Sony MZ-E800 service manual IC551, IC903 XC6383C601MR IC904 XC6368B101MR

Page 29

IC551

XC111256FTAEB

WI

VMU

UO

GNDUV

VO

VMVW

WO

GNDW

CPUI

CPVI

CPWI

COM

48

47

46

45

44

43

42

41

40

39

38

37

VC

VC

VG

+

36

CPUO

–

VI

1

3PHASE

PRE

+

35

CPVO

UI

2

CONTROL

DRIVER

–

PWM

3

+

34

CPWO

–

VM1

4

VG

VC

VC

VC

VC

VG

33

VM3

RO1

5

PRE

H-BRIDGE

H-BRIDGE

PRE

32

RO3

PGND1

6

31

PGND3

DRIVER

CONTROL

CONTROL

DRIVER

FO1

7

30

FO3

VM12

8

VG

VC

VC

VC

VC

VG

VC

ROE

BIAS

29

VM34

RO2

9

PRE

H-BRIDGE

H-BRIDGE

PRE

PGND2

10

28

RO4

DRIVER

CONTROL

CONTROL

DRIVER

FO2

11

VC

VG

27

PGND4

VM2

12

26

FO4

25

PWM24

13 14

15 16 17

18

19

20

21 22

23 24

RI2 FI2

RI1

FI1

OE

VC

GND

VG

FI3

RI3

FI4

RI4

IC903

XC6383C601MR

IC904, 907

XC6368B101MR

CE

1

CHIP

PHASE

ENABLE

COMPENSATION

VDD

PWM

VREF

VLX LIMITER

5

LX

ERROR AMP

COMPARATOR

VOUT

2

FB

1

+

+

BUFFER,

BUFFER

–

–

DRIVER

VDD

2

+

2STEP PFM CONTROL

REFERENCE VOLTAGE

RAMP WAVE

–

OSC 100/180kHz

CE

3

PWM/PFM

NC

3

4

VSS

WITH SOFT START,

GENERATOR,

CONTROLLER

+

CHIP ENABLE

OSC

–

5EXT

4GND

– 39 –

Image 29

Contents 927-939-12 SpecificationsDiagrams Table of ContentsExploded Views Electrical Parts List Flexible Circuit Board RepairingSection Servicing Notes Operation of Mechanism When a disc is loadedWhen a disc is unloaded Section General Parts and controlsPanel ASSY, Rear Section DisassemblyShutter Section Front Panel SectionMD Mechanism Deck MT-MZE800-170 Display PANEL, Liquid Crystal LCD901Main Board OP Service Assy LCX-2EHolder Assy MOTOR, DC SSM17A/C-NP Spindle M901, MOTOR, DC Sled M902Setting Method of Test Mode Test ModeOperation in Setting the Test Mode Releasing the Test ModeA n u a l Configuration of Test ModeManual Mode F F J 0 011 C 6 8 S 0011 0 6 3 B 0 000 1 s tDescription of Indication History Reset the error display codeDescription of Error Indication Codes 000 FF 000RPLAY SET OKPower CC ResetSection Electrical Adjustments 021 Res764 Vr1Vc1 762 Vc1PWMVchPWM VrhVchChgPW2 ChgPW1Assy11 000 *** NGBlock Diagram Main /2 Section DiagramsSlcv Block Diagram DISPLAY/KEY CONTROL/POWER Supply Section Semiconductor Location Printed Wiring BoardPlayback + Line Schematic Diagram Main Board 3/4 See page 37 for Waveforms Charge IC501 SN761056CDBT IC Block Diagrams IC301 TA2131FL ELWaveforms IC903 XC6383C601MR IC904 XC6368B101MR IC551IC PIN Function Description IC601 CXD2661GA-2 VSIO1 VDIO1Xras IxoeApcref XlrfLddr VDC4SI0 VlcdSO0 SCK0Xwake SET Xwake CloseXwake DC Xchg PWRSSB CLK SSB DataFlash WR EN DBB0Panel Section Section Exploded Views5666 Main Section105 104 MD Mechanism Deck Section MT-MZE800-170103 102 117 101 103 106 107 109 108 116 115 110 114 113 112 111Main Section Electrical Parts ListInductor Composition Circuit Block Accessories & Packing Materials Revision History