Sony CDX-GT50W, CDX-GT500EE, CDX-GT550 service manual Mecon CHK, Cdon CHK

Page 37

CDX-GT50W/GT500/GT500EE/GT550

Pin No.

Pin Name

I/O

 

Pin Description

 

 

 

 

 

 

 

64

CDON

O

Servo power supply control signal output

H: power on

65

XUART

I

Sony-Bus/MC-Bus change signal input

H: Sony-Bus, L: MC-Bus

66

ZMUTE

O

Zero detection mute signal output

 

67

MECON CHK

I

MECON rising detection signal input

 

68

CDON CHK

I

CDON rising detection signal input

 

69 to 74

 

NC

—

Not used. (Open)

 

 

75

 

 

 

I

System reset signal input

 

RSTX

 

76

 

NC

—

Not used. (Open)

 

 

77

 

X1A

—

Sub-clock connect pin

Not used in this set. (Open)

78

 

X0A

—

Sub-clock connect pin

Not used in this set. (Connect to Vss.)

79

 

VSS

—

Ground pin

 

 

80

 

X0

I

Main-clock connect pin (12 MHz)

 

81

 

X1

O

Main-clock connect pin (12 MHz)

 

82

 

VCC

—

Power supply pin (+3.3 V)

 

83

 

XWD

I

Not used in this set. (Open)

 

84

XINIT3

I

Not used in this set. (Open)

 

85

 

NC

—

Not used. (Open)

 

 

86

XSJIG

I

Not used in this set. (Open)

 

87 to 89

XINIT0 to 2

I

Not used in this set. (Open)

 

90 to 96

 

NC

—

Not used. (Open)

 

 

97

XDES

I

Mode select pin

 

 

98

XLINE

I

Not used in this set. (Open)

 

99, 100

 

NC

—

Not used. (Open)

 

 

37

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Contents Ver .0 2005 SpecificationsCDX-GT50W/GT500/GT500EE/GT550 Service NotesLead Free Mark Unleaded SolderDisassembly Table of Contents GeneralDiagrams Exploded ViewsCDX-GT500 AEP, UK Model CDX-GT50W/GT500 US, Canadian ModelCDX-GT550 CDX-GT500EERemote ConnectionsConnection diagram To AMP Remote in of an optional power amplifier Diagrama de conexión Section Disassembly CD Mechanism Block SUB FL Panel AssyChassis T SUB Assy Main BoardChassis OP Assy Roller ARM AssySL Motor Assy M902 Optical PICK-UPServo Board LE Motor Assy M903Block Diagram CD Section Section DiagramsBlock Diagram Main Section DISP+3.3V Block Diagram Display SectionServo Board CD Play WaveformsKEY Board Circuit Boards LocationFMA6 IC1 IC2 IC3 IC6FB3 IC B/D Side B Semiconductor LocationCDX-GT50W/GT500/GT500EE/GT550 IC B/D IC B/D R735 FMA4 Schematic Diagram SUB Section SUB Board CN801 Schematic Diagram KEY Section Refer to page 20 for Waveforms IC1 BA5968FP-E2 Servo Board 2/2 IC Block DiagramsIC450 BA8271F-E2 Main Board 2/3 IC401 TDA7419TR Main Board 1/3 IC Pin Descriptions Cdon CHK Mecon CHKRDS on IC711 MB90487APF-G-162E1 System Control Main Board 3/3Buin Reset NCONCO SircsExcept AEP,UK,EE Main SectionCAP Fuse Blade Type Auto Fuse 10APanel SV ASSY, Front GT550 Front Panel SectionPanel SV ASSY, Front GT50W FL900 1-519-842-11 Vacuum Fluorescent Display103 106 107 101 104 105 108 CD Mechanism MG-611WA-186//Q108 A-1132-412-A Servo BOARD, Complete 153 CD Mechanism MG-611WA-186//Q 155 156 157 154152 151 206 202 207 209 208 210203 211 204 205 CD Mechanism MG-611WA-186//Q 254 255 252 258 256 251253 257 KEY SWITCH, Tactile with LED OFF SwitchSWITCH, Tactile with LED Dspl SWITCH, Tactile with LED SensSWITCH, Tactile EQ3 SWITCH, Tactile DSOSWITCH, Tactile 3/REP SWITCH, TactileElect MainPLUG, Connector 3P PIN, Connector 16PPLUG, Connector BUS Control AEP,UKDiode UDZW-TE17-5.6B Diode BAT54CLT1GDiode UDZW-TE17-6.2B Diode UDZW-TE17-9.1BDescription Remark R204 216-825-11 AEP,UK,E,CH,MX SWITCH, Tactile ResetTransformer VibratorSensor Servo Servo SUB Short Chip Switch SW1Miscellaneous Optical PICK-UP KSS1000E/K1RP301 302 303 304 305 307 306 308 309 310 Memo Revision History
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