Kenwood DPX-3070 Service Manual page 26

AO
DPX-3070/3070B
QQ
3 7 63 1515 0
C12
0.1
0V
C18
C15 0.1
1000P
3.3V
RFOK
PWMSW
5.0V
AGND
TEC
TE2
TEO
TE-
ADCIN
FEO
FE-
REFC
REFOUT
AVDD
1.65V
VREFIN
E
F
D
B
0.3Vp-p
C
A
1.0V AGND
C3T
0V
1Vp-p
ATEST
RFO
1.7Vp-p
AGCI
AGCO
TE
L 13942296513
1.65V
1.65V
R43 ARF
33K
PLAY : H
SERCH : L
Q4
10K
5.0V
SW
SW
5V
Q2
33
NC
32
NC
31
DRV MUTE
30 5.0V
R10
LOE&LIM SW
5.6
29
VDD0
1/2W
28 0V
VSS0
X1
4.19MHz
2.5MHz
27
X1
4.5MHz
26
X2
25
5.0V
M RSET
24
5V
XT1
23
0V 0V
XT2
R9
100K
C8
0.1
VPP
www
26
X32-5490-01 (2/2)
AP
R20 4.7K
APC
C13
Q3
10
R23
4.7
3.3V
IOP1
R24
100
IOP2
100K
99 0V
98
C14
97
D2
TE
1500P
96
ADCIN
95
94
FE LD
93
92
C25
91
0.1
90
89 3.3V
C26
88
0.1 R27
87 0V
3K
86 2.0V
85
R45
PD
84
240
C+D
83
A
82
R28
81 0V
B
3K
C29
80
F
6800P
ATEST
79
78 1.65V
C30
77
E
0.1
76
RF
13
14
15
16
VREF
47K
C22
6800P
3.3V AVR
IC2
4.2V 3.3V
1.2V
5.0V
x ao
. i
DXM-6200W
AQ
DIGITAL LINE
AUDIO LINE
GND LINE
B LINE
IC1 : 789166YGB-A513
IC2 : NJM2880U133
IC3 : UPD63712GC
IC4 : BA5824FP-F
Q2 : DTA114YUA
Q3 : 2SB0970
Q4 : DTC114YUA
D2 : DAN202UF
CN1
1 VCC
2 VC
3 GND
4 LD
DPU1
5 VR
(X93- )
6 PD
7 C+D
8 E OPTICAL
PICKUP
9 A
10 B
11 F
12 GND Q Q
3 6 7
13 FCS+
14 TRK+
15 TRK-
16 FCS-
CAUTION : For continued safety, replace safety critical
components only with manufacturer's recommended
parts (refer to parts list).
Indicates safety critical components. To reduce the
risk of electric shock, leakage-current or resistance
u163
measurements shall be carried out (exposed parts are
y
acceptably insulated from the supply circuit) before the
appliance is returned to the customer.
• DC voltages are as measured with a high impedance
voltmeter. Values may vary slightly due to variations
between individual instruments or/and units.
AR
2 9 9 4
8
1 3 1 5 0 5 8 2 9
m
co
.
AS
2 8
9 9
1
2
3
9 4 2 8 9 9
4
5
6
7