Kenwood NX-300 Service Manual page 80

U
NX-300
HD2
GPIo7
33A-1
D
E12
DGND3
E11
DGND2
E10
A
DGND1
L5
DVDIo7
P6
DVDIo6
P11
DVDIo5
L14
DVDIo4
H14
DVDIo3
E13
DVDIo2
D
E7
DVDIo1
M5
DVDD10
N5
DVDD9
P9
DVDD8
P10
DVDD7
N14
DVDD6
M14
D
DVDD5
G14
DVDD4
F14
DVDD3
E9
DVDD2
E8
DVDD1
B5
GPIo11
C6
GPIo10
B6
GPIo9
A6
GPIo8
U8
GPIo7
R8
GPIo6
R7
GPIo5
T7
R175 100k
GPIo4
D
V10
GPIo3 ENC4
R176 100k
U9
GPIo2 ENC3
R177 100k
V9
GPIo1 ENC2
R178 100k
T9
GPIo0 ENC1
R181 100k
C11
SIMRST /MNDNU
R192
D12
SIMCK
R190
C12
1k
SIMDT
R5 1k
SYMTIM /SYMTIM
R6
FSDET FSDET
R2
TXRVE /5TC
P3
TRAMP DSW
P2
TMoD /LCDRST
M4
PSTPA /APCSW
R171
R1
PSTIF
0
N3 D
PSTPLL
N2
RXRVE /SAVE
P1
RXSLT T_/R
L4
5RC
PSRRF
M2
PSRIF IFC
M3
PSRPLL
N1
RSSIT /DRST
D8
VFRM /DWUP
D7
VoINT /DINT
C7
MCo2
R187
D10
MCCS2 /EMG
R172 0 1k
C8
MCCK2 PLD
D9
MCCR1 /MCCSRCN
B7
MCCX1 /MCCSXCN
C9
MCo1 MCDOCN
B8
D
MCI1 MCDICN
A7
MCCK1 MCSCKCN
B10
MCCS0 /MCCSAF
B9
MCo0 MCDOAF
D11
D
MCI0 MCDIAF
A8
MCCK0 MCSCKAF
R173
R3
AGCDAC
0
IFADCN D
11
15
14
7
33MAS
33A-1
16
18
11
17
SPCS10
12
BLC
9
13
80
X53-426 5/10
V
SCHEMATIC DIAGRAM
L714
L716
L715
R174
100k
DSR
SBC
5UC
EXAMT
INAMT
16
19
14
17
/PSW
/BINT
17
D D
15
12
15
MM
D
/UDET
PLD
7
/SCSW
15 14
12
16
17
13
W
CONTROL UNIT (X53-4260-XX)
L101
L102
6800p
D A
R501
33A
2.2k
R506
L403 2.2k
VOL
R510
ENC3
1k
R509
1k
R508 A
ENC4
1k
R507
ENC1
1k
R504
ENC2
1k
17
A A A A
REVERSE
CURRENT
PREVENTION
D102
1SS416
IC109
TC7SH08FU-F
2 INPUT
AND GATE
D
14
15
14
IC703
M62364FP-F
D/A
CONVERTER
LCONT
14
14
15
16
18
9
X
C459
470p
C460
VOL SW/ENC
VR1
C461
POWER SW/AF VOL
470p
A
CN403
33A 1
VOL_GND 2
VOL 3
S1
EN3 4
CHANNEL SELECTOR
7
AGND 5
8
EN4 6
9
EN1 7 4
5
EN2 8
6
+B 9
1
SB1 10 2
3
A
19
21
20
24
23
A
18
21
Y
19
19
20
14
15
16
21
IFADCN
18
9
13