Sharp MD X5 Service Manual download pdf (Page 36)

MD-X5H/CP-X5H

– 36 –

Figure 36 BLOCK DIAGRAM (1/4)

D6.5/4.75 ~ 5.25V

MECHAN1SM

6.5/4.75~5.25V

D3.2V

AVCC

DVDD

DVDD

D3.2V

DIGITAL

3.2V

D3.2V

D4.3V

A3.2V

D4.3V

D3.2V

D4.3V

D3.2V

BACKUP

VOLTAGE

REGULATOR 

POWER

VOLTAGE

REGULATOR 

POWER

E

2

PROM

MOTOR 

DRIVER

IC1601

AUDIO INPUT

AUDIO OUTPUT

BACKUP

MD MICRO COMPUTER

MD

CONTROL

MICRO

COMPUTER

DIGIN(EIAJ)

PDOWN

DIGOUT(EIAJ)

GND

GND

1

2

4

3

PLL

D/A

CONVERTOR

A/D

CONVERTOR

R.IN

R.OUT

AA.GND

AD.GND

AA.GND

L.IN

L.OUT

LOAD IN

RESET

MD-ST

DSCK

SERCH

1

2

24

23

22

21

20

19

18

17

16

15

14

4

5

6

7

8

9

13

10

11

12

3

D.GND

D.GND

D.GND

D.GND

DSTB

MDDATA

KDATA

4M

DRAM

ENDEC

ATRAC

IC1201

OSCILLATOR

XL1201

(33.8688MHz)

SW1956

SW1955

SW1954

SW1953

SW1952

Q1251~Q1254

MD

RECORDING HEAD

M901

SPINDLE MOTOR

M902

SLED MOTOR

M903

LOADING SWITCH

RECSWITCH

PLAYSWITCH

LEAD INSWITCH

A–BSIGNALE–FSIGNAL

RF1 ~ RF4SIGNAL

HEAD DRIVE

SIGNAL

IC1251

RF

SERVO/SIGNAL

CONTROL

IC1101

LOADING MOTOR

HEAD UP/DOWN

M

M

DIRECT SWITCH

WRITE PRO

M

LASER DIODE

MONITOR DIODE

RF4

RF3

RF2

RF1

LIGHT

RECEIVING

SECTION

ERROR

SIGNAL

LIGHT

RECEIVING

SECTION

RF

F

A

B

E

FOCUS

TRACKING

PICK UP UNIT

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 103 104

Comments to this Manuals

No comments