Sony XR-M510 service manual IC PIN Function Description

Page 38

XR-M510

7-16. IC PIN FUNCTION DESCRIPTION

MAIN BOARD IC601 MB90574BPMT-G-257-BND (SYSTEM CONTROLLER)

Pin No.

Pin Name

I/O

Description

 

 

 

 

 

 

1

NC

O

Not used (open)

 

 

 

 

 

2

AMSIN

I

Whether a music is present or not from CXA2510AQ (IC401) is detected at auto music sensor

“L”: music is present, “H”: music is not present

 

 

 

 

 

 

 

 

 

3

AMSON

O

Tape auto music sensor control signal output to the CXA2510AQ (IC401)

“L” is output to lower the gain for audio level at FF/REW mode

 

 

 

 

 

 

 

 

 

4

SP LATCH

O

Serial data latch pulse output for spectrum analyzer section to the liquid crystal display drive

controller (IC607)

 

 

 

 

 

 

 

 

 

5

ATT

O

Audio line muting on/off control signal output terminal “H”: muting on

 

 

 

 

6

SYSRST

O

System reset signal output to the liquid crystal display drive controller (IC607) and SONY bus

interface (IC501) “L”: reset

 

 

 

 

 

 

 

 

 

7

N/R

O

Forward/reverse direction control signal output to the CXA2510AQ (IC401)

“L”: forward direction, “H”: reverse direction

 

 

 

 

 

 

 

 

 

 

8

VCC

Power supply terminal (+5V)

 

 

 

 

 

 

9

NIL

I

Not used (fixed at “L”)

 

 

 

 

 

10

E2PSIO

I/O

Two-way data bus for tuner EEPROM with the FM/AM tuner unit (TUX100)

 

 

 

 

11

E2PCKO

I/O

Two-way bus clock signal for tuner EEPROM with the FM/AM tuner unit (TUX100)

 

 

 

 

12

FLS SI

I

Flash memory write data input from the liquid crystal display drive controller (IC607)

 

 

 

 

13

FLS SO

O

Flash memory write data output to the liquid crystal display drive controller (IC607)

 

 

 

 

14

BUS-ON

O

Bus on/off control signal output to the liquid crystal display drive controller (IC607) and SONY

bus interface (IC501) “L”: bus on

 

 

 

 

 

 

 

 

 

 

15

BEEP

O

Beep sound drive signal output terminal

 

 

 

 

 

16

TELATT

I

Telephone detection signal input terminal At input of “H”, the signal is attenuated by –20 dB

 

 

 

 

 

17

UNISI

I

Serial data input from the SONY bus interface (IC501)

 

 

 

 

 

 

18

UNISO

O

Serial data output to the SONY bus interface (IC501)

 

 

 

 

 

19

UNICKO

O

Serial clock signal output to the liquid crystal display drive controller (IC607) and SONY bus

interface (IC501)

 

 

 

 

 

 

 

 

 

 

20

IFWIDTH

O

Not used (open)

 

 

 

 

 

 

21, 22

NC

O

Not used (open)

 

 

 

 

 

 

23

MTLOUT

O

METAL on/off control signal output to the CXA2510AQ (IC401)

“H”: METAL on

 

 

 

 

24

SIRCS

I

Sircs remote control signal input from the remote control receiver (IC900, 903)

 

 

 

 

 

25

DSPSI

I

Not used (open)

 

 

 

 

 

 

26

DSPSO

O

Not used (open)

 

 

 

 

 

 

27

DSPCKO

O

Not used (open)

 

 

 

 

 

 

28

DSPPLL

O

Not used (open)

 

 

 

 

 

 

29

DSPMST

O

Not used (open)

 

 

 

 

 

 

30

SHIFT

O

Not used (open)

 

 

 

 

 

31

VOLATT

O

Pre amplifier muting on/off control signal output to the electrical volume (IC100)

“L”: muting on

 

 

 

 

 

 

 

 

 

32

TUATT

O

Muting on/off control signal output of the FM/AM tuner signal “L”: muting on

 

 

 

 

 

33

VSS

Ground terminal

 

 

 

 

 

 

34

C

Connected to coupling capacitor for the power supply

 

 

 

 

 

 

35

DSPLAT

O

Not used (open)

 

 

 

 

 

 

36

DSPRST

O

Not used (open)

 

 

 

 

 

 

37

ANT CUT

O

Tuner system power supply on/off control signal output terminal

“H”: tuner power on

Not used (open)

 

 

 

 

 

 

 

 

 

 

38

DVCC

Power supply terminal (+5V) (for D/A converter)

 

 

 

 

 

 

39

DVSS

Ground terminal (for D/A converter)

 

 

 

 

 

 

38

Image 38
Contents Specifications Cassette type Dolby B NR Dolby NR offDiagrams Table of ContentsMechanical Adjustments Electrical Adjustments GeneralPrecaution on OPEN/CLOSE Front Panel Section Servicing NotesSection GeneralChanging the sound and display settings Precautions Precauciones Säkerhetsföreskrifter PrecauçõesBotón de restauración Πλήκτρ Reset button Botão de reinicializaçãoDashboard Salpicadero Instrumentbrädan NollställningsknappenDiagrama de ligação de corrente Diagrama de conexión de alimentaciónStrömanslutningsschema Notas de ejemplo de conexionesUtrustning som visas Equipamento utilizado nas Anslutningarna enligt exemplet Connection exampleEjemplo de conexiones Exemplo de ligaçõesSection Disassembly Mechanism Deck MG-25E-136Front Panel Assy Motor Block ASSY, CAM R AssySUB Panel XR SUB Assy Main BoardHeat Sink CAM R Assy Section AssemblyFront Panel Machinery Motor Block Assy Screw PTT2.6 ⋅ Motor block assy Connector CN501 Cam R assy Mechanism Deck ARM SuctionLever LDG-A / LDG-B Gear LDG-FTGuide C Mounting Position of CAPSTAN/REEL Motor M901Tape Deck Section Section Mechanical AdjustmentsSection Electrical Adjustments Disc buttons Tuner SectionSection Diagrams Block Diagram TUNER/TAPE SectionBlock Diagram Main Section MPXBlock Diagram -DISPLAY/BUS Control Section SPE-INBlock Diagram Power Supply Section +5V RegulatorWaveforms Main Board Printed Wiring Boards Main Board Component Side Semiconductor LocationPrinted Wiring Boards Main Board Conductor Side XR-M510 XR-M510 XR-M510 XR-M510 Printed Wiring Boards SUB Board Schematic Diagram SUB Board Printed Wiring Boards Display Board Schematic Diagram Display Board See page 25 for Waveforms TDA7402TR IC501 BA8270FV-E2 IC PIN Function Description Main Board IC601 MB90574BPMT-G-257-BND System ControllerAvcc Accin LED SW2 PE0 PE1 LCDCE0 Ground terminal for A/D converter SUB Panel Section Cord with Connector ISO PowerExploded Views 65 A-3283-095-A Display BOARD, Complete Front Panel Section55 1-694-685-11 Conductive BOARD, Connection LIST. ENTER. SOUND. Menu107 A-3326-298-A Switch BOARD, Complete Main Board SectionM901 A-3291-665-A Motor ASSY, Main CAPSTAN/REEL Mechanism Deck Section MG-25E-136165 A-3220-607-A Mechanism Deck Assy Section Electrical Parts List DisplayDisplay Main CAPACITOR/SHORT MainBuzzer ElectBUS Audio IN, Audio OUT REAR/FRONT ConnectorElect Block Diode UDZS-TE17-5.6BKRC103S KRA103SR260 216-821-11 Main SUB Switch