Kenwood DVR-505, Service Manual

Page: 17 / 33

AE AF AH AJ AL AN AG AI AK AM
2
1
3
5
7
4
6
CP608
CP106
CP114 CP107 CP108
CP115 CP103 CP104
Q91
D94
Q92
D95
Q93
D96
AUDIO
Cr
Lch
JACK103
Rch
Lch
Rch
VCR
OUT
Rch
Lch
VCR
IN
IN
SAT
JACK102
Cb
Y
IC10(1/2)
(2/2)
BUFFER
D84 D85 D87 D86
Q78
Q79
Q80
D89
D93 D92
VOLUME
CONTROL
Q84
Q85
Q87
HEADPHONE
AMP
MUTE
H/P
(Lch)
IC88(2/2)
D1FL D2FL
Q2FL
Q2FR
IC88(1/2)
D1FR D2FR
IC87(1/2)
Q2SR
Q2SL
IC87(2/2)
D2SR D1SR
D1SL D2SL
IC86(2/2)
IC86(1/2)
Q2SW
Q2C
D2SW D1SW
D2C D1C
Q1FL
Q1FR
Q1SR
Q1SL
Q88
Q1SW
Q1C Q89
Q90
D103 D102
POWER AMPLIFIER
Q82
D104
M L
K J
N
2/4
DSP B'D-
CP401
TUNER PACK
DVD B'D-
1/4
CN205
FRONT-L
FRONT-R
PRE AMPLIFIER
REAR-L
REAR-R
CENTER
SUB-WOOFER
FUNCTION
SELECTOR
FRONT L
CP101 CP215
CP216 CP102
DSP B'D-
2/4
CP402
(BOTTOM VIEW)
IC10
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NC
L BASS 1
L BASS 2
L BASS 3
LTRE
BYPASS L
BYPASS R
L IN
GND L
R IN
GND R
C IN
GND C
SL IN
SR IN
GND S
SW IN
A VDD
OUT 1
OUT 2
OUT 3
OUT 4
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
NC
R BASS 1
R BASS 2
R BASS 3
RTRE
CR2
CR1
CL2
CL1
A VSS
L OUT
R OUT
C OUT
SL OUT
SR OUT
SW OUT
A GND
D GND
LATCH
DATE
CLK
D VDD
4 3 2 1
A+ INPUT
A- INPUT
A
OUTPUT
V-
8 5 6 7
V+ B+ INPUT B- INPUT B OUTPUT
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
VDD
RES
S
VSS
1
2 3 4 5 6 7 8 9
10
11
12
13 14 15
VEE CE DI CL
1
2
3
4
5
6
7
8
9
10
11
FL
FR
CT
SL
SR
SW
1
2
3
4
5
6
7
8
9
10
11
12
Y
Cb
Cr
GND
GND
FRONT L
GND
FRONT R
GND
DVD L
GND
DVD R
1 2 3 4 5 6 7 8 9 10 11 12 13
RDS DA
T
A
RDS CLK
GND
DA
T
A
OUT
CLK
D
ATA
I
N
PLL
CE
AUDIO(R)
GND
AUDIO(L)
VCC 12V
NC
TUNED
1 2 3 4 5 6 7 8 9 10 11 12 13
RDS DA
T
A
RDS CLK
PLL
DA
T
A
IN
+5V
CLK
PLL
DA
T
A
OUT
PLL
CE
TUNED
T
MUTE
R MUTE C MUTE
F MUTE
SW MUTE
1 2 3 4 5 6 7 8
7821 CLK
7821 DA
T
A
7821 CE
SUB ON/OFF
SM7346 CE
SM7346 DA
T
A
SM7346 CLK
SPK RELA
Y
1 2 3 4 5 6 7 8 9 10 11
+15V
-15V
+5V(D)
L I
N
A
GND
R IN
A
GND
D GND
+5V(A)
D GND
+3.3V
1 2 3 4 5
H.P(R)
GND
H.P(L)
D GND
H/P
CHK
3 1 2
-27V
FL
AC
FL
AC
VCC
GND
MUTE
STBY
STBY
MUTE
GND
VCC
RY101
390
R116
2W
RY102
RY103
C97 100P C99 100P C98 100P
R96 1K
R125 1K
R95 1K
3
2
1
R57L
470
1u50
+
C100
R97
R57R
470
100K
220K 100P
R2R
C1R
C1L
100P 220K
R2L
470
R1L
R1R
470
220K
220K
470
470
C3L
C3R
100P
R5R
100P
R5L
470
C2R
C2L
100P
R3R
100P
R4R
R4L
R3L
470
1000P
C5R
1000P
C5L
220K
220K
R7R
R7L
R6L
470
470
R6R
C4R
100P
100P
C4L
3
2
4
1
5
6
8
7
4.7u50
+
C51L
100K R58L
100K
R58R
4.7u50
+
C51R
4.7u50
+
C52L
4.7u50
+
C52R
6
13
7 6 5 4
13
7 4 5 2 1 2 1
11
10 13
3.3K
R92
3.3K
R93
100u16
C95
+
R94
22
1W
7 6 5 4 3 2 1
+3.3V
15V
+15V
0.1
C146
27V
+3.3V
C117 100P
0.33u50
+
C105
3.3u50
+
C110
3.3u50
+
C113
2.2K
R106
1000P
C112
0.015
C106
C54 8200P
2.2K
R107
1000P
C111
0.015
C103
0.33u50
+
C104
8200P
C109
C116 100P
C115 100P
SR
R
L
C
SL
SW
270
R104
270
R102
4.7
R105 47u16
+
C108
4.7
R103 47u16
+
C107
1W 1W
+15V
B +B
15V
+15V
B
750
R108
2.7K
R109 47u16
+
C114
R1
10 4.7K
R1
1
1
4.7K
R1
12 1K
6 7 5
15V
+15V
15V
+15V
+B
+15V
120
R48L
47u16
+
C146L
68K
R47L
1K
R44L
0.1
C24L
R46L
6.8K
22K
R45L
R45R 22K
1K
R44R
R46R 6.8K
0.1
C24R
68K
R47R
120
R48R
47u16
+
C146R
3.3K
R49R
3.3K
R49L
100K
R59R
100K R59L
4.7u50
C7R +
4.7u50
C7L
+
3
2
8
1
4.7u50
+
C8FL
2.7K
R16FL
16K
R22FL
10K
R23FL
100P
C13FL
100P
C11FL
1K
R25FL
4.7u50
+
C9FL
560
R20FL
33P
C10FL
100K
R21FL
R25FR
1K
R20FR C9FR
R21FR C10FR
33P
100K
4.7u50 560
C11FR
R22FR
16K
100P
5
6
2.7K
R16FR
4.7u50
+
C8FR
10K
R23FR
100P
C13FR
7
4
1K
R25SR
R25SL
1K
R20SL C9SL
C9SR R20SR
33P
C10SR
100K
R21SR
4.7u50 560
R22SR
C11SR
20K
100P
6
5
R16SR
3K
C8SR
+
4.7u50
R23SR
10K
C13SR
100P
7
4
R21SL C10SL
33P
100K
4.7u50 560
+
C11SL
R22SL
20K
100P
3
2
3K
R16SL
4.7u50
+
C8SL
10K
R23SL
100P
C13SL
1
8
C9C R20C
1K
R25C
R25SW
1K
R20SW C9SW
C10SW
1000P
R21SW
100K
4.7u50 560
+
3K
R22SW
100P
C11SW
5
6
1.2K
R16SW
47u16
+
C8SW
20K
R23SW
100P
C13SW
7
4
33P
C10C
100K
R21C
4.7u50 560
+
R22C
20K
100P
C11C
2
3
R16C
3K
C8C
+
4.7u50
R23C
10K
C13C 100P
1
8
+
+
100K
R24FR
10u50
+
C12FR
10u50
+
C12FL
100K
R24FL
3.3K
R37FR
3.3K
R37FL
4.7u50
+
C14FR
1000P C15FL
1000P
C15FR
4.7u50
+
C14FL
1K
R27FR
47K
R26FL
47K
R26FR
1K
R27FL
120P
C20FL
33K
R35FL
0.047
C19FL
220K
R32FL
47
R33FL
47
R34FL
220K
R31FL
47u16
+
C18FL
390P
C17FL
15K
R29FL
1K
R30FL
47P
C16FL
1K
R28FL
47P
C26FL
470P
C143
10K
R115
47P
C26FR
15K
R29FR
47u16
+
C18FR
1K
R28FR
390P
C17FR
47P
C16FR
120P
C20FR
47
R34FR
47
R33FR
33K
R35FR
0.047
C19FR
220K
R32FR
220K
R31FR
R30FR
1K
R28SL
VCC
VCC
R28SR
+
R34SL
47
R33SL
47
MUTE
R24SR
100K
220K
R32SR
220K
R31SR C19SR
0.047
R35SR
C20SR
120P
33K
R34SR
47
+
C12SR
10u50
+
R33SR
47
4.7u50
C14SR
C26SR
R30SR
1K
390P
47u16
C18SR
C17SR
1K 47P
15K
R29SR
C16SR
47P
1K
R27SR
GND
R26SR
R26SL
1000P
R24SL
3.3K
C15SL
3.3K
R37SR
100K
1000P
C15SR
C12SL
+
10u50
R37SL
120P
C14SL
+
4.7u50
47K
10K
R114
47K
470P
C142
STBY
STBY
MUTE
47P
C26SL
R27SL
1K
GND
R31SL
220K
R32SL
220K
R35SL
33K
C20SL
C19SL
0.047 1K
R30SL
C17SL
390P
+
C18SL
47u16
47P
C16SL
1K
R29SL
15K
R28SW
R28C
VCC
VCC
C26SW
47P
R32SW
R31SW
220K
220K
47 120P
C20SW
R35SW
C19SW
39K
0.047
R34SW
47
15K 47u16 1K
+
R30SW
C17SW
C18SW
390P
C16SW
R29SW
47P 1K
100K
R24SW
+
10u50
C12SW
R24C
100K
+
10u50
C12C
R37C
R26SW
R26C
C15SW
1000P
R33SW
4.7u50
+
C14SW
R37SW
3.3K
3.3K
C15C
1000P
47K
10K
1K
R27SW
470P
GND
MUTE
R113 C141
47K
STBY
STBY
GND
MUTE
R31C
R32C
220K
220K
C20C
120P
C14C
4.7u50
+
R34C
47
R33C
47
0.047
R35C
33K
C19C
1K 47P 390P
C26C
47P
R27C
1K
C17C
R30C
1K 47u16
+
C18C
15K
C16C
R29C
C140
1000P
10
13
11
+
C123
1u100
+
C122
1u100
1u100
C121
+
1u100
C120
+
+
C1
19
1u100
C1
18
1u100
+
4.7K
R127
2 1
SW
C
SL
L
SR
R
47K
R140
100K
R99
10K R98
4
+15V
15V
15V
+15V
15V
15V
15V
+15V
+15V
+15V
+15V
15V
+15V
15V
+15V
+15V
15V
15V
+15V
+15V
15V
+15V
15V
+3.3V
470P
C145
C25SW 470P
IC75
1W 1W
15V
+15V
7
11
10
9
8
4
6
5
3
2
1
7
10
11
8
9
4
5
6
2
3
1
SL
SW
SR
CT
FR
FL
7 7
10
11
10
11
8
9
8
9
4 4
5
6
5
6
2
3
2
3
1 1
+5V(D)
+3.3V
D GND
+5V(A)
D GND
A GND
A GND
-15V
+15V
L IN
R IN
+5V(A)
+3.3V
D GND
A GND
A GND
D GND
R IN
L IN
+5V(D)
+15V
-15V
+12V
+5V
+5V
+5V
+5V
+B
+B
B
B
+B
+B
B
+B +B
+5V
+B
B
B
+B
B
B
+B
B
B
+B
+B
B
15V
7
8
5
6
11
10
13
12
9
14
3
2
4
15
1
7
8
5
6
9
14
11
10
13
12
1
15
4
2
3
7
8
5
6
9
14
11
10
13
12
1
15
4
2
3
B B
23.4V
15.0V
-15.0V
OFF : 0V
MUTE ON : 0.7V
OFF : 0V
MUTE ON : 0.7V
12.7V
15.0V
6.7V
-6.7V
-15.0V
15.0V
6.6V
OFF : 5.3V
MUTE ON : 2.3V
OFF : +5.3V
MUTE ON : +4.8V
5.3V
ON : 0.6V
OFF : 0V
5.3V
MUTE
-30.4V
+30.4V
15.0V
-15.0V
-15.0V
5.3V
5.3V
5.3V
15.0V
-15.0V
5.56V
4.9V
ON : 0.6V
OFF : 0V
MUTE
OFF : 0V
ON : 0.6V
MUTE
5.2V
IC84
IC85
IC75
IC89
IC90
IC91
F
B
MAIN B'D
E
LINK B'D-B
LINK B'D-A
M - 4
AA-2
AA-4
CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts
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.
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.