Kenwood VR 3080 - Dolby Digital Receiver Service Manual page 15

F G
PC BOARD (Component side view)
SURROUND UNIT
1
SL16
SYSTEM
XS8 SL16
CONTROL TEXT
X08-2970-10 A/10
(J70-1297-01)
T
G
C852
S1 C855
J82
C851
J81
Q854 Q855
E B
O
G
I
R868
IC54
Q853
R866
2
R522
R867
C513
C517
R504
R503
5 4
C510
R502
8 1
1 32
50 31
51
30
C533
C532
17
16 R501
R508
80 1
100
81
3
X08 J/10
4
X08 E/10
X08 D/10
D907
1
5
STANDBY
4
S96
1
4
A91
X08 B/10
5
J91
P9
6
WH9
E9
S91
1
3
S92
PHONES
7
Refer to the schematic diagram for the value of resistors and capacitors.
H I
DIGITAL IN
VIDEO3
CD1 VIDEO4
J84 J83
R
T S T S
R63 R57 A2
C863 C864
C862 C861 C58 C62
R
R
C854
C865 C54
J84 J83
J1
J85 R880 C63
R861 Q851
C59
R64
E B E B R883
R881
C64 C60
R50
E B R65 R59
R863
R882
R66 R60
C856
12.288MHz
R864
Q501
X51 C103
R520
R510 4 1
IC57
R515 3
1 CODEC
C102
5 8
4 5
IC56
R47
R511
C104
C40
R73 23
C203
33
R35 22 R205
34
R34
R206
C35
IC3 C202
C19
C204
C34
44
C45 12
C20
1 11
Q11
R26
C303
8 B E 1 R25
C41
C302
IC7
C304
9 16
MI-COM
R859
R49
DSP
R860
R753
51
80
81 50
D705
D706
D707
C711
R788
R759
R789 IC71
100 31
R777
1 30
28 15
R761 R760
R817
R763
R762 R819
R773
IC72 R816
R764
D801
R765
R766 R813
R811
1 14
R774 R767 R812
C712
C713
R757
H L H L H L
R758
DSW
3.64MHz X72
D804
21 1 13 1
1
E1
CN5 CN91
INDICATOR
3
CLIP INDICATION
D902
DIGITAL
DTS
DOLBY
1
D901
80 51
D903
50
81
B E B E B E B E
Q903
C915
IC91
Q911
B E B E B E
100 31
1
30
A SPEAKER R912
R981
R926
R900
5.0MHz
R899
X91
D904
C906
R898
R924
D905
B SPEAKER MUTE
D906
S93
1 13
CN92
E95
J K
VIDEO1
VIDEO4 VIDEO3 VIDEO2
PLAY PLAY PLAY PLAY REC
VIDEO2
IN IN IN IN OUT
A1 R604 R601 R618
R603 R602
C607 C605 C603 C601 C613
C52
J62
C53 C51
R52
R51
C609
R605
C18
C636
8 Q612
1
C611
R113 C17
1
IC61 B E
4 B E
R615
R121
IC11
9 16
E
B E
4 1 4 1
5 8 B
R114
C621
R638
IC12
C108
R122
R619 Q621
SEL VIDEO C631
C207 C624
5 8 5 8
R211
4 1
CONFIGURATION
IC21
14 1
R212
5 8
IC15
C307
4 1
C305
R313
1
4 15 28
IC31
5 8
5 8
R314 R320
CN61
16 1
R808
R637
Q631
C804
C803
B E
C802
D803
O
R802
G
R801
R807
D703
I IC81
D702
R814 D701
R715
R775
D453
5
CN93
X08 F/10
Q571
B
E
B E
R578
Q572
D574
R577
D573
R573
R572
E96 ED1 62
WH53
X08 G/10
VOLUME
CONTROL
S94
S97
SELECTOR
INPUT
1
3
X08 H/10
S95
MODE
DISPLAY
15
L M
PRE OUT
CENTER
MONITOR SUB
OUT WOOFER SURROUND FRONT
C391 C392 C291 C292 C191 C192
R630
C623 J61
J2
R627 B E
R389 B E B E B E B E R190 B E
R390 R289 R290 R189 R188
B E B E B E
B E R388 B E R287 B E R288 R187
Q623 Q154
R381
R16
R382 R281
R10
R6
R18
E R14 B B
8 5
IC1 E
Q2
Q1
E B E B
1 4
Q3
R5 R9
R17 R15
C454
C455
E B
E B E B
E B
E B E B C456
CONT MUTE
E B E B
E B LSch
Cch RSch Rch Lch
SWch
E B
13 13 12
13
12
12
1
24 1 24 1
24
C362 C262 C162
C378 C278 C178
B E B E
EB B E E B E
B
C370
C375
C376 C276 C275
E B
7 1
E B
CN4 VOLUME
VIDEO4 VIDEO3 VIDEO2
PLAY PLAY PLAY
IN IN
X08 C/10
E57
C649 C646
C650 C647
C652
D571 R693 R692
R698 R697 R696
R652
R650 R649 R647 R646
C693 C692 C691
C651 C648
R651 R648
R571
D572
C674 C673
C573
E53
1 5
Y C
C682
C675
C686
C685
8 1
8
IC66
IC65
9 16
9
R682
CN64
1 16
AUX INPUT
8
WH61
E61
C600
R598
J67
1
D591
J63
R593 R594
D592 C597
D908
R599
C598 C599
R597
R596 R592
R591
C596 C591 C592
VIDEO L R
S-VIDEO
AUDIO
N O
X08 I/10
7 CN3 1
CN2
1 7
S-VIDEO
VIDEO1
PLAY REC MONITOR
IN
IN OUT OUT
C644 C643 C663 C655 C666 C658
C641
R668
R691 R690 R667
R678 R658
R695
R688
R644 R643 R641 R666 Q661
C690 C654
C645 C642 R663 C657
R685
R645 R642 R657 R665
E B
R687
C671 R664
C672
Q643
R677
R686
C661
R672
R673
B E B E
R671
R654
C653
R845
R655
B E
R653 C695
Q641 R675
1 R680
B
R681
B E E
C664
R679
Q654
Q653
R660
D651
R661
16 B E
R659
C676
R670 R669
C659
(S) SEL VIDEO
16