HBD-NF7220 - Sony Audio Service Manual (repair manual). Page 10

Note: The photo in fl ow is an image.

Procedure:
1.  Remove the INSULATOR (4 pieces) and broken optical 

device KEM480AHA/C2RP1 (OP1) from LOADING ASSY 
(LOM1).

2.  Take photo of the barcode on new optical device KEM480A-

HA/C2RP1 (OP1) bottom side by digital camera.

3.  Assemble the INSULATOR (4 pieces) to new optical device 

KEM480AHA/C2RP1 (OP1), fi x (Torque value: 2 kgf) it to 
LOADING ASSY with screw, and assemble this unit.

4.  Drag & drop the taken photo by step 2 to “BDPRDec.exe”, and 

make the text data (File name: BuData.txt).

5.  Save the text data to USB memory.
6.  Connect USB memory with USB connector on this unit, and 

turn the power on.

7.  Press the [FUNCTION] button on the remote commander to 

select “BD/DVD”.

8.  Press the buttons on the remote commander in order of 

[x] [DISPLAY] [X] [M], and enter the service mode.

9. Press the [m] button on the remote commander to select “[8] 

Drive” and press [ ] button on the remote commander.

10. Repeat the same procedure as 9 to select and execute “[1] 

Drive OP data Write”.

11.  Turn the power off after writing the OP data.
12. Turn the power on, and enter the service mode again.
13. Press the [m] button on the remote commander to select “[8] 

Drive” and press [ ] button on the remote commander.

14. Repeat the same procedure as 13 to select “[7] OP Check 

Menu” then “[3] dIOP”, and the dIOP value is displayed.

15. Confi rm value is the following specifi cation value, and turn the 

power off.

 Specifi cation value:
 BD 

: 

6 mA

 DVD/CD 

: 

9 mA

16. Turn the power on, confi rm playback performance of the BD 

(BLX-104)/DVD (HLX-513)/CD (HLX-A1).

17. Completely assemble this unit, and complete the repair.