Kenwood NX-220 K Service Manual page 99

Vhf digital transceiver
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111
T/R VCO
L05FU-F
/T_R
SW
J05FU-F
BUFF
VCO
AMP
Q405
2SC5108(Y)F
)
Q401,Q402
K(F)
: MCH3914(7)-H
D410: 1SV278F
D402,D403,D404,D405,
D407,D409,D411,D415
: 1SV325F
100C
IC402: XC221A1200MRG
D401: DA221
Q404
D416,D417
2SC5636
1SV305F
z
Hz
BPF
x2
50CS
/T_R
50.4MHz
BPF
CF1
450kHz
BPF
CF2
450kHz
2SC4215-F(Y)
IF IC
BPF
IC302
TK10931VTL-G
Q408
D412,D413
2SC5636
HSC277
BUFF
T/R
AMP
SW
50CS
50T 50R
SSM6L05FU-F
PDSW
LPF
TC75W51FK(F)
TV2
TC75W51FK(F)
TV1
Q303
XF1
Q201
49.95MHz
3SK318
IF
1st
MCF
AMP
MIXER
IC502
NJM2878F4-33
33M
AVR
IC503
XC9235A15CM-G
/PSW
15M
DC/DC
IC501
NJM2878F4-33
/BINT
33A
AVR
IC505
XC6209B332M-G
33C
AVR
IC902
XC6209B502P-G
50V
AVR
5VC
D902
DAN222
BLOCK DIAGRAM
TX: 136~174MHz
Q102
Q103
2SC4926YD
RD01MUS1-T113
Pre-Drive
Drive
AMP
AMP
Q110
Q105
Q108
2SC5383-T111
SSM3J05FU-F
/DSW
PD SW
APC SW
50T
IC101
TA75W01FUF
Q106
RT1N441U-T111
APC SW
IC201(1/2)
IC201(2/2)
D202,D203
D204,D206
TUNE
1SV305F
1SV305F
RF
BPF
AMP
L207,L208
Q202
3SK294-FP
L509
D505: 1SS388F
D506: HRB0502A
IC506: LT1616ES6-PBF
38M
DC/DC
Converter
SBC
Q506
D508
SSM6N16FE-F
DAN222
Q509
DC SW
EMD12
Q507
SB1
IC507
SSM6N16FE-F
XC61CC5602N-G
BATT
Q501: 2SJ648-A
Q502: SSM3K15TE(F)
SB2
DC SW
BATT
SBC
XC6209B502P-G
50C
Q503
EMD5
50R
DC SW
Q512
SSM6L05FU-F
DC SW
50CS
Q505: 2SA1955A-F
Q511: RT1N441U-T111
DC SW
50T
D511,D512: 1SS416
IC509: TC7W53FK(F)
DC/DC
100C
Converter
Q510
RT1N141U-T111
NX-220
D102,D103
HVC131
Q104
D105,D106
RD07MUS2BT112
RN142S
Final
ANT
LPF
AMP
SW
50T
APC SW
APC
+B
Q107
50C
SSM3K15TE(F)
ASQAPC
Protect
50T
IC404(2/2)
TC75W51FK(F)
APC SW
/APCSW
Q109
SSM3K15TE(F)
TUNE
BPF
L212,L213
50R
BATT
7.5V
+
S
S-DET
INT
IC504
AVR
SBC
RXC
/SAVE
TXC
DDCLK
ANT
99

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