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CONTENTS
1. CIRCUIT DESCRIPTIONS ............................................................................................................................... 3
2. MECHANISM DESCRIPTIONS ...................................................................................................................... 20
3. DISASSEMBLY .............................................................................................................................................. 22
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1. CIRCUIT DESCRIPTIONS
V850ES core
BMC
EFM
decoder
1bit DAC Internal RAM
(1Mbit)PE5547A
Port controlAudio
DSP
CIRC
PORT I/F
SRAM
Analog output
RF amplifier
CD-ROM
decoder
Digital servoA,B,E,F Signal
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, PE5547A, 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 CD LSI PE5547A
