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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”.