Fostex CR200 Service Manual page 48

CR200
(3) Surrounding Circuit Block Diagram (Servo System)
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
One jump output
EEPROM communication LE output
Strategy control 1
Strategy control 2
Loading open
Loading close
Spindle
circuit
Loading
mechanism
48
ATIP decoder
IC207
XCE0
PDJ006A
XWR, XRD
Addresses
8000-8FFF
A0-7
AD0-7
A12-14
A15
ATIP
FG
SPSP
ECLV
CLV
RECE
ESYN
OPEN
EXSC
CLMP
Serial bus SW
IC357
TC74HC367AF
XFUSE
MREQ
MACK
IC301
LC89585
CD encoder LSI
(AUDIO DIGITAL BOARD assy)
RAM
IC352
Addresses 9000 to 9FFF
LH5116NA-10 2 kbytes
Address decoder
Address
data bus
IC353
TC74HC573FP
XWR
ASTB XRD
Mechanism control
microprocessor
IC356
PD4786A
XFUSE MSCK, MSI
MREQ MSO, XSUBQE
MACK XENCE
MSI
Serial bus SW
IC358
TC74HC367AF
MSO
FSO, FSI
MSCK
FSCK, LCE
DO
DI
XFUSE
CE
XCE
A8-10
Servo LSI
IC201
CXA1372Q
RAME
XLT, SENS
SSO, SSCK
SSO
SSCK
IC206
XLT
SCOR CXD2500BQ
SENS
XRESET
SQSO
SQCK
Mode control
microprocessor
IC351
PD4760A9