Kenwood RXD-NV301 Service Manual page 25

BI BJ
F 1
Q Q
3 7 6 3 1 5 1 5 0
CP312 CP311
3 4 5 6 7 8 9 10 11 12 13 14 6 5 4 3 2 1
11.9V
8.9V
+9V
POWER
AMP
IC701
5
R374 C709
-11.8V
100P
10
R709
56K
R715
100K
1
POWER
AMP
IC702
T E
L 1 3 9 4 2 2 9 6 5 1 3
C710
100P
R710
11.9V C318
56K
0.01
R716
100K
MUTING
(SL/SR)
-11.8V
R329
100K R335 2.7K
R336 2.7K
R330
100K R339 2.7K
R331
100K
R333 R343
+12V
100K 2.7K
3
R344
R334
2
2.7K
100K
R332
100K
w w w
12V
.
BK BL
+5V
+12V
+9V
FL/FR
C708 C707
100P 100P
R708 R707
56K 56K
R714 R713
100K 100K
SL/SR/SW
C712 C711
100P 100P
R712 R711
56K 56K
R718 R717
100K 100K
1
R346 R342 R338
4
1.2K 1.2K 1.2K
Q332 Q330 Q328 Q326 Q324
MUTING
(Cch)
Q331 Q329 Q327 Q325 Q323
R345 R341
1.2K 1.2K
R337
2
1.2K
5
+5V
VOL
MIN -10dB : 0.9V
IC314
C360
4 -9dB MAX : 5.2V
1 4.7u50
+
8
Q333 Q334 Q336
R365
2.7K
ATT MUTING MUTING
MUTING
CONT. CONT.
(MAIN)
x a o
(Cch) (SL/SR)
y
-11.8V
12V
i
BM BN
8
5.0V
+5V
11.9V
+12V
+9V
-49.2V
B
-20.9V
B
20.9V
+B
0.1 5W
DZ701 DZ702 +B
49.2V
R743
15K
R767
470
-45.7V
45.3V
19
21
0.1 5W
15
R744
15K
R768
470
23
Q Q
0.1 5W
3 7 6 26 3
R745
B 15K
B
+B
+B
DZ703 DZ704
R769
470
0.1 5W
R747
15K
R771
470
19
21
0.1 5W
15
R748
15K
Q322
R772
470
Q321
23
0.1 5W
26
R746
15K
R770
470
5.0V
+5V
R949 51K R950 51K
R948 51K
R951 27K R953 27K
Q335 R952 27K
+B
+B
u 1 6 3
B
.
BO BP
M
2 4
9 9
CN308
11 10 9 8 7 6 5 4
-34.3V
+5V
+12V
+9V
L701
2uH
R737 R755
FRONT-L
22
R749 R761
27K 33K
C731
1000P
R773
4.7 1W
Q701
L702
2uH
R738 R756 FRONT-R
22
1
R750 R762
27K 33K
C732
1000P
R774
4.7 1W
L703
Q702
2uH
R739 R757 CENTER
22
1 5 1 5 2 0 8 9 2 4
R751 R763
27K 33K
C733
1000P
R775
4.7 1W
L705
Q703
2uH
SURR-L
R741 R759
22
R753 R765
27K 33K
+12V
C735
1000P
R777
4.7 1W +9V
Q705
L706
2uH
R742 R760 SURR-R
22
4
12V
R754 R766
27K 33K
C736
1000P
R778 36V
4.7 1W
C934
L704 D917
Q706 10u100
2uH
+
SUBWOOFER
R740 R758
22
48.9V
R752 R764
27K 33K
Q912
C734
1000P
48.9V 0V
Q704 R776
4.7 1W
+5V Q913
Q919
R954
Q920
2.2K
R937
m
4.7K
c o
12V
B
BQ BR
J
5V REG BOARD
2
8 9 IC903 9
19.2V
OUT IN
GND
CN307
3 2 1 9 8 7 6 5 4 3 2 1
3 2 1
CP911
CN911
3 2 1
R941
1
4.7K
7
5.0V
C919
100u25
+5V +5V
+
+B
+5V +5V
+B
R906 3.3K
5.9V
Q901
11.0V
+5.6V +B
+5.6V
AVR Q902
R904
1K
6.8V
9 8 2 9 9
19.2V
(M,Y TYPE ONLY)
4
C910 R911
Q904
7 3.3u50 1.2K
+
+B
11.9V
+12V +12.0V
AVR
IC902
+9.0V
8.9V IC901
AVR
+12V OUT IN
+9V OUT IN +B
GND
GND
12.0V
-11.8V IC904
AVR
12V 12V OUT IN
GND
R916 -34.4V
36V
220 1/4W
49.2V
+B
+B
20.9V
45.3V
R925
-49.2V
Q909
1 Q905
45.9V
48.3V
R926
R933 R924
Q908 1K
1K 10K
Q907
Q914
Q910
Q906
-46.3V
+B
+B R932
1 -45.8V
Q911
B B
B