Sony MZ-R90/R91 014S e t T m p, A s s y, C D R U N, C D O K, # # # N G, M O R U N, M O O K

Page 22
• Adjustment Method of temperature correction

5-6. TEMPERATURE CORRECTION

• Adjustment Method of temperature correction

1.Select the manual mode of test mode, and set the mode num- ber 014. (See page 14)

LCD display

014S e t T m p

2.Measure the ambient temperature.

3.Adjust with [VOL +], [VOL --]key so that the adjusted value

(hexadecimal value) becomes the ambient temperature. (Initial value: 14h = 20 ° C, Adjusting range: 80h to 7fh (–128

°C to +127 ° C)

4.Press the X key to write the adjusted value.

5-7. OVERALL ADJUSTMENT MODE

• Adjustment Method of Overall Adjustment Mode

1.Setting the test mode. (See page 13)

2.Press the . or [VOL --]key activates the overall adjust- ment mode where the LCD display as shown below.

LCD display

000 A s s y * * 014S e t T m p

: (DISC MARK) When power adjustment “H” finished; Outward ON

When power adjustment “L” finished; Inward ON

Power supply is not yet adjusted unless both outward and inward disc marks are ON.

Note: Disc mark is displayed on the remote commander LCD only.

* *

CD auto adjustment information

F : CD auto adjustment finished

1: Manual adjustment remains (not auto adjustment)

0: Not adjusted yet

MO auto adjustment information

F : Auto adjustment finished

1: Manual adjustment remains

0: Not adjusted yet

3.Insert the CD test disc TDYS-1 (Parts No.4-963-646-01) or an available SONY CD disc.

4.Press N key. The system discriminates between CD and MO and performs automatic adjustment for CD.

Also, if > key is pressed, CD is adjusted automatically.

LCD display

%%% C D R U N

%%%: Manual mode number being executed

5.If the result of automatic adjustment is OK, the following dis- play appears in the LCD:

LCD display

341 C D O K

6.If the result of automatic adjustment is NG, the following dis- play appears in the LCD:

LCD display

# # # N G

## # : Overall adjustment. NG mode number

7.If NG, set the manual mode. Perform automatic adjustment for the items not accepted. (See page 14)

Overall CD adjustment items

Item No.

Contents

 

 

312

 

313

CD electrical offset adjustment

314

 

 

 

328

CD TWPP gain adjustment

 

 

321

CD TE gain adjustment

 

 

323

CD TE offset adjustment

332

 

 

 

336

CD ABCD level adjustment

 

 

344

CD focus gain adjustment

 

 

345

CD tracking gain adjustment

 

 

521

CD two-axis sensitivity adjustment

522

 

 

 

341

CD focus bias adjustment

 

 

8.If CD adjustment is OK, insert an available SONY MO disc (recorded).

At this time, be sure to turn OFF the disc protect switch.

9.Press N key. The system discriminates between CD and MO and performs automatic adjustment for the MO disc.

Also, if . key is pressed, MO is adjusted automatically. However, when CD adjustment is not finished, “SetCD!” is blinking on the LCD and MO adjustment is not executed.

LCD display

%%% M O R U N

%%%: Manual mode number being executed

10.If the result of automatic adjustment is OK, the following dis- play appears in the LCD:

LCD display

141 M O O K

11.If the result of automatic adjustment is NG, the following dis- play appears in the LCD:

LCD display

# # # N G

## # : Overall adjustment. NG mode number

12.If NG, set the manual mode. Perform automatic adjustment for the items not accepted. (See page 14)

– 22 –

Image 22
Contents AEP Model US ModelCanadian Model UK ModelFlexible Circuit Board Repairing Notes on chip component replacementTABLE OF CONTENTS NOTES ON HANDLING THE OPTICAL PICK-UPBLOCK LCX-2R SECTION SERVICING NOTENOTES ON LASER DIODE EMISSION CHECK OPTICAL PICK-UPFLEXIBLE BOARDSECTION 2 GENERAL Page Page SECTION DISASSEMBLY 3-3.LCD MODULE 3-4.MAIN BOARD3-5.MD MECHANISM DECK MT-MZR70-165 3-6.SERVICE ASSY, OPover write head section 3-7.HOLDER ASSY 3-8.MOTOR FLEXIBLE BOARD3-9.MOTOR, DC M602 3-10.“MOTOR, DC M601”, “MOTOR, DC M603”4-2-1.Setting Method of Test Mode SECTION 4 TEST MODE4-2-2.Operation in Setting the Test Mode 888xxxxxxxxxFREC1SHUF000M a n u a l 011 0 6 3 B 011 C 6 8 S011 0 F FJ 011 0 5 9 A000S t a t 000A d r s 000B E m p 000# # # # # # 000P * * RE I B 000P * * R 000B O v r 000B f u l 000R t r y000N - 1 000N - 1 000N - 2 000N - 2 000N 0001 s t0001 s t 0001 s t 0001 s t 000R # # # #Description of Error Indication Codes • Description of Indication History4-7.KEY CHECK MODE 021R e s O K ? SECTION ELECTRICAL ADJUSTMENTS021R e s N 021R e s763V r h V c l 762V c l P W M765V c h P W M 766V r h V c hC D R U N 014S e t T m p000 A s s y 341 C D O KConnection 043R e s u m e043R e s C l r Check MethodConnecting Location MZ-R70 DIAGRAMSSECTION MZ-R70 MZ-R70 6-3.BLOCK DIAGRAM - POWER SUPPLY SECTIONWaveforms Page Page Refer to page 41 for IC Block Diagrams MZ-R70MZ-R70 MZ-R70 IC302 IC501SN761056 NJM2173IC603 IC601MPC17A56FTA MPC18A21MTBIC301 IC901 MPC18A31FTAAK4517-VQ-L 6-9.IC PIN DESCRIPTIONS MAIN BOARD IC502 CXD2660GA Page Page Page Page Page SECTION EXPLODED VIEWS Page SECTION ELECTRICAL PARTS LIST MAINMAIN MAIN MAIN MAIN Personal Audio Division Company Sony CorporationMZ-R70 Published by General Engineering DeptVer US Model Canadian Model AEP Model UK ModelE Model Australian Model Chinese Model Subject Taiwan model Addition