Switch Unit - Kenwood KDC-MP628 Service Manual

A
PC BOARD
(COMPONENT SIDE VIEW)

SWITCH UNIT

X16-2950-1x / X16-3122-72 (J76-0054-02)
S17
C2
D5
IC6 G
C7
VCC
VO
C8
E
B
R38
Q7
R28
B E
B E
C4
S2
B
D10
D2
D3
D11
X16-2950-1x
X16-3122-72
Ref. No. Address
D18
IC6 6A
Q1 6A
Q2 6A
Q7 6A
D16
Q8 6A
C D
(FOIL SIDE VIEW)
SWITCH UNIT
X16-2950-1x / X16-3122-72 (J76-0054-02)
Q4 Q5
R2
B E
B E
R66
KR4
5 4
R1
KS5
R15
1
R9
8 1 R16
R12
C19
R23 R24
IC2
C11
R18
B E
9
25 24
C10
R13
IC1
48 1
CP17 CP12 CP10
CP19
CP11 CP9
CP15
CP14
C17
CP4
CP16
CP13 CP8 C16
CP18 144
1
CP22
IC4
36
37
C30
C43
C26
C27
RST
C24
CP28
CP24
X1
CP25 C28
CP29
CP35
CP30
IC8
CP34
14 8
IC7
SYSREQ
1 7
R53
KS1
E B
C34
R41
C32
Q3
B E
PAN5V
ILL+B
R3
DGND
R4
R8
R5
E
KDC-MP628/MP7028/MP728
MP8029/W7031/W7031Y
18
R44
R43
10
R19
CP6
CP2
CP3
CP20
109
108
73
72
CP26
X16-2950-1x
X16-3122-72
3 1
IC9 Ref. No. Address
4 5
C36
IC1 3D
IC2 2D
Q12
IC4 3D
IC5 4D
IC7 5C
IC8 4D
R61
C38
IC9 4D
C44
IC10 6D
R55
IC11 7D
Q3 6C
B E
R40
R42
Q4 2D
Q9
Q5 2D
R36
Q6 2C
Q9 6D
IC10
Q10 5D
1 5 Q11 5D
C41
Q12 5D
D2.5V
Q13 5D
D3.3V
C42
Refer to the schematic
diagram for the values
of resistors and ca-
pacitors.
1
2
3
4
5
6
7
19