MDS-SD1 - Sony Audio Service Manual (repair manual). Page 7

– 7 –

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”.