Sony MZ-300 specifications IC Block Diagrams

Page 26

MZ-E300

• IC BLOCK DIAGRAMS

 

IC301 TA2131FL-EL

 

 

 

 

 

 

STB

 

MUTE

BST SW

BEEP IN

GND

VREF IN

 

 

 

18

 

17

16

15

14

13

 

 

 

PW

 

MT

BST

BEEP

 

V REF

12

VREF

 

SW

 

SW

SW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

LPF1

TC MT

19

 

 

 

 

 

 

 

 

VCC

20

 

 

ADD

 

 

 

 

 

INR

 

 

 

 

 

 

 

 

21

 

 

 

 

 

 

10

BST NF1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BST1

 

 

INL

22

 

 

 

 

 

 

9

LPF2

 

 

 

 

 

 

 

 

BEEP

23

PW

 

PW

 

BST2

 

8

BST NF2

OUTB

A

 

B

 

 

 

BEEP

 

 

 

 

 

 

 

7

BST OUT

24

 

 

 

 

 

 

 

 

OUTA

 

 

 

 

 

BST

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AGC

 

 

 

1

2

3

4

 

5

6

 

 

 

+B

OUTL

PWR GND

OUTR

 

DET

AGC IN

 

 

 

IC501 SN761057DBT

 

 

 

 

 

 

 

 

 

 

44

ADIP-IN

 

 

 

A+B+C+D

 

TWpp

43

S-MON

 

 

 

 

 

 

 

 

 

I+J

 

PK/BTM

 

 

TE

1

 

NPP

 

Aw

 

 

 

TON

 

CSLO

 

 

REXT

2

 

CSL

 

VREF075

 

 

Wpp-LPF

3

 

Aw+Dw

S-MONITOR

A-C

 

 

 

 

 

TON Peak

D-C

 

 

VREF

4

 

 

 

 

 

TON Botm

 

Malfa

 

 

C

5

 

 

 

 

 

ADIP

 

Mij

 

 

D

6

 

TE

 

AwBPF

 

 

 

 

TE

TEMP

 

Dw

 

 

 

 

 

 

DwBPF

 

 

 

 

 

 

 

 

 

D-C

7

 

 

 

 

42

FE

 

 

Tpp/Wpp

 

 

 

41

ABCD

 

 

 

 

 

 

40

AVCC

 

 

 

 

 

 

39

OFC-1

 

 

 

 

 

 

38

OFC-2

 

 

 

 

 

 

37

PS

 

 

 

 

 

RF

36

LP

Iy

8

 

 

 

 

35

EQ

Ix

9

 

 

 

 

34

AGND

FE

 

 

 

33

RF

Jx

10

 

 

 

 

 

 

 

32

CCSL2

Jy

11

 

 

 

 

 

ABCD

 

 

31

VC

A

12

 

 

 

 

30

VREF075

A-C

13

 

 

 

PEAK/BOTM

29

PEAK

B

14

 

 

 

28

BOTM

 

 

 

 

 

 

 

 

 

 

TON-C

15

 

 

 

 

 

 

CIG

16

 

 

 

 

27

DGND

CDN

17

 

 

 

 

 

 

T-ON

 

26

OFTRK

PD-NI

18

 

 

 

 

 

 

 

 

 

PD-I

19

APC

 

 

 

 

 

PD-O

20

 

 

 

 

 

 

 

 

 

 

SERIAL

 

25

XRST

 

 

 

 

 

24

SCK

 

 

 

 

I/F

 

 

 

 

 

 

23

SBUS

 

 

ADIP

 

 

 

ADFG 21

 

 

 

 

 

 

 

 

 

 

 

DVDD

22

 

 

 

 

 

 

26

Image 26
Contents Specifications 873-064-13Section Servicing Note General LID ASSY, UPPER, Holder Assy DisassemblySection Mechanism DeckMain Board Optical PICK-UP AssyHow to set the Test Mode Section Test ModeSetting the Test Mode How to release the Test Mode Manual ModeOperations when the Test Mode is set How to set the Manual modeTest Mode Overall Adjustment ModeNV Reset Display segment check mode Electrical offset adjustment methodOverall adjustment mode structure Overall CD and MO adjustment method Ver 1.1MZ-E300 Overall CD and MO adjustment items Overall offset adjustmentIC601 LC89642-8B-E Section DiagramsExplanation of IC Terminals Pin No Pin name DescriptionLrco AvssXIN FseqPCK VcvssSetkey XresetRmckey OpenclsswSLED1FCON ClvwconSLED1RCON SLED2RCONBlock Diagrams Main BoardPrinted Wiring Boards Main /2 Refer to page 24 for NotesSemiconductor Location2121 Schematic Diagram Main /3 IC B/D2323 Digital MZ-E300 IC Block Diagrams IC551 SC111257FCR2 IC901 XPC18A32FCR2 Section Exploded Views Main SectionMechanism Deck Section MT-MZE300-176 M902Section Electrical Parts List MainElect Chip Short Revision History Date Description of Revision