23
Refer to the schematic diagram for the values of resistors and capacitors.
KDC-BT7539U/BT8041U
/BT8141UY/BT838U
VCC
OUT
GND
C2
VOL AUD
AT
T
SRC
RST
C3
C4
C12
FNC
TI/AUTO
1
22
FM+
AM-
ED1
S1
S8
S7
D1
D2
D3
D4
D7
D8
D9
D11
D12
D16
D5
D6
D13
S2
S3
S4
S5
S6
IC3
SWITCH UNIT
X16-638x-xx (J76-0503-12)
SWITCH UNIT
X16-638x-xx (J76-0503-12)
R10
R12
CP19
CP18
CP20
R2
C66
C45
R67
R68
R81
R1
R3
R5
R6
R7
C75
C77
C85
C86
CP16
R73
C46
R79
C91
CP1
CP2
C47
R52
C63
C64
C71
C72
C73
C74
C76
C81
C82
C83
C84
CP4
CP6
R76
R78
R80
X1
C61
C62
C65
R61
R63
11
9
2
20
C7
C9
C11
C16
C43
CP3
CP5
CP11
CP12
CP13
CP14
CP15
CP17
L1
L2
C5
R62
R69
R71
R72
R74
R75
C6
C13
R47
R46
R45
R48
R44
R43
R42
R41
R49
R50
R51
CP21
R64
R65
R66
5
8
1
4
4 3
2
1
1
100
76
25
51
75
50
26
B
E
B
E
B
E
E
B
B
E
BE
BE
J1
D41
D19
D20
Q1
Q3
Q4
Q5
Q6 Q7
D40
D18
D92
D93
D94
D95
Q11
IC1
IC2
IC4
R
TL
Y2 CCW
R
TL
Y1 CCW
FL+B
ESD GND
SDA
SCL
R
TL
Y2 CW
ILL DGND
CNVSS
ILL+B
PAN5V TP2
FL GND
R
TL
Y1 CW
TP33
TP4
TP3
TP22
TP24
TP1
TP20
TP19
TP17
TP5
TP6
TP7
TP8
TP18
TP21
TP23
TP25
TP26
TP27
TP28
TP29
TP30
TP41
TP42
TP43
TP44
TP45
TP46
TP47
TP48
TP49
TP50
TP51
TP52
TP72
TP74
TP75
TP76
TP91
TP92
TP71
TP11
TP10
TP9
TP13
TP12
TP14
F-DC
TP16
TP15
E
D
C
B
A
1
2
3
4
5
6
7
PC BOARD
(COMPONENT SIDE VIEW)
PC BOARD
(FOIL SIDE VIEW)
X16-638x-xx
Ref. No.
Address
IC1
4C
Q1
6D
Q3
6C
Q4
3C
Q5
6C
Q6
2D
Q11
5D
X16-638x-xx
Ref. No.
Address
IC3
6A