Sony MZ-E800 Vlcd, SI0, SO0, SCK0, Vss, Vdd, Beep, XHP Stby, Clv U, Clv W, Drv, Xlat, Xcs Dsp

Page 34

IC801 CXR701080-016GA (SYSTEM CONTROLLER)

Pin No.

Pin Name

I/O

Description

 

 

 

 

1

VLCD

O

Not used (open)

 

 

 

 

2

OFTRK

I

Off track signal input from the CXD2661GA (IC601)

 

 

 

 

3, 4

NC

I

Not used (open)

 

 

 

 

5

NC

O

Not used (open)

6 to 9

COM0 to COM3

O

Common drive signal output to the liquid display module (LCD901)

10

NC

O

Not used (open)

 

 

 

 

11

SI0

I

Serial data input from the CXD2661GA (IC601)

 

 

 

 

12

SO0

O

Serial data output to the CXD2661GA (IC601)

 

 

 

 

13

SCK0

O

Serial clock signal output to the CXD2661GA (IC601) and EEPROM (IC802)

 

 

 

 

14

NC

I

Not used (open)

15

VSS

Ground terminal

16

VDD

Power supply terminal (+2.4V)

 

 

 

 

17

NC

O

Not used (open)

 

 

 

 

18

BEEP

O

Beep sound control signal output to the headphone amp (IC301)

 

 

 

 

19

RMC DTCK

I/O

TSB serial communication data input/output terminal for remote commander with headphone

 

 

 

 

20, 21

NC

O

Not used (open)

22

MUTE

O

Analog muting on/off control signal output to the headphone amp (IC301) “H”: muting on

23

XHP STBY

O

Standby on/off control signal output to the headphone amp (IC301)

“L”: standby mode, “H”: amp on

 

 

 

 

 

 

 

24

CLV U

O

Spindle servo (U) drive signal input from the XC111256FTA (IC551)

 

 

 

 

25

CLV V

O

Spindle servo (V) drive signal input from the XC111256FTA (IC551)

 

 

 

 

26

CLV W

O

Spindle servo (W) drive signal input from the XC111256FTA (IC551)

 

 

 

 

27

XRST MTR

O

Reset signal output to the XC111256FTA (IC551) “L”: reset

DRV

 

 

 

 

 

 

 

28

XLAT

O

Serial data latch pulse signal output to the CXD2661GA (IC601)

29

XCS DSP

O

Chip select signal output to the CXD2661GA (IC601)

 

 

 

 

30 to 32

NC

O

Not used (open)

 

 

 

 

33

SENSE

I

Internal status (SENSE) input from the CXD2661GA (IC601)

 

 

 

 

34

TSB SLVE

I

Not used (fixed at “H”)

 

 

 

 

35

SLD MON 1

I

Sled servo timing signal input from the CXD2661GA (IC601)

36

PD S0

O

PD IC mode switching signal output to the optical pick-up block

37

NC

O

Not used (open)

 

 

 

 

38

PD S1

O

PD IC mode switching signal output to the optical pick-up block

 

 

 

 

39

RMC WK CTL

O

Starting signal output to the remote commander with headphone

 

 

 

 

40

XSLEEP

O

System sleep control signal output terminal “H”: sleep on

 

 

 

 

41

TSB EDGE

I

Not used (fixed at “L”)

42

NC

O

Not used (open)

43

XRST

I

System reset signal input from the reset signal generator (IC905) “L”: reset

For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”

 

 

 

 

 

 

 

44

VSS

Ground terminal

 

 

 

 

45

XTAL

O

Main system clock output terminal (16.9344 MHz)

 

 

 

 

46

EXTAL

I

Main system clock input terminal (16.9344 MHz)

 

 

 

 

47

VDD

Power supply terminal (+2.4V)

48

NC

I/O

Not used (open)

49

SPDL START

O

Spindle servo start switching signal output terminal

SW

 

 

 

 

 

 

 

– 44 –

Image 34
Contents Specifications 927-939-12Exploded Views Electrical Parts List Table of ContentsDiagrams Flexible Circuit Board RepairingSection Servicing Notes When a disc is loaded Operation of MechanismWhen a disc is unloaded Parts and controls Section GeneralSection Disassembly Panel ASSY, RearFront Panel Section Shutter SectionDisplay PANEL, Liquid Crystal LCD901 MD Mechanism Deck MT-MZE800-170OP Service Assy LCX-2E Main BoardMOTOR, DC SSM17A/C-NP Spindle M901, MOTOR, DC Sled M902 Holder AssyOperation in Setting the Test Mode Test ModeSetting Method of Test Mode Releasing the Test ModeManual Mode Configuration of Test ModeA n u a l 011 0 6 3 B 0 011 C 6 8 S 0F F J 0 000 1 s tDescription of Error Indication Codes Reset the error display codeDescription of Indication History RPLAY 000000 FF SET OKSection Electrical Adjustments ResetPower CC 021 ResVchPWM 762 Vc1PWM764 Vr1Vc1 VrhVchAssy11 ChgPW1ChgPW2 000 *** NGSection Diagrams Block Diagram Main /2Slcv Block Diagram DISPLAY/KEY CONTROL/POWER Supply Section Printed Wiring Board Semiconductor LocationPlayback + Line Schematic Diagram Main Board 3/4 See page 37 for Waveforms Charge Waveforms IC Block Diagrams IC301 TA2131FL ELIC501 SN761056CDBT IC551 IC903 XC6383C601MR IC904 XC6368B101MRIC PIN Function Description IC601 CXD2661GA-2 Xras VDIO1VSIO1 IxoeLddr XlrfApcref VDC4SO0 VlcdSI0 SCK0Xwake DC Xwake CloseXwake SET Xchg PWRFlash WR EN SSB DataSSB CLK DBB0Section Exploded Views Panel SectionMain Section 5666103 MD Mechanism Deck Section MT-MZE800-170105 104 102 117 101 103 106 107 109 108 116 115 110 114 113 112 111Section Electrical Parts List MainInductor Composition Circuit Block Accessories & Packing Materials Revision History