25
KDC-BT40U/BT645U
KDC-U546BT
X34-662x-xx (2/4)
J
I
H
G
F
6
1
7
1
3
12
2
4
5
4
10
3
1
1
3
2 3
2 3
1
2
2
3
4
4
4
5
5
5
6
6
6
6
6
6
7
9
9
9
10
10
10
10
10
11
11
11
11
10
12
12
12
12
13
13
14
14
1
1
15
17
1 2
13
TP364
TP351
TP352
TP353
TP354
TP355
TP356
TP357
TP358
TP359
TP360
TP362
TP363
TP361
TP365
TP366
TP367
TP368
TP369
TP370
TP371
TP372
TP373
TP374
TP404
TP180
TP421
TP422
TP412
TP413
SDA
SCL
3
4
VSS
A2
2
1
A1
A0
6
SDA
5
SCL
WP
VCC
7
8
C191
0.1
TP191
TP192
C403
+
1u50
∗
L751
0
∗
R405
∗
L750
∗
R406
0
28
C404
1
SDA
SCL
AUR
AUG
AUL
CD
-L
CD-R
R
L
R401
R/SR
RL
R/SL
FR
RR
FL
23
47u16
C401
15
16
17
18
19
GND
OUTSWR
OUTSWL
OUTRF
OUTRR
14
13
12
11
10
R353
10
CREF
FD1R+
FD1R-
FD1L-
FD1L+
1
C406
1
1
C405
C407
20
21
23
24
22
OUTLF
WINTC
MUTE
VCC
SCL
OUTLR
26
27
SDA
DC ERR
25
9
8
6
5
7
R352
10
3
2
4
QD1G
QD1L
SE3R
SE3L
SE2R
SE2L
SE1R
SE1L
QD1R
1
C921
1
C920
BT
CH-G
CH-L
CH-R
10K
ERR
TP414
D
ATA
S
TP97
R607 4.7K
C603
CH-R
R614
10
0.1
C602
CH-G
CH-L
R615
4.7
R613
10
C601
47u6.3
0.1
99
98
D
ATA
M
CLK
R603
10
R602
TP100
Rch
4
8
AGND
R604
1K
R601
4.7
10
TP101
TP102
R605 100
100
R608
Lch
12
TP96
TP99
6
2
3
7
1
5
10
13
11
9
100
91
MUTE
REQ S
R609 4.7K
R606 4.7K
TP98
TP95
TP432
VSS
2
NC
1
VOUT
3
VIN
4
47K
R205
1K
R334
TP158
1
C201
47u6.3
C306
C308
C307
TP171
TP154
TP153
AUX Rch
AUX GND
AUX Lch
R346
R349
10K
C311
1000P
R345
4.7
0.1
R344
4.7
2.2
R348
10K
C310
1000P
0.1
TP160
11
10
9
8
USB5V
TP170
TP172
TP163
TP173
TP159
6
USB GND
7
USB D-
SW5V
LED+B
3
4
5
USB D+
D-
SW5V
LED+B
D+
TP151
TP152
1
2
PAN5V
ILL D GND
AUR
C309
AUL
AUG
R347
USB5V
PAN5V
38
BU5V
0.01
1K
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
LX CLK
LX DA
TA
M
LX DA
TA
S
A
VCC
VREF
LX REQ M
A
VSS
LX RST
LX CON
LX MUTE
MUTE
PWIC STBY
NC
PWIC MUTE
NC
TUN SMETER
AUD DC ERR
PWIC DC ERR
NC(TYPE2)
TYPE 1
LINE MUTE
PON SWREG
FSEL
NC
BEEP
TUN SCL
TUN SDA
VFD SYS DA
TA
VFD P
AN DA
TA
VFD CL
BT SYS DA
TA
BT BT DA
TA
NC
ROT
AR
Y CW
PON P
ANEL
/ROMCOR DET
NC
NC
NC
NC
VFD CE
S SYS DA
TA
S SOC DA
TA
S SOC CLK
CD SRAMSTB/NC
S SOC REQ
NC
NC
NC
REMO
NC
BYTE
CNVSS
XCIN
XCOUT
RESET
XOUT
VSS
XIN
VCC1
NC
LX REQ S
RDS CLK
PANEL DET
NC
NC
NC
NC
RDS QUAL
F SYNC
RDS DATA
32.768kHz
X2
0.1
C204
22P
C202
1K
R201
10K
R203
100K
R204
47K
R207
22P
C203
470
R650
100K
∗
R619
100K
∗
R620
47K
∗
R616
100K
∗
R617
100K
∗
R618
47K
R58
0.1
C69
33K
R59
22K
R218
470
R210
47K
∗
R262
2.2K
100
CP203
∗
R271
∗
R260
47K
R208
X1
16.000MHz
23
17
25
100
99
98
95
93
92
91
79
78
90
89
87
83
ERR
∗
R226
∗
R225 47K
48
49
47
46
45
37
31
30
29
32
36
34
33
44
38
SW5V
4.7K
47K
SCL
SDA
470
R209
∗
R263
47K
∗
R261
VFD BLK
/CD PIO0
/CD CLK
/CD SO
/CD SI
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
BUCK
CD DISC12 SW
CD LOS SW
CD-SO
CD-SI
MECHA STOP
Lch
GND
Rch
CD MUTE
PIO0
CD MRST
/USB D-
NC/USB D+
CD LOE LIM SW
BU5V
DGND
CCE
/SW VBUS
DRIVEMUTE
CD LOEJ
CD MOTOR
SER
VO+B
SER
VOGND
BU5V
SR
V+B
47K
∗
R327
∗
R326
0
R307
∗
R306
R302 100
R301 2.2K
∗
R325
4.7K
R318
0.47u50
C301
0.47u50
C302
CD-R
CD-L
47
51
50
46
45
49
52
53
48
D+
59
54
58
55
57
56
R320
4.7K
R328
47K
D-
0
SRAM STB
∗
R324
0
∗
R322
0
100
6
5
/VBUS OC
PON CD
BU5V
SW5V
SW5V
18
80
BT
ROT
AR
Y CCW
9B3
9B1
13DIG
11DIG
9B3
9B1
9B1
9B3
BU5V
BU5V
BU5V
BU5V
BU5V
BU5V
EPM
+
+
+
+
+
ATOMIC E2PROM
NOT USED
D401
D602
D603
D601
D605
D604
LX BUS
J4
∗
D
RESET IC
S3
F-AUX
D305
D306
D304
D311
PANEL 5V
Q301
SW
D301
D650
D802
WIRED REMO
CN2
SYSTEM u-COM
to CD PLAYER UNIT (X32- ) CN2
4.0V
8.6V
3.3V
0.6V
0V
3.3V
3.3V
0V
3.3V
3.3V
0V
5.0V
0V
5V
0V
0V
0V
5V
0V
5.0V
0V
5V
5V
0V
0V
5V
0V
5V
0V
NC
0V
5V
0V
5V
0V
5V
5V
0V
5.0V
0V
0V
5V
0V
5V
5V
0V
3.3V
0V
0 or 5.0V
NC
0V
5V
5V
0V
0V
5V
0V
5V
0V
5V
IC10
IC8
∗
IC1