Kenwood NX-210 Service Manual page 100

TX-RX unit (X57-7710-10)
/SCRST,SCSCK,/
SCREQ,SCBSY,SCMOSI,SCBCK,
/SCSS,SCMISO,/SCWKUP,/SCBFS
IC301 IC303
Flash
SRAM DSP IC302
ROM
/DRST,DCLK,/HDS2,/
HRDY,/SYMTIM,/RSSITIM,/
DINT,/SWUP,FSDET,/HINT
IC101 TC74LCX245FK
IC104 TC7WZ245FK-F
MCD1AF,/MCSCKAF,/MCCSAF,MCD0AF,
MCD1CN,/MCCXCN,/MCD0CN,/
MCCSRCN,MCSCKCN
BUS SW
D0~15,A0~20,/RD,/WR,/CS0,/CS2,/CS3,/CS4
IC801
33A
33M AK2330
TV1
5A
(3/8,4/8)
DAC
TV2
SDO0,SCK0
LCDCNT
/EVCS,EVRST
(7/8)
INTMIC
ME
KEYO0,KEYO1,KEYO2,KEYO3
KEYI0,KEYI1,KEYI2,KEYI3,KEYI4
/PTT,/LCDRST
SB2
Q101 2SA1832(G,R)F
Q103 2SC4617(S)
AVR SB2 Q215
EMD12
5A DC SW
Q102 2SA1362-F(GR)
DC
Q104 2SC4617(S)
SW
Q213
EMD12
AVR
DC SW
5A
BLC TXD0
RXD0
Q105
RTS0
SSM3K15TE(F)
CTS0
DSR
/PTT
/UDET
RXD3
ENC1
ENC2
ASQDET
ENC3
VOX
ENC4
VOL
/BINT
BATT
/PSW
PFKEY
BLC
MM
SCSW
/AMT
STSW
EXAMT
INAMT
TO DSP BEEP
TONESW
/MNDNU
5UC
/RINT
I2CCK,I2CSDA
IC306
RTC
RV5C386A
I/O Expander
/OINT
IC309
PCA9535BS
X301 32.768kHz
CN336 26pin Option Board
CN923
26pin Option Board
I2CCK
Q507 2SC5383-T111
I2CSDA
Ripple
50C
Filter
IC501
LM73CIMKX-0
X302
18.432MHz
SM5023CNDH-G 33C
Temp. IC503
IC307 Sensor SKY72300-362
VC
33M
TCXO
TCXO
33A 15M 33M
VC
MOD VC
TCXO
33M
IC502 X501
19.2MHz
TLV2381IDBV
15M PLL
HD2 CV
PLD
SDO1
SCK1
VCO MOD
HD2
150C
/PCS_RF
Ripple
/PCS Filter
IC310
TC7SH08FU-F
ASSIST
Q506
2SC5108(Y)F
x3
IC506
MCP6021-E/OT
IF_DET
AMP
IC305
XC6109C29ANN
RESET 33M
LED_G
IC815 Q808 D807
TC75W51FK(F)(2/2) 2SC4617(S) RB706F-40
BPF AMP Rect
SBC
IC811
TC75W51FK(F)(2/2)
LPF
LED_R IC308 IC811
TC75W51FK(F)(1/2)
IC801
ASQAPC
SBC AK2330(8/8)
LPF
Q802 2SA1832(GR)F
/SCSW
MUTE
AMT
IC802 IC809
TC75S51FE(F) TC75W51FK(F)(2/2)
RXAF
LPF SUM
IC805
TC7W53FK(F)
STSW
RXEO to RXEI from
Scrambler Scrambler
Q801
OPT9
SSM3K15TE(F)
AI from VGS
MUTE
TONE
SW
IC806
TC7W53FK(F)
TONESW
IC804 IC807 IC808
TC75S51FE(F) TC75W51FK(F)(1/2) TC7S66FUF
MIC
32K
LPF SUM MUTE
/SCSW
DTI from ANI TXO to Scrambler
TXI from Scrambler
IC803 IC803 IC807
TC75W51FK(F)(2/2) TC75W51FK(F)(1/2) TC75W51FK(F)(2/2)
MOD
LPF LPF SUM
DI
CN806
T/R
Q510 SSM6L05FU
SW
Q511 2SJ347F
Q514
2SC5636
Loop BUFF BUFF
VCO
Filter AMP AMP
Q512
Q502
2SK879-F(Y) 2SC5636
Q508,509 2SK508NV(K52)
D503 HVC376B
D504 1SV325F
IC505
D516 1SV278
TC75W51FK(F)(1/2)
D508,509,510,511,512,513
1SV282-F*6
BUFF
AMP
50C
Q501
2SC5383-T111
Q513
2SC5636
IC504
LMC7101BIM5
L522,527,528
BPF(RX)
RF RF
SW L513,517,523 SW
BPF(TX)
D505,515 D517,518
HVC131*2 HVC131*2
CF501 450kHz
BPF
CF502 Q515 XF501
450kHz 2SC4215-F(Y) 58.05MHz
IF AMP
IF IF
BPF IC507 MCF
AMP
TK10931VTL-G
IC815
TC75W51FK(F)(1/2)
AMP ASQDET
+B Q810 2SB1132(Q,R)
Q809 UMG3N
APC
AVR
Q806
SSM6N16FE-F
INAMT
DAC_23
DAC
EXAMT
INAMT
OPT10
IC816
TC7W66FK-F
IC801 IC801 IC814
AK2330(6/8) AK2330(5/8) TC75S51FE(F)
DAC DAC AMP
EXAMT
IC812
VOX AMP
TC75S51FE(F)
D803
Rect
RB706F-40
IC810
TC7W53FK(F)
OPT6
IC813
VOX
AO to VGS RXD3
TC75W51FK(F)
AMP
(2/2)
IC813 Q807 Q811 SSM3K15TE(F)
TC75W51FK(F)(1/2) 2SJ243-A Q812 2SJ347F
AMP MUTE
MUTE
MM
AGC
D801,802 RB706F-40
Q803 2SC4738(GR)F
Q804 2SA1832(GR)F
TCXOMOD
IC801 IC801
AK2330(1/8) AK2330(2/8)
DAC DAC VCOMOD
/EMG
D519,520 Q516 Q518 Q520
HSC277*2 2SK3077F RD01MUS1-T113 RD07MVS1BT122
Pre-
T/R Drive Final
Final
SW AMP AMP
AMP
Q526
EMD5
Q519
DC SW DC SW
2SC5383-T111
IC511
/DSW
TA75W01FUF
APC
LPF
Q523 Q525
DTC144EE 2SK1824-A
DC SW Protect
Q521
SSM3K15TE(F)
50R
/APCSW
IC509
TLV2381IDBV
IC510
TV2
TLV2381IDBV
TV1
TUNE TUNE
Q517
3SK318
1st RF
BPF BPF
MIXER AMP
L546,553 L559,564
Q522
3SK294-FP
33M AVR
IC203
XC6204B332D
IC202
XC9235A15CM 1
15M DC-DC /PSW
IC201
XC6204B332D /BINT
CN805
IC103 33A AVR
TPA6201A1DRBR
SCTAM1
IC207
TK71733S
33C AVR
IC817
31BU
TPA6201A1DRBR
SBC
CN804
EMC
CTS0 MSW SB2
SSW
/UDET
/PTT PTT
PFKEY PF
15V
OPT
5V
50U
TXD Q212 SSM5H01TU-F
IC211 XC9101D09AKR
RXD
NC
INTMIC
CN201
+B
SB1
33A
VOL
Volume
ENC1
Selector
ENC2
ENC3
knob
ENC4
TX/RX : 136~174MHz
D529,530
D531,532
HVC131*4
ANT
LPF
SW
+B
APC
IC505
TC75W51FK(F)(2/2)
L213,D216,D204
50R
IC206 LT1616ES6-PBF
BATT
DI
7.5V
DCDC
+
Converter
SBC
D209
Q203 SSM6N16FE-F
1SS301F
DCSW
S
S_DET
IC209
SB1 Q207
Q204 SSM6N16FE-F
XC61CC5602NR
EMD12
RESET
IC210
S-812C31BPI-G
DCSW AVR
Q211 2SA1955A-F
Q209 SSM3K15TE(F)
D212
DCSW 1SS301F
Q208
SBC
2SA1955A-F
Q210
SSM3K15TE(F)
Q201 2SJ648-A
Q202 SSM3K15TE(F)
DCSW
DCDC
BATT
Converter IC205 XC6204B502PR
5A
AVR
IC818 NJM2880U105ZB
50U AVR
5UC
IC204
TK11250CUCB
50C AVR
Q205 SSM6L05FU-F
/SAVE
50R DC SW
5RC
Q206 2SA1955A-F
50T DC SW
/5TC
IC208
TC75S51FE(F)
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