Sony MDS-SD1 service manual Record Precedure

IOP DATA RECORDING AND DISPLAY WHEN PICKUP AND NON-VOLATILE MEMORY (IC171 OF BD BOARD) ARE REPLACED

The IOP value labeled on the pick-up can be recorded in the non-volatile memory. By recording the value, it will eliminate the need to look at the value on the label of the optical pick-up. When replacing the pick-up or non-volatile memory (IC171 of BD board), record the IOP value on the pick-up according to the following procedure.

Record Precedure:

1.While pressing the ENTER/YES button and π button, connect the power plug to the outlet, and release the ENTER/YES button and π button.

2.“TEMP CHECK” will be displayed. Press the MENU/NO button to display “Check”.

3.Rotate the –˜+ knob to display “[Service]”, and press the ENTER/YES button.

4.Rotate the –˜+ knob to display “lop.Write”, and press the ENTER/YES button.

5.The display becomes “Ref=@@@.@” (@ is an arbitrary number) and the numbers which can be changed will blink.

6.Input the IOP value written on the optical pick-up. To select the number : Rotate the –˜+ knob.

To select the digit : Press the CD SYNC/MD WM SYNC button.

7.When the ENTER/YES button is pressed, the display becomes “Measu=@@@.@” (@ is an arbitrary number).

8.As the adjustment results are recorded for the step 6 value. Leave it as it is and press the ENTER/YES button.

9.“Complete!” will be displayed momentarily. The value will be recorded in the non-volatile memory and the display will become “Iop Write”.

10.Press the 1/u button to complete. “Standby” will be displayed.

Display Precedure:

1.While pressing the ENTER/YES button and π button, connect the power plug to the outlet, and release the ENTER/YES button and π button.

2.“TEMP CHECK” will be displayed. Press the MENU/NO button to display “Check”.

3.Rotate the –˜+ knob to display “[Service]”, and press the ENTER/YES button.

4.Rotate the –˜+ knob to display “lop.Read”.

5.“@@.@/##.#” is displayed and the recorded contents are displayed. @@.@ : indicates the Iop value labeled on the pick-up.

##.#: indicates the Iop value after adjustment

6. To end, press the CD SYNC/MD WM SYNC button or MENU/NO button to display “Iop Read”. Then press the 1/u button to display “Standby”.

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