Kenwood AR-304 Service Manual page 9
Audio video surround receiver
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Also See for AR-304:
- Service manual (25 pages) ,
- Instruction manual (17 pages) ,
- Instruction manual (16 pages)
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F
G
PC BOARD(Component side view)
1
AC OUTLET
2
3
X09 H/8
X09 D/8
F4
CN4
CN5
WH4
4
C112
F5
C113
CN19
CN20
X09 E/8
5
X09 G/8
X09 F/8
2
1
C62
C61
6
PHONES
STANDBY
7
Refer to the schematic diagram for the value of resistors and capacitors.
H
I
AUDIO UNIT
X09-6310-10 A/8
J5
B
P2
J8
W12
E
F3
CN17
CN18
1
W6
2
F1
CN16
CN15
C99
1
2
F2
CN13
CN14
W1
W2
1
E2
WH4
1
2
6
W4
C111
W23
R114
D17
R112
Q37
E
B
R113
P1
C78
W20
W15
R111
B
E
W24
D19
Q38
-30V AVR
R209
+5.6V AVR
X09 C/8
X09 B/8
ED51
POWER
D527
W7
W8
POWER
D516
L501
D523
W16
R547
W17
8
R549
W18
D511
W19
W5
R539
4
R108
WH52
3
D515
9
D509
R107
1
R550
1
R551
C508
D517
W13
R548
C511
W14
C518
W21
BASS
MUTE
BOOST
A SP
B SP
MONITOR
J
K
SPEAKERS
SYSTEM
L
R
CONTROL
W26
S4
C77
W77
C71
C72
R151
J6
C73
C74
R152
W79
W34
C76
Q29
E B
W76
L2
R128
C94
R104
Q44
C119
R126
B
E
Q47
E
B
R125
W170
B
E
C117
W52
R122
Q42
B
E
Q40
B
E
D24
B
L1
E
D27
15
D25
R120
D18
C43
D26
C67
Q15
W68
D37
E
C57
B
D39
W25
R97
C63
W63
W165
W65
C47
W66
B
E
D6
Q1
C87
C88
BIAS CONT.
Lch
R77
R85
R95
E
B
1
Q25
2
Q21
Q19
B
B
E
E
E
E
B
B
1
DIMMER
P.CALL
P.CALL
BAND
1
L502
IC54
PTY
TA/NEWS
RDS DISP.
1
4
W80
R580
16
IC52
R521
X502
5
8
W73
W74
W75
R583
B
Q502
E
B
E
S.DIRECT
BALANCE
SOUND
9
L
M
MONITOR
MD/TAPE
AUX
PRE OUT
PLAY IN
REC OUT
REC OUT
PLAY IN
PLAY IN
J4
J3
J2
C23
R23
R105
IC4
1
8
R31
R103
R35
R27
R30
R203
W78
R32
R29
R199
W140
R200
C84
C83
15VAVR
W139
C115
W83
C90
1
C116
14
C16
W85
W86
IC3
W84
C89
28
15
INPUT
C118
SELECTOR
A MUTE
10dB ATT
C27
R136
W141
W94
R133
R45
C134
C114
R43
R47
R182
R41
R137
R42
C108
R44
W113
R134
R183
R206
W107
R187
C48
R46
C30
C129
R66
D1
R167
C64
C127
C120
Q16
D4
R158
W118
E
Q2
B
W112
R186
E
B
W119
R164
R163
A CLASS
PROTECTION
BIAS CONT.
Rch
D31
R96
R102
2
R101
D32
1
Q22
Q20
B
B
E
E
E
E
B
B
CP2
W129
W130
R586
A501
R538
C532
CP1
R527
W114
R556
R545
R509
W115
1
3
R546
C533
R579
W135
35
1
30
100
31
D512
IC51
AUTO
MEMORY
C502
W143
50
D513
81
80
51
C509
D518
W110
W136
R567
W120
C504
R572
S517
R536
R585
C531
C535
W122
C525
D524
R575
W123
R576
S518
W124
MULTI
INPUT
R503
CONTROL
CONTROL
N
O
CD
PLAY IN
PHONO
J1
R3
R28
R5
C8
C7
R7
R8
C31
W153
1
8
IC1
PHONO
EQ
R142
R141
C137
E.VOLUME
R49
R73
65
80
R50
R74
R37
64
1
R38
R83
R84
R39
R40
C33
C34
15
C128
41
24
40
25
C132
C130
1
CN8
1
31
W64
W155
W156
CN9
1
31
W146
C521
C529
IC53
W172
C503
O
I
G
W145
E
R528
R525
B
R524
R573
X501
R574
D508
W152
R552
W150
R502
R169
D529
R565
R558
R577
R570
D528
R563
W147
R537
S516
D530
R568
W160
VOLUME
CONTROL
C534
10
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