Kenwood DVR-5070 Service Manual page 17

AJ AK
MAIN B'D
+15V
IC88 (1/2)
R20FL C9FL
FRONT-L
R25FL
560 4.7u50 8
SUB 3
1K
12 1
ON/OFF
+ 2
Q82
-4.9V
R16FL C8FL R23FL
3.9K 4.7u50 10K
Q2FL
+
C11FL
100P
PRE AMPLIFIER
-15.3V
15V
IC88 (2/2)
R20FR C9FR
R25FR
560 4.7u50 5 4
5.3V
11 7 1K
+
6
R16FR C8FR R23FR
3.9K 4.7u50 10K
+
Q2FR
C11FR
100P
FRONT-R
REAR-L
IC87 (1/2)
R20SL C9SL
R25SL
560 4.7u50 8
3
9 1 1K
+
2
R16SL C8SL R23SL
3.9K 4.7u50 10K
+
Q2SL
C11SL
100P
PRE
IC87
AMPLIFIER
(2/2)
R20SR C9SR
R25SR
560 4.7u50 5 4
8 7 1K
+
6
R16SR C8SR R23SR
3.9K 4.7u50 10K
+
Q2SR
C11SR
100P
H/P
(Lch)
REAR-R
CENTER
+15V
IC86 (1/2)
R20C C9C
560 4.7u50 8 R25C
3
1K
10 1
+
2
R16C C8C R23C
3.9K 4.7u50 10K
Q2C +
C11C
100P
IC86
PRE
(2/2)
R20SW C9SW
AMPLIFIER
560 4.7u50 4
5
7 7
+
6
R16SW C8SW R23SW
750 47u16 20K
Q2SW
+
C11SW
100P
SUB-WOOFER
-15.0V
+3.3V
+5V
C146
0.1
H/P IN : 0V
OUT : 5.3V
1 2 3 4 5
CP103
L
AY-2
AL AM
+15V
15.0V
C12FL C14FL R27FL
MUTE
10u50 4.7u50 1K
+ +
R37FL Q1FL
3.3K
MUTE ON : 0.7V
OFF : 0V
0V
Q703
R37FR
3.3K
Q1FR
15V
MUTE ON : 4.7V
C12FR OFF : 0V C14FR R27FR
10u50 4.7u50 1K
+ +
C12SL C14SL R27SL
MUTE
10u50 4.7u50 1K
0V + +
R37SL Q1SL
3.3K
Q702 MUTE
ON : 0.7V
OFF : 0V
R37SR
3.3K
+15V Q1SR
MUTE
ON : 4.7V
C12SR C14SR R27SR
OFF : 0V
10u50 4.7u50 1K
+ +
Q88
D84
0V
0V
Q89
Q705
15V
D85
85
90
Q90
D87
87
0V
0V
MUTE
ON : 2.9V
Q704
R704 OFF : 5.2V
91 Q701
0V
0V
C12C C14C R27C
10u50 4.7u50 1K
+ +
R37C Q1C
3.3K
MUTE
ON : 4.7V
OFF : 0V
R37SW
3.3K
Q1SW
MUTE
R25SW C12SW C14SW
1K 10u50 4.7u50
+ +
5.3V 5.3V
0V
15V
Q76 PROTECTION Q77
FAN OFF 0V 0V
: 14.6V
0V
R405
R415
33 R404 Q407
10K
1W R407 10K
Q403
4.7K
Q401 Q402
R416
15.0V R401 100
3.3K
FAN OFF : 14.6V
R406
R413
100K
100
R412 R411
1W 4.7K 10K
Q404 Q405 Q406
15V
+15V
+3.3V
+5V
FAN OFF
14.4V
1 2 1 2 1 2
CN3 CN2 CN1
M 3
CN601
FAN MOTOR
AD-7
AN AO
R503 13K
C505 22P
31.0V
IC101
C503
100P 0V 2 IN-
C501
0.047 0V
3 IN+
0V 4 IN+
MUTE
C541
D501 10u50
+
R523
10 MUTE
MUTE
THERMAL
33K 4.9V
SHUTDOWN
STBY
R521 22K 4.9V 9 STBY
C509
-31.0V
0.047
R507 13K
C525
0.047 C513 22P
31.0V
IC102
C511
100P
0V 2 IN-
0V
3 IN+
0V 4 IN+
C543 MUTE
D502
10u50
+
R526 10 MUTE
C533 MUTE
THERMAL
0.047 33K 4.9V
SHUTDOWN
STBY
R524 22K
4.9V 9 STBY
-31.0V
R515 13K
C529 22P
31.0V
IC104
C527
100P
0V 2 IN-
0V
3 IN+
0V 4 IN+
C547 MUTE
D504
10u50
+
R532 10 MUTE
MUTE
THERMAL
33K 4.9V
SHUTDOWN
STBY
R530 22K
4.9V 9 STBY
-31.0V
R519 13K
C537 22P
31.0V
IC105
C535
100P 0V 2 IN-
0V
3 IN+
0V 4 IN+
MUTE
C549
D505
10u50
+
R535 10 MUTE
MUTE
THERMAL
C94 33K
4.9V
SHUTDOWN
470u10
STBY
R533 22K 4.9V 9 STBY
+
R91
2.2K
-31.0V
R511 13K
C521 22P
31.0V
IC103
C519
100P 0V 2 IN-
0V
3 IN+
0V 4 IN+
MUTE
C545
D503
10u50
+
R529
10 MUTE
MUTE
THERMAL
33K
4.9V
SHUTDOWN
STBY
R527 22K 4.9V 9 STBY
-31.0V
15V
+15V
+3.3V
5.0V +5V
2 1
AP AQ
POWER AMPLIFIER
0V
OUT 14
6
BOOT-
STRAP
15.7V RY101
S/C
5
PRO- NC
R38FL
TECTION
11
NC
18K
12
23.6V
NC
C508 C507 R38FR
10u50 10u50 18K
+ +
D94
R116
390 2W
Q91
5.0V
RELAY CONT.
POWER AMPLIFIER
OUT 14 0V
6 R516
BOOT-
10K
STRAP
15.7V
S/C
5
PRO- RY102
NC
TECTION
11
NC
12
NC
23.6V
C516
10u50
+
R117
D95
390
2W
Q92
5.0V
POWER AMPLIFIER
RELAY CONT.
R38SR 18K
0V
OUT 14 R38SL 18K
6
BOOT-
STRAP
15.7V
S/C
5
PRO-
NC
TECTION
11
NC
12
NC RY103
R38C
C532
18K
10u50
+
23.6V
R118
D96
390
2W
POWER AMPLIFIER Q93
5.0V
RELAY CONT.
0V
OUT 14
6
BOOT-
STRAP
15.7V
S/C
5
PRO-
NC
TECTION
11
+B
NC
+B
12
NC
C540
10u50
-29.0V
+
POWER AMPLIFIER
0V
OUT 14
6
BOOT-
STRAP
15.7V
S/C
5
PRO-
NC
TECTION
11
NC
12
NC 15V
C524
10u50
-29.0V
+ 3.3V
+3.3V
+5V
5.3V
15V
+15V
+3.3V 0V
+5V
1 2 3 4 5 6
CP104
M
AY-4
AR AS
L1 FL COIL
R42FL
JACK101-C
22
4 FRONT L
R41FL
22
3 GND
2 GND
L1FR
COIL
1 FRONT R
R42FR
22
R41FR
22
R701
D702
8.2K
L1 SL COIL
R42SL
JACK101-B
22
4 REAR L
R41SL
22
3 GND
2 GND
L1 SR
COIL
1 REAR R
R42SR
22
R41SR
22
R702
D703
8.2K
D701
L1 C COIL
R42C JACK101-A
22
4 CENTER
R41C
22
3 GND
2
1
31.0V
-28V AVR
Q75 F901 D79
-30.8V
T500mA
250V
-29.5V
IC70
15.0V
+15V OUT IN
GND
IC71
-15.3V
GND
15V OUT IN
IC73
+3.3V AVR -15V AVR
OUT IN
8.3V
GND
IC72
4.9V
OUT IN
GND
+5V AVR