HCD-ZX10D, LBT-ZX10D - Sony Audio Service Manual (repair manual). Page 18

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This mode let you make diagnosis and adjustment easily by using
the remote commander and monitor TV. The instructions, diagnostic
results, etc. are given on the on-screen display (OSD).

•

Use the following test disc on test mode.
TDV-520CSO (DVD-SL): Part No. J-2501-236-A
LUV-P01 (CD)

: Part No. 4-999-032-01

TDV-540C (DVD-DL)

: Part No. J-2501-235-A

Do not use existing test disc for DVD.

1. Press the

I

/1

button to turn the power on.

2. Press the [FUNCTION] button to select the “DVD”.
3. Press two buttons of

x

(DVD) and  

Z

 

OPEN/CLOSE

simultaneously, and then turn the  [VOLUME]  knob clockwise.

4. The message “SERVICE IN” will be displayed on the

fluorescent indicator tube and the Test Mode Menu is displayed
on the on-screen display on the monitor TV as follows. The
model name and revision number is displayed at the bottom
of the on-screen display

           Test Mode Menu

0. Syscon Diagnosis

1. Drive Auto Adjustment

2. Drive Manual Operation

3. Mecha Aging

4. Emergency History

5. Mecha Error History

6. Version Information

7. Video Level Adjustment

                   Exit: POWER Key

Model    :LBT-ZX10D xx

Revision :x.xx

5. To execute each function, press its number by using numeric

button on the remote commander (RM-SD5).

6. To release from this mode, press the

I

/1

button to turn the

power off.

The same contents as board detail check by serial interface can be
checked from the remote commander operation.
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. EEPROM

4. GPIO

5. SD Bus

6. Video

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

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

     ### Syscon Diagnosis ###

          Diag All Check

           No.2 Version

           2-2. Version

ROM Reversion = X.XX

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 the

>

button to go to the next item,

or press the

.

button to repeat the same operation again.

To quit the diagnosis and return to Check Menu screen, press the
[RETURN] key on the remote commander to display Check Menu.

•

If an error occurred, the diagnosis is suspended and error is displayed.
Press the [RETURN]  key on the remote commander to quit the
diagnosis, or press the

.

button to repeat the same check where

an error occurred, or press the

>

button to continue the check

from the item next to faulty item.