Schematic Diagram - Kenwood KRF-V4550D Service Manual

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