
50T
L118
L79-1468-05
DC SW
APC
D200
HSB88AS-E
Q200
BB505CES-TL-E
L212
L79-1928-05
ATT
R201,R202,R203
DC SW
AVR
DC-DC
DC-DC
BATT
INT
ANT
Drive
Summary of Contents for NX-420 K
Page 80: ...NX 420 ...