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Kenwood DVR-505 Service Manual page 17

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AE
AF
DVD B'D-
CN205
1/4
B
M - 4
1
LINK B'D-B
CP215
CP101
CP608
FL
1
1
DSP B'D-
2
2
CP402
FR
3
3
2/4
4
4
CT
5
5
2
E
6
6
SL
7
7
AA-2
8
8
LINK B'D-A
CP216
CP102
SR
9
9
10
10
+15V
1
1
+15V
SW
DSP B'D-
SW
11
11
-15V
2
2
-15V
CP401
+5V(D)
3
3
+5V(D)
2/4
L IN
4
4
L IN
A GND
5
5
A GND
F
R IN
6
6
R IN
A GND
7
7
A GND
AA-4
D GND
8
8
D GND
+5V(A)
9
9
+5V(A)
D GND
10
10
D GND
+3.3V
11
11
+3.3V
3
JACK102
R1L
Lch
470
SAT
IN
R1R
Rch
470
AUDIO
R3L
Lch
470
VCR
IN
R3R
Rch
4
470
R5L
Lch
470
VCR
OUT
R5R
Rch
470
JACK103
Cr
R6R
470
Cb
Y
5
R6L
470
CP106
Y
1
Cb
2
15.0V
Cr
3
GND
4
FRONT L
GND
5
Q79
FRONT L
6
N
GND
7
FRONT R
8
Q80
GND
9
DVD L
10
GND
11
DVD R
12
12.7V
6
1 2 3 4 5 6 7 8
9 10
11 12 13
CP114
TUNER PACK
CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts
7
list).
indicates safety critical components. For continued protection against risk of fire, replace only with same type and rating
fuse(s). To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are
acceptably insulated from the supply circuit) before the appliance is returned to the customer.
AG
AH
MAIN B'D
15.0V
+15V
15V
-15.0V
D92
D93
6.7V
C108
C107
6.6V
47u16
47u16
-6.7V
+B
B
+
+
IC84
(BOTTOM VIEW)
22
23
C103
C104
C105
C106
NC
NC
0.015
0.33u50
21
24
0.33u50
0.015
L BASS 1
R BASS 1
+
+
20
25
L BASS 2
R BASS 2
19
26
L BASS 3
R BASS 3
27
C54 8200P
C109
RTRE
8200P
18
C110
R107
C111
LTRE
17
28
3.3u50
2.2K
1000P
BYPASS L
CR2
16
29
+
BYPASS R
CR1
FL
15
C113
R106
C112
1
L IN
14
30
3.3u50
2.2K
1000P
2
GND L
CL2
+
FR
13
31
3
R IN
CL1
12
32
4
GND R
A VSS
B
CT
33
11
5
C IN
L OUT
L
10
34
6
GND C
R OUT
R
SL
9
35
7
SL IN
C OUT
C
36
8
SL OUT
SL
SR
8
37
9
SR IN
SR OUT
SR
7
38
10
GND S
SW OUT
SW
6
39
11
SW IN
A GND
5
40
+B
A VDD
D GND
C117 100P
4
41
OUT 1
LATCH
C116 100P
3
42
OUT 2
DATE
2
43
C115 100P
OUT 3
CLK
1
44
OUT 4
D VDD
+15V
VOLUME
C114
CONTROL
47u16
+
15V
+15V
+15V
15.0V
C100
1u50
+
HEADPHONE
IC75
AMP
IC85
R125 1K
1
R95 1K
2
R96 1K
3
C146R
+15V
47u16
IC75
FUNCTION
SELECTOR
-15.0V
15V
-15.0V
IC10(1/2)
C51R
C52R
4.7u50
3
4
4.7u50
1
+
2
+
15.0V
IC10
(2/2)
C51L
C52L
4.7u50
8
5
7
4.7u50
+
6
+
BUFFER
+15V
+15V
MUTE ON : 0.7V
OFF : 0V
Q78
R92
3.3K
R93
3.3K
MUTE ON : 0.7V
OFF : 0V
+5V
5.56V
1 2 3 4 5 6 7 8 9
10
11
12
13
1 2 3 4 5 6 7 8
CP107
CP108
1 2
CP115
J
K
AI
AJ
+15V
IC88(2/2)
R20FL
C9FL
FRONT-L
560
4.7u50
3
L
+
2
Q82
R16FL
C8FL
2.7K
4.7u50
Q2FL
+
R99
R20FR C9FR
100K
IC88(1/2)
560
4.7u50
5
5.3V
R
+
6
R16FR
C8FR
2.7K
4.7u50
Q2FR
+
FRONT-R
REAR-L
IC87(2/2)
R20SL C9SL
560
4.7u50
3
SL
+
2
R16SL
C8SL
3K
4.7u50
Q2SL
+
IC87(1/2)
R20SR
C9SR
560
4.7u50
5
SR
+
6
H/P
(Lch)
C146L
R48L
R16SR
C8SR
47u16
120
3K
4.7u50
+
Q2SR
+
REAR-R
R49L
3.3K
Q84
R49R
3.3K
Q85
CENTER
MUTE
R48R
IC86(2/2)
120
R20C
C9C
560
4.7u50
3
+
C
+
2
Q87
R16C
C8C
3K
4.7u50
MUTE ON : +4.8V
Q2C
+
OFF : +5.3V
MUTE ON : 2.3V
OFF : 5.3V
IC86(1/2)
R20SW C9SW
560
4.7u50
5
SW
+
6
C25SW 470P
R16SW
C8SW
Q2SW
1.2K
47u16
+
SUB-WOOFER
-15.0V
15V
+15V
4.9V
+3.3V
+5V
C146
0.1
3 4 5 6 7 8 9 10 11
1 2 3 4 5
CP103
L
The DC voltage is an actual reading measured with a high impedance type voltmeter with no signal input. The measurement value
may vary depending on the measuring instruments used or on the product.
AK
AL
C19FL
R31FL
15.0V
0.047
220K
+15V
R35FL
R32FL
PRE AMPLIFIER
33K
220K
C20FL
120P
R25FL
C12FL
C14FL
8
1K
10u50
4.7u50
1
+
+
R37FL
Q1FL
R23FL
3.3K
D1FL
D2FL
10K
MUTE
ON : 0.6V
C11FL
OFF : 0V
100P
R37FR
-15.0V
3.3K
Q1FR
15V
R25FR
C12FR
C14FR
4
1K
10u50
4.7u50
7
+
+
R33FR
R23FR
D1FR
D2FR
10K
47
C19FR
R31FR
0.047
220K
C11FR
R35FR
R32FR
100P
33K
220K
C20FR
R34FR
120P
47
C19SL
R31SL
0.047
220K
R35SL
R32SL
33K
220K
C20SL
120P
+15V
8
R25SL
C12SL
C14SL
1K
10u50
4.7u50
1
+
+
R37SL
Q1SL
D1SL
D2SL
R23SL
3.3K
10K
Q88
MUTE
ON : 0.6V
C11SL
OFF : 0V
100P
R37SR
3.3K
15V
Q1SR
R25SR
C12SR
C14SR
4
1K
10u50
4.7u50
7
+
+
5.3V
D1SR
D2SR
10
R33SR
R23SR
10K
C19SR
47
R31SR
0.047
220K
C11SR
R35SR
R32SR
100P
33K
220K
C20SR
R34SR
120P
47
C19C
R31C
0.047
220K
R35C
R32C
33K
220K
C145
470P
C20C
120P
+15V
R25C
C12C
C14C
8
1K
10u50
4.7u50
1
+
+
Q89
R37C
Q1C
R23C
3.3K
10K
D1C
D2C
MUTE
5.3V
ON : 0.6V
C11C
OFF : 0V
11
100P
Q90
R37SW
3.3K
15V
Q1SW
4
R25SW
C12SW
C14SW
1K
10u50
4.7u50
7
+
+
5.3V
R33SW
R23SW
13
D1SW
D2SW
20K
C19SW
R31SW
C11SW
0.047
220K
100P
R35SW
R32SW
39K
220K
C20SW
R34SW
120P
+B
B
AM
AN
C18FL
R30FL
R29FL
47u16
1K
15K
POWER AMPLIFIER
+
C17FL
C16FL
R28FL
390P
47P
1K
IC89
RY101
7
R27FL
3
1K
8
23.4V
5
2
GND
VCC
R116
6
D94
390
MUTE
2W
9
STBY
4
Q91
14
STBY
C143
R115
470P
10K
11
MUTE
10
15
GND
VCC
R27FR
1K
13
1
12
RY102
B
C17FR
C16FR
R28FR
390P
47P
1K
D95
C18FR
R30FR
R29FR
47u16
1K
15K
Q92
+
C18SL
R30SL
R29SL
47u16
1K
15K
+
C17SL
C16SL
R28SL
390P
47P
1K
IC90
7
R27SL
3
1K
8
5
2
RY103
GND
VCC
6
MUTE
9
STBY
4
14
STBY
C142
R114
D96
470P
10K
11
MUTE
10
15
Q93
GND
VCC
R27SR
1K
13
1
12
B
C17SR
C16SR
R28SR
390P
47P
1K
5.2V
C18SR
R30SR
R29SR
47u16
1K
15K
+
B
C18C
R30C
R29C
47u16
1K
15K
+B
-30.4V
+B
+
C17C
C16C
R28C
+30.4V
390P
47P
1K
IC91
7
R27C
3
1K
8
5
2
GND
VCC
6
MUTE
C141
R113
470P
10K
9
R127
STBY
4
4.7K
14
STBY
11
MUTE
10
15
GND
VCC
R27SW
1K
13
1
12
47
B
C17SW
C16SW
R28SW
390P
47P
1K
C18SW
R30SW
R29SW
47
47u16
1K
15K
+
+B
B
15V
+15V
+3.3V
+5V
5.3V
1 2
3
CP104
M

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