Sony MX-E501 service manual DSPVDD2

Page 50

MZ-E501

Pin No.

Pin Name

I/O

Description

 

 

 

 

91

DSPVDD2

Power supply (for DSP block)

92

DSPVSS1

Ground (for DSP block)

 

 

 

 

93

SPCU

I

Brushless spindle motor drive comparison signal input (U)

94

SPCV

I

Brushless spindle motor drive comparison signal input (V)

 

 

 

 

95

SPCW

I

Brushless spindle motor drive comparison signal input (W)

96

SRDR/SL1F

O

Sled servo drive PWM signal output (–)

 

 

 

 

97

SFDR/SLVF

O

Sled servo drive PWM signal output (+)

 

 

 

 

98

SLDV

O

Brushless sled motor 3-phase logic output (V)/2-phase drive logic output (1–)

 

 

 

 

99

SLDW

O

Brushless sled motor 3-phase drive logic output (W)/2-phase drive logic output (2+)

 

 

 

 

100

SLCU

I

Brushless sled motor 3-phase drive comparate input (U)/2-phase drive comparate input (1)

 

 

 

 

101

SLCV

I

Brushless sled motor 3-phase drive comparate input (V)/2-phase drive comparate input (2)

102

SLCW

Brushless sled motor 3-phase drive comparate input (W)/2-phase comparate output (2–)

 

 

 

 

103

DIFVDD1

Power supply (for DSP I/F)

 

 

 

 

104

DIFVSS1

Ground (for DSP I/F)

105

EFMO

O

Not used (open)

 

 

 

 

106

MNT0

O

DSP monitor output (0)

107

MNT1

O

DSP monitor output (1)

 

 

 

 

108

MNT2

O

DSP monitor output (2)

109

MNT3

O

DSP monitor output (3)

 

 

 

 

110

SENSE

O

Not used (open)

 

 

 

 

111

TX

O

Not used (open)

 

 

 

 

112

RECP

O

Not used (open)

113

DSPVDD3

Power supply (for DSP block)

 

 

 

 

114 to

NC

Not used (open)

117

 

 

 

 

 

 

 

118

DRAMVSS0

Ground (for the external D-RAM)

 

 

 

 

119

DRAMVDD0

Power supply (for the external D-RAM)

120 to

NC

Not used (open)

138

 

 

 

 

 

 

 

139

DRAMVDD1

Power supply (for the external D-RAM)

140

DRAMVSS1

Ground (for the external D-RAM)

 

 

 

 

141

TSB MST VDD

Power supply (for TSB master communication)

142

RMC DTCK

I/O

TSB master data input/output

 

 

 

 

143

TSB SLV VDD

I/F power supply (for TSB slave communication)

 

 

 

 

144

TSB SLVI

I

TSB slave signal input

145

TSB SLVO

O

Not used (open)

 

 

 

 

146

TDI

I

Data input terminal for JTAG

147

TMS

I

Test mode control input terminal for JTAG

 

 

 

 

148

TCK

I

Clock input terminal for JTAG

149

XTRST

I

Reset input terminal for JTAG

 

 

 

 

150

TDO

O

Data output terminal for JTAG

 

 

 

 

151

JTAGVDD

Power supply terminal for JTAG

152

JTAGVSS

Ground terminal for JTAG

 

 

 

 

153

MCUVDD2

Power supply (for the microcomputer block)

154

MIFVDD0

Power supply (for the microcomputer I/F block)

 

 

 

 

155

MIFVSS0

Ground (for the microcomputer I/F block)

14

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Contents Specifications MZ-E501Diagrams Table of ContentsDisassembly Exploded ViewsSection Servicing Notes Section General Location and Function of Controls GroupSection Disassembly Case ASSY, Holder AssyMechanism Deck Bracket AssyMain Board Optical PICK-UP Assy LCX-4EGeneral Section Test ModeSetting the Test Mode How to set the Manual mode Manual ModeOverall Adjustment Mode SELF-DIAGNOSTIC Display Mode Self-diagnostic modeSetting the Key Check mode KEY Check ModeSound Skip Check Result Display Mode EIBReset NV Section Electrical AdjustmentsManual Power Adjustments Overall CD and MO adjustment method Vc PWM Duty H adjustment methodElectrical offset adjustment method Overall CD and MO adjustment items Resume clear methodMZ-E501 Section Diagrams WaveformsBlock Diagram Main BoardPrinted Wiring Board Main Section Side a SemiconductorPrinted Wiring Board Main Section Side B Side BOprledgh MZ-E501 2222 IC Block Diagrams IC301 TA2131FL ELIC901 XPC18A32FCR2 IC PIN Function Description Oprledrl OprledglXtest MIFVSS3DSPVDD0 AVS2 AvssAPC DSPVSS0Spcu DSPVDD2DSPVSS1 SpcvMCUVSS0 TEST1, TEST0SSB CLK VL PWMREC LED LCD STBLCD RST TSB SLV CHKSection Exploded Views Main SectionMechanism Section 5961Electrical Parts List Main SectionXPC18A32FCR2 Ver 1.1 Memo MZ-E501 How to distinguish the sets Before change After change¥ 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− Revision History Ver Date Description of Revision