Sharp CD-M4000W Service Manual download pdf (Page 45)

CD-M4000W/CP-M4000

FUNCTION

TABLE

ICl

VHiLC78645E-1:

Servo (LC78645E)

(l/2)

For slice level

FIN2 Input

B+D

signal input terminal.

TIN1

Input

signal input terminal.

TIN2

Input

signal input terminal.

VREF

output

RFVDD/2

VREF voltage output terminal.

REFI

Input

Reference supply setting terminal.

13’

output

ZHI

FE signal monitor terminal.

TEC

output

15%

output

ZHI

RFMON

output

ZHI

JR-K

ADAVDD Input

ADAVSS

- -

LPF capacitor connection terminal for TE signal.

TE signal monitor terminal.

RF internal signal monitor terminal.

Capacitor connection terminal for jitter detection.

Power terminal for servo A/D, D/A.

Earth terminal for serve A/D. D/A. To be connected to 0

TDO

Outout

ADAVDD/2

Outout terminal for trackina control. D/A output.

FDO

Output

ADAVDD/2

Output terminal for focus control. D/A output.

SPDO

Output

ADAVDD/2

Output terminal for spindle control. D/A output.

SLDO

Output

ADAVDD/2

Output terminal for sled control. D/A output.

24*

GPDAC

output

ADAVDD/2

Servo D/A general-purpose output terminal.

27*

CONT4

Input/Output Input Mode General-purpose I/O terminal 4.

Controlled by commands from the

CONT.5

Input/Output Input Mode General-purpose I/O terminal 5.

microcomputer. When not used, set

them as input terminals and connect

SBCWCONTG

Input/Output Input Mode General-purpose I/O terminal 6 or

to 0

or set them as output

Subcode reading clock input terminal.

terminals and leave open.

SBCK’FG

Subcode reading clock input terminal/FG signal input terminal/external

not used, connect to

O’V.

emphases

setting termrnal. Terminal functions are set by commands. When

29*

DEFECT

output

Defect terminal.

30*

Iv’*’

Output

rough servo,

“L”:

phase servo.

Auto switching monitor output terminal for rough servo phase control.

“H”:

31*

FSEQ

output

32’

MONll

Outout

Sync signal detection output terminal.

The status changes to

“H”

when the sync signal detected in EFM and the

sync signal of internal generation are identified.

Internal sianal monitor terminal

33*

MONl2

34*

MONl3

35’

MON14

36*

MONl5

vss

VDD

39*

DOUT

TEST

output

Internal signal monitor terminal 2.

output

Internal signal monitor terminal 3.

output

Internal signal monitor terminal 4.

output

Internal signal monitor terminal

Digital system earth terminal. To be connected to 0 V.

Input

Digital system power terminal.

output

Digital OUT output terminal. (EIAJ format)

lnout

lnout terminal for test. To be connected to 0 V.

LVDD

Input

LCHO

output

LVSS

LVDDM

Left channel

Power supply for Left channel.

DIA

converter

Left channel output.

GND for Left channel. Must be connected to 0

In this unit, the terminal with asterisk mark

(*)

is (open) terminal which is not connected to the outside.

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Sharp CD-M4000W Service Manual Page 45

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