Sony MZ-R700 service manual Section Diagrams, IC PIN Function Description

Page 29

MZ-G750/R700

SECTION 6

DIAGRAMS

6-1. IC PIN FUNCTION DESCRIPTION

• IC501 SN761057DBT (RF AMP, FOCUS/TRACKING ERROR AMP)

Pin No.

Pin Name

I/O

Description

 

 

 

 

1

TE

O

Tracking error signal output to the system controller (IC801)

 

 

 

 

2

REXT

—

Connect terminal to the external resistor for ADIP amp control

 

 

 

 

3

WPPLPF

—

Connect terminal to the external capacitor for TPP/WPP low-pass filter

 

 

 

 

4

VREF

O

Reference voltage output terminal (+1 V)

 

 

 

 

5

C

I

Signal (C) input from the optical pickup detector

 

 

 

 

6

D

I

Signal (D) input from the optical pickup detector

 

 

 

 

7

D-C

I

Signal (D) input from the optical pickup detector (AC input)

 

 

 

 

8

IY

I

I-V converted RF signal (IY) input from the optical pickup detector

 

 

 

 

9

IX

I

I-V converted RF signal (IX) input from the optical pickup detector

 

 

 

 

10

JX

I

I-V converted RF signal (JX) input from the optical pickup detector

 

 

 

 

11

JY

I

I-V converted RF signal (JY) input from the optical pickup detector

 

 

 

 

12

A

I

Signal (A) input from the optical pickup detector

 

 

 

 

13

A-C

I

Signal (A) input from the optical pickup detector (AC input)

 

 

 

 

14

B

I

Signal (B) input from the optical pickup detector

 

 

 

 

15

TON-C

—

Connect terminal to the external capacitor for TON hold

 

 

 

 

16

CIG

—

Connect terminal to the external capacitor for the low-pass filter of NPP divider

denominator

 

 

 

 

 

 

 

17

CDN

—

Connect terminal to the external capacitor for the low-pass filter of CSL divider

denominator

 

 

 

 

 

 

 

18

PD-I

I

Light amount monitor input terminal (invert input)

 

 

 

 

19

PD-NI

I

Light amount monitor input terminal (non-invert input)

 

 

 

 

20

PD-O

O

Light amount monitor output terminal

 

 

 

 

21

ADIP

O

ADIP duplex FM signal (22.05 kHz ± 1 kHz) output to the system controller (IC801)

 

 

 

 

22

DVDD

—

Power supply terminal (+2.3 V) (digital system)

 

 

 

 

23

SBUS

I/O

SSB serial data input/output with the system controller (IC801)

 

 

 

 

24

SCK

I

SSB serial clock signal input from the system controller (IC801)

 

 

 

 

25

XRST

I

Reset signal input from the system controller (IC801) “L”: reset

 

 

 

 

26

OFTRK

I

Off track signal input from the system controller (IC801)

 

 

 

 

27

DGND

—

Ground terminal (digital system)

 

 

 

 

28

BOTM

O

Bottom hold signal output of the light amount signal (RF/ABCD) to the system

controller (IC801)

 

 

 

 

 

 

 

29

PEAK

O

Peak hold signal output of the light amount signal (RF/ABCD) to the system

controller (IC801)

 

 

 

 

 

 

 

30

VREF075

—

Connect terminal to the external capacitor for the internal reference voltage

 

 

 

 

31

VC

O

Middle point voltage (+1.2 V) generation output terminal

 

 

 

 

32

CCSL2

—

Connect terminal to the external capacitor for TPP/WPP low-pass filter

 

 

 

 

33

RF OUT

O

Playback EFM RF signal output to the system controller (IC801)

 

 

 

 

34

AGND

—

Ground terminal (analog system)

 

 

 

 

35 – 37

EQ, LP, PS

—

Connect terminal to the external capacitor for the RF equalizer

 

 

 

 

38

AVCC

—

Power supply terminal (analog system) (+2.3 V)

 

 

 

 

39, 40

OFC-2, OFC-1

—

Connect terminal to the external capacitor for RF AC coupling

 

 

 

 

41

ABCD

O

Light amount signal (ABCD) output to the system controller (IC801)

 

 

 

 

42

FE

O

Focus error signal output to the system controller (IC801)

 

 

 

 

43

S-MON

O

Servo signal monitor output to the system controller (IC801)

 

 

 

 

44

ADIP-IN

I

ADIP duplex FM signal (22.05 kHz ± 1 kHz) input terminal

 

 

 

 

29

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Contents MZ-G750/R700 SpecificationsMZ-G750/R700 Flexible Circuit Board RepairingElectrical Adjustments Table of ContentsDisassembly DiagramsOptical PICK-UP Flexible Board Section Servicing NoteMZ-G750 Section GeneralMZ-R700 Panel ASSY, Upper Section DisassemblyPanel ASSY, Lower Main Board LCD ModuleMD Mechanism Deck Service ASSY, OPMotor Flexible Board Holder AssyMOTOR, DC M601, MOTOR, DC M603 MOTOR, DC M602Version Ver 1.200 00 Section Test Mode8888e Manual Mode Configuration of Test ModeTransition method in Manual Mode ManualSelf-Diagnosis Result Display Mode Overall Adjustment ModeSelf-Diagnosis Result Display Mode Setting Method LrefPw 1D 0Description of Error Indication Codes Reset the error display codeSetting method of Reset the Error Display Code Description of Indication HistoryRPLAY Sound Skip Check Result Display ModeKey Check Mode SET OK ResNV CC 0 Reset! 0Res OK? 0 ResV5num V1datV5dat AssyLaser SetTmpLrefPw HrefPwMain Boardside a Configuration of overall adjustmentElectrical Offset Adjusting Method Overall Adjustment Mode Title DisplayAdjustment Method of Overall CD and MO Adjustment Mode OfstResume CC 0 Patch Data Rewriting When Nonvolatile Memory was ReplacedResClr PatClr CC 00D581E Patch 00 00D5900 0D59B20D6204 0D62000D6500 0D65200D6400 0D61200D64F4 0D651C0D6CF6 0D6C000D6D00 0D6D1C0D751C 0D75000D7600 0D7603IC PIN Function Description Section DiagramsMIC Sense Pause KEYMIFVSS3 SET KEYDSPVSS0 DSPVDD0Xtsl LrckSlcu SldwSlcv SlcwGND SW Open Close SWSET CODE0 SET CODE2Sycn REC Xhold SWFlashvdd FlashvssBoard Block Diagram Servo SectionMain Board Block Diagram Audio SectionMain Board 3/3 System CONTROL/POWER Section Block Diagram System Control / Power SectionMain Board Side a Printed Wiring Board Main SectionMotor Flexible Board Waveforms Common note on Schematic DiagramIC B/D 184 R104,204 Except US model10k US model 33k IC551 SC111257FCR2 IC501 SN761057DBTIC303 IC1006 XC6371C271PR MZ-G750IC901 IC601IC302 TA2131FL IC301 AK5354VTPanel Section SectionExploded Views 56 @ Chassis Section101 102 103 104 MD Mechanism Deck Section MT-MZR700-172122 110 112 111 109 103 117 119 120 118 105 106 108 107 115 121Resistors Main Electrical Parts ListMain Short FET Filter Miscellaneous Revision History

MZ-R700 specifications

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