Sony MZ-R91 Waveforms, IC Block Diagrams IC301, IC501 SN761056ADBT, IC304, 305 RN5RZ25AA-TR

Page 26

•Waveforms

1 IC301 1 (MCLK), IC502 rh (FS256)

1V/DIV, 50 ns/DIV

2.7Vp-p

88.5 ns

2 IC301 2 (LRCK), IC502 rd (LRCK)

1 V/DIV, 10 µs/DIV

2.8 Vp-p

22.7 ∝ s

3 IC301 3 (BCLK), IC502 rg (XBCK)

400 mV/DIV, 200 ns/DIV

6 IC501 ed (RF), IC502 uk (RFI) (PLAY Mode) qa IC502 <zxv (SPVS), IC504 1, 2

400 mV/DIV, 1 µs/DIV

IC601 3 (PWMI), IC801 yj (SPDL PWM)

 

(REC Mode)

 

1 V/DIV, 5 µs/DIV

Approx.

 

1.4 Vp-p

 

 

2.8 Vp-p

7 IC501 rs (FE), IC502 ij (FE) (PLAY Mode)

11.4 ∝ s

200 mV/DIV, 1 µs/DIV

 

 

qs IC502 <zxm , <zx, , <zx. (SPDU, SPDV, SPDW)

 

IC504 5, 6, IC505 1, 2, 5, 6

Approx.

IC601 1, 2, rk (VI, UI, WI)

416 mVp-p

IC801 wf, wg, wh (CLV U, CLV V, CLV W)

 

(PLAY Mode)

 

1 V/DIV, 5 ms/DIV

2.8 Vp-p

8 IC502 w; (OSCO)

400 mV/DIV, 20 ns/DIV

11.1 ms

1.3 Vp-p

qg IC601 ej, ek, el, r; (COM, CPWI, CPVI, CPUI)

400 mV/DIV, 5 µs/DIV

1.3 Vp-p

11.5 ∝ s

qh IC603 qk (COSC) (REC Mode) 400 mV/DIV, 5 µs/DIV

1.6 Vp-p

5.7∝ s

qj IC603 wa, wd (CIH, CIL) (REC Mode) 2 V/DIV, 2 µs/DIV

w; IC801 yh (VC PWM)

40 mV/DIV, 5 µs/DIV

203 mVp-p

11.3 ∝ s

wa IC803 5 (LX)

50 mV/DIV, 5 µs/DIV

112 mVp-p

7.4 ∝ s

ws IC804 8 (OSCOUT)

500 mV/DIV, 20 µs/DIV

1.2 Vp-p

wg Q607 (Drain)

50 mV/DIV, 5 µs/DIV

114 mVp-p

8.6 ∝ s

wh Q904 (Drain)

1 V/DIV, 5 µs/DIV

3.5 Vp-p

7.6 ∝ s

• IC Block Diagrams

IC301

AK4517BVQ-L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

CMODE

PD

RST

SSB

NC

NC

NC

LIN1

RIN1

TST1

LIN2

RIN2 TST2

LIN3

RIN3

 

 

 

 

 

64

 

63

62 61 60 59 58 57

56 55 54 53 52 51 50 49

 

 

 

 

MCLK

1

CLOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

48

IPGAL

DIVIDER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

47

ADCL

LRCK

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BCLK

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A/D

46

VCML

SDTO

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45

NC

AUDIO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONVERTER

 

 

 

 

 

 

HPF

 

 

 

 

 

 

 

 

44

VCMR

NC

5

INTERFACE

 

 

 

 

 

 

 

 

 

 

 

 

 

SDTI

6

CONTROLLER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIF0

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

43

ADCR

DIF1

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

42

IPGAR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

41

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

NC

NC

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

39

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TST3

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

38

VRAD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

37

LOUT2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

36

ROUT2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

35

VRDA

DCODE0

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

34

OPGAL

DCODE1

13

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

D/A

 

 

 

DCODE2

14

 

 

 

DPGA

 

 

 

 

DBB

 

 

 

33

LOUT1

REGISTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONVERTER

 

CS (SCK)

15

INTERFACE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CCLK (SSI)

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

 

 

 

IC501

 

SN761056ADBT

 

 

 

 

 

 

 

 

 

 

 

 

 

44

ADIPIN

TE

1

 

 

 

 

 

 

 

 

 

 

 

 

 

DWBPF

 

 

REXT

2

 

ADIP

TEMP

 

DW

 

 

 

 

 

 

 

 

AWBPF

 

 

WPPLPF

3

 

 

TE

 

MIJ

 

 

 

 

 

 

ADIP

 

MALFA

 

 

VREF11

4

 

 

TON BOTM

 

D-C

 

 

 

 

 

 

TON PEAK

S-MONITOR

A-C

 

 

 

 

 

 

AW+DW

 

VREF075

 

 

 

 

 

 

CSL

 

CSLO

 

 

C

5

TRACKING

 

TON

 

AW

 

 

 

 

ERROR

 

NPP

 

PK/BTM

 

 

D

6

AMP

 

I+J

 

TWPP

 

 

 

 

 

 

A+B+C+D

 

 

43

S-MON

 

 

 

 

 

 

 

42

FE

D-C

7

TPP/WPP

 

ABCD

 

 

41

ABCD

 

AMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

AVCC

 

 

 

 

 

 

 

39

OFC-C1

IY

8

FOCUS

 

 

 

RF

38

OFC-C2

IX

9

 

 

 

37

PS

ERROR

 

 

 

AMP

JX

10

 

 

 

36

LP

AMP

 

 

 

 

JY

11

 

 

 

 

35

EQ

 

 

 

 

 

 

 

 

 

 

 

 

34

AGND

 

 

 

 

 

 

 

33

RF

354 ns

4 IC501 1 (TE), IC502 oh (TE) (PLAY Mode)

200 mV/DIV, 1 µs/DIV

Approx. 396 mVp-p

5IC501 8, 9, 0, qa (IY, IX, JX,JY) (PLAY Mode)

200 mV/DIV, 500 ns/DIV

Approx. 540 mVp-p

44.3 ns

9IC502 <zzc (FS4), IC603 ql (CK) 1 V/DIV, 2 µs/DIV

2.7 Vp-p

5.7∝ s

0IC502 <zxv (SPVS), IC504 1, 2

IC601 3 (PWMI), IC801 yj (SPDL PWM) (PLAY Mode)

1 V/DIV, 2 µs/DIV

2.8 Vp-p

qd IC502 <zxm , <zx, , <zx. (SPDU, SPDV, SPDW) IC504 5, 6, IC505 1, 2, 5, 6 IC601 1, 2, rk (VI, UI, WI)

IC801 wf, wg, wh (CLV U, CLV V, CLV W) (REC Mode)

1 V/DIV, 10 ms/DIV

2.8 Vp-p

20 ms

qf IC502 <zc/ , <zcz , <zcx (SPCU, SPCV, SPCW)

IC601 ef, eg, eh (COWO, COVO, COUO)

1 V/DIV, 5 ms/DIV

2.8 Vp-p

5.7∝ s

qk IC801 rg (XTAL) 1 V/DIV, 20 ns/DIV

2.2 Vp-p

59.1 ns

ql IC801 yg (VRM PWM) 100 mV/DIV, 5 µs/DIV

508 mVp-p

11.3∝ s

 

30.5 ∝ s

wd IC901 qh (PWMVC), Q904 (Gate)

5

V/DIV, 2 µs/DIV

 

8.8 Vp-p

 

7.8 ∝ s

wf IC901 rd (CLK)

1

V/DIV, 2 µs/DIV

 

2.7 Vp-p

 

7.6 ∝ s

CDTO

CDTI (SSO)

DGND VD

NC

VB

VA

NC

NC

AGND

NC

NC

VCOM

DZF

OPGAR

ROUT1

IC304, 305 RN5RZ25AA-TR

 

 

 

 

 

 

 

 

 

 

 

 

GND

1

 

5

CE

VDD

2

 

VREF

 

 

 

–

+

 

 

 

 

 

 

 

 

CURRENT

 

 

 

 

LIMIT

 

VOUT

3

 

4

NC

 

 

 

A

12

 

 

32

CCSL2

A-C

13

 

 

 

 

B

14

 

POWER

31

VC

 

 

 

 

 

TON-C

15

T-ON

SUPPLY

30

VREF075

 

CIG

16

 

PEAK/BOTM

29

PEAK

 

 

 

 

 

CDN

17

 

 

28

BOTM

PD-NI

18

AUTOMATIC

 

27

DGND

PD-I

19

 

 

 

 

POWER CONTRL

 

 

 

PD-O

20

 

 

 

 

 

26

OFTRK

 

 

 

 

ADFG

21

 

SERIAL

25

XRST

 

 

 

 

 

 

24

SCK

DVDD

22

 

INTERFACE

 

23

SBUS

 

 

 

 

 

 

– 38 –

5.3 ∝ s

11.8 ms

– 39 –

– 40 –

– 41 –

– 42 –

Page 25 Page 27
Image 26
Page 25 Page 27
Contents LCX-2R SpecificationsNEW Exploded Views Electrical Parts List Table of ContentsDiagrams Flexible Circuit Board RepairingSection Servicing Notes EepromGeneral Headphones with a remote control RM-MZ2SSection Location of ControlsUpper Panel Section Section DisassemblyPanel ASSY, Bottom MZ-R91 LCD MODULE, BUTTON, CONTROL, Service ASSY, Upper PanelMZ-R90 Main BOARD, Case ASSY, Battery Belt ASSY, OrnamentalService ASSY, OP Chassis ASSY, SET, MD Mechanism Deck MT-MZR90-165Holder Assy Motor Flexible BoardMOTOR, DC Sled M602 Operation in Setting the Test Mode Test ModeSetting Method of Test Mode Releasing the Test ModeA n u a l Configuration of Test ModeManual Mode 011 0 6 3 B 0 Overall Adjustment Mode011 0 F F J 0 011 0 5 9 a 0T a t Sound Skip Check Result Display ModeSetting method of Sound Skip Check Result Display Mode T r ySelf-Diagnosis Display Mode 000 1 s tDescription of Indication History Description of Error Indication CodesClearing Self-Diagnosis Data and Total Recording Time RECKey Check Mode Key IndicationE s O K ? Section Electrical AdjustmentsE s N E sR h V c l C l P W MC h P W M R h V c hD R U N E t T m pS S Y D O KE s u m e Laser Power CheckO O K E s C l rSignal Path Section DiagramsBlock Diagram Servo Section REC DigitalSignal Path Play Analog OUT REC Analog REC Digital Block Diagram A/D, D/A CONVERTER, Audio SectionBlock Diagram KEY CONTROL/DISPLAY/POWER Supply Section JEW Printed Wiring BoardSemiconductor Location MZ-R90/R91 IC501 SN761056ADBT IC Block Diagrams IC301Waveforms IC304, 305 RN5RZ25AA-TRIC601 IC602IC902 IC603IC605 XC6367B103MR IC803 XC6383C301MR IC804 RV5C348A-E2 IC901IC PIN Function Description Sclk VDC0Swdt VSC0Xras VDIO1VSIO1 IxoeLddr XlrfApcref VDC4Sense Sync RECPause KEY WrpwrTSB Edge FfclrSleep GND SWSET KEY Half LockRMC KEY REC KEYHK, CH, JEW Section Exploded ViewsPanel Section MZ-R90 Panel Section MZ-R91 Chassis section Not supplied102 103 104 108 109 Chassis Section101 105 113 112 114 106 110 107 111 109 MD-MECHANISM Deck Section Electrical Parts List MainCeramic Chip 5PF CAP, ChipCXD2660GA ConnectorFILTER, Chip EMI Common Mode IC MPC17A56FTAEBFET FET HAT2051T-ELFET HAT2050T-EL Transistor ZDT6718TAOPEN/CLOSE Detect SwitchComposition Circuit Block Thermistor TH901 1-803-795-21 THERMISTOR, Positive Vibrator SWITCH, Slide HoldSWITCH, Slide Synchro REC MiscellaneousMZ-R90/R91 Subject Addition of Korean Model CorrectionHong Kong Model Korean Model Electrical Parts ListExploded Views Indicates changed portion.EXPLODED Views 112 105 106 #114151 176 @ IC MPC17A56FTA IC MPC18A31FTAEB
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