Kenwood NX-420 K Service Manual page 77

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