Kenwood KRF-V7772D Service Manual page 24

BS BT
FL DISPLAY UNIT
(X08-297X-XX) (D/10)
Q Q
ED1
3 7 6 3 1 5 1 5 0
1
2
B
(X08-297X-XX ) (C/10)
R667
10K
J65
3 R668
R666 1M 10K
S VIDEO
C658 100P
C
MONITOR
C666 100P
OUT Y
C654
0.1
R688 100K
3.4V
R658 1M
C655 100P C657 R665
C
0.1
REC
Y C663 100P
OUT
T E
L 1 3 9 4 2 2 9 6 5 1 3
R678 100K
C642 R642
0.1 75
VIDEO1
4 R641 470K
Q643,655
C C641 100P
VIDEO
PLAY MUTE
C643 100P
Y
IN
R643 75
C662
1000u6.3
+
S VIDEO
J66
C645 R645
0.1 75
R644 470K
C644 100P
C
VIDEO2
PLAY IN Y C646 100P
R646 75
C648 R648
0.1 75
5
R647 470K
C647 100P
C
VIDEO3
C665
Y C649 100P 1000u6.3
PLAY IN
+
R649 75
C651 R651
0.1 75
R650 470K
C650 100P
C
VIDEO4
PLAY IN Y C652 100P
R652 75
X08-A/10
-CN61
6 2/4
D
w w w
X08-A/10
-CN91
2/4
F
7
BU BV
1G 2G 3G 4G
MUTE
P1
A
B
P3 P2
ST.
P4
TUNED
P5
B
Q661
S1 SIGNAL
VDD
C653
Q641
R655 0.01
10
R657 R656
75 220
VDD
5.4V
3.7V
IC65
4.2V
Q642
R661 C656 2.4V 1 16
MONI IN1
10 0.01
Q643 2 15 5.0V
75 GND A
3.5V
3.7V 3 14 2.3V
IN5 OUT1
5.6V
4 13
GND VCC
4.1V Q641,642,652-654
3.7V 5 12 3.7V
IN4 IN2
VIDEO AMP
5.0V 6 11 5.0V
E B
VDD
3.7V 7 10
IN3 OUT2
5.0V 8 9 5.0V
5.4V D C
C661
Q651
R673 47u25
C-SELECTOR
R677 +
10
75 3.4V
4.1V
1.7V
+
Q652
1.0V
R669
3.3
VDD VDD
+ 1/4W
C683 10u50
6.5V
+
VDD
4.1V
IC66
Q653
C664
+
3.4V R681 47u25 2.4V
1 16 3.7V
MONI IN1
R687 Q655 +
10 2 15 5.0V
75
GND A
3.7V 3 14 2.3V
Q654
IN5 OUT1
1.7V
4 13 5.6V
GND VCC
1.0V
3.7V 5 12 3.7V
IN4 IN2
5.0V 5.0V
6 11
E B
3.7V 7 10
IN3 OUT2
5.0V 8 9 5.0V
D C
+ + +
Y-SELECTOR
x a o
. i
BW BX
5G 6G 7G 8G
A
C693 C692 C691 C690
1000P 1000P 1000P 1000P
R698 R697 R696 R695
470K 470K 470K 470K
S1
DETECTOR
IC67
5.6V
1 14
0
VDD VDD
5.6V
13 0
2
2 R843
Q Q
R844 12 3.3K
0 3 3 7
3.3K 12
5.6V 5.6V
11 0
4
4 R842
3.3K
R845 10
5
3.3K 10
5.6V
9 0
(X08- ) (J/10)
6
R841
3.3K
7 8 5.6
CN64 CN63
GND 8
8 16 16
10 15 15
C695
12 14 14
0.01
4 13 13
2 12 12
11 11
VDD VDD 10 10
9 9
8 8
7 7
6 6
5 5
4 4
IC65,66 TRUE TABLE
OUTPUT
1 MONITOR 15 A 11 B
6 B
VIDEO1
14 9 C 8 D
INPUT
REC OUT
+ 16 VIDEO1 L L
12 VIDEO2 H L
7 VIDEO3 L H
5 VIDEO4 H H L
3 AVAUX H H H
H or L
3 3
2 2
1 1
u 1 6 3
y
BY BZ
2 4
8 9
9G 10G 11G 12G 13G
B B
-19.8V 81
81 20P
-19.7V 82
82 19P
-13.4V 83
83 18P
84
-32.2V 85
85 16G
-32.1V 86
86 15G
-32.1V 87
87 14G
-32.1V 88
88 13G
-32.1V 89
89 12G
-32.2V 90
90 11G
-32.1V 91
91 10G
-32.1V 92
92 9G
-32.1V 93
93 8G
-32.2V 94
94 7G
6 3 1 5 1 5 0 8
-32.2V 95
95 6G
-32.2V
96
96 5G
-32.2V 97
97 4G
-32.1V 98
98 3G
-32.2V 99
99 2G
-32.2V 100
100 1G
CN62
1 S1 V1
2 S1 V2 R901
D901
470 3.8V
3 S1 V3
0V
DOLBY
4 S1 V4
DIGITAL
Q901
5 S1 AUX
R902
6 S1 OUT
D902
470
3.8V
7 VDD
0V
DTS
8 GND
Q902
9 AUX C R903
D903
470
3.7V
10 AUX Y 0V
CLIP
INDICATOR
Q903
R904
LED
D904
470 0V
DRIVER
11 CONT A
0V
12 CONT B SPEAKER
A
13 CONT C Q904
R905
D905
470 3.7V
0V
SPEAKER
B
D Q905
R906
D906
470 3.5V
0V
IR REMOTE
(RECEIVE/
Q906
TRANSMIT)
0V
m Q907
14 CONT D
15 CONT E
+5V +5V
3.7V
16 VMUTE
c o
.
CA CB
2
9 8 9 9
14G 15G 16G
B B
50 -22.3V
3P
49 -22.3V
2P
48 -19.6V
1P
47 0V
46 4.9V
VDD
45 0V
44 0V
43 0V
42 0V
IC91
41 0V
DISPLAY
40
VSS
u-COM
39 3.9V
ST
38 0V
37 0V
9 2 4 9 8 2 9 9
36 0V
35
AVREF
34
AVDD
33
DISP
32
INPUT SEL
31
POWER
4.9V
VDD VDD
X91
5MHz
Q911
14.4V R899
VDD VDD
10 1/4W
5.6V
+
VDD
Q911
5V AVR
+5V +5V