Sony NW-MS6 service manual MSEL1, MSEL0, VSSIO1

Page 35

NW-MS6

Pin No.

Pin Name

I/O

Description

 

 

 

 

235

XTRSTD

I

Not used (open)

 

 

 

 

236

VSSCORE

Ground terminal

 

 

 

 

237

TDOD

O

Not used (open)

 

 

 

 

238

TDO

O

Not used (open)

 

 

 

 

239

VDDCORE

Power supply terminal (+1.8V)

 

 

 

 

240, 241

MSEL0D, MSEL1D

I/O

Not used (open)

 

 

 

 

242, 243

MSEL1, MSEL0

I/O

Not used (open)

 

 

 

 

244

VSSIO1

Ground terminal

 

 

 

 

245

VDDIO1

Power supply terminal (+2.8V)

 

 

 

 

246 to 253

D15 to D8

I/O

Two-way data bus with the flash memory (IC5000), S-RAM (IC5600) and CXD1859GA

(IC8000)

 

 

 

 

 

 

 

254

VSSIO1

Ground terminal

 

 

 

 

255

VDDIO1

Power supply terminal (+2.8V)

 

 

 

 

256

D7

I/O

Two-way data bus with the flash memory (IC5000), S-RAM (IC5600) and CXD1859GA

(IC8000)

 

 

 

 

 

 

 

35

Image 35
Contents NW-MS6 SpecificationsNW-MS6 Table of ContentsDisassembly DiagramsNW-MS6 Section Servicing Notes NW-MS6 Section General Looking at ControlsCase Block Assy NW-MS6 Section DisassemblyDisassembly Flow Case Chassis Main Assy Guide LEDConsole Assy Console UNIT, SUB BOARD, Main BoardConsole Board Preparation NW-MS6 Section Test ModeSetting the Test Mode Releasing the Test ModeDisplay of Version and Destination Flow Chart of Operations in the Test ModeItems to Check in the Test Mode 1. ROM/RAM Self-check Checking LOW Batt Voltage Checking the Rated VoltageUSB Self-check USBMemo Block Diagram Main Section Section DiagramsGIOE6 Block Diagram DISPLAY/POWER Supply SectionSurface Waveforms Main board Location Printed Wiring Boards Main Section Uses unleaded solderNW-MS6 Schematic Diagram Main /4 See page 27 for IC Block Diagrams NW-MS6 R9032 22k C9036 33k C9037 3300p R9033 Schematic Diagram SUB /2 NW-MS6 SUB Board Component Side SUB Board Conductor Side Printed Wiring Board SUB Section Uses unleaded solderMBM29LV400BC-90PBT-SJDE1-4 SN74LV139APWR MPC18A41FCR2 IC9006 XC62HR1902MR IC PIN Function Description SDI1 WAKE1WAKE0 RXDUSB Xdreq USB XdetVbus XON Vbus INTFrale FrweFrre FrcleMSEL1, MSEL0 CLKSEL3 CLKSEL2EXTAL0 VSS0VDD3 VSS6VSS7 ADR5, ADR6Clkout VDE7Trst VSS1317 18 Section Exploded ViewsGeneral Section Not supplied Main Board SectionResistors Section NW-MS6 Electrical Parts List MainDiode NW-MS6 MainVibrator Main SUBNW-MS6 SUB SwitchMemo Revision History