Kenwood NX-300 Service Manual page 93

704
075E(Y,GR)
MP
PF
702
NUX(2/2)
F)
OPT9
AI from VGS
710
NUX(1/2)
UM
X(1/2)
IC404
XC6204B332D-G
AVR
33M
IC717
XC9235A15CM-G
DC DC
15M
/PSW
IC406
/BINT
XC6204B332M-G
AVR
33A
SCTAM1
31BU
SB2
5A
-10V
D705 IC711
50U
KDR731 BU7242NUX(1/2)
Rect AMP
ASQDET
APC
IC703
M62364FP-F(8/8)
DAC
DO
Q701 2SA1832(GR)F
MUTE
OPT10
IC713 IC703
BU7242NUX(2/2) M62364FP-F(6/8) M62364FP-F(5/8)
SUM DAC
STSW
VOX
MUTE
IC714
TC7W53FK(F)
IC709
TC7W53FK(F)
OPT6
AO to VGS
IC712 IC716
TC7S66FUF BU7242NUX(1/2)
MUTE AMP
/SCSW
AGC
D703,704 KDR731
Q705 2SC4738(GR)F
Q706 2SA1832(GR)F
IC710 IC703
BU7242NUX(2/2) M62364FP-F(1/8)
SUM DAC
DI
BLOCK DIAGRAM
L401 , D406 , D405
IC407 LT1616ES6-PBF
SBC
Q402 SSM6N16FE-F
DC SW
Q408
Q401 SSM6N16FE-F SB1
EMD12
DC SW
Q413 2SA1955A-F
Q412 SSM3K15AMFVF
DC SW
Q409
KDS121-P
2SA1955A-F
Q410
SSM3K15AMFVF
SBC
BATT
DC DC
IC403 LM2682MMX
5UC
Q405
SSM6N16FE-F
INAMT
EXAMT
INAMT
IC409
TC75W66FK-F
IC703
DAC AMP
IC408
BU7465HFV
EXAMT
IC715
AMP
BU7465HFV
D706
Rect
KDR731
VOX
IC716
AMP BU7242NUX(2/2)
Q707 Q4 SSM3K15AMFVF
2SJ243-A Q5 2SJ347F
MUTE MUTE
MM
IC703
M62364FP-F(2/8)
DAC
VCO_MOD
NX-300(G)
DC DC
+B
Converter
D408
1SS301F
IC414
XC61CC5602N-G
RESET
IC416
S-812C31BPI-G
AVR
D412
Q403 2SJ648-A
Q404 SSM3K15AMFVF
DC SW
IC708 XC6209B502P-G
AVR
AVR
IC411
NJM2880U105ZB
+B
Q406 2SB1132(Q,R)
Q407 UMG3N
AVR
IC413
TPA6201A1DRBR
IC412
TPA6201A1DRBR
RXD3
MSW
CN403
+B
Volume
SB1
33A
VOL
ENC1
ENC2
ENC3
ENC4
Selector
knob
CN23
6_KEYO2
6_KEYO1 KEY
6_KEYO0 Matrix
6_KEYI0 (6key)
6_KEYI1
6key
Back Light
BL_SB
CN405
EMC
MSW MSW
/UDET SSW
/PTT PTT
PFKEY PF
OPT
50U 5V
TXD
RXD
NC
93