Onkyo DX-C390 Service Manual

DX-C390
IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
80 pin QFP
Q103 : CXD3068Q DIGITAL SIGNAL PROCESSOR-1
BLOCK DIAGRAM
71 72 69 59 60 58
11 13 68 10
17 14 65 66 67 3
27
16
50
53
49
48
62
57
12
54
55
52
25
24
23
7
4
5
6
15
79
80
78
76
77
43
42
41
40
39
38
46
44
30
29
32
31
34
33
22
21
20
9
26
19
8
75
74
73
37
36
2
64
63
OP Amp.
Analog SW
A/D
Converter
Servo DSP
Focus servo
Tracking servo
Sled servo
PWM Generator
Focus PWM
Generator
Tracking PWM
Generator
Sled PWM
Generator
MIRR
DFCT
FOK
Servo
Interface
Servo
Auto
Sequencer
CPU
Interface
Digital
CLV
Digital
PLL
Asymmetry
Corrector
Clock
Generator
EFM
Demodulator
Error
Corrector
32K
RAM
Sub code
Processor
D/A
Interface
Digital
OUT
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Onkyo DX-C390 Specifications

General

CD-RW playback	Yes
Device type	Portable CD player
Programmable tracks	40