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 Test Mode

A power source is put, and a Skip/Forward key and a Volume Up key are pushed after the "NO DISC" display
at the same time. (It keeps pushing it for about three seconds.)

ROM Renewal Mode

A power source is put with pushing a Skip/Forward key and Volume Down key at the same time.
(It keeps pushing it for about three seconds.)

The preparation date display of the program
10000000  ********
                                                   (Last updata)

Model number display
10000001  00007604
                                               (Model number)

The version display of the program
10000002  ********
                                                 (Program ver.)

Reagion number display
10000003  00000008
                          (Region code:Binary display)

Colour bar display

20000001  00000000 (FIP)

Micro-code number display
10000004  ********
                                              (Microcode ver.)

The preparation date display of the servo program
10000005  ********
                                                     (Servo ver.)

It is returned to the test mode initial image plane.

<The "2" key of the remote controller is pushed.>

<The "3" key of the remote controller is pushed.>

<The "1" key of the remote controller is pushed.>

Test mode initial image plane

F0000000  00000000

The "PLAY" key of the remote controller is pushed.

The "PLAY" key of the remote controller is pushed.

The "PLAY" key of the remote controller is pushed.

The "PLAY" key of the remote controller is pushed.

The "PLAY" key of the remote controller is pushed.

The "PLAY" key of the remote controller is pushed.

The "PLAY" key of the remote controller is pushed.

There is no copy guard signal.
What is the symptom at the time of dubbing to VTR?

Colour bar display

20000002  00000000 (FIP)

The "PLAY" key of the remote controller is pushed.

The "PLAY" key of the remote controller is pushed.

AGC only
What is the symptom at the time of dubbing to VTR?

Colour bar display

20000003  00000000 (FIP)

The "PLAY" key of the remote controller is pushed.

AGC+Colour stripe1
What is the symptom at the time of dubbing to VTR?

AGC+Colour stripe2
What is the symptom at the time of dubbing to VTR?

Colour bar display

20000003  00000000 (FIP)

To (1)

Micro-code is the thing of the process 
program of the system integrated circuit.

<Disk is put, and the "2" key of the remote controller is pushed.>

*It is usually returned in power source off for the state.

<The "1" key of the remote controller is pushed.>

DVD laser lights, the spindle motor 
rotates and the pickup moves to the 
outer periphery.
30000001   000000DD

<The "1" key of the remote controller is pushed.>

Note:Not to face the light of the laser squarely, 
         caution!

The "PLAY" key input.

The "PLAY" key input.

From (1)

STEP TEST
30000201  00000000

STEP TEST
30000202  00000000

STEP TEST
DD00E210  EEEEEEEE

When a disk is not in.

RF gain adjustment, Track on

Focus on

The "PLAY" key input.

STEP TEST
30000203  00000000

Focus gain adjustment

The "PLAY" key input.

STEP TEST
30000204  00000000

Track gain adjustment

The "PLAY" key input.

(******** is the sector ID.)

(******** is sub-Q.)

After TOC Reading, 
Follow-up play condition

STEP TEST
30000205  00000000

Focus balance adjustment

Focus balance of the layer 1, 
follow-up play condition after focus gain adjustment 

(In case of CD)

STEP TEST
DD000210  00000000

STEP TEST END
CD000210  ********

STEP TEST
DD000211  00000000

STEP TEST END
DD000212  ********

DVD laser off, CD laser on, spin kick, 
sled outer periphery feed
ErrDisplay0  ErrDisplay1
30000001   000000CD

<The "1" key of the remote controller is pushed.>

<The "1" key of the remote controller is pushed.>

Laser off, spin kick, sled outer periphery 
feed
ErrDisplay0  ErrDisplay1
30000001   00000000

1. Connect the DVD main unit and the computer as shown on the right. And then start-up the software for rewriting.
2. Turn on the power while the Skip/Forward key and the Volume Down key of the DVD main unit are kept pressed at the same time.

(Keep pressing about 3 second.)

The red LED flickers 5 - 6 times with the 0.5 second cycle and then the green LED flickers with 0.1 second cycle.

3. According to the computer display, data transfer prompt is issued by inputting “Y” and

pressing ENTER key, and when the rewriting starts normally,

The LED in green lights on from flickering.

4. When the rewriting is completed normally,

The green LED lights on.

5. After completing the rewriting and checking the display of No. 4 shown above,

always press the “RETURN” key. After that turn off the POWER.

6. Treatment in case of rewriting error

1

 The red LED flickers with 0.1 second cycle (When the stop key is pressed it

return to the condition of “2” so write again.)

2

 The red/green LED flickers by turns (When the stop key is pressed it becomes

the condition of “5” so write again from “1”.)

Personal computer

(DOS)

DVD itself

Connect to the video input 
terminal. 
Connect the “red” audio cable to jig.

Fixture for the ROM renewal