Sony MDS-JE530 Service Manual page 7

IOP DATA RECORDING AND DISPLAY WHEN OPTICAL PICK-UP AND NON-VOLATILE MEMORY (IC171 OF
BD 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 board),
record the IOP value on the optical pick-up according to the following procedure.
Record Precedure:
[ AMS ]
1. While pressing the ≠
[ ]
and p button.
[ AMS ]
2. Turn the ±
≠
[ AMS ]
±
3. Turn the ≠
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 : Turn the
To select the digit : Press the
[YES]
6. When the 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
8. "Complete!" will be displayed momentarily. The value will be recorded in the non-volatile memory and the display will become "Iop
Write".
[REPEAT]
9. Press the button to complete.
Display Precedure:
[ AMS ]
1. While pressing the ≠
[ ]
and p button.
[ AMS ]
2. Turn the ≠ ±
[ AMS ]
3. Turn the ≠ ±
4. "@@.@/##.#" is displayed and the recorded contents are displayed.
@@.@ : indicates the IOP value labeled on the optical pick-up.
##.# : indicates the IOP value after adjustment
[ AMS ]
5. To end, press the ≠
[ ]
knob and p button, connect the power plug to the outlet, and release the
±
knob to display "[Service]", and press the
knob to display "lop Write" (C28), and press the
[ AMS ]
≠ ± knob.
[ AMS ]
≠ ± knob.
[ ]
± knob and p button, connect the power plug to the outlet, and release the
knob to display "[Service]", and press the
knob to display "lop Read" (C27).
[MENU/NO]
±
knod or
[YES]
button.
[YES]
button.
[YES]
[YES]
button.
button to display "Iop Read". Then press the
– 7 –
[ AMS ]
≠
button.
[ AMS ]
≠
[REPEAT]
button.
±
knob
±
knob