Sony MDS-JD320 IC PIN Functions, IC101 RF Amplifier CXA2523R Pin No Pin Name Function

Page 38

6-15. IC PIN FUNCTIONS

• IC101 RF Amplifier (CXA2523R)

Pin No.

Pin Name

I/O

 

Function

 

 

 

 

1

I

I

I-V converted RF signal I input

 

 

 

 

2

J

I

I-V converted RF signal J input

 

 

 

 

3

VC

O

Middle point voltage (+1.5V) generation output

 

 

 

 

4 to 9

A to F

I

Signal input from the optical pick-up detector

 

 

 

 

 

10

PD

I

Light amount monitor input

 

 

 

 

 

 

11

APC

O

Laser APC output

 

 

 

 

 

12

APCREF

I

Reference voltage input for setting laser power

 

 

 

 

 

13

GND

—

Ground

 

 

 

 

 

14

TEMPI

I

Temperature sensor connection

 

 

 

 

15

TEMPR

O

Reference voltage output for the temperature sensor

 

 

 

 

16

SWDT

I

Serial data input from the CXD2650R or CXD2652AR

 

 

 

 

17

SCLK

I

Serial clock input from the CXD2650R or CXD2652AR

 

 

 

 

18

XLAT

I

Latch signal input from the CXD2650R or CXD2652AR “L”: Latch

 

 

 

 

19

XSTBY

I

Stand by signal input “L”: Stand by

 

 

 

 

20

F0CNT

I

Center frequency control voltage input of BPF22, BPF3T, EQ from the CXD2650R or

CXD2652AR

 

 

 

 

 

 

 

 

 

21

VREF

O

Reference voltage output (Not used)

 

 

 

 

22

EQADJ

I/O

Center frequency setting pin for the internal circuit EQ

 

 

 

 

23

3TADJ

I/O

Center frequency setting pin for the internal circuit BPF3T

 

 

 

 

 

24

Vcc

—

+3V power supply

 

 

 

 

 

25

WBLADJ

I/O

Center frequency setting pin for the internal circuit BPF22

 

 

 

 

26

TE

O

Tracking error signal output to the CXD2650R or CXD2652AR

 

 

 

 

27

CSLED

—

External capacitor connection pin for the sled error signal LPF

 

 

 

 

28

SE

O

Sled error signal output to the CXD2650R or CXD2652AR

 

 

 

 

 

29

ADFM

O

FM signal output of ADIP

 

 

 

 

 

 

30

ADIN

I

ADIP signal comparator input

ADFM is connected with AC coupling

 

 

 

 

31

ADAGC

—

External capacitor connection pin for AGC of ADIP

 

 

 

 

32

ADFG

O

ADIP duplex signal output to the CXD2650R or CXD2652AR

 

 

 

 

33

AUX

O

I3 signal/temperature signal output to the CXD2650R or CXD2652AR

(Switching with a serial command)

 

 

 

 

 

 

 

34

FE

O

Focus error signal output to the CXD2650R or CXD2652AR

 

 

 

 

35

ABCD

O

Light amount signal output to the CXD2650R or CXD2652AR

 

 

 

 

36

BOTM

O

RF/ABCD bottom hold signal output to the CXD2650R or CXD2652AR

 

 

 

 

37

PEAK

O

RF/ABCD peak hold signal output to the CXD2650R or CXD2652AR

 

 

 

 

38

RF

O

RF equalizer output to the CXD2650R or CXD2652AR

 

 

 

 

39

RFAGC

—

External capacitor connection pin for the RF AGC circuit

 

 

 

 

 

40

AGCI

I

Input to the RF AGC circuit

The RF amplifier output is input with AC coupling

 

 

 

 

41

COMPO

O

User comparator output (Not used)

 

 

 

 

42

COMPP

I

User comparator input (Fixed at “L”)

 

 

 

 

43

ADDC

I/O

External capacitor pin for cutting the low band of the ADIP amplifier

 

 

 

 

44

OPO

O

User operation amplifier output (Not used)

 

 

 

 

45

OPN

I

User operation amplifier inversion input (Fixed at “L”)

 

 

 

 

 

46

RFO

O

RF amplifier output

 

 

 

 

 

47

MORFI

I

Groove RF signal is input with AC coupling

 

 

 

 

 

48

MORFO

O

Groove RF signal output

 

• Abbreviation

APC: Auto Power Control

AGC: Auto Gain Control

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Contents Specifications MDM-3GCFlexible Circuit Board Repairing VarnigDiagrams Table of ContentsDisassembly Exploded ViewsSELF-DIAGNOSIS Function Self-Diagnosis FunctionJIG for Checking BD Board Waveform Forced ResetSection Servicing Note Main Board Component SideRetry Cause Display Mode Fluorescent Display Tube SignsHexadecimal nBinary Conversion Table Section General Location of Parts and ControlsBracket T, L and R Section DisassemblyCase and Front Panel Assembly BD Board SUB ChassisShutter Assembly Over Write HeadSlider Complete Assembly Section Test Mode Non-Volatile Memory Mode Operating the Continuous Playback ModeOperating the Continuous Recording Mode MIDMeanings of Other Displays Test Mode DisplaysFunctions of Other Buttons Precautions for USE of Optical PICK- UP KMS-260A Section Electrical AdjustmentsPrecautions for Checking Laser Diode Emissinon Precautions for AdjustmentsSpecified Value Temperature Compensation Offset AdjutmentLaser Power Adjustment Traverse Adjustment Traverse WaveformAdjusting Points and Conneting Points Focus Bias AdjustmentError Rate Check MDS-JE320Optical PICK-UP Block MDS-JE320 Section DiagramsBlock Diagrams MainMain Section RECWaveform For schematic diagramsFor printed wiring boards Semiconductor Printed Wiring Board BD SectionLocation Schematic Diagram BD /2 See page 26 for Waveforms See page 49 for IC Block Diagrams Printed Wiring Board Main Section Main BoardSchematic Diagram Main /3 MDS-JE320 Schematic Diagram Main /3 Eject SW Board Printed Wiring Board Display SectionDisplay Board Schematic Diagram Display Section Printed Wiring Board Switch Section Schematic Diagram Switch Section BD section IC101 CXA2523R IC Block DiagramsIC121 CXD2650R IC121 CXD2652AR IC152 BH6511FSMain section IC301 LA9615 IC171 XL24C01AFIC192 L88MS33T IC307 CXD8607NIC308 M5218AL IC309 LA5620 IC310 M5293L IC311 LB1641IC PIN Functions IC101 RF Amplifier CXA2523R Pin No Pin Name FunctionMNT2 Xbusy MNT0 FOKMNT1 Shck MNT3 SlocPin No Pin Name Function Frdr TfdrFfdr FS4IC307 A/D, D/A converter CXD8607N Pin No Pin Name Function Lvdd TEST2TEST3 LvssDaout Timer SWPower Down ChuckLED0 MNT2MNT3 BUS OUTDA-RST DIG-RSTBeep Dsel A, Dsel BSection Exploded Views Main SectionPanel ASSY, Front US,CND Front Panel Section6059 Button Main203 204 205 206 207 Mechanism Deck MDM-3GC201 202 209 208257 258 260 271 252253 254 259 Section Electrical Parts List Short TC74ACT540FSInductor Chip InductorControl SW Display Eject SW Main SN74HCU04AN NJM78L06ANJM79L12A Line FilterMDS-JE320 Main

MDS-JD320 specifications

The Sony MDS-JD320 is a MiniDisc recorder that exemplifies the cutting-edge technology of the late 1990s and early 2000s. Designed for both amateur and professional audiophiles, it delivers superior sound quality and an array of features that enhance user experience and functionality. Key to its appeal is its remarkable sound reproduction capabilities, which are achieved through Sony's proprietary technologies, including the ATRAC (Adaptive Transform Acoustic Coding) compression format. This format allows for efficient audio storage without sacrificing sound fidelity, ensuring that each recording is as rich and dynamic as the original source.

One of the standout features of the MDS-JD320 is its ability to create, edit, and playback CDs and MiniDiscs with remarkable ease. Thanks to its digital optical input and output, users can connect the device to various audio sources, such as CD players or mixing boards, to make high-quality recordings. The device supports various recording modes, including long play, which enables users to extend their recording time without significant compromise on audio quality.

The MDS-JD320 also boasts a user-friendly interface, which includes an LCD display that conveniently shows essential information such as track numbers, remaining time, and recording mode. Furthermore, an intuitive remote control offers added convenience, allowing users to navigate through their music collections without having to physically interact with the device.

In terms of connectivity, the MDS-JD320 features not only digital inputs and outputs but also analog connections, making it versatile for various setups. Additionally, the device includes extensive editing features, such as track splitting, combining, and renaming, empowering users to customize their recordings easily.

Moreover, the MDS-JD320's compact design fits seamlessly into any audio setup, making it an attractive choice for both home recording enthusiasts and professionals. Its durable build quality ensures longevity, while its performance continues to impress even in today's digital audio landscape.

With its powerful combination of advanced technologies, ease of use, and high-quality audio performance, the Sony MDS-JD320 remains a sought-after component for collectors and audiophiles alike, representing an enduring legacy in the field of portable digital media solutions.
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