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Extracted text from pioneer cx 3166 service manual (Ocr-read)
Page 1
CX-3166
2
1234
1234
C
D
F
A
B
E
CONTENTS
1. CIRCUIT DESCRIPTIONS ............................................................................................................................... 3
2. MECHANISM DESCRIPTIONS ...................................................................................................................... 20
3. DISASSEMBLY ............................................................................................................................................... 22
Page 2
CX-3166
3
5678
567
8
C
D
F
A
B
E
1. CIRCUIT DESCRIPTIONS
A-F Signal
1-bit Audio
DAC A/D
Converter
Digital
Servo
CPU Interface
CPU
CPU for System ControlRAM Sub-Q,
CD-TEXT
Post
filter
(SCF) RF-AmpPE5497B
Analog Output
PWM
OutputData
Processor
The recent mainstay of the CD LSI is the LSI integrating the core DSP with DAC or RF amplifier, which are generally
employed as peripheral circuits, however, PE5497B, used in this product, is an LSI integrating the afore-mentioned LSI
unit and microcomputer unit in one chip.
Fig.1.0.1 Block diagram of PE5497B
