Sony NHF800 service manual Servo Overall Adjustment, Resume Clear, Releasing The Test Mode

MZ-NH700/NHF800

Ver 1.1

3-8. Servo Overall Adjustment

Note1: Be sure to adjustment so that the set is horizontal and the LCD is upside. Unless performed in that state, it is not adjusted correctly.

Note2: If NG is displayed in the middle of this adjustments, perform “3-2. Initialize The Adjustment Value” and “3-7. Setting The Adjustment Values” again, then retry this adjustments from step 1.

Procedure:

1.Insert the full charged Ni-MH rechargeable battery (NH- 10WM), then open and close the lid and enter the test mode (Display Check mode).

2.Press the [VOL--]key to enter the Overall Adjustment mode.

3.Insert the CD adjustment disc (TDYS-1).

4.Put the main unit horizontal so that the LCD becomes upside, and press the . key.

5.Wait until “CD OK” is displayed on the LCD.

6.Insert the MD1/HiMD1 hybrid adjustment disc (MDW-74/GA1).

7.Put the main unit horizontal so that the LCD becomes upside, and press the > key.

8.Wait until “MD1 OK” is displayed on the LCD.

9.Insert the Hi-MD3 adjustment disc (HMD1GSDJ).

10.Put the main unit horizontal so that the LCD becomes upside, and press the [VOL+] key.

11.Wait until “HMD OK” is displayed on the LCD.

12.Eject the disc.

13.Put the main unit horizontal so that the LCD becomes upside, and press the [VOL--]key.

14.Wait until “OfstOK” is displayed on the LCD.

15.Press the x key and back to the Display Check mode.

3-9. Resume Clear

Procedure:

1.In the test mode (Display Check mode), press the [VOL+] key to enter the Manual mode.

2.Press the [VOL+] key once, press the > key once, press the [VOL--]key once, press the > key once, and press the [VOL+] key twice, press the > key three times to select the item number 1933.

3.Press the X key to resume clear.

4.Press the x key four times and back to the Display Check mode. And remove the Ni-MH rechargeable battery.

3-10. Releasing The Test Mode

Refer to the “SECTION 4. TEST MODE”.

Note: Once the test mode is activated with this application, the test mode is then activated forcibly by only turning on the power.

After the repair completed, be sure to release the test mode by using this application once more.

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