Kenwood KRF-V7773D Service Manual page 28

AJ AK
+3.3V
+5V
+5V
3.3V
C101
1000P
+3.3V
C107 1000P
C108 10u10
R121 R125
+ 5.6K 240
2 8
R122 R127
1 R133
5.6K 240 3
6.2K
IC8
21
(1/2)
20
R111 1
5.0V
+5V
5.0V R110 1 IC8
+5V
R128
(2/2)
240 5
7 R134
6
6.2K
4
R126
240
3.3V 5.1V
C201
1000P
+3.3V
C207 1000P
+15.2V
C208 10u10
R221 R225 LSch
+
5.6K 240
2 8
R222 R227
R233
1
5.6K 240 3
6.2K
IC10
21
(1/2)
20
5.0V R211 1
+5V
5.0V R210 1
IC10
+5V
R228
(2/2)
240
5
7 R234
6
6.2K
4
R226
240
3.3V
RSch
C301
1000P
+3.3V C307 1000P
+15.2V
C308 10u10
R321 R325
+ 5.6K 240
2
8
R322 R327 R333
1
5.6K 240
3
6.2K
IC12
(1/2)
5.0V R311 1
+5V
R310 1
5.0V IC12
+5V
R328 (2/2)
180 5
R334
7
6
12K
4
R326
180
SWch
+15.2V
AL AM
C815 47P R816 1 R815 1
R814 1 R813 1
3.3V IC51 5.8V 5.9V
R812 1 R811 1
OUT IN +5.7V +5.8V
GND
3.3V AVR
C835 47P R836 1 R835 1
R834 1 R833 1
5.1V IC53 5.9V
R832 1 R831 1
OUT IN +5.8V +6V
GND 6.1V
DIGITAL
5V AVR
DIGITAL
DIGITAL
R734 1K
+5V
58
R733 1K
57
R732 1K
56
R731 1K
3
24
25
5.0V
+5V
15.2V
R57
47
16.7V
Lch ANALOG R58
47
-17.6V
IC9
(1/2)
R141
R135 2
8
1 100
11K 3
R142
5
7 100
R136 6
4
11K IC9
(2/2)
16V 16V
-16.2V
Rch
15.2V
C59
0.01
+15.2V
C60
ANALOG 100P
R701 100
21
IC11
R702 1K
51
(1/2)
R241
R235
2 8 R703 1K
1 100
2
3
11K
R704 1K
5
R705 1K
48
R706 1K
9
R707 1K
12
R242 R708 470
5
100 53
7
R236 6
R709 470
52
4
11K IC11
(2/2) +15.2V
R710 470
16V 16V 16
R711 470
-16.2V
15
R712 470
14
R713 470
13
R714 470
12
15.2V
C61 R715 470
0.01 20
R716 470
72
C62
ANALOG 100P R717 470
Cch
19
R718 470
18
IC13
R719 470
(1/2)
R335 R341 17
2 8
100
1
3
11K
R751 100
77
R342
5
R752 100
7 2.2K
R336 5
6
R753 100
4 IC13
18K 78
(2/2)
R756 100
59
R754 100
16V 16V
6
-16.2V
R755 100
4
+15.2V
AN AO
(X13-770X-XX) (B/5)
CN51
D.VDD1 29 +6V
D.GND 28
CN1
D.GND 27
29 D.VDD1
D.GND 26
6.1V
28 G.GND
GND 25
27 D.GND
+6 24 +6V
26 D.GND
RX..COX 23
DIGITAL
DSELA 22 10
25 GND RX.OPT 21
24 +6V
DIGITAL
DIGITAL
20 11
DSELB
TX 19
23 RX.COX
DSELC 18 9
22 DSELA
HDCD+6DB 17
21 RX.OPT AD REF GND 16
20 DSELB G.GND 15
A.R- 14 14
19 TX
A.R+ 13 13
ADVDD 12 +B
A.L+ 11
A.L- 10
18 DSELC
AGND 9
17 HDCD+6DB 16.7V
+17 8 +17V
-17.6V
16 AD REF GND
-17 7 17V
15 G.GND
CENTER 6
14 A.R-
13 A.R+ SW 5
+17V
12 AVDD L 4
11 A.L+ R 3
10 A.L- SL 2
SR 1
9 A.GND
8 +17V
7 -17V
6 D.C
5 D.SW
4 D.L
3 D.R
2 D.LS
1 D.RS
CN3
1 SUB MUTE
2 SUB SDT R729
1K
3 SUB MDT
4 SUB MCK
5 SUB SREQ
6 SUB MREQ
7 SUB RESET
8 YC SEL A
9 YC SEL B
10 UCON.VDD
R730
11 UCON.GND C
1K
12 C ROOMA E
13 C ROOMA D
14 C ROOMA C
15 C ROOMA B
16 C ROOMA A
17 V SEL
+17V
18 Y DET
C701
10u50
19 C ROOMB C
+
20 C ROOMB B
21 C ROOMB A
C642 4700P
C641 4700P
CN4
C640 4700P
1 CK DET
C639 4700P
2 CTRL B
C637 4700P
3 C DET
D
4 G.GND
5 CTRL A2
6 FSC CTRL
7 CTRL A
AP AQ
+6V
+B
+17V +17V
17V 17V
SW
+17V
16.7V
IC67
(2/2)
C813 R811
5 8
1 47u25 47
6 13
+
R803 4.7K
OP AMP
R805 C809
(DIGITALREC)
R809
4.7K 22u50 C805 100P
1K BUFFER
+
Q801
C962
100P
R810
R806 C810
1K
4.7K 22u50 C806 100P
+
Q802 R804 4.7K
GAIN CONT.
C814 R812
(HD CD 6dB) 2
47u25 47
7
-17.6V
3 14
+
4
IC67
(2/2)
17V
SR SL
17V 17V
-17.6V
C733 100P
OP AMP
C737 100P
R731
SUB WOOFER
6.8K R735 4.7K
R739 4.7K
R733 4 R737
2
C743
4.7K 4
1 2
3 1 2.2u50
4.7K
3
+
IC68
IC69
(2/2)
C972 C971
(2/2)
100P 0.01
IC69
IC68
(1/2)
C744
(1/2)
5
5 7 2.2u50
R734
7 R738 6
4.7K +
6
8
4.7K
R740 4.7K
8
R732 R736 4.7K
C738 100P
6.8K
C734 100P
16.7V
+17V +17V
16.7V IC66
(1/2)
C704 R703
8
3
1 10u50 47 17V
2
+
R702
100
OP AMP
C705 100P
R705 4.7K
6
7
5
4
IC66
(2/2)
-17.6V
17V
R706
47
AR AS
+6V
+B
CENTER
+17V
26
23
Q852
-17.6V
IC81
L/Rch TONE
DIG.ANA SEL.
R961
1K
17V
R655 10
IC82
DIG.6ch
SELECTOR
R971
1K
R656
10