Sony MZ-E80, Service Manual

– 23 –

– 24 –

– 25 –

– 26 –

2

IC501 

@§

 (TE)

10 mV/DIV, 1 µs/DIV

3

IC501 

#¢

 (FE)

100 mV/DIV, 1 µs/DIV

4

IC501 

#•

 (RF), IC601 

&•

 (RF1)

500 mV/DIV, 10 µs/DIV

6

IC551 

!§

, 

!¶

, 

!•

 (U0, V0, W0)

IC601 

`⁄‹‚

, 

`⁄‹⁄

, 

`⁄‹¤

 (SPCU, SPCV, SPCW)

1 V/DIV, 10 ms/DIV

8

IC551 

&¡

 (PWM), IC901 

@™

 (PWM1)

2 V/DIV, 2 µs/DIV

9

IC601 

@£

 (OSCO)

1 V/DIV, 20 ns/DIV

!¡

IC801 

!§

 (XOUT)

500 mV/DIV, 20 ns/DIV

Approx. 
340 mVp-p

Approx.
12 mVp-p

Approx.
10 mVp-p

Approx.
1.2 Vp-p

2.4 Vp-p

2.2 ms

2.3 Vp-p

26 ms

4.2 Vp-p

5.7 

µ

s

1.9 Vp-p

16.9344 MHz

2.7 Vp-p

5.7 

µ

s

260 mVp-p

5.7 

µ

s

3 Vp-p

10 

µ

s

7

IC551 

#¢

, 

#∞

, 

#§

 (HIW, HIV, HIU)

IC601 

`⁄¤‡

, 

`⁄¤°

, 

`⁄¤·

 (SPDU, SPDV, SPDW)

IC801 

$•

, 

$ª

, 

%º

(CLV U CON, CLV V CON, CLV W CON)
1 V/DIV, 10 ms/DIV

0

IC601 

`⁄⁄‹

 (FS4), IC901 

@•

 (CLK)

1 V/DIV, 2 µs/DIV

2.9 Vp-p

22.5792 MHz

Approx. 
320 mVp-p

2.6 Vp-p

5.7 

µ

s

1

IC501 

1

, 

2

 (I,J)

100 mV/DIV, 5 µs/DIV

5

IC501 

$™

, 

$§

 (AGCI, RFO)

100 mV/DIV, 5 µs/DIV

!™

IC901 

!£

, 

!¢

, 

!§

, 

!¶

(C2L, C1L, C1H, C2H)
1 V/DIV, 2 µs/DIV

!£

IC901 

!∞

 (VB)

100 mV/DIV, 2 µs/DIV

!¢

IC902 

5

 (LX)

1 V/DIV, 2 µs/DIV

• Waveforms
– MAIN Board –

• IC Block Diagrams
– MAIN Board –

IC501

CXA2523ATQ-T4

–1

–2

+

–

IVR

BB

+

–

IVR

AA

+

–

IVR

CC

+

–

IVR

DD

+

–

IVR

+

–

EE

EE'

EFB

TESW

PTGR

48

MORFO

47

MORFI

46

RFO

45

OPN

44

OPO

43

ADDC

42

COMPP

41

COMPO

40

AGCI

39

RF AGC

38

RF

37

PEAK

36 BOTM

35 ABCD

34 FE

33 AUX

32 ADFG

31 ADAGC

30 ADIN

29 ADFM

28 SE

27 CSLED

26 TE

25 WBLADJ

24

VCC

23

3TADJ

22

EQADJ

21

VREF

20

F0CNT

19

XSTBY

18

XLAT

17

SCLK

16

SWDT

15

TEMPR

14

TEMPI

13

GND

12

APCREF

11

APC

10

PD

9

F

8

E

7

D

6

C

5

B

4

A

3

VC

VI CONV

BGR

VREF

SCRI - PARA

DECODE

+ –

–

+

AUXSW

COMMAND

+

–

IVR

GSW

+

–

FF

FBAL

FF'

TG

SEA

–

+

–

+

–1

–2

TG

TEA

WBL

3T

EQ

–

–

+

+

+

+

–

–

–

–

–

–

DET

ADIP
AGC

WBL

BPF22

BPFC

ABCDA

FEA

WBL

ATA

–

+

CVB

+

–

RFA1

–

–

–

–

1

2

–
–
–

1
2

GRVA

OFST

RFA2

GRV

HLPT

PTGR

–2

–1

–1

–2

BOTTOM

PEAK

RF AGC

EQ

EQ

DET

P-P

WBL

3T

WBL

TEMP

PBH

–

+

USROP

+

–

USRC

3T

BPF3T

PEAK3T

1

I

2

J

RFA3

PBSW

AUX

SW

IV

ESW

EBAL

IC551

MPC17A55FTA

21

22

23

24

25

26

27

28

29

30

2

3

5

4

6

7

8

9

10

1

11

12

13

14

15

16

17

18

19

20

31

32

33

34

35

36

37

38

39

40

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

41

42

43

44

45

46

47

48

49

50

71

72

PRE DRIVER

PRE DRIVER

PRE DRIVER

PRE DRIVER

HI–BRIDGE

CONTROL

HI–BRIDGE

CONTROL

HI–BRIDGE

CONTROL

HI–BRIDGE

CONTROL

BIAS 

CONTROL

SLEEP UP/DOWN

/POWER SW

DECODER

POWER SW

PRE DRIVER

STEP UP/DOWN

PRE DRIVER

STEP–UP

PRE DRIVER

PRE DRIVER

3 PHASE CONTROL

PRE

 DRIVER

PWM

 DRIVER

PRE

 DRIVER

PWM

 DRIVER

VC

VC

VG

VC

VC

VG

VC

VC

VG

VC

VC

VG

VC

VC

VG

VC

VC

VG

VC

VC

VG

VC

VG

VG

VG

VG

VG

VC

VC

VC

VC

REN

ROE

1ntSTB

1ntSTB

1ntOE

DO or DI

F12

R12

F11

R11

R13

F13

R14

F14

OE

VREG

VREG
CONT

CLPF

RGND

VC

GND

VG

PWM

DI

DO

VB1

VB1

VB

VB

VB2

LI

LI

UO

VO

WO

V0

V0

L2H

L2L

GND

DCC2

GND

DCC1

GND

DCC1

HIU

HIV

HIW

P11

P12

VPS2

PO2

GND
PS

PO1

VPS1

GND
3P2

HOW

VD2

HOV

GND
3PI

HOU

VD

IN

GND

H2

FO2

VM2

RO2

GND

H12

FO1

VM1

RO1

GND

H13

RO3

VM3

FO3

GND

H34

RO4

GND

H4

VC

VM4

FO4

IC601

CXD2663GA

1

2

3

4

5

MONITOR
CONTROL

6

7

8

9

10

CPU I/F

11

12

EACH

BLOCK

EACH

BLOCK

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

SUBCODE

PROCESSOR

DAC

OSC CELL

LPF

DIGITAL

AUDIO I/F

S

ATRAC

43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73

74 75 76 77 78 79 80 81 82 83

84

16M

DRAM

SHOCK RESISTANT

MEMORY CONTROLLER

EFM/ACIRC

DECODER

COMP

PLL

ANALOG

MUX

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

103

102

104

105

107

106

108

109

110

111

112

113

114

115

117

116

118

119

120

121

122

123

124

125

126

A/D

CONVERTER

ADIP

DECODER

AUTO

SEQUENCER

PWM

GENERATOR

SERVO DSP

SPINDLE

SERVO

BRUSHLESS MOTOR CONTROL

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

XBCK

SPFD

SPRD

SFDR

SRDR

168 - 148

VSIO3

VDIO3

SPVS

MTFLGR

TEST3

TEST2

TEST1

FGIN

SPFD

SPRD

VSC4

SFDR

SRDR

FS4

FRDR

FFDR

TFDR

TRDR

VDC4

LDDR

APCREF

DTRF

CKRF

XLRF

FOCNT

VSIO2

VDIO2

ADFG

APC

DCHG

TE

SE

ADRB

AVS2

AVD2

ADRT

ADID

VC

AUX1

FE

ABCD

BOTM

PEAK

CLTV

FILO

FILI

PCO

AVS1

RFI

BIAS

AVD1

ASYI

ASYO

MVCI

XWE

XOE

A11

VSC3

VDC3

D3

D0

D2

D1

XCAS

IXWE

IXOE

XRAS

A09

A08

A10

A07

A00

VSIO1

VDIO1

A06

A01

A05

A02

A04

A03

FS256

XBCK

VSC2

  LRCK   

DADT

TST7

TST6

TST5

DATAI

VDC2

VDC1

DT72

DOUT

TST4

TST3

XSTL

VSC1

DAVSSR

VREFR

AOUTR

DAVDDR

DAVDDL

AOUTL

VREFL

DAVSSL

VSIOSC

OSCO

OSCI

VDIOSC

TST2

XINT

TST1

MTFLGL

SQSY

XRST

SENS

SRDT

VSCO

XLAT

SCLK

SWDT

MNT3

MNT2

MNT1

MNT0

VDCO

SPDU

SPDV

SPDW

SPCU

SPCV

SPCW

SLDU

SLDV

SLDW

VDC5

VSC5

SLCU

SLCV

SLCW

SL

VS

BYSP

DVSS0

DVDD0

DVSS1

DVDD1

TST8

NC

IC802

AK93C55AV-L

INSTRUCTION

DECODE

CONTROL

AND

CLOCK

GENERATION

INSTRUCTION

REGISTER

ADD

BUFFERS

DATA

REGISTER

R/W AMPS

AND

AUTO ERASE

DECODER

VPP
SW

VREF

VPP

GENERATOR

EEPROM

2048bit

128 X 16

2

3

5

4

6

7

8

1

VCC

PE

NC

GND

CS

SK

DI

DO