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Schematic Diagram - Kenwood KRF-V4550D Service Manual

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K
L
PC BOARD (Component side view)
1
X14 B/6
2
X14 D/6
3
4
X14-7122-73 A/6 (J70-1409-31)
WH7
5
IC5
6
WH6
1
7
W2
S5
E6
3
1
WH3
SP.A
WHT
(SP. ON/OFF)
7
7
M
N
X14 C/6
C28
R29
D1
R113
C31
S4
C29
R111
S1
POWER
STANDBY
X14 F/6
PHONES
POWER
CN2
21
1
20
2
C58
2
BLK
R161
W12
1
RED
W23
W11
CP3
W18
C114 C112 C111
W8
C113
CP501
W34
1
R79
ED1
W24
W9
51
50
W19
G
C42
W7
I
CP2
O
W10
R141
R55
R51
W14
B E
R54
26
75
W21
8
IC1
R11
C22
25
7
76
W20
C10
2
W17
W22
1
WH1
W15
E1
W16
W503
1
W13
100
C21
C44
R125
S17
UP
CP1
R119
R124
R59
W3
R121
W32
D16
W4
R13
R15
W5
R14
R12
D15
S3
MULTI CONT.
D24/W36
D19
W37
D17
C47
S18
C45
S6
DOWN
SP.B
(MUTE)
O
P
X08-3010-11 A/3
(J70-1363-41)
VIDEO
SYSTEM
CONTROL
C601
R601
C610
R611
J75
C607
J61
D75
R607
D76
R609
C753
C609
C751
C602
R610
C604
C752
R612
D51
8
1
D52
C509
7
1
IC62
R613
IC61
9
16
C510
8
14
R523
R404
C416
7
1
R522
IC42
R528
8
14
C501
C414
R527
S19
C413
14
8
R505
C412
R405
R401
IC41
C401
1
7
R403
R427
R426
R432
8 5
R515
R428
1
4
C460
CP44
CN5
C459
R412
C451
R454
R452
1
2
R450
R453
C452
W59
W73
W63
W66
W67
E B
C35
5
15
B E
B E
C109
C108
C110
CP502
DOLBY
DIGITAL
PRPLOGIC
3STEREO
DTS
R32
R33
D4
R98
D3
C2
D2
W53
W60
W55
R129
S15
S16
S14
INPUT MODE
W54
C56
W56
SET UP
W62
DIMMER
R52
LISTTEN
R45
S13
MODE
S12
W40
R44
C59
W41
R47
R48
R5
R46
R62
R143
SOURCE
R64
B E
SOUND
DIRECT
R49
R10
S8
S9
R130
W43
BAND
AUTO
C40/C49
8
Q
R
DIGITAL IN
CENTER
DVD
SUB
CD/DVD
VIDEO2
WOOFER
A3
A2
A1
J1
C603
C37
C35
C36
R603
R38
R36
R34
C605
C33
C31
C256
R605
R35
R33
C34
R32
C32
R260
C58
R67
R37
L32
D3
L31
R111
R31
C107
R113
C111
C103
R107
4
1
C606
R101
R105
R66
C54
C43
C101
C59
R103
C105
C151
D6
C55
C41
C102
R104
C106
R41
R102
R106
5
8
R108
C57
R112
R114
C42
C112
C108
C508
LPF
R43
C207
R213
R10
R211
C211
R58
R205
R207
R8
R503
C203
4
1
C45
R59
R201
R203
C504
R45
C21
C9
C201
R209
C205
C25
R204
C206
R521
C202
R7
R210
R206
C23
C204
5
8
R12
C7
R212
R208
R214
C506
C208
C212
R311
C507
R524
R9
C307
C303
C311 4
R307
C6
1
R305
R21
C301
C5
R11
R301
C305
R303
R520
AD/DA
R304
C306
R310
R518
R302 R306
C505
C24
R516
5
8
R517
R308
R312
C502
R20
C27
C308
CP52
R519
9
1
10
2
R155
C455
C161
D42
C461
E7
C165
WH6
C621
C162
C622
C4
R156
R635
C3
AVR
R632
R158
D62
C168
C454
C170
D43
R633
C457
R462
Q62
C169
R461
R634
R631
C458
D61
R164
C453
C450
R451
R465
3.3V
D35
R502
R501
W91
R3
35
51
55
W92
E B
CS5.1
W78
(DOWN MIX)
W98
B E B E B E
W107
E B E B
W104
D5
D6
W81
W103
C14
W121
R41
W114
S7
E B E B
R26
R27
D8
R72
S2
MONITOR
IC2
G
E B
I
S11
O
R22
INPUT SELECTOR
R23
I
O
S10
I
1
3
W111
O
G
G
W112
WH2
WHT
MEMORY
Refer to the schematic diagram for the value of resistors and capacitors.
S
T
DVD/6CH.INPUT
SURROUND
FRONT
J2
J3
C253
C251
C252
C254
R251
R259
R255
R256
R252
R262 R261
R257
R258
R253
R254
R121
C121
R127
R123
15
1
4
1
R125
C126
IC12
IC13
R126
C125
5
8
16
30
R217
R128
R124
Config
R215
C122
R122
R218
R216
R153
C155
R168
R154
C156
C151
C152
C159
R172
C141
R151
R152
D152
C160
R173
21
1
R169
R171
R170
C153 C154
E
B
E
B
IC15
C163
R165
C188
C183
C166
R166
22
42
C171
6
2
C164
R157
R159
R174
C167
C172
R160
R175
7
1
C173
C184
R161
R163
CN3
CP11
A1
W140
C48
W25
W142
W143
W137
W130
W131
W132
W133
W134
W138
W135
W136
C55

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