41
KDC-BT6544U/BT6544UY
/BT7043U/BT742U
X32-6260-00 (3/3)
AX
AW
AV
AU
AT
1
2
3
4
5
6
7
1.7V
3.3V
1.3V
2.1V
1.7V
0V
2.2V
2.0V
1.9V
2.0V
0V
1.7V
0.2V
3.3V
0V
0V
1.5V
0V
1.5V
1.5V
0.9V
1.7V
1.6V
3.3V
3.2V
0V
0V
2.3V
IC8
IC4
DPU1
OPTICAL
PICKUP
(X92- )
IC2
D3
D1
Q7
CN1
APC
SERVO DSP WITH
BUILT-IN AUDIO DAC
(AUTO POWER
CONTROL)
E2PROM
i-Pod
AUTHENTICATION
TP76
BUCK
TP74
TP75
SI
TP102
TP103
CP32
100
TP77
CCE
TP78
CD RST
TP85
D1.5V
TP99
SDA
TP100
SCL
TP101
IPOD RST
TP105
MODE
8
7
6
5
VCC
WP
SCL
SDA
1
2
3
4
A0
A1
A2
GND
10
9
8
7
6
5
4
3
2
1
16
17
18
19
20
11
12
13
14
15
NC10
NC9
NC8
NC7
NC6
VCC
NRESET
NC3
MODE1
NC1
NC16
NC17
NC18
NC19
NC20
VSS
I2CSCL
I2CSDA
MODE0
NC15
3.3K
R66
0.01
C114
22K
R152
GND
12
VCC
VC
1
2
3
LD
VR
PD
4
5
6
A
9
C+D
F
7
8
B
E
10
11
F+
T+
13
14
T-
F-
15
LD
GND
B
CD
E
A
F
TP54
IOP+
F-
F+
T+
T-
4
BUS2
64
80
72
VDD1-1
TEST
RST
MS
CCE
BUCK
BUS3
66
65
68
67
70
69
71
PVREF
LPFO
LPFN
TMAX
PDO
VDDM1
SRAMSTB
VSS1
76
74
73
75
78
77
79
VCOF
RVDD3
VCOI
1
SLCO
RFI
2
3
CP22 10K
21
29
FMOS
DMO
VDD1-3
PIO8
PIO9
PIO10
PIO11
35
36
33
34
31
32
30
RFZI
RFRP
A
VDD3
FOO
TRO
VSS3
FMO
25
27
28
26
23
TEI
24
22
TNI
10
7
RFRPI
RFEQO
DCOFC
5
6
AGGI
RFO
RVSS3
8
9
11
12
13
14
15
FPI2
FNI2
FNI1
FP11
TPI
FSMONIT
16
17
18
19
20
VRO
AVSS3
MDI
LDO
TP58 TE
TP55 RF
4700P
C64
0.033
C63
1
C78
0.1
C80
0.1
C79
0.01
C86
0.1
C81
100K
R123
1
C53
R128 330K
R127 15K
0.015
C84
C83 47P
3300P
C55
C56 0.1
TP57 RFI
TP56
ARF
0.01
C54
1
C85
68P
C59
C58 0.1
0.015
C57
FE
TP60
RFRP
TP59
91K
R110
33K
R108
0.015
C66
R109 6.2K
0.01
C67
TP62
TP61
TRO
FOO
TP38
TP37
TP31 FCS-
TP32 TRK-
TP33 TRK+
TP34 FCS+
56
R107
TP45 E
TP44 B
TP43 A
TP42 F
TP41 C+D
TP40 PD
TP53
IOP-
4.7K
R106
4.7
R102
100K
R105
10
C62
0.1
C61
AGND
TP52
31
29
27
26
0.1
C68
0.1
C65
A
CD
B
220
R101
0.1
C51
2200P
C52
TP36
Vref
TP87
A3.3V
2.2M
R104
23
89
87
88
F
E
A3.3V
A3.3V
A3.3V
Q7
2.2
R174
FMO TP63
DMO TP64
2.2
R173
1K
2.2
R178
10K
R121
24
TP79
SRAMSTB
1K
R103
0.1
C113
33K
R151
3.3K
R65
0.015
C11
IPOD RST
91
90
A3.3V
D1.5V
D1.5V
BU1.5V
A3.3V
A3.3V
B3.3V-2
B3.3V-2
3
3
10
CAUTION :
For continued safety,
re place safe ty critical com po nents
only with manufacturer’s rec om-
mend ed parts (refer to parts list).
Indicates safety critical com po-
nents. To reduce the risk of electric
shock, leakage-cur rent or re sis tance
mea sure ments shall be carried out
(ex posed parts are ac cept ably in su-
lat ed from the supply cir cuit) be fore
the ap pli ance is returned to the cus-
tomer.
• DC voltages are as measured
with a high impedance volt me ter.
Val ues may vary slight ly due to
vari a tions between in di vid u al in-
stru ments or/and units.