KDL-40ZX1 (serv.man2) - Sony TV Service Manual (repair manual). Page 36

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KDL-40ZX1 (AUS/NZ)     3-1E
SECTION 3
ADJUSTMENT
3-1. WHITE BALANCE ADJUSTMENT
1) Connect video signal of all white to video input.
After setting, keep the TV to aging state for 30 minutes.
2) Set the TV with the menu picture screen as follows.
PICTURE MODE : Cinema
BACKLIGHT
: Max
PICTURE
: Max
COLOR TEMP
: High
3) Enter to service mode, then displays the second page on the
screen.
Fig.3-1
4) CUT OFF Adjustment
Change the all white signal in 20IRE and adjust the value of
three “R-BKG”, “G-BKG” and “B-BKG” so that whiteness
degree of the screen becomes best position.
In this case, it is easy to adjust it when moving the “B-BKG”
value mainly.
5) DRIVE Adjustment
Change the all white signal in 80IRE and adjust the value of
three “R-DRV”, “G-DRV” and “B-DRV” so that whiteness
degree of the screen becomes best position.
In this case, it is easy to adjust it when moving the ”B-DRV”
value mainly.
6) Repeat above steps 4) and 5) for several times, and then per-
form to best screen condition.
7) Save the changing values in “Color Save”.
8) Confirm that there is not the problem with the normal picture
screen.
Color Save
R-DRV
G-DRV
B-DRV
R-BKG
G-BKG
B-BKG
0100
0100
0100
0200
0200
0200
Service
ITEM
DATA
5
( Number button ) ( Volume )
( TV standby )
( On screen display )
3-2. HOW TO ENTERING SERVICE MODE
1) Turn on the main power switch to place this set in standby
mode.
2) Press the buttons on the remote commander (RM-ED013) as
follows, and entering service mode.
Fig3-2
3) How to use the remote commander.
Fig.3-3
4) After entering service mode, then turn off the power switch.
Color Save
R-DRV
G-DRV
B-DRV
R-BKG
G-BKG
B-BKG
0100
0100
0100
0200
0200
0200
Service
Color Save
R-DRV
G-DRV
B-DRV
R-BKG
G-BKG
B-BKG
0100
0100
0100
0200
0200
0200
Service
Press joystick
 "     " down button 
Color Save
R-DRV
G-DRV
B-DRV
R-BKG
G-BKG
B-BKG
0100
0100
0100
0200
0200
0200
Service
Press joystick
 "     " right button 
Press joystick
 "     " up or down buttons
to change the data
Color Save
R-DRV
G-DRV
B-DRV
R-BKG
G-BKG
B-BKG
0100
0100
0111
0222
0200
0200
Service
Press joystick
 "     " left button 
Press joystick
 "     " up button 
Color Save
R-DRV
G-DRV
B-DRV
R-BKG
G-BKG
BBKG
0100
0100
0100
0222
0200
0200
Service
Color Save
R-DRV
G-DRV
B-DRV
R-BKG
G-BKG
B-BKG
0100
0100
0111
0222
0200
0200
Service
Press joystick
 "     " center button 
Save the data value.
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