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AY
KDC-X879
D3
TP7
TE
R34 4.7K
TP8
TP9
IOP1
IOP2
R36
4.7
Q8
APC
C28 10
R35 100K
3.3V
1
LD
0.2V
2
PD
0V
3
PN
3.3V
4
AVDD1
5
C21
DGND1
TP40
6
1000P
D2
RFOK
3.3V
RFOK
0V
7
R29
INTQ
1K
3.3V
8
8
RST
R21
CP7
1K
10K
7
9
9
A0
10
10
STB
3.3/0V
11
11
SCK
12
12
SO
0/3.3V
13
13
SI
14
DVDD1
3.3V
15
DAVDD1
16
ROUT
0V
17
DAGND1
C17
1.65V
18
REGC
0V
19
0.1
DAGND2
20
LOUT
3.3V
21
DAVDD2
22
C66
R130
XVDD
10P
220
3.3V
23
XTAL
0/3.3V
C67
X1
10P
16.898MHz
24
XTAL
0V
25
XGND
1.5V
CP19
100K
CP12
100K
C20
R68
0.1
100K
0V
17
LRCKIB
2.5V
18
VDD1
TP42
3.3/0V
R28
10K
0V
19
0/3.3V
7
STANBY
0V
20
VSS1
21
VSSL
22
VRAL
23
IC3
LO
24
MP3/WMA
VDAL
2.5V
25
DECODER
VDAR
26
RO
27
VRAR
28
VSSR
29
0V
TESTP
30
(DA) 0V
TXO
(MP3)
0/3.3V
31
PO0
32
PO1
TP41
• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between
individual instruments or/and units.
34
X32-5590-00 (2/2)
AZ
Q9,10
SW
Q9
TP39
TP5
ADCIN
Vref
47K
C34
TP6
47K
Q10
10K
56P
FE
C31
R40
R43
47P
10K
39K
C38
270K
6800P
1.65V
IC2
RF AMP &
CD SIGNAL
PROCESSOR
3.3/0V
3.3/0V
3.3/0V
TP15
FLAG
CP16
2.2K
R144
10K
C37
R42
1000P
100
3.3V
64
VSSX
63
XO
3.5/0V
3.3/0V
62
2.6/0V
XI
61
VDDX
60
(DA) 3.3V
CKIO
59
(MP3)
0/3.3V
VDDP
58
VCOI
(DA) 3.3V
1.35V
57
PDO
(MP3)
3.3/0V
56
VSSP
(DA) 3.3V
55
FI2
(MP3)
0/3.3V
0V
54
TSTIN
53
PI5
52
VDD2
0V
51
PI4
50
0V
PI3
49
PI2
CP13
100K
BA
TP4
TP3
TP2
E
F
RF
1.7Vp-p
0.3Vp-p
1.65V
75
C48
RF2-
1.0Vp-p
4P
74
RF-
73
1.0Vp-p
R51
EQ1
3.9K
72
EQ2
C49
71
1.7Vp-p
RFI
3300P
70
ADVDD
3.3V
1.65V
69
ASY
R55
3.0/0.3V
10K
68
EFM
67
ADGND
66
0V
TEST0
65
TEST1
64
TEST2
63
TEST3
62
TEST4
61
TESTEN
60
DGND4
59
3.3/1.65/0V
MD-
58
MD+
57
SD-
56
SD+
55
TD-
54
TD+
53
3.3/0V
FD-
52
FD+
51
DVDD4
3.3V
C39
0.1
4ch BTL DRIVER
IC4
1
BIAS
R52
16K
2
52
FDIN-
3
FDIN
4
SPIN+
R59
0V
4.7K
5
58
SPIN-
R46
1M
6
SPIN
R47
100K
0V
2.5V
7
R49
C41
C42
GND
0V
8
R48
330
0.33
0.1
5.0V
9
330
MUTE
10
CP15
GND
100K
C43
7.5V
11
VCC1
0.1
12
12
SPD-
13
13
SPD+
2.5V
14
F-
FO-
CP14
15
100K
F+
FO+
M
M1
SPINDLE
MOTOR
BB
BC
CN2
1
VCC
2
VC
3
GND
4
LD
R64
DPU1(X92- )
5
VR
240
6
PD
7
C+D
86
8 E
9
A
10
B
87
11
F
12
GND
F+
13
FCS+
C51
T+
14
TRK+
33P
T-
15
TRK-
TP1
C18
F-
16
FCS-
ARF
0.1
C54
0.01
C55
0.01
CP11
4.7K
58
56
54
52
CP10
10K
30
7.5V
VCC
R53
12K
29
TDIN-
54
28
TDIN
R56
12K
27
SLIN+
56
26
SLIN-
25
SLIN
24
R63
LO/EJ
24
23
13K
R50
22
CNT
22
21
100
GND
20
7.5V
VCC2
19
SLD-
19
18
SLD+
18
17
TR-
T-
16
TR+
T+
M
M2
FEED & LOADING
MOTOR
1
OPTICAL
PICKUP
2
3
4
5
6
7
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