MDS-NT1 - Sony Audio Service Manual (repair manual). Page 9

9

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 optical pick-up label. When replacing the optical pick-up or non-volatile memory (IC195 of BD board), record
the Iop value on the optical pick-up according to the following procedure.

Record Procedure:
1. Press the 

[             ]

 button and 

[         ]

 button until the NetMD indicator turns off (for more than 3 seconds). (During this step, the USB

cable must be disconnected)

2. Connect the set to the PC with the attached USB cable.
3. Start up the software for test mode.
4. Click the 

[TEST MODE]

.

5. Click the 

[JOG UP]

 or 

[JOG DOWN]

 to display “[Service]”, and click the 

[ENTER/YES]

.

6. Click the 

[JOG UP]

 or 

[JOG DOWN]

 to display “Iop Write” (C05), and click the 

[ENTER/YES]

.

7. The display becomes “Ref=@@@.@” (@ is an arbitrary number) and the numbers which can be changed will blink.
8. Input the Iop value written on the optical pick-up label.

To select the number : Click the 

[JOG UP]

 or 

[JOG DOWN]

.

To select the digit

: Click the 

[PUSH]

.

9. When the 

[ENTER/YES]

 is clicked, the display becomes “Measu=@@@.@” (@ is an arbitrary number).

10. As the adjustment results are recorded for the 6 value. Leave it as it is and click the 

[PUSH]

.

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

Write (C05)”.

12. Quit the software for test mode after the 

[REPEAT]

 clicked.

When retrying this operation start from step1.

Display Procedure:
1. Press the 

[             ]

 button and 

[         ]

 button until the NetMD indicator turns off (for more than 3 seconds). (During this step, the USB

cable must be disconnected)

2. Connect the set to the PC with the attached USB cable.
3. Start up the software for test mode.
4. Click the 

[TEST MODE]

.

5. Click the 

[JOG UP]

 or 

[JOG DOWN]

 to display “[Service]”, and click the 

[ENTER/YES]

.

6. Click the 

[JOG UP]

 or 

[JOG DOWN]

 to display “Iop Read” (C26), and click the 

[ENTER/YES]

.

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

@@.@ : indicates the Iop value on the optical pick-up label.
##.#

: indicates the Iop value after adjustment

8. To end, click the 

[PUSH]

 and 

[MENU/NO]

 to display “Iop Read” (C26).

9. Quit the software for test mode after the 

[REPEAT]

 clicked.

When retrying this operation start from step1.

The test mode and recording of this set are controlled by a personal computer, thus requiring the set to be connected to the PC.
Prepare the personal computer in which necessary software is already installed.
• Attached software “OpenMG Jukebox” (necessary for recording (check in, check out)) (Part No. : 4-237-880-01)
• Software for test mode “TestMode_S.exe”  (“TestMode_S.exe” and essential files “data_files.csv”,  “Net MDUSB.dil” are distributed to-

gether with the Service Manual. For the test mode, copy these three files in the same folder beforehand)

In the operation in the test mode, the operational description requiring “click 

[xxx]

” means that you have to click the button on the screen.

(“xxx” indicates the button name)

B/>

x/Z

B/>

x/Z