Sony MDS-PC3 specifications Shck MNT1

Page 53

Pin No.

 

 

 

 

 

 

 

Pin Name

I/O

Function

 

 

 

 

 

 

 

 

 

 

 

58

 

 

SHCK (MNT1)

I

Track jump signal input from the CXD2662R

 

 

 

 

 

 

 

 

 

 

 

59

 

 

VCC

—

Power supply (+3.3V)

 

 

 

 

 

 

 

 

 

 

 

60

 

 

EEP-WP

O

EEP-ROM write protect signal output L: write possibility

 

 

 

 

 

 

 

 

 

 

 

61

 

 

SDA

I/O

Data signal input/output pin with the EEP-ROM

 

 

 

 

 

 

 

 

 

 

 

62

 

 

BUSCLK

O

Not used

 

 

 

 

 

 

 

 

 

 

 

63

 

 

OE

O

Not used

 

 

 

 

 

 

 

 

 

 

 

64

 

 

 

 

 

 

 

O

Not used

 

 

CASH

 

 

 

 

 

 

 

 

 

 

 

 

 

65

 

 

 

 

 

 

O

Write signal output

 

 

WE

R/W

 

 

 

 

 

 

 

 

 

 

 

66

 

 

SCL

O

Clock signal output to the EEP-ROM

 

 

 

 

 

 

 

 

 

 

 

67

 

REFLECT-SW

I

Disk reflection rate detection input from the reflect detection switch H: Disk with low reflection rate

 

 

 

 

 

 

 

 

 

 

 

68

 

 

PROTECT-SW

I

Recording-protection claw detection input from the protection detection switch H: Protect

 

 

 

 

 

 

 

 

 

 

 

69

 

 

CS0

O

Chip select signal output to the Flash ROM

 

 

 

 

 

 

 

 

 

 

 

70

 

 

CS1

O

Not used

 

 

 

 

 

 

 

 

 

 

 

71

 

 

CS2

O

Not used

 

 

 

 

 

 

 

 

 

 

 

72

 

 

A20

O

Address bus signal output to Flash ROM (Not used)

 

 

 

 

 

 

 

 

 

 

 

73

 

 

A19

O

Address bus signal output to Flash ROM

 

 

 

 

 

 

 

 

 

 

 

74

 

 

VCC

—

Power supply (+3.3V)

 

 

 

 

 

 

 

 

 

 

 

75

 

 

A18

O

Address bus signal output to Flash ROM

 

 

 

 

 

 

 

 

 

 

 

76

 

 

VSS

—

Ground

 

 

 

 

 

 

 

 

 

 

 

77 to 85

 

 

A17 to A9

O

Address bus signal output to Flash ROM

 

 

 

 

 

 

 

 

 

 

 

86 to 89

 

 

MODEL SEL-1-4

O

Not used

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

90

 

 

WP

O

Write protect signal to the Flash ROM

 

 

 

 

 

 

 

 

 

 

 

91

 

 

VCC

—

Power supply (+3.3V)

 

 

 

 

 

 

 

 

 

 

 

92

 

 

A8

O

Address bus signal output to Flash ROM

 

 

 

 

 

 

 

 

 

 

 

93

 

 

VSS

—

Ground

 

 

 

 

 

 

 

 

 

 

 

94 to 100

 

 

A7 to A1

O

Address bus signal output to Flash ROM

 

 

 

 

 

 

 

 

 

 

 

101

 

 

A0

 

 

O

Not used

 

 

LB

 

 

 

 

 

 

 

 

 

 

 

102 to 113

 

D15 to D4

I/O

Data bus signal input/output to the Flash ROM

 

 

 

 

 

 

 

 

 

 

 

114

 

 

KB.CLK-CTL

O

Not used

 

 

 

 

 

 

 

 

 

 

 

115

 

 

IIC BUSY

I

IIC busy signal input

 

 

 

 

 

 

 

 

 

 

 

116

 

 

KB DATA

I

fixed at H (Pull-up)

 

 

 

 

 

 

 

 

 

 

 

117

 

 

REC-VOL-B

O

Not used

 

 

 

 

 

 

 

 

 

 

 

118

 

 

REC-VOL-A

O

Not used

 

 

 

 

 

 

 

 

 

 

 

119 to 122

 

D3 to D0

I/O

Data bus signal input/output to the Flash ROM

 

 

 

 

 

 

 

 

 

 

 

123

 

 

JOG0

I

JOG encoder signal input

 

 

 

 

 

 

 

 

 

 

 

124

 

 

JOG1

I

JOG encoder signal input

 

 

 

 

 

 

 

 

 

 

 

125

 

 

LATCH (AD)

O

Not used

 

 

 

 

 

 

 

 

 

 

 

126

 

 

 

 

 

O

Not used

 

 

REC

 

 

 

 

 

 

 

 

 

 

 

 

 

127

 

 

L: DIN1/H: CLIP

O

Not used

 

 

 

 

 

 

 

 

 

 

 

128

 

 

CS (FL)

O

Chip select signal output to the display driver

 

 

 

 

 

 

 

 

 

 

 

129

 

 

POWER (IIC)

O

CONTROL-I power ON/OFF signal output

 

 

 

 

 

 

 

 

 

 

 

130

 

 

VSS

—

Ground

 

 

 

 

 

 

 

 

 

 

 

131

 

 

STB

O

Strobe signal output (Not used)

 

 

 

 

 

 

 

 

 

 

 

132

 

 

VCC

—

Power supply. (+3.3V)

 

 

 

 

 

 

 

 

 

 

 

133

 

 

IOP

I

Optical Pick-up IR power level detect signal input

 

 

 

 

 

 

 

 

 

 

 

134

 

 

A/D 6

I

Not used

 

 

 

 

 

 

 

 

 

 

 

135

 

 

A/D-5

I

Not used

 

 

 

 

 

 

 

 

 

 

 

136

 

 

TIMER/BEEP SW

I

Fixed at H (pull up)

 

 

 

 

 

 

 

 

 

 

 

137

 

 

KEY3

I

Fixed at H (pull up)

 

 

 

 

 

 

 

 

 

 

 

138

 

 

KEY2

I

Key input pin (A/D input)

 

 

 

 

 

 

 

 

 

 

 

139

 

 

KEY 1

I

Key input pin (A/D input)

 

 

 

 

 

 

 

 

 

 

 

140

 

 

AVSS

—

Ground (Analog)

 

 

 

 

 

 

 

 

 

 

 

141

 

 

KEY0

I

Key input pin (A/D input)

 

 

 

 

 

 

 

 

 

 

 

142

 

 

VREF

I

A/D reference voltage (Conect in sys 3.3V)

 

 

 

 

 

 

 

 

 

 

 

143

 

 

AVCC

—

BAK 3.3V

 

 

 

 

 

 

 

 

 

 

 

144

 

 

NC

I

Not used

 

 

 

 

 

 

 

 

 

 

 

53

Page 52 Page 54
Image 53
Page 52 Page 54
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 CodesLead free soldering Section Service NotesFlexible Circuit Board Repairing JIG for Checking BD Board Waveform Record Precedure Main Board Component Side Checks Prior to Parts Replacement and AdjustmentsForced Reset 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 ButtonsInformation Meanings of Other DisplaysAutomatic SELF-DIAGNOSIS Function Check before replacement Section Electrical AdjustmentsParts Replacement and Adjustment Adjustment flow Precautions for Adjustments Precautions for Checking Laser Diode EmissionPrecautions for USE of Optical PICK- UP KMS-260B Checks Prior to Repairs Using the Continuously Recorded DiscOther Checks Auto CheckCD Error Rate Check Play Check MO Error Rate CheckLaser Power Adjustment Initial Setting of Adjustment ValueTemperature Compensation Offset Adjutment 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