Sony MDS-PC3 specifications IC PIN Functions, IC101 CXA2523AR RF Amplifier BD Board

Page 49

6-11. IC PIN FUNCTIONS

• IC101 CXA2523AR RF Amplifier (BD BOARD)

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 CXD2662R

 

 

 

 

17

SCLK

I

Serial clock input from the CXD2662R

 

 

 

 

18

XLAT

I

Latch signal input from the CXD2662R “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 CXD2662R

 

 

 

 

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 CXD2662R

 

 

 

 

27

CSLED

—

External capacitor connection pin for the sled error signal LPF

 

 

 

 

28

SE

O

Sled error signal output to the CXD2662R

 

 

 

 

 

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 CXD2662R

 

 

 

 

33

AUX

O

I3 signal/temperature signal output to the CXD2662R

(Switching with a serial command)

 

 

 

 

 

 

 

34

FE

O

Focus error signal output to the CXD2662R

 

 

 

 

35

ABCD

O

Light amount signal output to the CXD2662R

 

 

 

 

36

BOTM

O

RF/ABCD bottom hold signal output to the CXD2662R

 

 

 

 

37

PEAK

O

RF/ABCD peak hold signal output to the CXD2662R

 

 

 

 

38

RF

O

RF equalizer output to the CXD2662R

 

 

 

 

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

49

Page 48 Page 50
Image 49
Page 48 Page 50
Contents MDS-PC3 SpecificationsTOC t Edit t TOC Edit t blank t SELF-DIAGNOSIS FunctionItems of Error History Mode Items and Contents Disassembly Table of ContentsDiagrams Table of Error CodesFlexible Circuit Board Repairing Section Service NotesLead free soldering JIG for Checking BD Board Waveform Record Precedure Forced Reset Checks Prior to Parts Replacement and AdjustmentsMain Board Component Side Bit Binary Retry Cause Display ModeHexadecimal t Binary Conversion Table General Section Remote Parts DescriptionUsing the Display Hooking Up MD Mechanism Deck MDM-7A Section DisassemblyOver Light Head HR901, BD MD Board Main BoardLoading Motor Assy M103 Holder AssyOptical PICK-UP MD KMS-260B/JIN Sled Motor Assy M102, SliderSpindle Motor Assy M101 Precautions for USE of Test Mode Section Test ModeSetting the Test Mode Exiting the Test ModeDisplay Details Mark Group Selecting the Test ModeOperating the Continuous Playback Mode Mode display Test Mode DisplaysError rate display Functions of Other ButtonsAutomatic SELF-DIAGNOSIS Function Meanings of Other DisplaysInformation Parts Replacement and Adjustment Section Electrical AdjustmentsCheck before replacement Adjustment flow Precautions for USE of Optical PICK- UP KMS-260B Precautions for Checking Laser Diode EmissionPrecautions for Adjustments Checks Prior to Repairs Using the Continuously Recorded DiscOther Checks Auto CheckCD Error Rate Check Play Check MO Error Rate CheckTemperature Compensation Offset Adjutment Initial Setting of Adjustment ValueLaser Power Adjustment Iop NV Save Traverse AdjustmentFocus Bias Adjustment Auto Gain Control Output Level Adjustment Error Rate CheckCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Diagrams MDS-PC3 Block Diagrams BD SectionSclk Cclk Main SectionSemiconductor Printed Wiring Board BD SectionPIN Function MDS-PC3 Printed Wiring Board Main Section PIN Functon MDS-PC3 Printed Wiring Board Panel Section Schematic Diagram Panel Section See page 35 for Waveforms IC101 CXA2523AR BD Board IC Block DiagramsLB1830M-S-TE-L Main Board BH3541F-E2 Main Board IC101 CXA2523AR RF Amplifier BD Board IC PIN FunctionsMNT0 FOK Mvci IC300 M30805SGP Main Board Shck MNT1 Chassis Section Section Exploded Views319 302 320 317 304 308 303 305 306 301 318 307 Mechanism MDM-7A351 MechanismRemarks Ref. No Description Section Electrical Parts ListMetal Chip Main PIN, Connector 2P Diode Main Panel KEY REFLECT/PROTECT SW MDS-PC3 Panel
Top Page Image Contents