XAV-V630BT - Sony Car Audio Service Manual (repair manual). Page 22

If any of the following parts was replaced, execute the “Flicker 
Adjustment” as mentioned below.
•  CHASSIS MAIN ASSY (Including MAIN board)
•  FRONT PANEL ASSY (Including LCD module, Touch panel)
•  COMPLETE KEY BOARD

Preparation:
•  Remote commander (RM-X170)

FLICKER  ADJUSTMENT
1.  Turn the power on, and perform the aging more than fi ve min-

utes.

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

the buttons on the remote commander in order of the [4] 

→ [5] 

→ [4] (press only the [4] button for two seconds).

 

The test mode 4 starts, and the following screen is displayed on 
the monitor.

 

(Displayed colors/values in the following fi gure are example)

PAL_SEL:0
SWAP:0
VCOM:064

TEST  4

3. Press the [B] button on the remote commander to set the 

“PAT_SEL:9”.

4. Press the [b] button on the remote commander to set the 

“SWAP:0”.

5.  Press the [V] or [v] button on the remote commander to adjust 

so that the fl icker becomes minimum in the sight.

 

(There is a point most suitable in the range of VCOM:045 to 
VCOM:090)

 

The relation between the fl icker and the adjustment value has 
the characteristic such as the following fi gure.

o

m

6.  Press the [PUSH SOURCE/ VOICE] button on the main unit, 

and turn the power off.