Sony MZ-N505 service manual Eva, Flashvdd, Flashvss

Page 54

MZ-N505

Pin No.

Pin Name

I/O

Description

 

 

 

 

246

EVA

I

EVA/FLASH chip discrimination input terminal “L”: FLASH chip, “H”: EVA chip

(fixed at “L” in this set)

 

 

 

 

 

 

 

247

FLASHVDD

Power supply terminal (for the built-in flash memory) (+2.4V)

 

 

 

 

248

FLASHVSS

Ground terminal (for the built-in flash memory)

 

 

 

 

249 to

NC

Not used

256

 

 

 

 

 

 

 

54

Image 54
Contents Specifications 873-459-01MZ-N505 Diagrams Table of ContentsDisassembly Flexible Circuit Board RepairingSection Servicing Notes Optical PICK-UP Flexible BoardSection General MZ-N505 Lookingat the controlsSection Disassembly Disassembly FlowCase Lower Case Upper SectionLCD MODULE, Case Upper SUB Assy Mechanism Deck MT-MZN707-177Main Board OP Service Assy LCX-5R Gear SA Screw M1.4Holder Assy Gear HA Section Test Mode V1.100Transition Method in Manual Mode Configuration of Test ModeManual Mode Manual011 063B1B 011 C68S1B011 0FEJ1B 011 081A1BSetting Method of Reset The Error Display Code Reset the Error Display CodeDescription of Error Indication Codes Description of Indication History004 Sound Skip Check Result Display Mode000 P**R 004 FFSET OK RMC OK021 ###SCC ResetSection Electrical Adjustments ResOK?771 AD 336 ###S741 AD 772 AD779 AD 777 AD778 AD 865 ###S873 ###S 871 ###S872 ###S 874 ###S766 AD 764 AD765 AD 767 AD011 ###S Laser Power CheckLaser 012 ###SIC501 Main Board Component SideOfst AssyAssy11 OfstOKCD OK CD and MO Overall Adjustment Items000 *** NG MO OK043 Res Resume Clear Setting Method043 ###S00 ResClrPre-Check PreparationServicing Notes Rewriting the Patch DataMZ-N505 MZ-N505 Section Diagrams Block Diagram SERVO/USB SectionBlock Diagram Audio Section Block Diagram DISPLAY/KEY CONTROL/POWER Supply Section Lead Layouts Semiconductor Location Main Board Component SideIC902 VRECIN1 Outa PGND2 F1VM Schematic Diagram Main Board 3/4 See page 42 for Waveforms KCT Waveforms 22.7 ∝ sIC Block Diagrams IC301 AK5354VT-E2 IC302 TA2131FL ELIC501 SN761057A IC551 SC111258FCR2 IC601 XPC18A22AFCR2 IC901 XPC18A32FCR2 IC PIN Function Description DVDD0 DRAMVSS0DVSS0 SSB DataVG CTL KDITrst Aout SELREC KEY Vbus DETWK DET Half LockVrefl VsioscDavdd AoutlIFVDD3 DVSS3DVDD3 IFVSS3EVA FlashvddFlashvss Section Exploded Views Case SectionChassis Section 5251Main Board Section 101 104 102 103301 353 Section Electrical Parts List MainCAP-CHIP XPC18A22AFCR2 10K 16W R507 RES-CHIP R517 208-683-11 OPEN/CLOSE Detect EMI Filter Memo Revision History