DVP-NS9100ES - Sony DVD Service Manual (repair manual). Page 22

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First, a grid lights up one after another, and when grid 16 lights up,
all grids light up.
Next, all grids go off, and segments are displayed while changing
the patterns.
A way of this display is repeated.
(The interval of grid lighting is 0.2 second, and that of segment
lighting is 0.4 second.)

If the

x

button is pressed, the test proceeds to the following SIRCS

reception check.

Upon start of the SIRCS reception check, “SIRCS CHECK” is
displayed on the FL tube.
Once the SIRCS key code is received, the test proceeds to the
following Key check.

If the

x

button is pressed as a cancel processing of the SIRCS

reception check, the test proceeds to the following Key check.

FL tube GRID check

The 18th SEG of each GRID on

GRID16 on

ALL OFF

The 1st SEG of each GRID on

The 2nd SEG of each GRID on

GRID1 on

(0.2 sec interval)

(0.2 sec interval)

(0.2 sec interval)

(0.4 sec interval)

(0.4 sec interval)

(0.4 sec interval)

(0.4 sec interval)

(ALL GRIDs light up)
(0.2 sec interval)

GRID2 on

Wait  for SIRCS code receiving

(Once the SIRCS code is 

received, the check finishes.)

Cancel processing
(Press the  

x

  button)

SIRCS reception check

SIRCS reception check finish

Execute the Self Check Mode along the following flow.

The Display Test mode starts if either of the following conditions is
satisfied.

Condition 1:
With the SELF_CHECK (pin oj) of the IF CON (IC404) on the
MAIN board kept “low”, turn the power on.

Condition 2:
While pressing the

x

key on the set when the set is in standby

state, press the [RETURN]  t  [DISPLAY]  key on the remote
commander and the mode transits to the Self Check mode.

When the Self Check mode started, “TEST START” is displayed
on the FL tube for 2 seconds and then the Self Check proceeds to
the IF CON information display.

To release the Self Check mode, disconnect the AC plug.

When enter this mode, it displays as follows.

If the

x

button is pressed, the test proceeds to the following FL

tube GRID and SEGMENT check.

I/F CON information

FL tube grid and segment check 

SIRCS reception check

Key check

Jog and LED check

START

FINISH

All segments turn on

Model type display

Destination display

i.LINK ID display

Version display

ROM creation date display