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Z
1
SWITCH UNIT (X16-6xxx-xx)
2
TP31
3
BLUETOOTH
MIC
∗
CN1
MIC P
1
MIC N
2
J1
TP24
PAN DET
24
TP23
MIC N
23
TP22
MIC P
22
TP21
RTRY CW
21
TP20
RTRY CCW
20
4
TP19
REMO
19
TP18
VFD CE
18
TP17
VFD CLK
17
TP16
X34-
FL+B 16
J520
TP15
VFD DATA
15
TP14
1/2
PAN 5V
14
TP13
VFD INT
13
TP12
A
ILL D GND
12
TP11
ILL+B
11
TP10
AUX L
10
TP9
AUX GND
9
TP8
AUX R
8
TP7
RESET
7
TP6
USB 5V
6
TP5
USB D-
5
5
TP4
USB GND
4
TP3
USB D+
3
TP2
VFD RST
2
TP1
ESD GND
1
∗
A
J4
1
TP61
2
USB
TP60
6
3
4
J3
1
2
AUX
3
7
AA
1G
2G
4a
4a
5a
4a
11V
5V
0V
1.1V
0V
C31
0.1
Q20
C32
0.01
Q20
KEY SCAN
TIMING
ADJUSTMENT
21
20
19
18
17
15
REMOTE
CONTROLLER
13
0V
IC2
AL
AG
AR
S3
RESET
D-
D+
PAN
R21 100K
5V
W1
Q21
TP30
Q5
C105
33P
C106
33P
C103
1000P
C102
C104
R117
1000P
0.01
10K
R118
R120
10K
10K
AB
3G
3a
2a
1a
3a
11V
0V
11V
0V
11V
11V
0V
0V
11V
0V
Q22
CP14
47K
Q23
Q24
Q22-24
GRID REVERSING
DRIVER
KEY MATRIX (09TDF BASIC)
COL1
ROW1
ROW2
FAVORITE
ROW3
ROW4
ROW5
TP55
KS1
TP45
D GND
TP56
5V
KS2
0V
TP46
S10
S12
S11
S13
FAVORITE
SEARCH
(CENTER)
(LEFT)
C8
1
TP57
KS3
TP47
R81
22K
LEFT SUB-ILL
RING-ILL
LEFT 2 KEYS
TRIANGLE
DISC GUIDE
Q51
LEFT SUB-ILLUMI
CONTROLLER
R57
Q51
Q52
12K
CENTER 3-KEY ILLUMI
CONTROLLER
Q53
RIGHT SUB-ILLUMI
CONTROLLER
AC
KDC-BT6544U/BT6544UY
/BT7043U/BT742U
2G
2a
1a
3a
5V
5V
5V
0V
5V
0V
0V
0V
11V
0V
COL2
COL3
COL4
COL5
COL6
AUD
AM-
FM+
SEARCH
AUTO
SRC
EJECT
PANEL
DETECT
S1
21
A
B
20
FM+
AUD
COM
AM-
ESD GND
S16
S14
S15
S17
AUTO
SRC
(LOWER)
(UPPER)
(RIGHT)
S18
S19
EJECT
RIGHT SUB-ILL
AROUND the AUX/USB JACK
CENTER BOTTOM
EJECT KEY
3 KEYS
DISC GUIDE
R58
Q52
R59
Q53
12K
12K
KDC-BT6544U/BT6544UY/BT7043U/BT742U (2/2)
X16-6500-21 (1/2)
AD
1G
2a
1a
0V
D GND
I
Q
Q
Q
Q
D
D
D
D
D
D
S
37
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