Sony MZ-R900 000 *** NG, Cd Ok, Mo Ok, Adjustment Method of Overall CD and MO Adjustment Mode

Page 21

MZ-R900

Adjustment Method of Overall CD and MO Adjustment Mode

1.Setting the test mode (see page 12).

2.Press the . or [VOL --]key activates the overall adjust- ment mode.

Remote commander LCD display

000 Assy11

3.Insert CD disc in the set, and press the . key to set the Overall CD Adjustment mode. Automatic adjustments are made.

Remote commander 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 17), then readjust from the temperature correction (see page 19).

Remote commander LCD display

000 *** NG

***: NG item number.

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

Remote commander LCD display

000 CD OK

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

Remote commander 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 17), then readjust from the temperature correction (see page 19).

Remote commander LCD display

000 *** NG

***: NG item number.

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

Remote commander LCD display

000 MO OK

Overall CD and MO adjustment items

1. Overall CD 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. Overall MO 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 level 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 double 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

 

 

21

Image 21
Contents Specifications Battery life1927-991-13 Disassembly Table of ContentsDiagrams Exploded ViewsSection Servicing Notes Flexible Circuit Board RepairingLooking at controls Section GeneralSection Disassembly Disassembly FlowPanel ASSY, Bottom LCD MODULE, Panel ASSY, Upper Panel ASSY, Upper SectionMain Board Assy Case ASSY, BATTERY, Main BoardMD Mechanism Deck MT-MZR900-171, Chassis ASSY, SET STRIP, OrnamentalService ASSY, OP LCX-4R Motor Flexible Board Holder AssyMOTOR, DC Sled M602 Setting Method of Test Mode Section Test ModeOperation in Setting the Test Mode Releasing the Test ModeManual Mode Configuration of Test ModeTransition method in Manual Mode A n u a lF F J 0 011 C 6 8 S 0011 0 6 3 B 0 0XX 1 0 0 0Description of Error Indication Codes Reset the error display codeSetting method of Reset the Error Display Code Description of Indication History000 000 P * * R000 FF RPLAYResNV CC ResetResOK? 021 Res872 V5dat 871 V5numAssy00 762 Vc1PWMSetTmp ADJ OKHrefPw WritPwAssy11 AssyOfst OfstOKOverall CD and MO adjustment items Adjustment Method of Overall CD and MO Adjustment Mode000 *** NG CD OK043 Res Resume CCResClr PatClr CC023 0D6008 023 0D6000023 0D6100 023 0D61A1023 0D5E04 023 0D5DAA023 0D6120 023 0D6400023 0D6C00 023 0D6909023 0D6CF6 023 0D6D00023 0D7600 023 0D751C023 0D7603 023 0D7800Diagrams Block Diagram Servo SectionSection Block Diagram Audio Section Block Diagram KEY CONTROL/DISPLAY/POWER Supply Section Vp-p WaveformsSemiconductor Location Printed Wiring BoardsMZ-R900 IC301 AK4562VNS-L IC Block DiagramsXPC18A22FCR2 IC PIN Function Description MIC Sense Pause KEYXtest MIFVSS3AVD2 AdioAVS2 AdrbDSPVSS1 DSPVDD2Spcu SpcvEVA TEST1, TEST0SSB Data SSB CLKXCS LCD XPD ADALCD STB LCD RSTPanel Section Section Exploded ViewsMT-MZR900-171 Not supplied Chassis SectionMD Mechanism Deck Section MT-MZR900-171 Semiconductors Main Electrical Parts ListMain ConnectorXPC18A22FCR2 RES-CHIP CASE, Battery Charge Except JEW Memo Revision History