Sony R501PC service manual Section Diagrams, IC PIN Function Description

Page 24

MZ-R501/R501PC

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 to 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

 

 

 

 

24

Image 24
Contents Specifications LCX-4RFlexible Circuit Board Repairing MZ-R501/R501PCTable of Contents Electrical AdjustmentsDisassembly DiagramsSection Servicing Note Optical PICK-UP Flexible BoardLooking at the controls GeneralSection Disassembly Case Lower AssyCase Upper Assy LCD Module Main BoardMD Mechanism Deck Service ASSY, OP Holder Assy Motor Flexible BoardDC Motor M602 DC Motor M601, DC Motor M603Section Test Mode 00 6Configuration of Test Mode Manual ModeTransition method in Manual Mode 00Manual113A4S1D 11OFEJ1D11063B1D 11072A1DReset the error display code Description of Error Indication CodesSetting method of Reset the Error Display Code Description of Indication HistorySound Skip Check Result Display Mode Key Check Mode88RMC OK 88RMC OK 21Reset 21ResOK?21Res 32Pw-T W62 S01 71V5num71 S20 72V5dat64V1 PWM 14 S1410Laser 00ADJ OKConfiguration of overall adjustment 12HrefPw12###S 13WritPw00Assy 35Ofst00CD OK 00MO OKMode Settings 62***S2062***S30 0000TimeMK67***S67 68***S2068***S01 43ResumeSection Diagrams IC PIN Function DescriptionMIC Sense XtestMIFVSS3 SET KEYAPC DSPVDD0DSPVSS0 XtslSldw SlcuSlcv SlcwCLK SEL Open Close SWGND SW SET CODE0Xhold SW Sycn RECSync Level FlashvddBlock Diagram Servo Section Main BoardBlock Diagram Audio Section Main BoardMain Board 3/3 System CONTROL/POWER Section Block Diagram System Control / Power SectionCommon note on Printed Wiring Board WaveformsPrinted Wiring Board Main Section Refer to page 33 for Note Side aSemiconductor Location Side B IC B/D Except US, CND Model C323 R314 C308 AP310 C102 C312 C307 IC Block Diagrams IC501 SN761057DBTIC701 SC111257FCR2 IC601 IC901IC301 AK5354VT IC302 TA2131FLSection Exploded Views Panel SectionCase Upper Silver Case Upper BlueChassis Section 54 A-3323-653-A Main BOARD, Complete Except US,CND58 3-225-632-01 Spring LIMITER, Compression MD Mechanism Deck Section MT-MZR500-172 Section Main Electrical Parts List Ceramic Chip 9PF DiodeDiode UDZ-TE-17-2.4B Jumper ResistorJACK, DC Polarity Unified Type InductorCOIL, Choke Inductor ChipSwitch SWITCH, Slide HoldFILTER, Chip EMI Common Mode Network ResistorAccessories CONNECTOR, Optical Except R501US,EENGLISH,RUSSIAN,HUNGARIAN POLISH,CZECH,SLOVAKIAN Italian AEPMemo Revision History Date Description of Revision