- ページ 18

ステレオシステム Sony MZ-R701のPDF サービスマニュアルをオンラインで閲覧またはダウンロードできます。Sony MZ-R701 50 ページ。 Portable memory stick audio player / portable minidisc recorder / portable cd player
Sony MZ-R701 にも：限定保証 (1 ページ)

ページを印刷する

MZ-R701/R701DPC

5-1. Outline

• In this set, automatic adjustment of CD and MO can be per-

formed by entering the test mode (see page 12).

However, before starting automatic adjustment, the memory

clear, power supply adjustment, and laser power check must be

performed in the manual mode.

• A key having no particular description in the text, indicates a

set key.

• For the LCD display, the LCD display on the set is shown.

5-2. Precautions for Adjustment

1. Adjustment must be done in the test mode only.

After adjusting, release the test mode.

2. Use the following tools and measuring instruments.

• CD disc

TDYS-1 (Check MD disc)

• MO disk (SONY MD disc available on the market)

• Digital voltmeter

• Laser power meter

LPM-8001

• Thermometer (using the Temperature Correction)

3. Unless specified otherwise, supply DC 3V from the DC IN

3V jack (J601).

4. Switch position

HOLD switch ............................................... OFF

5-3. Adjustment Sequence

1. NV Reset (Memory clear)

2. Power Supply Manual Adjustment

3. Temperature Correction (item number: 014)

4. Laser Power Check

5. Electrical Offset Adjustment

Caution: This adjustment must be made with

no disc loaded.

6. CD Overall Adjustment

7. MO Overall Adjustment

8. Mode Settings

9. RESUME Clear

5-4. NV Reset

Caution: In this set, certain adjustment values are set in the manual

mode at the factory.

NV reset will cause data to be cleared.

So, the adjustment values should be set again just after

NV reset is made.

• Setting method of NV reset

1. Select the manual mode of the test mode, and set item number

021NV Reset (see page 13).

This set LCD display

ResNV

SECTION 5

ELECTRICAL ADJUSTMENTS

(Part No. : 4-963-646-01)

(Part No. : J-2501-046-A)

Manual Mode

Overall Mode

Manual Mode

Overall Mode

Manual Mode

0 21

2. Press the

key.

This set LCD display

Res OK?

3. Press the

key once more.

This set LCD display

Res

Reset!

4. Press the

key to quit the manual mode, and activate the

test mode (display check mode).

• Change of adjusted values

1. Item numbers in which the adjusted values are to be modified

Item number 832

Item number 862

Item number 871

Item number 872

2. Adjusted values modifying procedure

1) Select the manual mode of the test mode, and set item number

832 (see page 13).

This set LCD display

Pw-T W

: Adjusted value

[VOL +]

2) Adjust with the

key (adjusted value down) so that the adjusted value becomes

E4.

3) Press the

key to write the adjusted value.

4) Select the manual mode of the test mode, and set item number

862 (see page 13).

This set LCD display

V1dat

: Adjusted value

[VOL +]

5) Adjust with the

key (adjusted value down) so that the adjusted value becomes

01.

6) Press the

key to write the adjusted value.

7) Select the manual mode of the test mode, and set item number

871 (see page 13).

This set LCD display

V5num

: Adjusted value

[VOL +]

8) Adjust with the

key (adjusted value down) so that the adjusted value becomes

20.

9) Press the

key to write the adjusted value.

0 21

NV reset (after several seconds)

0 21

8 32

[VOL --]

key (adjusted value up) or

8 62

[VOL --]

key (adjusted value up) or

8 71

[VOL --]

key (adjusted value up) or