DVP-S9, MHC-S9D - Sony Audio Service Manual (repair manual). Page 12

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The Test Mode allows you to make diagnosis and adjustment eas-
ily using the remote commander and monitor TV. The instructions,
diagnostic results, etc. are given on the on-screen display (OSD).

1.

Press the

I/1

*

1

 button to turn the power on.

2.

Turn the 

[FUNCTION]

*

2

 knob to select “DVD”.

3.

While pressing the

x

and 

[PLAY MODE]

 button, press

the

.

button to enter the test mode.

4.

It displays “TEST MODE”  on the fluorescent indicator tube,
and displays the Test Mode Menu on the monitor screen as
follows. (At the bottom of the menu screen, the model name
and revision number are displayed)

Test Mode Menu

0. Syscon Diagnosis

1. Drive Auto Adjustment

2. Drive Manual Operation

3. Mecha Aging

4. Emergency History

5. Version Information

6. Video Level Adjustment

                Exit: POWER Key

_

Model

: xxx-xxxx_xx

Revision : 1.xxx

5.

To execute each function, select the desired menu and press its
number on the remote commander (RM-SD390AV or RM-
SD395AV).

6.

To release from test mode, press the

I/1

*

1

 button and turn

the power off.

All items continuous check
This menu checks all diagnostic items continuously. Normally, all
items are checked successively one after another automatically un-
less an error is found, but at a certain item that requires judgment
through a visual check to the result, the following screen is dis-
played for the key entry.

### Syscon Diagnosis ###

Diag All Check

No. 2 Version

 2-3. ROM Check Sum

Check Sum = 2005

Press NEXT Key to Continue

Press PREV Key to Repeat

_

For the ROM Check, the check sum calculated by the Syscon is
output, and therefore you must compare it with the specified value
for confirmation.
Following the message, press

>

key to go to the next item,

or

.

key to repeat the same check again. To quit the diagnosis

and return to the Check Menu screen, press

x

or 

[ENTER]

 key.

If an error occurred, the diagnosis is suspended and the error code
is displayed as shown below.

### Syscon Diagnosis ###

 3-3. EEPROM Check

Error 03: EEPROM Write/Reed N

Address

: 00000001

Write Data : 2492

Read Data

: 2490

Press NEXT Key to Continue

Press PREV Key to Repeat

_

The same contents as board detail check by serial interface can be
checked from the remote commander.
On the Test Mode Menu screen, press 

[10/0]

 key on the remote

commander, and the following check menu will be displayed.

### Syscon Diagnosis ###

Check Menu

0. Quit

1. All

2. Version

3. Peripheral

4. Servo

5. Supply

6. AV Decoder

7. Video

8. Audio

_

Quit the Syscon Diagnosis and return to the Test Mode Menu.

Press

x

key to quit the diagnosis, or

>

key to repeat the same

item where an error occurred, or

.

key to continue the check

from the item next to faulty item.