3) peripheral block diagram (servo section), Pdr-04 – Pioneer PDR-04 User Manual
Page 75
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PDR-04
(3) Peripheral Block Diagram (Servo Section)
ATIP decoder
DIRC (To servo LSI)
Audio final stage mute'
Tracking error .
gain adjustment
TE envelope detection reset ■
Laser diode ON/OFF -
Mirror detection circuit selection -
Spindle STOP output -
Recording laser.
power output
Focus offset switching output -
Optical axis switching output-
Disc outer output -
Long jump output
EEPROM communication CE output
Strategy control 1 -
Strategy control 2 -
----- Loading open -
----- Loading close -
IC207
PDJ006A
Addresses
8000-8FFF
XCEO
RAM
XWaXRD
AO-7
IC352
Addresses 90001
LH5116NA-10 2 kbytes
Address decoder
ADO-7
IC353
TC74HC573FP
ASTB
Address
data bus
XWR
XRD
3
JCCEJ^
to 9FFF
V I—I
A12-14
A8-10
A15
h<H
ATIP
Mechanism control
microprocessor
IC356
PD4786A
XLT,SENS
“I_
SSO.SSCK
Decoder LSI
SSO
SSCK
XLT
SCOR
SENS
XFUSE
MSCK,MSI
MREQ
MSO,XSUBQE
MACK
XENCE
MSI
CD encoder LSI
(AUDIO DIGITAL BOARD assy)
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