Sony Ericsson CDX-M620 service manual Open KEY

Page 30

CDX-M620/M670

Pin No.

Pin Name

I/O

Pin Description

 

 

 

 

57

DDC ON

O

DC/DC converter power control signal

 

 

 

 

58

CD EJECT OK

O

CD eject control signal

 

 

 

 

59

CD OPEN REQ

I

Front panel open request signal

 

 

 

 

60

(NCO)

O

Not used. (Open)

 

 

 

 

61

OPEN KEY

I

OPEN key detection signal

 

 

 

 

62

NOSE SW

I

Nose SW detection signal

 

 

 

 

63

VSS

—

Ground

 

 

 

 

64

DETACH SW

I

Detach SW detection signal

 

 

 

 

65

PWM

I

Oscillation frequency count input

 

 

 

 

66 – 68

(NCO)

O

Not used. (Open)

 

 

 

 

69

FLASH W

I

Flash write-in signal

 

 

 

 

70

I2C SIO

I/O

I2C serial data input/output

 

 

 

 

71

I2C CKO

I/O

I2C serial clock input/output

 

 

 

 

72

RC IN1

I

Rotary commander input 1

 

 

 

 

73

X1A

—

Crystal oscillator (32.768 kHz)

 

 

 

 

74

X0A

—

Crystal oscillator (32.768 kHz)

 

 

 

 

75

DAVN

I

RDS data acquisition detect signal

 

 

 

 

76

CDON IN

I

CD mechanism power control signal

 

 

 

 

77

BU IN

I

Back-up power detection signal

 

 

 

 

78

DSP READY

I

DSP ready signal

 

 

 

 

79

KEY ACK

I

Key acknowledge signal

 

 

 

 

80

AD ON

O

A/D converter power control signal

 

 

 

 

81

ACC IN

I

Accessory key ON signal

 

 

 

 

82

FLS PWON

O

Flash power ON control signal

 

 

 

 

83

PW ON

O

Audio circuit power ON control signal

 

 

 

 

84

TEST IN

I

Test mode initial setting detection signal

 

 

 

 

85

RAM BU

I

RAM reset detection signal

 

 

 

 

86

HSTX

I

Hardware standby input

 

 

 

 

87

MD2

I

Connecting to ground in this set.

 

 

 

 

88

MD1

I

Connecting to VCC in this set.

 

 

 

 

89

MD0

I

Connecting to VCC in this set.

 

 

 

 

90

RSTX

I

Reset input

 

 

 

 

91

VSS

—

Ground

 

 

 

 

92

X0

—

Crystal oscillator (3.68 MHz)

 

 

 

 

93

X1

—

Crystal oscillator (3.68 MHz)

 

 

 

 

94

VCC

—

Power supply pin (+5 V)

 

 

 

 

95

ILL IN

I

Illumination dimmer control signal

 

 

 

 

96

I DET

I

OPEN/CLOSE motor abnormal current detection

 

 

 

 

97

MOT –

O

OPEN/CLOSE motor control signal

 

 

 

 

98

MOT +

O

OPEN/CLOSE motor control signal

 

 

 

 

99

CLOSE SW

I

Close SW detection signal

 

 

 

 

100

OPEN SW

I

Open SW detection signal

 

 

 

 

101

CENT SW

I

Cent SW detection signal

 

 

 

 

102

(NCO)

O

Not used. (Open)

 

 

 

 

103

CDMD SEL

I

CD/MD selector signal

 

 

 

 

104

DEST SEL1

I

Destination selector signal 1

 

 

 

 

105

DEST SEL2

I

Destination selector signal 2

 

 

 

 

106

BOOT

O

Display CPU write-in control signal

 

 

 

 

107

(NCO)

O

Not used. (Open)

 

 

 

 

108

DSP ON

O

DSP power control signal

 

 

 

 

109

SENS ON

O

Not used. (Open)

 

 

 

 

110

EMPH IN

I

Emphasis input

 

 

 

 

111

PACK IN

I

Pack detection signal

 

 

 

 

30

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Contents Specifications CDX-M620/M670Service Notes US modelAEP/UK model Phase Alignment Table of ContentsDisassembly DiagramsSection General US Model AEP, UK, E ModelUS, AEP, UK, E Model US Model AEP, UK, E Model CDX-M620/M670 CDX-M620/M670 US, AEP, UK, E Model CDX-M620/M670 Connection CDX-M620/M670 AEP, UK, E Model Connection CDX-M620/M670 Front Panel Assy Normal Section DisassemblyFront Panel Assy Inoperative CD Mechanism BLOCK, Front Panel KEY AssySUB Panel CD SUB Assy Motor Block ASSY, CAM R AssyMain Board Heat SinkChassis T SUB Assy Lever SectionServo Board Shaft Roller AssyFloating Block Assy Optical PICK-UP BlockSection Phase Alignment ARM A-L ASSY, ARM B-L AssyCAM L Motor Block Alignment Between ARM A-L Assy and ARM B-L AssyARM A-R ASSY, ARM B-R Assy CAM RSection Diagrams IC PIN DescriptionsRfdc IC5 CXP84640-072Q CD System Control Servo Board Self SW SYS RST Open KEY 4V SEL IC702 HD643255A36F SUB System Control Main Board Circuit Boards Location Block Diagram CD Section Ch same as L-chBlock Diagram Tuner Section Display SectionBlock Diagram Display Section Waveforms Servo Board Waveforms Main BoardPrinted Wiring Boards CD Mechanism Section IC1 IC5 IC7 IC B/D IC B/D Printed Wiring Boards Main Section CDX-M620/M670 IC B/D IC B/D CDX-M620/M670 CDX-M620/M670 Printed Wiring Board SUB CD Section CDX-M620/M670 Printed Wiring Board KEY Section LED5 LED14 LED6 LED15 LED7 LED16Schematic Diagram KEY Section Printed Wiring Board Display Section IC B/D IC Block Diagrams IC102 RN5VD53AA-TLIC305 TDA7406TR IC62, 901 RRX9000-0601Cover Section Exploded ViewsChassis Section SUB CD BoardCAM Section 64 #2108 114 107 112 110 115 109 111 104 Main Board Section113 106 105 107168 166 Front Panel KEY Assy Section171 172 173 170 174 169 164 165 167 163 162 159 161 160Front Panel Dspl Assy Section 261 260 267 258 CD Mechanism MG-383Z-121//K 254253 257 259 251 266 265 264 256 255 263 262CD Mechanism MG-383Z-121//K 304 301 306 307 308 310 314 312 313 305303 311 309 302309 A-3307-422-A Chassis M Complete Assy 358 353 CD Mechanism MG-383Z-121//K 351357 352 359 356 360 354 355 361Electrical Parts List SectionDisplay Display Disc in SW KEY KEY Limit SW Buzzer MainMain BOARD, Complete AEP,UK,E ElectRef. No Description Remark C306 162-965-11 PIN, Connector 6P PIN, Connector 16PPLUG, Connector BUS Control CONNECTOR, Flexible 11PTransistor KRC103S COIL, ChokeInductor Transistor KRA103SEXCEPTM670US Short Description Remark R389 216-829-11 THERMISTOR, Positive Tuner Main ServoTHERMISTOR, Positive Servo BOARD, Complete CapacitorJumper Resistor ServoCN3 Transistor 2SB1197K-T-146-R ResistorServo SUB CD 401 402 404 403 407 408 409 405 406 410 411 412 413414 Revision History
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