Kenwood DPX304 Service Manual page 40

AE
DPX304/DPX308U/DPX404U
DPX-MP3120/U5120/U5120S
DPX304, DPX-MP3120
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
0V
PIO1
5
PIO2
6
PIO3
7
PIO4
3.2V
8
0V
PIO5
9
PIO6
0
PIO7
C61
0.1
73
4
: BD8222EFV
: TC94A92FG-001
: XC6415S001P1
: 2SA2188-T1(E)
2 : UM6K1N
: DTC114YUA
: RJU003N03
4 : DA204U
: DAP202U
40
X32-6240-00 (2/2)
AF
2.0V
1.9V
IC4
2.0V
2.2V
2.1V
1.7V
1.4V
1.6V
0V
C27 C29
0.1 1
R13 C26 C25
33K 0.1 0.1
D3.3V
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 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 between in di vid u al in stru-
ments or/and units.
AG
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
AH
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
SIGNAL LINE
GND LINE
B LINE
AI
1
2
3
4
5
6
7