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AY
KDC-HD942U
3
1.5V
0V
IC2
SERVO DSP WITH
BUILT-IN AUDIO DAC
0V
C78
1
R123
C79
100K
0.1
TP85
D1.5V
24
D1.5V
A3.3V
10
B3.3V-2
R66
3.3K
SCL
R65
TP100
3.3K
CP32
100
C114
TP102
TP103
11
VSS
0.01
12
I2CSCL
13
I2CSDA
14
MODE0
TP99
15
NC15
SDA
IC8
E2PROM
38
X32-6260-00 (3/3)
AZ
A3.3V
TP59
RFRP
FE
TP60
LDO
MDI
AVSS3
VRO
2.0V
TNI
TPI
FP11
1.9V
FPI2
FNI1
FNI2
2.0V
RVSS3
RFO
2.2V
AGGI
DCOFC
RFEQO
2.1V
RFRPI
RFI
1.7V
SLCO
RVDD3
3.3V
1.6V
VCOI
C80
0.1
R178
C81
C86
2.2
0.1
0.01
IPOD RST
IPOD RST
TP101
B3.3V-2
i-Pod
AUTHENTICATION
5
VCC
4
NRESET
3
IC4
NC3
2
MODE1
1
NC1
TP105
MODE
BA
3
TP31 FCS-
F-
TP32 TRK-
T-
TP33 TRK+
T+
TP34 FCS+
F+
TP37
GND
TP38
LD
TP40 PD
R104
2.2M
TP41 C+D
R103
CD
1K
20
2.3V
TP42 F
19
0.2V
F
TP43 A
18
0V
A
17
1.7V
TP44 B
B
16
F
TP45 E
15
E
E
14
B
13
CD
R105
12
100K
A
11
C62
10
0V
10
TP53
IOP+
C59
9
TP55 RF
68P
IOP-
C58 0.1
8
TP54
C85
C57
1
Q7
0.015
7
1.7V
6
C56 0.1
5
C55
TP52
3300P
4
AGND
Q7
C54
TP57 RFI 0.01
APC
3
(AUTO POWER
2
3.3V
CONTROL)
C53
1
1
1.3V
TP36
Vref
A3.3V
TP87
A3.3V
BB
CN1
1
F-
2
T-
2SB1565
3
T+
4
F+
5
VCC
6
VC
7
GND
DPU1
(X92- )
8
LD
9
VR
DTC114YUA
DTC143TUA
10
PD
OPTICAL
2SA1576A
PICKUP
11
C+D
12
F
13
A
14
B
2SB1188
15
E
2SC4081
DTA114EUA
DTA124EUA
DTC114EKA
DTC124EUA
DTC144EUA
DAP202U
DA204U
M5237ML-CF0J
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 customer.
• DC voltages are as measured with
a high impedance volt me ter. Val ues
may vary slight ly due to vari a tions be-
tween in di vid u al in stru ments or/and
units.
BC
1
2
3
4
5
6
7
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