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Kenwood KRF-V7773D Service Manual page 32

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BY
BZ
2
5 6
7
8
9
10
11 12 13 14 15 16 17
1 2 3 4 5 6 7 8 9
14.6V
5.0V
IC11
A
IC25
VIDEO
RDS
BUFFER
DEMODULATOR
AUX-C
CTLG
CTLF
R94
C102
150
220u6.3
+
TER
5.1V
IC12
+B
IC21
VIDEO
BUFFER
1
8
VCC
+B
7
2
6
3
5
4
GND
IR-SEL.
R316
AUX-C
10K
C38
R109
100u10
1K
IC26
+
OUT
IN
GND
5.7V
+B
IC27
R345
33 2W
OUT
IN
13.5V
GND
5.7V
AVR
L2
+12V
Y
Y-SEL
R120
C107
Y-DET
Q24
R85
470
220u6.3
+
1
VIDEO
Q22
SELECTOR
Q23
R96
Q22
R123 47K
4.7K
Tr SW
(Y) SIGNAL
F
DETECTOR
+5V
+5V
5.0V
1 12 13
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CA
CB
1
(X13-77XX-XX) (A/5)
CN2
10 11 12 13
14
15
16
17
Q11-14
VIDEO REC
MUTE
5.0V
+5V
5.0V
VIDEO SEL.
(VIDEO1-4)
AV AUX IN
IC9
IC9,10
IC7
CTL-A
CTL-B
OUT
L(OPEN)
L(OPEN)
IN1
L(OPEN)
H
IN2
L(OPEN)
H
IN3
H
H
MUTE
C92
1u50
+
+5V
5.0V
5.0V
R121
2.2K
C40
0.01
IC10
IC8
C94
0.1
VIDEO SEL.
(DVD/YC-SEP.IN)
Q19
Q18
VIDEO
SELECTOR
VIDEO
(INPUT/
SELECTOR
L1
(Y) SIGNAL)
(DVD)
Y
C
R117
R88
Q19
Q18
3.3K
3.3K
R111
1K
Q21
Q20
L3
C
+5V
R102
C105
IC13
(Y) SIGNAL
100K
1000P
(2/2)
DETECTOR
IC13
R106
8
2
D14
10K
1
(1/2)
R103
3
6
R98
7
4
5
22K
100
KRF-V7773D/V7773D-B/V9993D (3/6)
CC
CD
R67
Q11
100K
C72
R68
470u6.3
75
+
R69
C73
75
0.1
R70
100K
Q12
C74
1u50
+
C75
0.1
R71
Q13
100K
C76
R72
470u6.3
75
+
R73
C77
75
0.1
R74
100K
Q14
C78
1u50
V2Y
+
C79
V2C
0.1
R81
47K
R82
47K
V3Y
C80
V3C
1u50
V4Y
+
V4C
C81
0.1
Q15
Q16
C82
D12
1u50
+
5.0V
D9
D13
C83
0.1
Q17
C
D11
Q15-17
Tr SW
C84
1u50
+
C85
0.1
C86
R75
470u6.3
75
+
R76
C87
75
0.1
E
Q20
Tr SW
(Q18,19
C88
CONTROLLER)
1
IC7,8
:
BA7649AF
D6,7,9,13,19,20,26-29,
IC9,10
:
BA7611AF
32-35,45-49
:
MA111
IC11,12
:
BA7623F
D11,21,23
:
DAN202U
IC13
:
NJM4565M
D12,22,24,43
:
DAP202U
IC14
:
uPC29M05HB
D14,25
:
DA204U
IC21,24
:
TC7WT125FU
D36
:
UDZ5.1B
IC22
:
uPD17215GT-737
D37-42
:
U1BC44
IC23
:
IC25
:
LC72723M
Q11-14,23,24
:
2SC4213(B)
IC26
:
S-80740AL-A4
Q15,16,18,19
:
DTA124EUA or
IC27
:
TA78057S
UN5112
IC28
: TC7S04F
Q17,20,21,25,52
:
DTC124EUA or
UN5212
Q22,51,53
:
2SC4081(R,S) or
2SC4116(Y,GR)
Q26
:
DTA143TUA or
UN5116
DIGITAL LINE
SIGNAL LINE
+5V
GND LINE
+B
B LINE
B
B LINE
CE
X25-A/9
-WH2
6/6
J
J4
X25-A/9
-WH1
Y
6/6
REC
C
K
VIDEO1
TC74HCU04AF
Y
TC74VHC125F
PLAY
C
Y
REC
C
NJU7311AM
VIDEO2
NJU7312AM
J5
NJU7313AM
Y
PLAY
C
Y
PLAY
VIDEO3
UPC29M05HB
LM431AIZ
C
Y
PLAY
VIDEO4
C
TC7S04F
J6
Y
PLAY
DVD 6CH
C
X11-A/4
-CN315
4/6
G
Y
MONITOR OUT
X07-A/5
-CN6
C
5/6
H
X11-A/4
-CN306
4/6
I
X11-A/4
-CN313
4/6
TA78057S
UPC2933T
L
X11-A/4
-CN307
4/6
M
X11-A/4
-CN308
4/6
N
KRF-V7773D/V7773D-B/V9993D
Y05-4090-21
CF
CG
1SS301
2SK246
LC72131
TC7S08FU
AK4393-VF
S-80740AL-A4
LA1837
TC7SHU04FU
BA7626F
UPC2905HF
UPC29L33T
UPC1830GT
22
21
42
1
OUTPUT
2
GND
3
1
INPUT

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