30
KDC-348U/4751SD/BT41U/BT648U
/U4549/U4549SD/U549BT/X395/X695
X34-696x-xx (3/6)
16
16
16
16
8
6
4
5
7
2
3
1
1 2 3
1 2 3
1
1
2
3
4
7
5 6
8
7
6
5
4
8
8
8
7
8
8
7
4
5
6
6
5
4
4
16
17
17
17
17
17
17
17
17
18
18
18
18
18
18
18
18
19
19
5 6
6
5
20
20
20
20
20
20
21
21
21
2
18
18
22
3.3V
3.3V
0V
3.3V
0V
3.3V
3.3V
0V
0V
3.3V
0V
5V
3.3V
0V
0V
5.0V
0V
3.3V
3.3V
0V
0V
3.3V
0V
0V
3.3V
0V
0V
3.3V
3.3V
0V
0V
3.3V
3.3V
0V
0V
3.3V
3.3V
0V
0V
3.3V
3.3V
0V
0V
3.3V
3.3V
0V
3.3V
0V
0V
3.3V
3.3V
0V
3.3V
3.3V
3.3V
0V
0V
3.3V
3.3V
0V
0V or 1.2V or 3.3V
or 2.4V or 3.3V
0V
0V or 0.8V or 1.6V
0V
∗
IC203
IC301
∗
IC201
D403
D402
D401
E2PROM
3.3V
to 5V
D201
WIRED
REMO
∗
I
SYSTEM u-COM
Q91
+B AVR
D91
D92
D93
4V PRE OUT
Q94
Q93
Q92
SW
for 4V
CONT
∗
B
+B
PRE OUT
TP414
TP366
TP367
TP369
TP368
TP370
TP371
TP372
TP374
TP373
TP211
TP213
TP212
TP214
TP218
TP216
TP215
TP217
TP180
33
C406
ACIN3L
3
9
ACIN3R
131
SAOUT
C409
SACLK
SARES
19
20
21
SEL
SDA
DCERR
16
17
18
SCL
76
77
1
132
C407
C408
ACOUTL
ACOUTR
31
32
23
SAIN
22
REF5V5
VOLINL
VOLINR
REF3V3
MUTE0
MUTE1
MUTE2
27
24
25
26
28
29
30
1
10P
∗
C416
C410
1
2.2u50
+
78
11
12
1
10
81
80
79
10K
R401
∗
L403
VR413
0
∗
L402
0
∗
R412
0.47
C404
1
C403
47P
∗
C419
4.7K
R403
SCL
SDA
3.3K
R241 3.3K
R240
10K
R402
1
2
3
4
A0
A1
A2
VSS
8
7
6
5
VCC
WP
SCL
SDA
SCL
SDA
TP192
TP191
0
9
8
7
6
5
4
3
2
1
BU5V
DGND
CCE
PON CD
DRIVEMUTE
CD LOEJ
CD MOTOR
SERVO+B
SERVOGND
R301 2.2K
4P
C311
10
R315
43
31
44
3
2
1
GND
A
G
4
5
Y
VCC
45
100
R302
30
29
108
107
106
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
MUTE PRE SW
MUTE PRE
NC
USB OC
USB PON
LX CON
LX REQ M
LX MUTE
LX RST
AUD SCL
AUD SDA
TRACE DATA 3
TRACE DATA 2
TRACE DATA 1
TRACE DATA 0
TRACE CLK
SWCLK
SWDIO
DVSS
DVCC3
NC
LX CLK
LX DATA S
LX DATA M
NC
NC
AVSS
VREFH
RESET
MODE
IPOD SDA
IPOD SCL
IPOD RST
ROTARY CW
VFD DATA
VFD PAN DATA
PAN SYS REQ
ROTARY CCW
DVSS
VFD RST
PAN SC CON
PON SW3
BSIF LRCK
BSIF BCK
BSIF DATA
BSIF GATE
BSIF ST REQ
LX REQ S
TUN SDA
TUN SCL
REMO
REMO
REGVCC3
XT1
XT2
CVCC3
X1
CVSS
X2
DVCC3
DVSS / REGVSS
USB D+
USB D-
NM IN
TEST1
TEST2
NC
NC
AVCC3
SA IN
AUD DC ERR
NC
LINE MUTE
NC
NC
NC
NC
TYPE1
TYPE2
NC
NC
SERIAL DET
NC
PAN PAN REQ
SRC KEY
EJECT KEY
0
∗
R242
4P
C539
4P
C540
22P
C203
0.1
C213
R208 10
R206 10
R207 15K
R209 15K
8P
C217
8P
C218
0.1
C215
12K
∗
R462
47K
∗
R463
∗
R212 47K
∗
R213 47K
∗
R215
100K
R216
∗
R214
132
131
D-
D+
0.1
C214
32.768kHz
X202
22P
C202
100K
R204
1K
R205
X201
0.1
C212
SCL
SDA
109
220
R520
220
R519
100K
∗
R239
470
R238
22K
R203
68K
∗
R619
0.1
C201
68K
∗
R618
0.1
C211
47K
∗
R616
100K
∗
R617
68K
∗
R620
104
105
108
107
103
102
101
100
SCL
SDA
87
86
85
1K
R201
1K
R202
0.1
C216
100
∗
R271
47K
R217
RST
SCL
SDA
5
10
11
12
13
14
16
17
19
20
21
22
23
ENTRY
STEPUP
C93
1000P
R91 3.6K
10u35
R92
R96
R97
100
C91
2.2K
R94
2.2
C94
R93 5.6K
C92 1000P
4.3K
TP103
Q92,93
10u35
R95
1K
Q93,94
W106
BU5V
SERVO+B
SWREG5V
BU
A8V
113
112
134
PAN SYS DATA
PAN PAN DATA
VFD CLK
VFD CE
WIRED REMO
BU3.3V
BU3.3V
BU3.3V
BU3.3V
BU3.3V
BU3.3V
SW3.3V
SW3.3V
SW3.3V
SW3.3V
SW3.3V
BU3.3V
BU5V
SERVO+B
BU5V
BU5V
V
BU3.3V
PAN RESET
K
L
M
N
O