Kenwood KRF-V7772D, Service Manual

Page: 24 / 40

BS BT BV BX BZ CB BU BW BY CA
2
1
3
5
7
4
6
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
1
2 3 4 5 6 7 8 9
10
11
12 13 14 15 16 17 18 19 20
21
22 23 24 25 26 27 28 29 30
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
21P
VFD
22P 23P 24P 25P 26P 27P 28P 29P 30P 31P 32P 33P 34P 35P 17P 16P 15P 14P 13P 12P 11
P
10P
9P 8P 7P 6P 5P 4P
3P
2P
1P
VDD
VSS
ST
AVREF
AVDD
DISP
INPUT SEL
POWER
VDD AC-3 DTS CLIP SP
A
SP
B
REM.TX ST
AND BY
RESET X2 X1 IC XT2 XT1 VDD CLK DO DI A
VSS
AD7 AD6 SP
A
SP
B
MUTE
20P
19P
18P
16G
15G
14G
13G
12G
11G
10G
9G
8G
7G
6G
5G
4G
3G
2G
1G
80 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
F1
1 2
F1
3 4
NP
12
8 6 5
1G 2G
7
3G 4G
10
9
5G 6G
11
7G 8G
14 13
NX NX
15
NX P18
16 17
P19 P20
18 19
P21 P22 P26
20 21
P23 P24
22 23
P25
24
P27
26
P28
25 34 30 28
P30
27
P29 P32 P31
29 32
P34 P33
31
P17 P35
33 41 40 39 37 38 36
NX NX
35
P15 P16 P13 P14 P1
1
P12
48 47 46 44 43 42
P9 P10 P7 P8
45
P6 P5 P4
53 49 51
P2 P3
50
9G P1
52 57 55
11
G
10G
54
13G 12G
56
14G
100 99 98 83
R997 470K C936 220P R996 470K C935 220P R995 470K C934 220P R994 470K C933 220P
97
R993 470K C932 220P
96
C931 220P R992 470K
95
R991 470K C930 220P
94
C929 220P R990 470K
93
R980 470K R979 470K
82
R977 470K R978 470K
81 80
R974 470K R973 470K R975 470K R976 470K
78 77 76 75
R972 470K
74
R966 470K R970 470K R969 470K R967 470K R968 470K R971 470K
73 72 71 70 69 68
R965 470K
67
R964 470K R963 470K R962 470K
66 65 64 58
R957 470K R958 470K R959 470K R961 470K R960 470K
63 62 60 61 59
R956 470K R950 470K R954 470K R955 470K R953 470K R952 470K R951 470K
57 56 55 54 53 52
R947 470K R948 470K R949 470K R946 470K
51 50 49 48
C928 220P
92 91 90
C927 220P R989 470K R987 470K C926 220P R988 470K C923 220P R984 470K R985 470K R986 470K C925 220P C924 220P
89 88 87 86
R666 1M
C658 100P
C666 100P
R688 100K
R678 100K
C663 100P
C655 100P
R658 1M
C641 100P
R641 470K
C643 100P
R643 75
0.1
C642
75
R642
C644 100P
R646 75
C646 100P
R644 470K
C645
0.1
R645
75
C649 100P
R649 75
C647 100P
R647 470K
0.1
C648
75
R648
R652 75
C652 100P
R651 C651
R650 470K
C650 100P
0.1 75
10K
R668
1
3
2
5
4
7
6
8
MONI IN1
16
OUT2
C
A
OUT1
VCC
IN2
B
IN4
IN5
GND
GND
IN3
E
D
14
15
12
13
10
11
9
11
10
7
6
5
4
GND
9
8
14
13
12
1
3
2
VDD
10
13
12
15
14
16
D C
2
1
4
3
GND
MONI
GND
IN5
6
5
8
7
E
IN4
IN3
VCC
OUT1
IN1
A
IN2
OUT2
B
11
9
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0.1
C654
75
R657
220
R656 R654
39K
R653
8.2K
R660
39K
R659
220
R662
C656
0.01 R665
75 0.1
C657
8.2K
R661
10
75
R677
1000u6.3
C662
+
8.2K R671
39K
47
R676
R673
10
180
R674
47u25
C661
+
R675
47
R684
47
R680 39K
R679
8.2K
47u25
C664
+
10
R681
R672
75
R687
1000u6.3
+
C665
100K R686
12
10
8
12
10
8
2
4
2
4
7 5
12
5 7
12
22u35
C680
+
22u35
C681
+
22u35
C679
+
0.01
C673
0.01
3.3K
3.3K
3.3K
R844
R845
10
C695
C690
R695 R696
C691
R697
1000P
R698
1000P
0.01
100P C685
22u35
C678
+
C686 100P
C675
22u35
C682 +
4.7K R685
0.01
C694 R699
VMUTE
CONT E
CONT D 14
15
16
CONT C 13
CONT B 12
7 VDD
CONT A 11
AUX C
GND
AUX Y 10
9
8
S1 V4
S1 OUT
S1 AUX 5
6
4
S1 V3
S1 V1
S1 V2
1
3
2
3
2
1
4
5
10
6
7
8
9
12
11
13
16
14
15
R914 10K R913 10K
X91
5MHz
C91
1
470P
R926
1M
R927 47K
C901 100P
47K
R928
R922 3.3K R931 47K R932 47K R933 47K R934 47K R935 47K
100P C902
47K
R929 100P C903
47K
R930
R899
10 1/4W
R907
10
R908
82
83
81
R909
10K
Q911
470
R901
R902
470
470
R903
470
R904
470
R905
R906
470
10K
R910 R91
1
10K
R912
10K
R915
10K
R693 R692 R691 R690
R694 10K
C676 10u50
+
C683 10u50
+
R670 10
10
R682
1/4W
1/4W
C672 C671 C674
0.01
3.3
R669
C659
+
10u50
1/4W
R655
10
0.01
C653
Q643,655
100K R664
4.7K
R663
Q641,642,652-654
VDD
VDD
VDD VDD
VCC
VCC
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
+5V
+5V
+5V +5V +5V
+5V
+5V
+5V
+5V
VDD
1K
10u10
C915
+
B B B B B B
B
C
Y
C
Y
C
Y
Y
C
C
Y
C
Y
VDD
R667
10K
10K
C693
470K
C692
470K
10K 10K 10K
1000P
470K
1000P
470K
1000P
470K
R843
R842
R841
0.01
3.3K
3.3K
R683
1/4W
H or L
8 D 9 C 14 INPUT
REC OUT
3 AVAUX
7
5
VIDEO3
VIDEO4
12 VIDEO2
16 VIDEO1
L
H H H
L
H
H
H
H L
L L
OUTPUT
1 MONITOR
VIDEO1
15 A 11 B
6 B
P4
P5
P3
P1
P2
IC91
IC65 IC67
IC66
(X08- ) (J/10)
(X08-297X-XX ) (C/10)
(X08-297X-XX) (D/10)
ED1
D
F
FL DISPLAY UNIT
SPEAKER A
DISPLA
Y
MODE
u-COM
DISPLAY
PLAY
VIDEO1
REC
J65
OUT
IN
OUT
MONITOR
S VIDEO
J66
S VIDEO
PLAY IN
VIDEO2
PLAY IN
VIDEO3
VIDEO4
PLAY IN
Q661
Q641
Q642
Q651
D651
Q653
Q652
Q655
Q654
CN62 CN64
CN63
D912
Q911
5V AVR S91
Q907
Q906
Q905
Q904
Q903
Q902
Q901
D901
D902
D903
D904
D905
D906
DIGITAL
DOLBY
DTS
CLIP
INDICATOR
SPEAKER
IR REMOTE
(RECEIVE/
TRANSMIT)
S92 S93 S94 S95
SELECT
OR
INPUT SPEAKER B
MUTE
DETECTOR
S1
Y-SELECTOR
C-SELECTOR
S1 SIGNAL
Q643
MUTE
VIDEO
VIDEO AMP
A
SPEAKER
B
DRIVER
LED
A
-CN61
X08-A/10
2/4
2/4
-CN91
X08-A/10
D
IC65,66 TRUE TABLE
1G 2G 3G 4G 5G 6G 7G 8G 9G 10G 12G 11G 13G 14G 15G 16G
TUNED
ST.
MUTE
A B
3.4V
4.1V
3.5V
5.4V
4.2V
5.4V
1.0V
4.1V
1.7V
3.4V
6.5V
4.1V
3.4V
1.7V
1.0V
3.7V
3.7V
5.0V
5.0V
3.7V
2.4V
3.7V
2.3V
5.0V
3.7V
5.0V
5.0V
5.6V
3.7V
3.7V
5.0V
5.0V
3.7V
2.4V
5.0V
3.7V
2.3V
5.0V
3.7V
5.0V
5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
0
0
0
0
0
5.6
-34.6V -19.9V -21.9V -17.6V -19.8V -33.1V -30.0V -28.6V -19.8V -33.1V -30.8V -26.2V -24.3V -24.3V -22.3V -20.2V -24.1V -24.3V -19.8V -17.8V -22.1V -33.0V -28.4V -19.8V -15.5V -28.6V -22.1V -19.5V -17.5V -28.4V
-19.8V
-19.7V
-13.4V
-32.2V
-32.1V
-32.1V
-32.1V
-32.1V
-32.2V
-32.1V
-32.1V
-32.1V
-32.2V
-32.2V
-32.2V
-32.2V
-32.1V
-32.2V
-32.2V
4.9V 0V 0V 4.9V 0V 0V 0V 0V 4.5V 2.3V 2.0V
0.9V 0.2V 0V 0V 0V 0V 0V
0V
4.9V
4.4V
5.0V 5.0V 5.0V 4.9V 4.9V
0V
0V
0V
3.9V
0V
0V
4.9V
0V
0V
0V
-19.6V
0V
-22.3V
-22.3V
3.8V
3.7V
0V
0V
0V
3.7V
0V
3.5V
0V
3.8V
0V
3.7V
0V
14.4V
5.6V
KRF-V7772D(K) SD2,2P( 99.10.29 10:17 AM y [ W 1