Block Diagram - Kenwood NX-320 Series Service Manual

NX-320
TX-RX unit (X57-8050-XX)
IC601
Flash
Memory
33M
SB2
50C
33A
IC304(1/2)
TC75W51FK(F)
ASQ
RXAF_2
MOD
MIC
VOX
SPAF
MICI
J1
50V
EXT
SP/MIC
J2
CN4
MIC+
MIC–
SP+
SP–
98

BLOCK DIAGRAM

PCK_DSP
/PCS_DSP
PLL MOD
IC605
DSP
SRAM
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
IC613
KXSD9-2050
Motion
Sensor
ASQAPC
VCO_MOD
TV1
IC904
TV2
TC75S51FE(F)
50V
Q907
UPA672T-A
Q906
RT1N141U-T111
DC SW
+B
Q902
DC SW
2SA1362-F(GR)
Q904,Q905
2SK3577-A
DC SW
IC901
TA7368FG
Q903
RT1N441U-T111
CN1
+B
SB1
33A
VR1
Volume
S101
Selector
X601
IC609
18.432MHz
SM5023CNDH-G
TXCO
33A 15M 33M
33M
15M
/DRST, /HDS2, /HRDY
SD01
/SYMTIM
/PCS_DSP
/PCS
SCK1
PCK_DSP
I2CCK
I2CDT
ASQDET
ASQAPC
ASIC
IC610
BEEP, RXAF, VOICE
TXD0
PTT/RXD
EXTMICSW
AFSW
Q901
RT1N141U-T111
OPTDET
VOL
ENC1
ENC2
ENC3
ENC4
Ripple
50CS
Filter
33M
IC403
SKY72310-362
33C
50C
33C TCXO
X401
PLL
16.8MHz
PLD
PLL MOD
IC612
TC7SH08FU-F
/PCS_RF
IC611
TC7SH08FU-F
/PCK_RF
IF_DET
IC607
XC6119C29ANR
RESET 33M
TC75W51FK(F)
RSSI
/T_R, /DSW, /APCSW, PDSW, ASSIST
TXC, RXC, /SAVE, SBC, DDCLK
EXTMICSW
CN3
PTT
PTTRXD
Side1
/KEYI1
/KEYI0
/EMG
Side2
/EMG
PTT section
(X54-3760-XX) (B/3)
/BINT, /PSW,
S-DET, OPTDET
PLD
BATT, TEMP, THP, CV
Q403: 2SC5383-T111
D414: HSC119
T/
Q406: SSM6L05FU-F
Q407: SSM3J05FU-F
Loop
Filter
IC404(1/2)
TC75W51FK(F)
CV
VCO_MOD
100C
Assist
50C
IC
D4
K,K2,K3
TX: 450~520MHz
RX: 400.05~470.05MHz
K4,K5,K6,E,E2,E3
TX: 400~470MHz
RX: 350.05~420.05MHz
Q301
2SC5108(Y)F
x3 BPF
50R
CF2
450kHz
BPF
IC304(2/2)