XAV-612BT - Sony Car Audio Service Manual (repair manual). Page 27

XAV-612BT

If any of the following parts was replaced, execute the “Flicker 
Adjustment” as mentioned below.
•  Liquid crystal display panel (LCD1)
•  Complete DISPLAY board
•  Front panel complete assy (FP1)

Preparation:
• Remote 

commander

•  Input signal for AUX2 IN jack (NTSC and PAL white 40% 

raster)

FLICKER  ADJUSTMENT
1.  Input the NTSC white 40% raster signal from AUX2 IN jack 

on the rear side of main unit.

2.  In the state of source off (Home screen is displayed), pressing 

the buttons in order of the [4] → [5] → [7] (press only the [7] 
button for two seconds) button on the remote commander.

 

T7

<Service Mode>

1. Flicker Adjustment
2. W/B Adjustment
3. Touch Panel Initialize

3.  Press the [1] button on the remote commander, change to the 

NTSC adjustment screen.

 

T7

Video

NTSC 3e90140

AUX 1

AUX 2

1: The display of the adjustment screen disappears, when there 

is no operation of a remote commander for fi ve  seconds. 
Please touch a screen, in order to issue the adjustment display 
again.

 

The minimum value of NTSC adjustment value is displayed.

 

The adjustable range is from “3e90140” to “3e90310” (Hexa-
decimal).

4. Press the [V] or [v] buttons on the remote commander, adjust 

so that the fl icker becomes minimum.

5.  Input the PAL white 40% raster signal from AUX2 IN jack on 

the rear side of main unit.

6. Press 

the 

[B] or [b] buttons on the remote commander, change 

to the PAL adjustment screen.

 

T7

Video

PAL 4b00140

AUX 1

AUX 2

 

The minimum value of PAL adjustment value is displayed.

 

The adjustable range is from “4b00140” to “4b00310” (Hexa-
decimal).

7.  Press the [V] or [v] buttons on the remote commander, adjust 

so that the fl icker becomes minimum.

8.  When the adjustment of both NTSC and PAL fi nished, press 

the [ENTER] button on the remote commander. The message 
“Data saved successfully” appears on the screen.

 

(Display values in the following fi gure are example)

 

T7

Video

PAL 4b00250

AUX 1

AUX 2

Data saved successfully

2: When only one of the two of NTSC or PAL adjusted and 

saves, the NTSC or PAL which is not adjusted is saved by the 
minimum value of an adjustable range.

Releasing method:
Press the [OFF] button on the remote commander.