KDC-MP925/W8027
22
K
L
M
N
O
5V
0V
0V
5V
0V
5V
5V
0V
5V
0V
0V
5.0V
0V
5V
0V
5V
5V
0V
0V
5V
0.6V or 1.6V or 4.2V
2.5V or 5V
0V
0V
4.6
0V
5V
0V-5.0V
0V-2.0V
5V
0V
0V
5V
0V
0V
5V
0V
5V
0V
5V
0V
5V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
5V
0V
0V
0V
0V
0V
14.4V
6.8V
6.8V
6.8V
6.8V
14.4V
0V
-4.4V
0V
6.8V
6.8V
6.8V
6.8V
6.8V
0V
6.8V
6.8V
6.8V
6.8V
6.8V
4.2V
8.4V
0V
0V
8.4V
4.2V
4.2V
4.2V
0V
5V
22K
22K
IC4
IC20
(E30-6310-05) : KDC-W8027/FX-9100
(E30-6311-05) : KDC-X879/MP925
9
L ch
C272
A GND
A
UDIO 8V
MSD
A
MS CLK
SW1
SW2
D OUT
22
23
19
20
21
17
18
R-QUAL
P
AN-DET
M-MUTEL
AV
-REF
PHONE
74
73
R129
R130
R131
R132
75
IFC-OUT
FPM-SW3
FPM-SW4
FPM-SW1
FPM-SW2
76
77
78
79
PH-OUT
S-METER
NOISE
80
81
82
83
LX REQ S
POWER-DET
CD-SW4
R-CLK
84
85
86
87
SC-REQ
CD-SW1
CD-SW2
88
89
90
91
WOW-MODE1
2
P
AN-E2P-D
A
T
A
P
AN-E2P-CLK
AFS
8
5
EVDD
EVSS
6
7
(FM+B)
3
4
PLL-CLK
PLL-D
A
T
A
LX CLK
R-DATA
LX DATA S
LX DATA M
92
93
94
95
PAN-RX
PAN-TX
96
97
98
99
100
AM+B
1
0.01
R153 2.2K
2.2K
R138 2.2K
R137 1K
R141 1K
R142 2.2K
R143 2.2K
R144 1K
R152 2.2K
∗
R148 2.2K
R161 100K
R158 100K
R159 470
TP702
L102
∗
R155 100K
∗
R154 100K
R156 100K
R160 470
RR
10
12
11
9
A
UXG
A
UXR
RL
A
UXL
8
7
RG
R262 4.7
R263 10
C222 1
C227
0.047
C225 0.01
C224 0.1
C226
0.047
R603
2.2K
R604
10K
R605
10K
2.2K
C223 1
R602
100K
R601
100K
R611
10K
2.2K
R47
R48
R46
7
10
FL-
FR
ONT Lch-
FR
ONT Lch+
REAR Lch+
FL+
RL+
8
9
P-ANT
REAR Lch-
FR
ONT Rch-
FR
ONT Rch+
REAR Rch-
REAR Rch+
AC
C
P-CON
EXT CONT
PHONE
ILLUM
RR-
FR-
RL-
RR+
FR+
6
11
5
12
14
4
13
3
2
15
TP81
GND
FUSE
1
16
B.
U
.
F1 10A
5
7
3
R256
R257
22K
220
C276
1
STBY
PGND1
VCC1
PGND2
1
TA
B
OUT2+
OUT2-
OUT1-
6
2
4
8
4.7V
D GND
D GND
BU
5V
SW3
SW4
M ST
OP
M RST
MUTE L
MUTE R
R ch
11
14
15
16
12
13
8
9
10
6
7
SER
V
O
+B
MOSW
LO/EJ
4.7V
3
4
5
1
2
ILL+B
2
FL+B
1
FL
GND
3
R524 2.2K
R523 2.2K
R522 2.2K
∗
R521 2.2K
25
23
19
21
15
11
13
17
0.22u50
0.22u50
C274
0.22u50
C273
0.22u50
C275
C279
1u50
C278
1u50
R259
4.3K
R260
10
TH1
R261
7.5K
470
HSD
PGND3
A
CGND
OUT1+
IN1
SGND
IN3
14
10
12
SVR
IN2
16
18
IN4
MUTE
PGND4
VCC2
OUT3-
OUT3+
OUT4+
OUT4-
22
20
24
100K
1K
1K
100K
75
74
C110
8
1
2
100
10
4
5
R145 47K
81
84
83
82
87
86
90
91
89
92
93
88
94
95
96
99
98
97
80
79
78
77
54
R140
910
R614
C601
0.1
910
R607
R606
R610
39
38
FR
RR
RL
FL
11
15
9
RL+
RL-
FL+
FL-
FR+
FR-
RR+
RR-
33u16
C277
1K
10K
10K
13
14
15
3
A
UXL
A
UXG
A
UXR
PRR
PRL
24
91
SCL
90
SD
A
70
74
58
60
59
86
62
61
IC4
Q502,50
49
44
43
VCC
I/O1
1
8
O/I1
CONT2
GND
4
2
3
5
7
6
O/I2
CONT1
I/O2
4.7K
R621
39
40
34
32
25
39
40
32
34
R169
1K
10K
R162
100K
R151
100K
R150
100K
∗
R149
1K
R186
1000P
C109
R146 47K
R135 2.2K
R134 2.2K
R139 2.2K
R136 2.2K
R133 2.2K
TP68
TP69
TP73
TP70
TP71
TP72
TP76
TP74
TP75
TP79
TP77
TP78
TP80
TP44
TP37
TP39
TP41
TP40
TP42
TP43
TP38
TP45
TP46
TP47
TP48
TP49
TP50
TP51
TP52
TP53
TP54
TP55
TP56
TP57
SER
V
O
GND
TP89
TP90
TP82
TP83
TP84
TP88
R264 10
1K
R265
0.01
C286
0.1
C288
0.1
C287
0.1
C289
2.2K
R613
TP16
TP701
1K
R167
470
R164
4.7K
R166
4.7K
R165
470
R163
2
1
6
FRONT
3
4
5
SUB
8
7
9
REAR
12
10
11
AUX IN
+
+
+
CN4
CN1
J1
D211
D212
D210
D209
D207
CN5
D208
D213
D214
D216
D215
POWER
AUDIO
IC
PANEL
5V SW
IC20
SW for
Q603
SWITCHING IC6 FOCUS
ANALOG SW for
to CD MECHANISM
X34-303x-xx (3/5)