Kenwood NX-220 K Service Manual page 110

Vhf digital transceiver
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TX-RX unit (X57-8040-10)
PCK_DSP
/PCS_DSP
PLL MOD
IC601
IC605
Flash
DSP
SRAM
Memory
IC603
/DINT, FSDET, /HINT, /DWUP
Q602
SSM3K15TE(F)
MCDIAF, /MCSCKAF, /MCCSAF, MCD0AF,
MCDICN, /MCCSXCN, HOST_RDY, DSP_ST,
MCSCKCN
/CS0, /CS2, /CS3, /CS4
D0~D15, A0~A20, /WR, /RD
SDO0, SCK0, SDI0
/EVCS, /LCDCS
SDI0
DISP_VER
33M
33M
SB2
IC613
KXSD9-2050
50C
33A
Motion
Sensor
IC304(1/2)
TC75W51FK(F)
ASQ
ASQAPC
VCO_MOD
TV1
IC904
TV2
TC75S51FE(F)
RXAF_2
MOD
MIC
VOX
SPAF
50V
Q907
UPA672T-A
Q906
RT1N141U-T111
DC SW
MICI
+B
Q902
J1
DC SW
2SA1362-F(GR)
50V
EXT
SP/MIC
Q904,Q905
2SK3577-A
J2
DC SW
IC901
TA7368FG
CN4
MIC+
MIC–
Q903
RT1N441U-T111
SP+
SP–
CN1
+B
SB1
33A
VR1
Volume
S101
Selector
50CS
X601
IC609
SM5023CNDH-G
18.432MHz
TXCO
33M
SKY72310-362
33A 15M 33M
33C
50C
33M
15M
33C
TCXO
X401
16.8MHz
PLD
/DRST, /HDS2, /HRDY
SD01
PLL MOD
/SYMTIM
/PCS_DSP
IC612
TC7SH08FU-F
/PCS_RF
/PCS
IC611
TC7SH08FU-F
SCK1
/PCK_RF
PCK_DSP
I2CCK
IF_DET
I2CDT
IC607
XC6119C29ANR
ASQDET
RESET
33M
ASQAPC
RSSI
ASIC
IC610
BEEP, RXAF, VOICE
/T_R, /DSW, /APCSW, PDSW, ASSIST
TXC, RXC, /SAVE, SBC, DDCLK
EXTMICSW
TXD0
PTT/RXD
CN3
EXTMICSW
PTTRXD
/KEYI1
AFSW
/KEYI0
/EMG
Q901
RT1N141U-T111
PTT section
(X54-3760-XX) (B/3)
OPTDET
VOL
/BINT, /PSW,
S-DET, OPTDET
PLD
ENC1
BATT, TEMP, THP, CV
ENC2
ENC3
ENC4
Q403: 2SC5383-T111
D414: HSC119
Ripple
Filter
Q406: SSM6L05FU-F
T/R VCO
/T_R
SW
Q407: SSM3J05FU-F
IC403
Q408
2SC5636
Loop
BUFF
BUFF
VCO
Filter
AMP
AMP
Q405
2SC5108(Y)F
PLL
IC404(1/2)
Q401,Q402
TC75W51FK(F)
: MCH3914(7)-H
D410: 1SV278F
CV
D402,D403,D404,D405,
D407,D409,D411,D415
: 1SV325F
VCO_MOD
100C
Assist
50C
IC402: XC221A1200MRG
D401: DA221
Q404
D416,D417
2SC5636
1SV305F
TX: 272.0~384.0MHz
RX: 371.9~447.9MHz
BPF
x2
Q301
50CS
/T_R
2SC5108(Y)F
50.4MHz
x3
BPF
CF1
450kHz
50R
BPF
CF2
Q303
450kHz
2SC4215-F(Y)
IF IC
IF
BPF
IC302
AMP
TK10931VTL-G
IC304(2/2)
TC75W51FK(F)
33M
XC9235A15CM-G
15M
33A
XC6209B332M-G
33C
PTT
50V
Side1
Side2
/EMG
TX: 136~174MHz
D412,D413
Q102
Q103
HSC277
2SC4926YD
RD01MUS1-T113
T/R
Pre-Drive
Drive
SW
AMP
AMP
50CS
50T 50R
Q110
Q105
Q108
SSM6L05FU-F
2SC5383-T111
SSM3J05FU-F
/DSW
PDSW
PD SW
APC SW
50T
IC101
LPF
TA75W01FUF
Q106
RT1N441U-T111
APC SW
IC201(1/2)
TC75W51FK(F)
TV2
IC201(2/2)
TC75W51FK(F)
TV1
D202,D203
D204,D206
TUNE
1SV305F
1SV305F
XF1
Q201
49.95MHz
3SK318
RF
1st
MCF
BPF
MIXER
AMP
L207,L208
Q202
3SK294-FP
L509
D505: 1SS388F
IC502
D506: HRB0502A
NJM2878F4-33
IC506: LT1616ES6-PBF
38M
DC/DC
AVR
Converter
SBC
Q506
D508
IC503
SSM6N16FE-F
DAN222
/PSW
Q509
DC/DC
DC SW
EMD12
Q507
SB1
IC507
SSM6N16FE-F
IC501
XC61CC5602N-G
NJM2878F4-33
/BINT
AVR
IC505
Q501: 2SJ648-A
Q502: SSM3K15TE(F)
AVR
SB2
DC SW
BATT
IC902
SBC
XC6209B502P-G
AVR
XC6209B502P-G
5VC
50C
Q503
D902
EMD5
DAN222
50R
DC SW
Q512
SSM6L05FU-F
50CS
DC SW
Q505: 2SA1955A-F
Q511: RT1N441U-T111
DC SW
50T
D511,D512: 1SS416
IC509: TC7W53FK(F)
DC/DC
100C
Converter
Q510
RT1N141U-T111
D102,D103
HVC131
Q104
D105,D106
RD07MUS2BT112
RN142S
ANT
Final
ANT
LPF
AMP
SW
50T
APC SW
APC
+B
Q107
50C
SSM3K15TE(F)
Protect
ASQAPC
50T
IC404(2/2)
TC75W51FK(F)
/APCSW
APC SW
Q109
SSM3K15TE(F)
TUNE
BPF
L212,L213
50R
BATT
7.5V
+
S
S-DET
BATT
INT
IC504
AVR
SBC
RXC
/SAVE
TXC
DDCLK

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