DPX-MP4070/MP4070B
I CONTROL UNIT
Ref. No.Application / FunctionOperation / Condition
IC901LCD DRIVERLCD driver
IC921REMOTEReceives remote signal
Q903RED LED SW
Q904BLUE LED SW
Q905GREEN LED SW
Q906SECURITY INDICATOR SW
Q921REMOTE SW
I EQUALIZER UNIT
Ref. No.Application / FunctionOperation / Condition
IC250DOLBY/EQUALIZERCassette audio equalizer
I CD PLAYER UNIT (X32-5500-01)
Ref. No.Application / FunctionOperation / Condition
Focusing, tracking, sled and spindle servo processing. Automatic
adjustment (Focusing, tracking, gain, offset and balance) operations.
IC1MECHANISM CONTROL MICRO PROCESSOR
Digital signal processing (DSP, PLL, sub-codes, CIRC error correction,
audio data interpolation) operations, and microcomputer function.
Generation of RF signal based on the signals from the APC circuit and
pickup, and generation of servo error (Focusing error and tracking error)
IC2RF AMP/SERVO CD SIGNAL PROCESSORsignals.
Detection of dropout, anti-shock, track crossing and off-track conditions,
included gain control function during CD-RW.
IC3MP3/WMA DECODER
Focusing coil, tracking coil, spindle motor and sled motor driver, disc
IC44ch BTL DRIVER
loading and eject operation.
IC5SW 3.3V AVR
IC6BU 3.3V AVR3.3V power supply for back-up.
IC7BU 2.5V AVR2.5V power supply for back-up.
IC8SELECTOR (SERIAL DATA)Serial audio data switch.
IC9DAC 3.3V AVR3.3V power supply for IC2.
Q1LEVEL SHIFT3.3V to 5.0V.
Q3-7LEVEL SHIFT3.3V to 5.0V.
Q8AUTOMATIC POWER CONTROLLD driver.
Q9,10SWITCHSwitch for anticipation sub-beam delay.
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ACEC
