Sony MZ-R37 Clkcs, SDI2, SDO2, SCK2, Rfsw, Ssb Sck, Spck, Clock, Sleep, Rec, Sync REC, Lcd Ds

Page 22

• IC801 CXP740010 (SYSTEM CONTROL)

Pin No.

Pin name

I/O

Pin Description

1

CLKCS

O

Not used (Chip select output to real time clock).

 

 

 

 

2

XRST

O

Reset output. L : Reset

 

 

 

 

3

WRPWR

O

Laser power switching signal output.

 

 

 

 

4

TX

O

Write data transfer timing output.

 

 

 

 

5

SDI2

I

Serial data input.

 

 

 

 

6

SDO2

O

Serial data output.

 

 

 

 

7

SCK2

O

Serial clock output.

 

 

 

 

8

RFSW

O

Power control output.

 

 

 

 

9

SSB

I/O

SSB data signal input and output.

 

 

 

 

10

SSB SCK

I/O

SSB clock signal input and output. (Not used (Open).)

 

 

 

 

11

DTCK

I/O

Remote control data signal input/output.

 

 

 

 

12

SPCK

—

Not used (Open).

 

 

 

 

13

WP

I

Wake-up signal input from remote control key and this unit key.

 

 

 

 

14

OPEN

I

Detecting switch for opening and closing of the upper cover. L : Close

 

 

 

 

15

CLOCK

I

Not used (CLOCK SET switch input).

 

 

 

 

16

NI MH CHG

O

NI MH charge control output.

 

 

 

 

17

SLEEP

O

Sleep signal output.

 

 

 

 

18

T.MARK

I

T.MARK (Track mark) switch input.

 

 

 

 

19

REC

I

Not used (REC switch input).

 

 

 

 

20

PROTECT

I

Disc write protect switch. H : Protect

 

 

 

 

21

HOLD

I

HOLD switch input (This unit). L : HOLD

 

 

 

 

22

SYNC REC

I

SYNCHRO REC switch input.

 

 

 

 

23

D. B. B

I

DIGITAL MEGA BASS slide switch input.

 

 

 

 

24

XLINEDET

I

LINE IN (OPTICAL) detection input. L : LINE IN

 

 

 

 

25

INMU1

O

INMU signal output.

 

 

 

 

26

XTEST

I

Test mode terminal. L : Test mode

 

 

 

 

27

XDCIN

I

Not used (Open). (DC input detect. L : DC IN)

 

 

 

 

28

KANA SE L

—

Not used (Open).

 

 

 

 

29

XPHOTO SW

O

ON/OFF control signal output of PHOTO circuit.

 

 

 

 

30

XP CONT

—

Not used (Open). (Power control output. L : ON)

 

 

 

 

31

X2VCONT

—

Not used (Open). (Outputs H while operating with a lithium battery. 2V power control

signal output. L : ON)

 

 

 

 

 

 

 

32

XREC LED

—

Not used (Open). (REC LED control. L : ON)

 

 

 

 

33

MODE2

O

REC drive (IC901) control signal output.

 

 

 

34

MODE1

O

 

 

 

 

 

35

XNIMH CHG

—

Not used (Open). (Battery charger control signal output. L : Charge)

 

 

 

 

36

XLCD ON

O

LCD ON/OFF control. L : ON

 

 

 

 

37

INMU0

O

INMU signal output.

 

 

 

 

38

MRST

I

Microprocessor reset input.

 

 

 

 

39

VSS

—

Ground.

 

 

 

 

40

XTAL

—

System clock (12 MHz).

 

 

 

 

41

EXTAL

—

System clock (12 MHz).

 

 

 

 

42

LCD DS

O

LCD communication strobe signal output to LCD driver.

 

 

 

 

43

LCD XC D

O

Com/data select signal output.

 

 

 

 

44

LCD DATA

O

LCD data output.

 

 

 

 

45

LCD SCK

O

Serial clock output.

 

 

 

 

46

CHG MNT

I

Battery charge voltage minitor input.

 

 

 

 

47

INLS

I

Detecting switch for internal circuit of sleding. L : Internal circuit

 

 

 

 

48

HIDC MNT

I

Voltage monitor DC input.

 

 

 

 

49

KEY R

I

Remote control key input.

 

 

 

 

– 22 –

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Contents Specifications MZ-R37Flexible Circuit Board Repairing Battery operation time1Servicing Note General Operation in Test Mode Setting Section SELF-DIAGNOSTICTest Mode Setting Releasing the Test ModeProblem Indication code Meaning of code Description Clearing the Error Indication Code and Total Recording TimeDescription of Error Indication Codes Description of History Codes History code numberPANEL, Bottom Section DisassemblyPanel SV ASSY, Front Connector LCD ModuleMain Board Panel SV ASSY, UpperCabinet SV Assy OP Block AssyHolder Assy Test Mode Structure Test ModeManual Mode System Gain Mode Audio Mode How to Transfer in the Audio ModeHow to Check in the Audio Mode How to Adjust in the Audio ModeHow to Check in the Mechanism Mode How to Adjust in Assy Mode Overall Adjustment Mode Assy ModePower Mode Mode No Test Description Indication value Remark How to Check in the Power ModeMO Automatic Adjustment Hybrid MODE, KEY Check ModeMode No Adjustment Description Laser Power Check Section Electrical AdjustmentsPrecautions for Adjustment MO Traverse AdjustmentLOW Reflection CD Traverse Adjustment CD RF Level Check RF waveformSection Diagrams IC PIN DescriptionsFilo AvssFili XlrfSDO2 ClkcsSDI2 SCK2KEY2 LCD ResetKEY3 KEY1Block Diagram Servo Section MZ-R37Audio Block Diagram System Control SectionControl B Keyrmc SectionPrinted Wiring Board Semiconductor LocationWaveforms IC801 $¼ MZ-R37 IC304 IC Block Diagrams IC301 AK4517-VQ-LIC303 AN7535SA-E1 IC802 8110ANP-DSB-T2IC761 BA6966FV-E2 IC803 AK6420AM-EIC901 MPC18A35FTA Section Exploded Views Panel Section59 4-216-592-01 Terminal A, Battery Detection Cabinet SV Assy SectionMOTOR, DC Loading Mechanism Deck Section MT-MZR37-161Motor Block ASSY, Sled Sled Section Electrical Parts ListMain Elect Chip TantalumDiode CXA2523AR Metal ChipRN5RZ25AA-TR CXD2652ARDescription Remark R202 218-875-11 SWITCH, KEY Board Display SwitchSWITCH, Slide Synchro REC Accessories & Packing MaterialsADAPTOR, AC AC-E455A Accessories & Packing MaterialsADAPTOR, Conversion 2P Schematic Diagram Table of Contents Printed Wiring BoardCorrections Printed Wiring Board Except US Model Side aMain Board Printed Wiring Board US Model Semiconductor LocationMZ-R37 Schematic Diagram Main /3 IC801 rMZ-R37 Electrical Parts List CAP-CHIP Jack PHONES/REMOTE Diode MA8140-M-TXJFJ7001 Line in Optical Transistor XP4313-TX.SORES-CHIP Network Resistor FILTER, Chip EMI Common ModeFilter Incorrect Correct Electrical Parts LIST/MISCELLANEOUS Incorrect CorrectOP Service Assy Head ASSY, OP
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