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1)  At the display of Sub menu4, 1. Color Bar 100% is selectively displayed.
2)  Selection of 1. Color Bar 100% 

t  Return to Sub menu4 after seamless playback from T22_C1 to T22_C13.  1. Color Bar 100% is 

selectively displayed on Sub menu4 screen.

3)  Selection of 2. Color Bar 75% 

t  Return to Sub menu4 after seamless playback from T22_C2 to T22_C13.  1. Color Bar 100% is se-

lectively displayed on Sub menu4 screen.

4)  At the selection of 3 - 13, item 3 mentioned above is executed as the routine.
5)  At the display of Sub menu4, Main Menu is selected 

t  Jump to Main Menu. At the display of Main Menu, 1. Video Signal of 59.94Hz/720P 

is selectively displayed.

6)  Selection of LPCM Audio 

t  Playback from T44_C1 to T50_C1. SubPic that corresponds to Audio stream 1 is forcibly displayed.

 

During the playback, when audio channel changes, the caption that corresponds to each audio stream is forcibly displayed. Return to 
Sub menu4 after playback. 1. Color Bar 100% is selectively displayed on Sub menu4 screen.

7)  Selection of Dolby AC-3 Audio 

t  Playback of T51_C1. SubPic that corresponds to Audio stream 1 is forcibly displayed.

 

During the playback, when audio channel changes, the caption that corresponds to each audio stream is forcibly displayed. Return to 
Sub menu4 after playback. 1. Color Bar 100% is selectively displayed on Sub menu4 screen.

8)  Selection of Motion Picture 

t  Return to Sub menu4 after playback of T52_C1.  1. Color Bar 100% is selectively displayed on Sub 

menu4 screen.

9) Selection 

of 

AV 

Sync 

t  Return to Sub menu4 after playback of T68_C1.  1. Color Bar 100% is selectively displayed on Sub menu4 

screen.

10) At the selection of Main Menu, 1. Video Signal of 720/59.94P of Main Menu is selectively displayed.

•

ESD Measures

It is necessary to check the working space ESD condition 

before starting the Drive Part (BU) repairs.

The ESD-resistance of BD Laser is weaker than DVD/CD Laser

To prevent ESD destruction, please make sure the working 

space and human ESD.

BDP-S790 can play the BD-disc

BLX-104

BDP-S790 can play the DVD/CD-disc

 Check Drive Power Supply

Q303 Pin 6: 12V 

IC307 Pin 1: 5V

Check PS301, PS302

Replace PS when open

Check / replace the FFC cable, then check 

BDP-S790 operates normally

OPT-007 FFC cable (1-839-585-11)

Check the Optical Block Unit (BU) by 

service mode. (Flowchart zz)

BU IOP is OK?

Replace the Optical Block Unit (BU)

Optical Block Unit (BU) replace 

(Flowchart yy)

OK

DVD: HLX-513
CD: HLX-A1

SPD-007  FFC cable (1-839-582-11)

Before BU Replacement

~

BDP 7G (BDP-S790) s

eries component structure is as same as conventional DVD Players.

However BD player requires precise read out functions and also secure contents Protection 
system.
Since above requirement, it is necessary to set/adjust  BU data to EEPROM.

The following cases need Adjustments;

(1)Replace BU (MB is original)
(2)Replace MB (BU is original)
(3)Replace both BU and MB

•JIG Requirement

Digital camera (recommend with macro mode)

Barcode decoder (BDPRdec_ver3.0) installed in JIG PC’s

USB memory 
ESD work bench

•Procedure (all cases) 

Refer the diagram

Inside *Service Mode Menu

Select [8] Drive

Inside *Drive

Select [7] OP Check Menu

Inside *OP Check Menu

Select [3] dIOP then press 'ENTER'

Specification dIOP

BD: 6mA

DVD, CD:  9mA

IOP out of specification need BU 

replacement

Optical Block Unit (BU) replace 

(Flowchart yy)

AC Power OFF

+-

+-

Enter Service Mode

AC Power ON

Press [Display]--> [0]-->[2]-->[1]-->[SUBTITLE]

by Remote Commander

Remove the defective BU from Loading

Assy and also remove BU insulator (4pcs)

Unpack new BU and take OP Data Barcode

photo by camera

Assemble BU with Insulators to Loading

Assy (tighten screw with 2kgf.cm)

Decode the OP Data Barcode photo  u 

  s

   ing

BDPRdec.exe and save the test data to 

USB memory

(File Name: BuData.txt)

Enter Service Mode and insert USB memory

to USB connector

Select [8] Drive --> 

Select [1] Drive OP data Write

Press ENTER

After Finishing ReWrite OP data

--> Turn AC Power OFF

And confirm dIOP  by select [7] OP Check

Menu to verify IOP in specification

IOP in specification --> Turn AC Power OFF

Turn Power ON and check playback

performance using BD, DVD and CD

BLX-104

DVD: HLX-513
CD: HLX-A1

The following cases need OP Data Write:

(1) Replace BU (MB is original)
(2) Replace MB (BU is original)
(3) Replace both BU and MB

JIG requirement

Digital camera (with macro mode)
Barcode decoder (BDPRdec.exe)
installed in jig
PC's (jig purpose)

USB memory
ESD free work bench

Select mode: 1 or 2

Explanation:

Mode 1: BDV set
Mode 2: BDP-S790

KEM-480AAA/C2RP1
Packing Spec.

KEM480AAA/C2RP1
Packing Spec.

Open a box

Take a top covered
cushion out

Don’t touch the area!!

Open a bag

Take BU out

①

②

③

④

⑤

⑥

⑦

⑧

⑨

Take BU out

Don’t Reuse the bag!!