Sony CDX-GT210, CDX-GT21W, CDX-GT260S service manual IC PIN Descriptions, Cyrilsel

Page 29

CDX-GT21W/GT210/GT260/GT260S

•IC PIN DESCRIPTIONS

•IC501 MB90F045PF-G-9014-SPE1 (SYSTEM CONTROL) (MAIN BOARD (3/3))

Pin No.

 

Pin Name

I/O

 

Pin Description

 

 

 

 

 

 

 

 

 

1

AREASEL0

I

Destination setting pin

 

 

 

 

 

 

 

 

 

 

2

AREASEL1

I

Destination setting pin

 

 

 

 

 

 

 

 

 

3

AREASEL2

I

Frequency select signal input

 

 

 

 

 

 

 

 

4

B-OUT SEL

I

Blackout existence distinction signal input (L: blackout none, H: blackout)

 

 

 

 

 

 

 

 

 

5

 

 

BEEP

O

BEEP signal output

 

 

 

 

 

 

 

 

 

6

CYRIL_SEL

I

Distinction pin for Cyril word. (L: not for the Kiril word, H: for the Kiril word)

 

 

 

 

 

 

 

 

7

 

 

 

 

 

I

Front panel detaching detection signal input (L: Panel on, H: Panel off)

NOSE_SW

 

 

 

 

 

 

 

 

8

 

 

DIAG

I

Status signal input from power amplifier.

 

 

 

 

 

 

 

 

9

 

 

 

 

O

Electronic volume attenuate control signal output.

 

 

VOLATT

 

 

 

 

 

 

 

 

 

10

 

 

NCO

O

Not used. (Open)

 

 

 

 

 

 

 

 

 

 

11

 

 

VSS

—

Ground

 

 

 

 

 

 

 

 

 

12

 

 

TUATT

O

Tuner mute control signal output

 

 

 

 

 

 

 

 

 

13

 

NSMASK

O

Noise mask signal output

Not used in this set. (Open)

 

 

 

 

 

 

 

 

14

ILLUMI_SEL1

I

Illumination voltage setting pin

 

 

 

 

 

 

 

 

15

ILLUMI_SEL2

I

Illumination voltage setting pin

 

 

 

 

 

 

 

 

 

16, 17

 

 

NCO

O

Not used. (Open)

 

 

 

 

 

 

 

 

 

 

18 to 20

 

 

NCO

O

Not used. (Open)

 

 

 

 

 

 

 

 

 

 

21, 22

 

 

NCO

O

Not used. (Open)

 

 

 

 

 

 

 

 

 

 

23

 

 

VCC5

—

Power supply (+3.3V)

 

 

 

 

 

 

 

 

 

24

 

EEP_SIO

I/O

EEPROM bus serial data input/output

 

 

 

 

 

 

 

 

25

 

EEP_CKO

O

EEPROM bus serial clock output

 

 

 

 

 

 

 

 

26

 

AMPSTB

O

Power AMP standby signal output

 

 

 

 

 

 

 

 

27

 

LCD_CE

O

LCD driver chip enable signal output

 

 

 

 

 

 

 

 

28

 

LCD_SO

O

LCD driver serial data signal output

 

 

 

 

 

 

 

 

29

 

LCD_SCK

O

LCD driver serial clock signal output

 

 

 

 

 

 

 

 

 

30

 

RDS ON

O

RDS ON signal output

Not used in this set. (Open)

 

 

 

 

 

 

 

 

31

 

 

RE-IN0

I

Rotary encoder signal input 0

 

 

 

 

 

 

 

 

32

 

 

RE-IN1

I

Rotary encoder signal input 1

 

 

 

 

 

 

 

 

33

 

I2C_CKO

O

I2C bus serial clock signal output

 

 

 

 

 

 

 

 

34

 

I2C_SIO

I/O

I2C bus serial data signal input/output

 

 

 

 

 

 

 

 

35

 

 

DAVDD

—

A/D converter power supply (+3.3V)

 

 

 

 

 

 

 

 

36

 

 

AVRH

—

A/D converter external reference power supply (+3.3V)

 

 

 

 

 

 

 

 

 

37

 

 

DAVSS

—

A/D converter Ground

 

 

 

 

 

 

 

 

 

 

38

 

QUALITY

I

Noise detect signal input

 

 

 

 

 

 

 

 

 

39

 

 

VSM

I

S-meter voltage detect signal input

 

 

 

 

 

 

 

 

 

40

 

 

KEYIN1

I

Key signal input 1

 

 

 

 

 

 

 

 

 

 

41

 

 

KEYIN0

I

Key signal input 0

 

 

 

 

 

 

 

 

 

 

42

 

 

VSS

—

Ground

 

 

 

 

 

 

 

 

 

43

 

 

RC_IN0

I

Rotary commander key signal input Not used in this set. (Pull up)

 

 

 

 

 

 

 

 

 

44 to 48

 

 

NCO

O

Not used. (Open)

 

 

 

 

 

 

 

 

 

49

 

 

MD0

I

Operation mode setting pin (Pull up)

 

 

 

 

 

 

 

 

50

 

 

MD1

I

Operation mode setting pin (Pull up)

 

 

 

 

 

 

 

 

51

 

 

MD2

I

Operation mode setting pin (Pull down)

 

 

 

 

 

 

 

 

52

 

KEYACK

I

Key acknowledgment detect signal input

 

 

 

 

 

 

 

 

53

 

TU_ATTIN

I

Tuner mute zero cross detect signal input Not used in this set. (Pull down)

 

 

 

 

 

 

 

 

54

 

 

BUIN

I

Back-up power supply detect signal input

 

 

 

 

 

 

 

 

 

55

 

 

NCO

O

Not used. (Open)

 

 

 

 

 

 

 

 

 

56

 

 

DAVN

I

RDS data block synchronized detect signal input Not used in this set. (Pull down)

 

 

 

 

 

 

 

 

 

29

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Contents Ver .2 SpecificationsCDX-GT21W/GT210/GT260/GT260S Service NotesCD Playback Unleaded SolderLead Free Mark Disassembly Table of Contents GeneralDiagrams Exploded ViewsLocation of Control CDX-GT21W US SectionConnections CDX-GT21W US Main unitConnection diagram Diagrama de conexión Connections CDX-GT21W CND/GT210 Location of Control CDX-GT21W CND/GT210Connection diagram Connections CDX-GT260/GT260S Location of Control CDX-GT260/GT260SConnection diagram Disassembly CD Mechanism Block SUB Panel LCD AssyServo Board Main BoardRoller ARM Assy Chassis T SUB AssyChassis OP Assy Reset count by watchdog timer display mode Reset count display modeNumber of connected units display mode Operating hours display modeDisc type and operating hours 1 X X X X 051Memo Block Diagram Main Section Section DiagramsFor schematic diagrams Block Diagram Display SectionFor printed wiring boards Main BoardSemiconductor Location Printed Wiring Board Main SectionUses unleaded solder IC B/D IC B/D Refer to page 29 for IC Pin Descriptions Schematic Diagram Main /3Refer to page 20 for Waveforms OFF Printed Wiring Board KEY SectionSchematic Diagram KEY Section IC401 BD3444FS-E2 Main Board 1/3 IC Block DiagramsIC750 TDA8588BJ/N2/R1 Main Board 2/3 Cyrilsel IC PIN DescriptionsUnisi Pin No Pin Name Pin DescriptionMain Section Section Exploded Views5756 Front Panel Section107 CD Mechanism Section MG-101TA-188//QKEY Electrical Parts ListTransistor KEY Main SWITCH, Tactile ModeMain Main Servo 151 152 153 154 155 156 Memo 887-375-81 Disassembly Chucking ARM SUB AssySled Motor Assy Optical PICK-UP Optical PICK-UP SectionRevision History
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