Sony MX-E501 service manual AVS2 Avss

Page 49

MZ-E501

Pin No.

Pin Name

I/O

Description

 

 

 

 

47

FE

I

Focus error signal input

48

AUX1

I

Support signal input (A/D input)

 

 

 

 

49

VC

I

Middle point voltage input

 

 

 

 

50

ADIO

O

Not used (open)

51

ADRT

I

A/D converter the upper limit voltage input

 

 

 

 

52

AVD2

AVDD

53

AVS2

AVSS

 

 

 

 

54

ADRB

I

A/D converter the lower limit voltage input

55

SE

I

Sled error signal input

 

 

 

 

56

TE

I

Tracking error signal input

 

 

 

 

57

DCHG

Connecting analog power supply of the low impedance

58

APC

I

Error signal input for the laser digital APC

 

 

 

 

59

DSPVDD0

Power supply (for DSP block)

60

DSPVSS0

Ground (for DSP block)

 

 

 

 

61

XTSL

I

X’tal oscillation frequency selection

 

 

 

 

62

DIN1

I

Not used (connected to ground)

63

DOUT

O

Not used (open)

 

 

 

 

64

PWMLP

O

Not used (open)

 

 

 

 

65

PWMLN

O

Not used (open)

66

PWMRP

O

Not used (open)

 

 

 

 

67

DADT/PWMRN

O

Not used (open)

68

ADDT

I

Not used (connected to ground)

 

 

 

 

69

LRCK

O

Not used (open)

70

XBCK

O

Not used (open)

 

 

 

 

71

FS256

O

Not used (open)

 

 

 

 

72

MVCI

I

Not used (connected to ground)

73

DSPVDD1

Power supply (for DSP block)

 

 

 

 

74

ADFG

I

ADIP duplex FM signal (20.05± 1KHz) input

75

F0CNT

O

Not used (open)

 

 

 

 

76

DIFVDD0

Power supply (for DSP I/F)

 

 

 

 

77

DIFVSS0

Ground (for DSP I/F)

78

APCREF

O

Output to the reference PWM for the laser APC

 

 

 

 

79

LDDR

O

Not used (open)

80

TRDR

O

Tracking servo drive PWM signal output (–)

 

 

 

 

81

TFDR

O

Tracking servo drive PWM signal output (+)

82

FFDR

O

Focus servo drive PWM signal output (–)

 

 

 

 

83

FRDR

O

Focus servo drive PWM signal output (+)

 

 

 

 

84

MCUVDD1

Power supply (for the microcomputer block)

85

FGIN

I

Not used (open)

 

 

 

 

86

FS4

O

176.4kHz clock signal output

87

SPRD/SPDU/

O

Spindle servo drive output (PWM– or inertia)/Brushless spindle motor 3-phase drive logic

RTG0

output (U)/RTG output 0

 

 

 

 

 

 

88

SPFD/SPVS/

O

Spindle servo drive output (PWM+ or PWM absolute value)/Brushless spindle motor absolute

PWM3

value PWM output/PWM3

 

 

 

 

 

 

89

SPDV/RTG1

O

Brushless spindle motor 3-phase drive logic output (V)/RTG output 1

90

SPDW/RTG2

O

Brushless spindle motor 3-phase drive logic output (W)/RTG output 2

13

Image 49
Contents MZ-E501 SpecificationsDisassembly Table of ContentsDiagrams Exploded ViewsSection Servicing Notes Location and Function of Controls Group Section GeneralCase ASSY, Holder Assy Section DisassemblyBracket Assy Mechanism DeckOptical PICK-UP Assy LCX-4E Main BoardSetting the Test Mode Section Test ModeGeneral Overall Adjustment Mode Manual ModeHow to set the Manual mode Self-diagnostic mode SELF-DIAGNOSTIC Display ModeSound Skip Check Result Display Mode KEY Check ModeSetting the Key Check mode EIBManual Power Adjustments Section Electrical AdjustmentsReset NV Electrical offset adjustment method Vc PWM Duty H adjustment methodOverall CD and MO adjustment method Resume clear method Overall CD and MO adjustment itemsMZ-E501 Waveforms Section DiagramsMain Board Block DiagramSemiconductor Printed Wiring Board Main Section Side aSide B Printed Wiring Board Main Section Side BOprledgh MZ-E501 2222 IC301 TA2131FL EL IC Block DiagramsIC901 XPC18A32FCR2 IC PIN Function Description Xtest OprledglOprledrl MIFVSS3APC AVS2 AvssDSPVDD0 DSPVSS0DSPVSS1 DSPVDD2Spcu SpcvSSB CLK TEST1, TEST0MCUVSS0 VL PWMLCD RST LCD STBREC LED TSB SLV CHKMain Section Section Exploded Views5961 Mechanism SectionSection Electrical Parts List MainXPC18A32FCR2 Ver 1.1 Memo MZ-E501 Before change After change How to distinguish the sets¥ Signal path Main Board Main Board + Line Tantalums Schematic Diagram Main /3 See page 9 for IC Block Diagrams IC Block Diagrams IC901 XPC18A32FCR2 Signal C input from the optical pick-up detector IC601 CXD2671-207GA System Control AVS2 Avss DSPVDD2 188,189 Not used open 190 LCD STB 1uF 10% C102 126-246-11 IC XPC18A32FCR2 SWITCH, Tactile VOL− Ver Date Description of Revision Revision History