Sony Comprehensive Guide to OK XXX, XXXCD, and XXXMO Adjustments for MiniDisc Players

Page 27

MZ-N505

3.Insert CD disc in the set, and press thethe . key to set the CD overall adjustment mode. Automatic adjustments are made.

Set LCD display

XXXCD RUN

XXX: Item number for which an adjustment is being executed.

4.In case of CD overall adjustment NG, reset the NV (see page 19), then readjust from the temperature correction (see page 22).

Set LCD display

000*** NG

***: NG item number.

5.If OK through the CD overall adjustments, then perform MO overall adjustments.

Set LCD display

000CD OK

6.Insert MO disc in the set, and press the > key to set the MO overall adjustment mode. Automatic adjustments are made.

Set LCD display

XXXMO RUN

XXX: Item number for which an adjustment is being executed.

7.In case of MO overall adjustment NG, reset the NV (see page 19), then readjust from the temperature correction (see page 22).

Set LCD display.

000*** NG

***: NG item number

8.If OK through the MO overall adjustments, press the x key to return to the test mode and terminate the overall adjustment mode.

Set LCD display

000MO OK

CD and MO Overall Adjustment Items

1. CD overall adjustment items

Item No.

Description

 

 

312

 

313

CD electrical offset adjustment

314

 

 

 

321

CD tracking error gain adjustment

 

 

328

CD TWPP gain adjustment

 

 

324

CD tracking error offset adjustment

332

 

 

 

336

CD ABCD gain adjustment

 

 

344

CD focus gain adjustment

 

 

345

CD tracking gain adjustment

 

 

521

CD two-axis sensitivity adjustment

522

 

 

 

2. MO overall adjustment items

Item No.

Description

112

 

113

MO electrical offset adjustment

114

 

118

 

 

 

221

Low reflective CD tracking error gain adjustment

 

 

224

Low reflective CD tracking error offset adjustment

232

 

 

 

236

Low reflective CD ABCD gain adjustment

 

 

244

Low reflective CD focus gain adjustment

 

 

245

Low reflective CD tracking gain adjustment

 

 

121

MO tracking error gain adjustment

 

 

122

MO TON offset adjustment

 

 

134

MO TWPP gain adjustment

 

 

131

MO triple speed read TWPP offset adjustment

132

 

 

 

136

MO ABCD gain adjustment

 

 

144

MO focus gain adjustment

 

 

145

MO tracking gain adjustment

 

 

138

MO RF gain adjustment

 

 

434

MO write TWPP gain adjustment

 

 

431

MO write TWPP offset adjustment

 

 

432

MO tracking error offset adjustment

 

 

436

MO write ABCD gain adjustment

 

 

445

MO write tracking gain adjustment

 

 

411

MO normal speed read TWPP offset adjustment

 

 

412

MO tracking error offset adjustment

 

 

448

20 sec full recording

 

 

27

Image 27
Contents 873-459-01 SpecificationsMZ-N505 Flexible Circuit Board Repairing Table of ContentsDisassembly DiagramsOptical 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 Configuration of Test ModeManual Mode Transition Method in Manual Mode011 081A1B 011 C68S1B011 0FEJ1B 011 063B1BDescription of Indication History Reset the Error Display CodeDescription of Error Indication Codes Setting Method of Reset The Error Display Code004 FF Sound Skip Check Result Display Mode000 P**R 004RMC OK SET OKResOK? ResetSection Electrical Adjustments 021 ###SCC772 AD 336 ###S741 AD 771 AD865 ###S 777 AD778 AD 779 AD874 ###S 871 ###S872 ###S 873 ###S767 AD 764 AD765 AD 766 AD012 ###S Laser Power CheckLaser 011 ###SMain Board Component Side IC501OfstOK AssyAssy11 OfstMO OK CD and MO Overall Adjustment Items000 *** NG CD OKResClr Resume Clear Setting Method043 ###S00 043 ResRewriting the Patch Data PreparationServicing Notes Pre-CheckMZ-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 SSB Data DRAMVSS0DVSS0 DVDD0Aout SEL KDITrst VG CTLHalf Lock Vbus DETWK DET REC KEYAoutl VsioscDavdd VreflIFVSS3 DVSS3DVDD3 IFVDD3EVA FlashvddFlashvss 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