Technics SH-DV250

IC801
C2HBZC000010
DIGITAL SIGNAL
PROCESSOR
SCHEMATIC DIAGRAM-5
C805
1
C809
0.01
MAIN CIRCUIT
B
C818
680P
C839
50V1
R824
82K
R825
82K
C838
50V1
C835
6.3V47
C816
0.1
C834
6.3V47
C833 6.3V47
C819
680P
L804
C825
50V4.7
R806 270
C808
0.01
R820
1K
R819
1K
R818
1K
C832
50V4.7
C831
50V4.7
R827
0
R817
1K
C830
50V4.7
R816
1K
C828
50V4.7
C829
50V4.7
R815
1K
C827
50V4.7
C820
50V4.7
R804
270
R805 270
C821
50V4.7
C823
6.3V100
C822 6.3V47
C824 6.3V47
C806
2200P
C807
2200P
R836
1.5K
R835
1.5K
C804
0.1
R801
220
R802
1M
X801
(36.8MHz)
C801
12P
C802
5P
C803
1000P
AB
R830
4.7K
C837
16V10
R834
22K
C826
50V4.7
C815
0.022
R809
330
R810 330
R812
330
R811
4.7K
C814 1
R808 330
R814
100K
L801
L802
C813
0.01
C812 0.1
C811
0.022
R807
270
C810
0.01
R829
2.2K
C836
16V10
R833
22K
R823
330
R821
330
D
C
B
E
AB E D F G
L
S
K
G
C
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
414243444546474849505152535455565758596061626364
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
GND AR
VDX
XI
XO
GND X NC GND A1 AI1 AO1 NC AOT1 NC VDA12 AOT2 AO2 NC AI2 GNDA2 NC VRO1 VRI NC VRO2 GND A3
AI3
AO3
AOT3
VDA34
NC
AOT4
NC
AO4
AI4
NC
GND A4
NC
V
DDR
GND R
SYNC
ELRI/ O
NC
DIN2
NC
DIN1
DIN0
NC
DOUT
V
DD
/ RST
NC
/CS
IFCK
IFDI
IFDO
GND
/ ERR
I2CS
TST0
NC
LIN4
RIN4
RIN3
RIN2
RIN1
NC
GND AL
OUTL
VRAL
VDAL
VDAR
VRAR
OUTR
80
NC
TST1
NC NC
LIN3
LIN2
LIN1
EBCI/ O
A
L807
R803
100
R898
0
L808
JI
R813
4.7K
R129
0
R130
0
KL
B
A
:POSITIVE VOLTAGE LINE :CD PLAYBACK SIGNAL LINE
5.1V
5.1V
5.1V
5.1V
2.5V
0V
0V
5.1V
2.5V
2.5V
2.6V
5.1V
2.6V
2.5V
2.5V
2.5V 2.5V 0.6V 5.1V 5.1V 5V
5V 0V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
5.1V
5.1V
2.5V
2.5V
4.6V
1.9V
1.9V 2.5V 2.5V
2.6V
5.1V 5.1V 2.6V 2.5V 2.5V
2.6V
2.5V
2.4V
0.7V
P
- P
F=36.8MHz
2.3V
P
- P
F=36.8MHz