Block Diagram - Kenwood NX-210(G) Service Manual

NX-210(G)
TX-RX unit (X57-9270-12)
/SCRST,SCSCK,/
SCREQ,SCBSY,SCMOSI,SCBCK,
/SCSS,SCMISO,/SCWKUP,/SCBFS
IC303 IC305
Flash
SRAM
ROM
IC301 TC74LCX245FK
IC302 TC7WZ245FK-F
BUS SW
33M
TV1
5A
TV2
LCDCNT
INTMIC
ME
KEYO0,KEYO1,KEYO2,KEYO3
KEYI0,KEYI1,KEYI2,KEYI3,KEYI4
Q303 2SA1832(G,R)F
Q305 2SC5383-T111
AVR SB2
5A
Q301 2SA1362-F(GR)
Q302 2SC5383-T111
AVR
5A
BLC
Q304
SSM3K15TE(F)
CN201
Volume +B
SB1
33A
VOL
ENC1
ENC2
ENC3
ENC4
Selector
CN806
/PTT,/KEYI2,KEYO3,/KEYI3
/EMG
IC308
R2023T
32.768kHz
CN10
OPT5
3.1V
3.1V
AVR
IC4
BU31TD3WG
90

BLOCK DIAGRAM

SM5023CNDH-G
IC310
33M
15M
DSP IC304
HD2
/DRST,DCLK,/HDS2,/
HRDY,/SYMTIM,/RSSITIM,/
DINT,/SWUP,FSDET,/HINT
MCD1AF,/MCSCKAF,/MCCSAF,MCD0AF,
MCD1CN,/MCCXCN,/MCD0CN,/
MCCSRCN,MCSCKCN
D0~15,A0~20,/RD,/WR,/CS0,/CS2,/CS3,/CS4
IC801
33A
R2A20178NP
(3/8,4/8)
DAC
SDO0,SCK0
/EVCS,EVRST
(7/8)
/PTT,/LCDRST
SB2
Q215
EMD12
LED_G
DC SW
SBC
DC
SW
Q213
EMD12
DC SW
LED_R
SBC
TXD0,RXD0
RTS0,CTS0
DSR,/PTT
/PTT,/UDET
RXD3
ENC1,ENC2
ASQDET
ENC3,ENC4
VOX
/BINT,/PSW
VOL
BATT
PFKEY
BLC,MM,/AMT,EXAMT,INAMT,/AMT
SCSW,STSW,TONESW
/MNDNU,BEEP,5UC
/RINT
32K
I2CCK,I2CSDA
RTC
I/O Expander
/OINT
IC311
PCA9535BS
X301
CN321
26pin Option Board
SUB (GPS) Unit (X58-524)
RXD TXD
3.1V
5A
GPS
BUFF
Receiver
OPT5
IC2 IC1
TC7WH126FU-F W02-3768-05
I2CCK
I2CSDA
IC501
LM73CIMKX-0
X302
18.432MHz
33C
Temp.
Sensor
VC
33M
TCXO
PLL_MOD
TCXO
X501
19.2MHz
PLD
SDO1
SCK1
HD2
/PCS_RF
/PCS
IC312
TC7SH08FU-F
33A
15M
33M
IF_DET
IC306
XC6109C29AN-G
RESET 33M
IC815
BU7242NUX)(2/2) 2SC4617(S)
BPF
BU7242NUX(2/2)
ASIC
IC309 IC811
BU7242NUX(1/2)
ASQAPC
LPF
/SCSW
IC802
BU7465HFV
RXAF
LPF
RXEO to RXEI from
Scrambler Scrambler
Q801
SSM3K15TE(F)
AI from VGS
TONE
SW
TONESW
IC804
BU7465HFV BU7242NUX(1/2)
MIC
LPF
DTI from ANI
TXI from Scrambler
IC803 IC803
BU7242NUX(2/2) BU7242NUX(1/2)
MOD
LPF
CN5
Q507 2SC5383-T111
Ripple
50C
Filter
T/R
Q510 EM6M2
SW
Q511 2SJ347F
IC503
SKY72300-362
Loop
VCO
Filter
Q502
2SK879-F(Y)
PLL
CV
IC505
BU7242NUX(1/2)
VCO MOD
150C
Q501
2SC5383-T111
Ripple
Filter
IC504
LMC7101BIM5
ASSIST
RF
SW
Q506
2SC5108(Y)F
D505,515
RN142Sx2
x3
IC506 CF502
MCP6021-E/OT 450kHz
IF
BPF
AMP
Q808 D807 IC815
RB706F-40 BU7242NUX(1/2)
ASQDET
AMP Rect AMP
IC811
APC
LPF
IC801
R2A20178NP(8/8)
DAC DAC_23
Q802 2SA1832(GR)F
OPT10
MUTE
AMT
IC809
IC801
BU7242NUX(2/2) R2A20178NP(6/8)
SUM DAC
IC805
TC7W53FK(F)
STSW
OPT9
MUTE
IC810
TC7W53FK(F)
IC806
TC7W53FK(F)
OPT6
AO to VGS
IC807 IC808 IC813
74HC1G66GW BU7242NUX(1/2)
SUM MUTE AMP
/SCSW
AGC
TXO to Scrambler D801,802 RB706F-40
Q803 2SC4738(GR)F
Q804 2SA1832(GR)F
IC807 IC801
BU7242NUX(2/2) R2A20178NP(1/8)
LPF SUM DAC
DI
BUFF
AMP
Q512
2SC5636
Q508,509 2SK508NV(K52)
D503 HVC376B
D504 1SV325F
D516 1SV278F
D508,509,510,511,512,513
1SV282-Fx6
L522,527,528
BPF(RX)
L513,517,523
BPF(TX)
D
R
CF501 450kHz
BPF
2
IF SYSTEM
IC507
TK10931VTL-G
INAMT
EXAMT
IC801 IC
R2A20178NP(5/8) TC75S
DAC A
IC8
VOX AMP
BU7
D80
Rect
KDR
IC8
VOX
BU7
AMP
(2/2
Q807
2SJ243-A
MUTE
MM
IC801
R2A20178NP(2/8)
DAC