Sony MX-E501 TEST1, TEST0, Ssb Clk, MCUVSS0, Vl Pwm, Clk Sel, Open Close, Gnd Sw, SET CODE0, SI0

Page 29

MZ-E501

Ver 1.2 2001.12

Pin No.

Pin Name

I/O

Description

156, 157

TEST1, TEST0

I

Terminal 1, 0 for the main test

 

 

 

 

158

EVA

I

EVA/FLASH chip discrimination terminal

 

 

 

 

159

OPR LED

O

Operation LED control (Not used in this set)

160

SSB DATA

I/O

Input/output of SSB serial data

 

 

 

 

161

SSB CLK

SSB serial clock

162

MCUVSS0

Ground (for the microcomputer block)

 

 

 

 

163

OPR_LED_R_PWM

O

Operation LED (R) control PWM

164

VL PWM

PWM for the laser power supply voltage control

165

VC PWM

PWM for the system power supply voltage control

 

 

 

 

166

SPDL_AUX_PWM

O

Spindle auxiliary control PWM

167

OPR_LED_G_PWM

O

Operation LED (G) control PWM

 

 

 

 

168

NC

O

Not used (open)

 

 

 

 

169

CLK SEL

O

Not used (open)

170

OPEN CLOSE

I

Not used (open)

SW

 

 

 

 

 

 

 

171

GND SW

O

Not used (open)

172

SET CODE0

O

Set code 0

 

 

 

 

173

SET CODE1

O

Set code 1

 

 

 

 

174

SET CODE2

O

Set code 2

 

 

 

 

175

SET CODE3

O

Set code 3

 

 

 

 

176

MIFVDD1

Power supply (for the microcomputer I/F block)

177

MIFVSS1

Ground (for the microcomputer I/F block)

 

 

 

 

178

AOUT SEL

O

HP/LINE changeover signal output Not used (open)

 

 

 

 

179

SI0

I

Serial data input (CH0)

 

 

 

 

180

SO0

O

Serial data output (CH0)

 

 

 

 

181

SCK0

O

Serial clock signal output (CH0)

 

 

 

 

182

XGUM ON

I

Not used (open)

183

BEEP

O

Beep sound output

184

NC

Not used (open)

 

 

 

 

185

VD. SEL

O

Not used (open)

 

 

 

 

186

XMUTE

O

Not used (open)

 

 

 

 

187

LCD_RST_AUX

O

Not used (open)

188-189

NC

O

Not used (open)

190

X PATCH

I

Not used (connected to ground)

191

OPT DET

I

Not used (open)

192

XJACK DET

I

Not used (open)

 

 

 

 

193

XMIC DET

I

Not used (open)

 

 

 

 

194, 195

PD S0, PD S1

O

PD IC mode changeover 0, 1

196

MIFVDD2

Power supply (for the microcomputer I/F block)

 

 

 

 

197 to

MODE1 to 3

O

Not used (open)

199

 

 

 

 

 

 

 

200, 201

HD CON 1, 2

O

Not used (open)

 

 

 

 

202

NC

O

Not used (open)

203

XCS ADA

O

Not used (open)

 

 

 

 

204

XPD ADA

O

Not used (open)

205

XCS LCD

O

Not used (open)

 

 

 

 

29

Image 29
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 BoardGeneral Section Test ModeSetting the Test Mode How to set the Manual mode Manual ModeOverall Adjustment Mode Self-diagnostic mode SELF-DIAGNOSTIC Display ModeSound Skip Check Result Display Mode KEY Check ModeSetting the Key Check mode EIBReset NV Section Electrical AdjustmentsManual Power Adjustments Overall CD and MO adjustment method Vc PWM Duty H adjustment methodElectrical offset 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