Kenwood NX-800 Car Stereo System User Manual


 
94
NX-800/800H
SCHEMATIC DIAGRAM
X57-739 (A/2) 15/16, X57-739 (B/2) 1/1
BS BT BU BV BW
1.34V
6.38V
13.54V
AUXIO7/BER DT
AUXIO6/BER CK
C611
1000p
C597
1000p
AUXIO9/CTS
F501
C609 1000p
C610 100p
3
4
5
1
2
NC/RSSI
SB
SB
SB
SB
7
8
9
10
6
DI/RTS
50C
SB
AFO
SB
C608 100p
R654
0
C607 1000p
C606 1000p
RXD016
11
12
13
14
15 GND
GND
DEO
MI2
ME
20
17
18
19 AUXO1
AUXO2
TXD0
AUXIO227
C605 1000p
C604 1000p
C603 1000p
C602 1000p
C601 1000p
21
22
23 AUXIO4
AUXIO5
AUXIO8
24
25
26
TXD2/AUXIO9
RXD2/DI
AUXIO3
C600 1000p
C599 1000p
C598 1000p
CN600
28
29
30
AUXIO1
D914
02DZ18F-X
D910
02DZ18F-X
C922
1000p
R914
C907
1000p
R901
DC SW
(AUXO1)
470
A
(AUXO1)
DC SW
470
A
D911
D907
DA204U
DA204U
D903
D901
DA204U
DA204U
OVER DC
SUPPLY PROTECTION
PREVENTION
02DZ18F-X
26
27
29
28
30
C903 100p
C901 100p
A
21
23
25
24
22
02DZ18F-X
D906
AA
CURRENT
(SB)
REVERSE
Q901
QSX6
AA
15
18
17
16
19
20
A
12
11
14
13
D905
C902
1000p
C906
C905
100p
AAA
Q902
QSX6
D909
1SS355
L902
D913
1SS355
100p
470
C904
100p
L901
C908
100p
470
470
C910 100p
C909 100p
C921 100p
4
8
9
10
7
6
5
CN901
2
1
3
DA204U
D902
D904
DA204U
D908
DA204U
470
470
470
470
470
470
C918 100p
C919 100p
C920 100p
C917 100p
C916 100p
C915 100p
C914 100p
100
100
470
D912
DA204U
A
C913 100p
C912 100p
C911 100p
J901
C923
1000p
A
(BER CK)
(BER DT)
D902
D901
LINE
PROTECTION
(AUXIO3)(AUXIO1)
(AUXIO2)
D904
(AUXIO4)
D908
D903 D907
(AUXIO8)
(AUXIO5)
D912
D911
J701
0
C810
470p
EXT.SP
HOR
PA
GND
SPO
SPI
SB
6
2
3
4
5
1
1000p
SPO
C811
R831
PROTECTION
LINE
PROTECTION
LINE
PROTECTION
LINE
PROTECTION
LINE
PROTECTION
LINE
PROTECTION
LINE
PROTECTION
LINE
SUPPLY
OVER DC
PROTECTION
PROTECTION
OVER DC
SUPPLY
OVER DC
PROTECTION
SUPPLY
(SB)
REVERSE
CURRENT
PREVENTION
13
12
24
23
10
22
9
21
8
20
4
3
2
19
6
25
5
17
16
15
2
15
3
16
4
17
5
6
19
20
8
21
9
22
10
23
24
12
25
13
27
26
1
14
2
15
3
16
4
17
5
18
6
19
7
20
8
21
9
22
10
23
11
24
12
25
13
AIO6
AIO7
AIO1
AIO2
AIO3
AIO4
AIO8
AIO5
AIO9
AO1
AO2
AIO7
AIO6
R912
R913
R908
R909
R910
R911
R905
R907
R906
R904
R903
R902
CN705
HOR
PA
SB
50C
AFO
DI/RTS
DEO
MI2
ME
RXD0
TXD0
TXD2/AUXIO9
RXD2/DI
SB
MI1
MEME
MI1
1000p
C809
2
3
5
4
C803
1000p
1000p
C804
C806
330u16
1000p
C807
47u25
C805
OUT
GND2
GND1
IN
1
IC715
LA4425A
VCC
2A
+
+
TX-RX UNIT (X57-739X-XX) (B/2): D-SUB25
9 99
12
9
TX-RX UNIT (X57-739X-XX) (A/2)