Kenwood NX-200 Service Manual page 106

Control Unit (X53-4590-XX)
IC101 IC103
Flash
DSP
SRAM
IC102
Memory
/DRST,DCLK,/SYMTIM,/RSSITIM,
/DINT,/SWUP,FSDET,/HINT
IC401
TC74LCX245FK
MCD1AF,/MCSCKAF,/MCCSAF,MCD0AF,MCD1CN,
BUS SW
IC402
/MCCXCN,/MCD0CN,/MCCSRCN,MCSCKCN
TC7WZ245FK-F
D0~15,A0~20,/RD,/WR,/CS0,/CS2,/CS3,/CS4/HDS2,/HRDY
/LCDRST
TXD0,RXD0,RTS0,CTS0
DSR,/PTT,/UDET,RXD3
IC703
33M
M62364FP-F(7/8) ENC1,ENC2,ENC3,ENC4
LCDCNT
/BINT,/PSW
DAC
IC1
NJM2130F3-ZB
–10V ASQDET
VOX
12key Back Light
VOL
SB2 5A
BATT
PFKEY
AVR BLC
Q101 2SA1832(GR)F
BLC
D1,2,5,6,9,10
Q102 KTC4075E(Y,GR)
MM
Q103 SSM3K15TE(F)
SCSW
/AMT
STSW
EXAMT
SB2 5A
INAMT
LCD Back Light
BEEP
TONESW
AVR BLC
/MNDNU
5UC
Q1 2SA1362-F(GR)
D3,4,7,8
Q2 KTC4075E(Y,GR)
Q3 SSM3K15TE(F)
BL_SB
Q415
EMD12
DC SW
SBC
Q414
EMD12
DC SW
33A
+B
SBC
IC703
TV1 M62364FP-F (3/8,4/8)
DAC
TV2
RSSI , THP , VAGC , CV , S-DET
/EMG , /PTT , Side_1 , Side_2,Side_G , IFC ,
5RC , 5TC , /DSW , /APCSW,SBC , /T_R ,
ASSIST , SDO1 , SCK1 , PLD
I2CCK,I2CSDA
TO DSP
IC106
RTC
I/O Expander
RV5C386A
IC701
PCA9535BS
X101 32.768kHz
CN710 26pin for GPS or Option Unit
X102
18.432MHz
SM5023CNDH-G
IC107
VC
33M
TCXO
33A 15M 33M
IC105
XC6109C29AN-G
RESET 33M
IF_DET
IC711 Q704
TC75W51FK(F)(2/2) KTC4075E(Y,GR)
BPF AMP
ASQAPC
LPF LPF
IC702 IC702
TC75W51FK(F)(1/2) TC75W51FK(F)(2/2)
ASIC
IC108
/SCSW
AMT
IC704
TC75S51FE(F)
RXAF
LPF
LED-G
IC707
TC7W53FK(F)
LED-R
Q702
SSM3K15TE(F)
TONE
SW
SDO0,SCK0
/EVCS
TONESW
IC706 IC710
TC75S51FE(F) TC75W51FK(F)(1/2)
MIC
LPF SUM
/RINT
32K
IC705 IC705
TC75W51FK(F)(2/2) TC75W51FK(F)(1/2)
MOD
LPF LPF
/OINT
KEY Matrix
(12key)
IC404
XC6204B332D-G
33M AVR
IC717
Q402 SSM6N16FE-F
XC9235A15CM-G
DCDC
15M /PSW
Q401 SSM6N16FE-F
IC406
/BINT
XC6204B332M-G
AVR
33A
SCTAM1
Q413 2SA1955A-F
Q412 SSM3K15TE(F)
31BU
Q409
2SA1955A-F
Q410
SSM3K15TE(F)
SB2
BATT
5A
DCDC
-10V
IC403 LM2682MMX
50U
D705 IC711
KDR731 TC75W51FK(F)(1/2)
Rect AMP ASQDET
APC
IC703
M62364FP-F(8/8)
DAC
DO
INAMT
EXAMT
IC713 IC703 IC703
TC75W51FK(F)(2/2) M62364FP-F(6/8) M62364FP-F(5/8)
SUM DAC DAC AMP
IC408
TC75S51FE(F)
STSW
IC715
AMP
VOX
TC75S51FE(F)
OPT9
AI from VGS MUTE
D706
Rect
IC714 KDR731
TC7W53FK(F)
IC709
TC7W53FK(F)
OPT6
VOX
IC716
AO to VGS
AMP TC75W51FK(F)(2/2)
IC712 IC716 Q707
TC7S66FUF TC75W51FK(F)(1/2) 2SJ243-A
MUTE AMP MUTE
/SCSW MM
AGC
D703,704 KDR731
Q705 2SC4738(GR)F
Q706 2SA1832(GR)F
IC710 IC703 IC703
TC75W51FK(F)(2/2) M62364FP-F(1/8) M62364FP-F(2/8)
SUM DAC DAC
DI
D406 , D405
IC407 LT1616ES6-PBF
DCDC
+B
Converter
SBC
D408
1SS301F
DCSW
Q408 IC414
SB1
EMD12
XC61CC5602N-G
RESET
IC416
S-812C31BPI-G
DCSW AVR
DCSW
D412
1SS301F
SBC CN403
+B
Q403 2SJ648-A
Q404 SSM3K15TE(F) SB1
33A
DCSW
VOL
IC708
XC6209B502P-G
ENC1
AVR
ENC2
ENC3
ENC4
AVR
IC411
CN23
5UC
NJM2880U105ZB
6_KEYO2
6_KEYO1
6_KEYO0
6_KEYI0
+B Q406 2SB1132(Q,R)
6_KEYI1
Q407 UMG3N
AVR
Q405
SSM6N16FE-F
BL_SB
IC413
TPA6201A1DRBR
INAMT
IC409
TC75W66FK-F
EXAMT
CN405
IC412
TPA6201A1DRBR
MSW
/UDET
/PTT
PFKEY
RXD3
50U
Q4 SSM3K15TE(F)
Q5 2SJ347F
MUTE
MSW
VCO_MOD
TCXO_MOD
Volume
S1
VR1
Selector
KEY
Matrix
(6key)
6key
Back Light
INT SP
INT MIC
EMC
MSW
SSW
Universal
PTT
Connector
PF
OPT
5V
TXD
RXD
NC