Kenwood KDC-W4044UA Service Manual page 35

AJ
3
D1.5V
0V
1.5V
0V
41
DVSS3R
1.6V
2
RO
3
DVDD3R
3.3V
4
DVDD3L
5
LO
1.6V
6
DVSS3L 0V
7
XVSS3
8
SERVO DSP WITH
XI
BUILT-IN AUDIO DAC
9
XO
0
XVDD3
51
VDD1-2
2
VSS2
3
PIO0
4
PIO1
5
PIO2
6 0V
PIO3
7
PIO4
8
PIO5
9 3.2V
PIO6
0 0V
PIO7
C61
100K
0.1
2
AK
2.0V
1.9V
IC4
2.0V
2.2V
2.1V
1.7V
1.4V
1.6V
0V
C26 C29
1 0.1
R13 C27 C25
0.1 0.1
73
D3.3V
AL
KDC-W4044UA/W4044UAY/W4044UG/W4044UGY
KDC-W413UA/W413UAY/W4544U/W4644UY
3
F-
D3.3V T-
T+
F+
TP111
RFRP
TP39
FE
R5
2.2M
R6 1K
20
LDO
19 0.2V
MDI
18 0V
AVSS3
17 1.7V
VRO
16
TNI F
15
TPI E
14
FP11 B
13
FPI2 CD
R4
12
100K
FNI1 A
11
FNI2
C1
10 0V
10
RVSS3
C3
9 TP52 RF
RFO
68P
C10 0.1
8
AGGI
C4
C11 1
0.015
7 1.7V
DCOFC
6
RFEQO
C12 0.1
5
RFRPI
C13
3300P
4
RFI Q1
C14
TP113 RFI 0.01
APC
3
SLCO
(AUTO POWER
2 3.3V
CONTROL)
RVDD3
C6
1
1
VCOI
1.3V
C22
0.01
TP53
Vref
TP87
A3.3V
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 car-
ried 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 between in di vid u al in-
stru ments or/and units.
AM
CN1
TP44 FCS-
1 F-
TP47 TRK-
2 T-
TP46 TRK+
3 T+
TP45 FCS+
4 F+
5 VCC
TP84
6 VC
GND
7 GND
DPU1
TP49
(X92- )
LD
8 LD
9 VR
TP43 PD
10 PD
OPTICAL
TP42 C+D
PICKUP
CD 11 C+D
TP72 F
F 12 F
TP41 A
A 13 A
TP40 B
B 14 B
TP71 E
E 15 E
TP51
IOP+
IOP-
TP50
Q1
TP88
AGND
X32-6250-00 (2/2)
AN
1
2
3
4
5
6
7
35