
28
KDC-BT40U/BT645U
KDC-U546BT
U
V
W
X
Y
1
2
3
4
5
6
7
X16-678x-xx (1/2)
VCC
3
4
1
2
C21
1
2
VOUT
R32
CP13 100
R22
100
1
47K
ROW5
15
0.1
C11
PGND
LGND
F+2
F+1
2
1
4
3
OSCI
G1 1
VH
6
5
VDD
8
7
12
10
INT
IC1
9
IC2
11
28
20
ROW1
ROW2
ROW3
ROW4
G2 1
16
15
14
13
IC3
19
18
17
IC4
GRID1
GRID2
GRID3
24
23
22
21
IC5
IC6
27
26
25
Q2
Q3
G3 1
36
RESET
32
31
30
29
IC7
SW5
Q1
35
34
33
DIO
IC8
G3 2
CLK
37
COL1
CS
GND2
GND1
3
R51
∗
R52
∗
R56
∗
R57
4
KS4
TP40
TP90
KS3
KS2
KS1
TP38
TP89
TP39
TP37
TP88
TP87
KI2
KI3
KI4
TP91
TP41
TP92
TP42
TP93
TP43
KEY MATRIX
KS4
KS5
KI1
D
KS1
KS2
KS3
K
PANEL
DET
R
D+
D-
KS1
KS3
KS4
KS2
USB D+
3
1
2
FL+B
16
LED+B
ILL D GND
AUX L
AUX R
AUX GND
PAN 5V
USB GND
USB D-
USB 5V
10
5
4
6
9
7
8
13
11
12
15
14
VFD CS
VFD CLK
RTRY CCW
VFD INT
VFD DATA
REMO
19
17
18
20
D-
D+
0.01
C12
100K
R12
100
R13
1
2
3
TP82
TP81
17
19
18
CP14
MODEL NAME
DESTI-
NATION
UNIT
No. D56-62,84-86
D65
620
R52, R53
B30-1566-05
13
16
14
15
B30-1781-05
C10 0.1
R10 100K
100
CP11
∗
R55
∗
R54
∗
R53
820
TP71
TP72
VFD RST
RTRY CW
CN DET
15
16
14
13
19
17
18
R
L
TP31
L
22
R81
22
R82
B30-1779-05
B30-1781-05
1.5K
820
Q21-23
LED+B
LED+B
USB5V
820
2-71
0-10
15
R31
1000P
C13
21
22
24
23
SW5
ESD GND
MIC P
MIC N
1
2
MIC N
MIC P
C83
4700P
MN
MP
MN
MP
54-57
E2
M1
K
KDC-BT40U
KDC-U546BT
KDC-BT645U
(SR)
(RED)
(BLUE)
(BLUE)
Q23
Q22
Q21
Q20
ED1
D51
∗
D65
∗
D84
∗
D85
∗
D61
∗
D60
∗
D56
1
S12
2
S4
S7
4
S13
5
6
S5
S9
S6
3
J4
J3
J2
1/2
J3
X34-
SWITCH UNIT (X16-678x-xx)
IC2
: PIC95603
Q20
: RT1N441U-T111
Q21-23 : RT1P237M-T111
D52-62,84-86
:
∗
D81
:
D79,82
: DA204U
∗
D65
:
CONTROL
SENSOR
REMOTE
KEY SCAN
ADJUST
USB
AUX
S8
S14
S15
S11
DISP
RETURN
USB
EJECT
3
5
∗
D58
∗
D59
1
DISP
∗
D57
∗
D86
BAND
∗
D62
SUB
SRC
TRIANGLE
D82
D81
TIMING
DRIVER
REVERSING
GRID
B30-1566-05
D51
:
HZM6.8ZMWA-E
ED1
3-BT-266INK
:
CN1
BT MIC
D9
D10
2
64
D79
D9,10
: RK4.7KG(B2)
IC2
A
SWITCH UNIT (X16-678x-xx)
5V
0V
0V
5.0V
10.3V
0V
2.7V
1.1V
5V
0V
0V
10.3V
0V
10.3V
0V
10.3V
0V
5V
0V
5V
5.0V
5.1V
10.3V
5.0V
3.9V
5.1V
4a
4a
5a
4a
3a
2a
1a
3a
2a
1a
2G
3G
2G
1G
ANODE CONNECTION
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
P25
P26
P27
P28
P29
P30
P31
P32
P33
P34
P35
P36
P37
P38
P39
P40
P41
P42
P43
P44
P45
P46
P47
P48
P49
P50
P51
P52
P53
P54
P55
P56
P57
P58
P59
P60
P61
P62
P63
P64
P65
P66
P67
P68
P69
P70
P71
P72
P73
P74
P75
P76
P77
P78
P79
P80
P81
P82
P83
3a
2a
1a
3h
2h
1h
3j
2j
1j
3k
2k
1k
col3
col1
3b
2b
1b
3f
2f
1f
3m
2m
1m
S2
S1
3g
2g
1g
3c
2c
1c
3e
2e
1e
3r
2r
1r
col4
col2
3p
2p
1p
3n
2n
1n
3d
2d
1d
-
-
4d
-
4n
-
4p
-
4r
-
4e
-
4c
-
4g
-
4m
-
4f
-
4b
-
4k
-
4j
-
4h
-
4a
-
3a
2a
1a
3h
2h
1h
3j
2j
1j
3k
2k
1k
col3
col1
3b
2b
1b
3f
2f
1f
3m
2m
1m
S4
S3
3g
2g
1g
3c
2c
1c
3e
2e
1e
3r
2r
1r
col4
col2
3p
2p
1p
3n
2n
1n
3d
2d
1d
-
-
-
-
4d
-
4n
-
4p
-
4r
-
4e
-
4c
-
4g
-
4m
-
4f
-
4b
-
4k
-
4j
-
4h
-
4a
-
3a
2a
1a
3h
2h
1h
3j
2j
1j
3k
2k
1k
col3
col1
3b
2b
1b
3f
2f
1f
3m
2m
1m
S6
S5
3g
2g
1g
3c
2c
1c
3e
2e
1e
3r
2r
1r
col4
col2
3p
2p
1p
3n
2n
1n
3d
2d
1d
col5,6
S7
4d
5d
4n
5n
4p
5p
4r
5r
4e
5e
4c
5c
4g
5g
4m
5m
4f
5f
4b
5b
4k
5k
4j
5j
4h
5h
4a
5a
1G
2G
PIN
NAME
3G