Pc Board(Foil Side View) - Kenwood KRC-578R Service Manual

K L

PC BOARD(Foil side view)

1
CONTROL UNIT
R920
2
3
4
5
RN900
Q901 Q902
B E
B E
6
7
Refer to the schematic diagram for the value of resistors and capacitors.
M N
MAIN UNIT
4 6 1
C510
5 2
R357A R357B R356A R356B
R355A R355B R354A R354B
B E B
C353A C353B C352A C352B
Q350A
Q351A Q351B
R352B
R353A
D351
2
R501A
JC3
1
C351A C351B R501B
C508
L101
R506 R502
R101 R103
Q100
R104
Q500
C511
L100
1 R102
C101 Q102
JC10
R100
Q103
C102
C103
C105 C106 C301A
C208
R204
1
2
C108
R200A
C206A
C107
4
Q104
5
C200A
R106
JC23
1
VR200A
R200B C205A
C151
40
R202A
C200B R210A
C201B R211A
R201B 31
C214A
R202B 30
C205B
24
C214B C206B
C626
VR200B
1
D7
3
1 D6
ET1
R58
4
O P
D501
IC500
R508
24 2
CN350
25 1
C505A
C503A
3
C507
JW7
C506
R504
C505B C504A
JW8
C512 C503B
R505
D350A
C502A
E
D350B
C603
D352B R600
Q601
R601
R602
C504B
D352A JC5
C350A
Q600
R500A C500A
C502B
C501A
R500B C500B
JC8
D506
C350B D507
C509
C309
R300
JC7
R503
R509
8 2 1
C310
R302
C303
Q300
C301
C304
R302 R308
C306
Q303
IC300
R306
C305 R303 R304
Q301
R307
C307
Q302
C308
R305
15 14 C1
JC19
JC36
RN1
X1
C8
C204
R14
1 30
100
31
R13
C207A R40
IC2
C209
R47
R39 IC1
R206
10 R36
C301B
11
IC200
RN7
C211
81 50
X2
RN6
20
80 51 R46
21
C19
R208
C14
Q3
C212
R60 Q5
13 1
C150
D614
Q615
JC48
R59
JC51
D8 C615
Q614
R627
JC32
R38
C616
D5 R33
CN3
R34
R37
Q612
MAIN UNIT
Ref.No. Address Ref.No. Address Ref.No. Address Ref.No.
IC1 4P Q100
IC2 4Q Q101
IC3 3Q Q102
IC150 4Q Q103
IC200 4O Q104
IC250 4R Q300
IC300 3P Q301
IC500 1P Q302
Q1 4R Q303
Q2 4Q Q350A
Q3 5P Q350B
Q5 5P Q351A
9
Q R
C600 L600
CN600
16 9
17
1 8
C602
18
D400B D401
D600
RN400
D400A
R615
JW18
R618 D403
R607 R617
C608
R603 C609
D405
R616 R620 R621 R606
R610
R608
C624 R619
D610 R609
R604 R612
B E B E B E R644
R611
D606
R605
Q608
C403 D603
D604
D605
C402B
D607
C604 Q606
Q605
C404A
C402A C404B
R32 JC39
R614
R20
R65 C20
C10
1
14
IC3
JC12
14
8 7 25
Q2 Q1
IC250
C612
RN5
1
13
1 8
R250
C3
R251
IC150
C4
Q617
16 9
JC451 Q611
C155
C154
Q620 D250
R634
X150
JC53
Q618
1
RN4
2
C13
C152
R45
10
11
C255
C622
Address
3N Q351B 2N Q611 4S
3O Q500 3N Q612 5P
3O Q600 2P Q614 5P
3O Q601 2P Q615 5P
4N Q602 3S Q616 5R
3P Q603 3Q Q617 4R
3P Q604 3S Q618 5R
3P Q605 3R Q620 5R
3P Q606 3R Q621 5S
2O Q607 3Q Q622 5S
2O Q608 3Q Q624 5S
2N Q610 4S Q625 5S
S T
2 3 4 8 12 11 13
1 5 7 6 10 9 CN400
R400
R401B
R404
C400
R401A
D402
D404
Q604
Q602
C605
C607
R625
D612
C610
C614
D613
Q610
C613
R641
R624
R626
Q624
R643
Q621
D617
Q622
C623
SWITCH UNIT
S800
S801
CN800
4 1
10