KDC-X879
33
AT
AU
AV
AW
AX
1
2
3
4
5
6
7
22K
22K
47K
47K
47K
47K
3.3V
0V
0V
3.3V
0V
0V
0V
3.3V
0/3.3V
(DA) 3.3V
(MP3)
(MP3)
(DA) 0V
(DA) 3.3V
(MP3)
3.3/0V
(DA) 3.3V
(MP3)
3.3/0V
3.3V
3.8/0V
0V
2.4/0V
3.3V
3.3V
3.3V
0.3V
3.3V
0V
0/3.3V
(DA) 3.3V
(MP3)
0/3.3V
(DA) 0V
(MP3)
3.3V
0V
0V
3.3V
3.3V
3.3/0V
3.3V
3.3V
3.3V
0V
0V
0V
0V
0V
3.3V
0/3.3V
0/3.3V
3.3/0V
3.3V
0V
0V
4.0V
3.3V
3.3V
5.0V
5.0V
0V
0V
0V
0V
0V
0V
5.0V
0V
3.3V
5.0V
0V
4.0V
2.5V
3.3V
0V
8.0V
0V
1.3V
5.0V
8.0V
8.0V
0V
3.8V
3.8V
CENTER2.7V
CENTER2.7V
1.25V
1.25V
IC14
IC15
IC5
IC13
IC10
IC1
CD PLAYER UNIT (X32-5560-00/0-01) (X32-5590-00/0-01)
CN1
CN1
S3
LOS SW
∗
S4
8EJE SW
S1
Q3
Q5
Q4
D4
D5
Q11
Q12
12EJE SW
S2
Q1
Q6
Q7
:
IC3
TC94A20F-010
D4,5
D2
D3
MAZS0510L
:
:
:
DAN202U
DA204U
Q8,11,12
Q1,4
Q6
Q7
Q3,5
Q9,10
IC10
IC5
IC4
IC15
IC14
IC13
DTC124EUA
DTC114YUA
: 2SK3018
:
:
:
:
UMD12N
2SB0970
UMD9N
:
PCM1793DB
NJM2880U133
NJM4580V-LF
NJM2890R3325
:
:
: BA5824FP
:
:
TAR5S50-F
:
IC1
IC2
91CW12AFG-4FV6
UPD63712GC
:
:
to MAIN UNIT
MECHANISM
MICRO PROCESSOR
CONTROL
GND LINE
SIGNAL LINE
B LINE
SW3.3V
AVR
BU3.3V/2.5V AVR
A5V
AVR
L.P.F
24bit D/A CONVERTER
LOE/LIM SW
LEVEL SHIFT
(3.3V
5.0V)
CONSTANT
CURRENT
LEVEL SHIFT
5.0V)
(3.3V
LEVEL SHIFT
5.0V)
(3.3V
LEVEL SHIFT
5.0V)
(3.3V
10K
25
DA
C
R
E
SET
LOE/LIM SW
SEARCH
1/2W
C86
1
2.2
R142
C89
0.01
OUT
3
NIS
GND
C87
CTL
1
2
4.7
4
5
IN
VIN1
VIN2
GND1
CTL1
CTL2
R136
4
0.1
C96
22
5
0.1
3
1
2
C95
0.1
C5
7
0.01
6
VOUT2
C93
BN2
2.2
C98
8
9
10
GND2
NB1
VOUT1
1
C97
0.01
C94
GND
CNTL
NB
C6
0.01
3
C7
1
2
100K
2.2
R9
VO
U
T
VIN
5
4
LO/EJ
MOTOR
S7.5V
S.GND
D5V
A.GND
D.GND
D.GND
BU5V
D5V
8EJE-SW
LOE/LIM-SW
MUTE R
MUTE L
MRST
MSTOP
R ch
12EJE-SW
LOS-SW
DATA
A8V
L ch
CLK
D.OUT
5.6
R2
5
4
3
2
1
17
11
10
8
7
6
9
16
15
14
12
13
R5
100
23
22
20
19
18
21
W10
24
100K
CP1
39K
R6
R8
22K
CP3
100
CP2
100
C79
C80
R118
10
1000P
R121
C83
3.9K
R113
220P
R114
5.6K
3.9K
1000P
R120
C84
3.9K
R115
220P
R116
5.6K
3.9K
2K
680
BOUT
1000P
C91
2
1
AIN-
A
OUT
R119
10
7
V+
8
V-
4
3
AIN+
C92
R134
R135
4.7
C75
220P
BIN+
5
R117
6
BIN-
33
R145
3.9K
C78
220P
3.9K
R109
R108
3.9K
3.9K
1000P
C82
C81
R111
5.6K
5.6K
1000P
R110
R112
R137
68
R124
68
4.7
2K
680
R122
R123
C74
5.6K
R148
100
R147
100
R146
27
BCLK
150
2
28
FMT1
FMT2
LRCK
1
BCK
TP36
LRCK
150
R141
VCCL
C69
9
C70
0.1
EMPH
TP38
DEMP1
FMT0
24
25
26
DEMP0
CP17
1K
13
12
22
ZEROR
21
ZEROL
23
VCCF
SCKI
MUTE
4
DATA
3
TP34
TP37
65
SD0
TP35
DAC CLK
150
R139
R140
C90
7
VDD
DGND
8
RST
5
6
AGNDF
39
100
2.2
C72
R128
1000P
1000P
VOUTL+
15
0.1
VOUTL-
AGNDL
18
16
17
19
20
VCCC
AGNDC
C71
1
14
11
VOUTR-
AGNDR
12
13
VCCR
10
VCOM
VOUTR+
0.1
C101
C68
100K
CP20
NC
76
73
72
71
75
74
R149
100K
R13
1K
86
R11
100K
85
82
83
84
C11
0.1
MST
O
P
POND3.3
NC
TP28
NC
NC
BOO
T
NC
80
77
79
78
81
82
SCL
86
MUTEL
SD
A
MUTER
84
83
85
NC
NC
NC
NC
NC
92
NC
87
NC
D
VCC
DMUTE
91
88
89
90
D
VSS
NC
NC
MSEL
93
95
94
NC
59
67
66
65
70
69
68
DAC
1K
MUTE
TP33
C10
0.1
60
61
64
63
R133
62
53
55
54
58
57
56
52
51
DVCC
DAC MUTE
D-C PON
NC
NC
NC
NC
NC
NC
NMI
DVSS
NC
NC
NC
NC
NC
NC
NC
NC
7
20STBY
R143
100K
C13
0.1
VREFL
96
SEL0
CHSEL
ASEL
97
98
99
VREFH
SEL1
100
4
6
5
20RST
0ACK
1
2
3
AVSS
AVCC
NC
5
6
0.1
C15
20LP
17
12
7
8
9
NC
20INT
FOGUP
LZM
NC
10
11
20CS
RZM
NC
NC
16
15
13
14
10
100K
R27
12
16
100K
13
CP18
DSPTXD1
20TXD0
20RXD0
20SCLK0
20
18
19
17
DSPSCLK1
AM0
DVCC
DSPRXD1
24
23
21
22
13
TXD1
TP27
18
100
R18
20
11
12
RXD1
TP26
1K
CP5
CP4
DAC RST
TP32
100K
R151
RST
45
FLA
G IN
50
46
49
48
47
NC
NC
NC
NC
NC
41
44
42
43
NC
ALE
NC
40
100K
R12
10
DSPSTB
39
35
9
38
37
7
8
36
DSP
A
0
DSPRST
DSPINT
EMU1
34
30
NC
33
32
RESET
EMU0
NC
31
RESET
100
R10
TP29
10
C12
29
28
X1
AM1
27
26
X2
DV
S
S
16.000MHz
X2
0.1
C14
0.1
84
85
83
82
86
22
24
10
RST
39
65
10
Q3,5
IC10
Q6
BOOT
X32-5590-00
X32-5590-01
UNIT No.
S4
YES
NO
X32-5560-00
X32-5560-01
CAUTION : For continued safety, replace safety critical components only with manufacturer’s recommended parts (refer
to parts list).
Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements
shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the
customer.
X32-5590-00 (1/2)