Sony MZ-R90/R91, MT-MZR70-165 service manual 000M a n u a l

Page 14
000M a n u a l

4-2-4. Configuration of Test Mode

[Test Mode $Display Check Mode%]

Press the > *1) or [VOL +] *3) key

[Manual Mode]

Press the x *3) key

– 14 –[Servo Mode]

Manual background[Audio Mode]

Manual background[Power Mode]

Manual background[OP Alignment Mode]

Press the . *3) or [VOL --]*3) key

Manual background[Overall Adjustment Mode]

Press the x *3) key

Press the N *1) or [REC] *1) or N > *2) key

Press the x *3) key

[Sound Skip Check Result Display Mode]

press the [DISPLAY] *2) or MENU . *1) key

Manual background[Self-Diagnosis Display Mode]

Press the x *3) key

Press the [T MARK] *3) or [DISPLAY] *2) key on the remote commander for several seconds.

Manual background[Key Check Mode]

Quit the key check or open the upper panel

Note: *1) on the set

*2) on the remote commander

*3) on the set or remote commander

4-3. MANUAL MODE

Mode to adjust or check the operation of the set by function. Normally, the adjustment in this mode is not executed.

• Transition method in Manual Mode

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

2.Press the > or [VOL +] key activates the manual mode where the LCD display as shown below.

LCD display

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3.The optical pick-up moves outward or inward while the > or . key is pressed for several seconds respec- tively.

4.Each test item is assigned with a 3-digit mode number; 100th place is a major item, 10th place is a medium item, and unit place is a minor item.

 

 

 

 

[VOL +] key:100th place of mode number

[Major item switching]

 

increase.

 

 

 

 

[VOL --]key:100th place of mode number

 

 

key

 

x key

 

decrease.

 

N

 

 

 

 

 

 

 

 

 

[VOL +] key:10th place of mode number

[Medium

item switching]

 

increase.

 

 

 

 

[VOL --]key:10th place of mode number

 

 

key

 

x key

 

decrease.

 

N

 

 

 

 

 

 

 

 

 

 

 

key: Unit place of mode number

[Minor item

switching]

N

 

 

 

 

 

 

increase.

Manual background[Adjusted value variation]

[VOL +] key:Increases the adjusted value

[VOL --]key:Decreases the adjusted value

Manual background[Adjusted value write]

X key: When adjusted value is changed:

Adjusted value is written. When adjusted value is not changed:

That item is adjusted automatically.

– 14 –

Image 14
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 BOARDover write head section 3-6.SERVICE ASSY, OP3-5.MD MECHANISM DECK MT-MZR70-165 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 SECTION DIAGRAMSMZ-R70 MZ-R70 Waveforms 6-3.BLOCK DIAGRAM - POWER SUPPLY SECTIONMZ-R70 Page Page Refer to page 41 for IC Block Diagrams MZ-R70MZ-R70 MZ-R70 IC302 IC501SN761056 NJM2173IC603 IC601MPC17A56FTA MPC18A21MTBAK4517-VQ-L IC901 MPC18A31FTAIC301 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