Sony MZ-N505 service manual Preparation, Servicing Notes, Pre-Check, Rewriting the Patch Data

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MZ-N505

REWRITING THE PATCH DATA AT REPLACEMENT OF MAIN BOARD OR NONVOLATILE MEMORY (IC804)

This set requires the patch data in the nonvolatile memory (IC804) to be rewritten using the application, when the MAIN board or nonvolatile memory (IC804) was replaced.

Caution: The application that meets the microcomputer version in this set must be used when rewriting the patch data. Rewriting the patch data using the application not suitable for the microcomputer version could cause the set to malfunction.

For a checking method of the microcomputer version, see “SECTION 4 TEST MODE” (page 13).

• Preparation

1.USB cable (attached to the set)

2.Personal computer in which the Net MD Driver has been installed. (For further information, see “System requirements” (page 4) in

“SECTION 1 SERVICING NOTES”)

3.Application “PatchWriter” for patch data rewriting

•How to Get the Application “PatchWriter” for Patch Data Rewriting

Contact our service technical support division to get the application.

•Pre-Check

1.Check the microcomputer version in this set. (For a checking method of the microcomputer version, see “SECTION 4 TEST MODE” (page 13).)

2.Check that the Net MD Driver has been installed in the personal computer.

3.Make sure that the set is in the Normal mode.

Note: Do not rewrite the patch data in the Test mode.

• Rewriting the Patch Data

1.Connect the set to the personal computer with the USB cable.

2.Start the application “PatchWriter”.

3.Make sure that the following window opens.

4.Click the [Usb Connect] button.

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Contents 873-459-01 SpecificationsMZ-N505 Disassembly Table of ContentsDiagrams Flexible Circuit Board RepairingOptical PICK-UP Flexible Board Section Servicing NotesMZ-N505 Lookingat the controls Section GeneralDisassembly Flow Section DisassemblyCase Upper Section Case LowerMechanism Deck MT-MZN707-177 LCD MODULE, Case Upper SUB AssyMain Board Gear SA Screw M1.4 OP Service Assy LCX-5RHolder Assy Gear HA V1.100 Section Test ModeManual Mode Configuration of Test ModeTransition Method in Manual Mode Manual011 0FEJ1B 011 C68S1B011 063B1B 011 081A1BDescription of Error Indication Codes Reset the Error Display CodeSetting Method of Reset The Error Display Code Description of Indication History000 P**R Sound Skip Check Result Display Mode004 004 FFRMC OK SET OKSection Electrical Adjustments Reset021 ###SCC ResOK?741 AD 336 ###S771 AD 772 AD778 AD 777 AD779 AD 865 ###S872 ###S 871 ###S873 ###S 874 ###S765 AD 764 AD766 AD 767 ADLaser Laser Power Check011 ###S 012 ###SMain Board Component Side IC501Assy11 AssyOfst OfstOK000 *** NG CD and MO Overall Adjustment ItemsCD OK MO OK043 ###S00 Resume Clear Setting Method043 Res ResClrServicing Notes PreparationPre-Check Rewriting the Patch DataMZ-N505 MZ-N505 Block Diagram SERVO/USB Section Section DiagramsBlock Diagram Audio Section Block Diagram DISPLAY/KEY CONTROL/POWER Supply Section Lead Layouts Main Board Component Side Semiconductor LocationIC902 VRECIN1 Outa PGND2 F1VM Schematic Diagram Main Board 3/4 See page 42 for Waveforms KCT 22.7 ∝ s WaveformsIC302 TA2131FL EL IC Block Diagrams IC301 AK5354VT-E2IC501 SN761057A IC551 SC111258FCR2 IC601 XPC18A22AFCR2 IC901 XPC18A32FCR2 IC PIN Function Description DVSS0 DRAMVSS0DVDD0 SSB DataTrst KDIVG CTL Aout SELWK DET Vbus DETREC KEY Half LockDavdd VsioscVrefl AoutlDVDD3 DVSS3IFVDD3 IFVSS3Flashvss EVAFlashvdd Case Section Section Exploded Views5251 Chassis Section101 104 102 103 Main Board Section301 353 Main Section Electrical Parts ListCAP-CHIP XPC18A22AFCR2 10K 16W R507 RES-CHIP R517 208-683-11 OPEN/CLOSE Detect EMI Filter Memo Revision History