Sony HCD-MD373 service manual Record Precedure, Display Precedure

IOP DATA RECORDING AND DISPLAY WHEN OPTICAL PICK-UP AND NON-VOLATILE MEMORY (IC171 OF BD (MD) BOARD) ARE REPLACED

The IOP value labeled on the optical 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 optical pick-up or non-volatile memory (IC171 of BD (MD) board), record the IOP value on the optical pick-up according to the following procedure.

Record Precedure:

1.When the power ON, press the 1/u button while pressing the p(MD) button and r(REC) button together.

2.Press the =0/MD/CD/TUNING – button or)+/MD/CD/TUNING + button to display “[Service]”, and press the ENTER/ YES “R” button.

3.Press the =0/MD/CD/TUNING – button or)+/MD/CD/TUNING + button to display “ lop. Write”, and press the ENTER/ YES “R” button.

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

5.Input the IOP value written on the optical pick-up.

To select the number : Press the =0/MD/CD/TUNING – button or)+/MD/CD/TUNING + button.

To select the digit : Press the SYNC REC button.

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

7.As the adjustment results are recorded for the 6 value. Leave it as it is and press the ENTER/YES “R” button.

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

9.Press the REPEAT STEREO/MONO button to complete. “Standby” will be displayed.

Display Precedure:

1.When the power ON, press the 1/u button while pressing the p(MD) button and r(REC) button together.

2.Press the =0/MD/CD/TUNING – button or)+/MD/CD/TUNING + button to display “[Service]”, and press the ENTER/ YES “R” button.

3.Press the =0/MD/CD/TUNING – button or)+/MD/CD/TUNING + button to display “lop.Read”.

4.“@@.@/##.#” is displayed and the recorded contents are displayed.

@@.@ : indicates the Iop value labeled on the pick-up.

##.# : indicates the Iop value after adjustment

5.To end, press the SYNC REC button or MENU/NO “R” button to display “Iop Read”. Then press the REPEAT STEREO/MONO button to display “Standby”.

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