Kenwood KDC-4551UB/455UW Service Manual page 31

KDC-4551UB/455UW/4651URY
KDC-U449/U5049
PC BOARD
(COMPONENT SIDE VIEW)
SWITCH UNIT
X16-704x-xx (GEB10302-002A)
D667
D669
CN603
1 4
D680
D668
D666
1
D678
D679
D677
D663
D673
D662
D675
D676
D674
D661
D672
D660
50
VCC
GND
OUT
C656
D657
D658
R651
R650
R652
(FOIL SIDE VIEW)
SWITCH UNIT
X16-704x-xx (GEB10302-002A)
R685
R686
C684
C672
C671
R683
D683 D684
R687
C683
R612
R611
C610
R610
E B
TL627
TL624
TL625
R645 R640
R644
TL626
R643
R642
TL621TL623
B E
TL622
E B
R641
R615
C618
C617
C616
R638
C615 C614
R637
R636
C693
E B
R677
R627
R658
E B
B E
B E
C694
R626
R621
1
C621
2
D601
19
20
C642
R617
R619
R620
R663
C691
Q662
R662
R660
R661
Q661