Sony KDL-40X200A / KDL-46X200A Service Manual ▷ View online
30
KDL-40X200A/46X200A
KDL-40X200A/46X200A
3-3. WHITE BALANCE ADJUSTMENT
Adjust the White Balance using the User Menu and the Service Menu
when you replace boards or the LCD Panel.
when you replace boards or the LCD Panel.
3-3-1. USER MENU ADJUSTMENTS
Use the following procedure to adjust the items from the User Menu
before adjusting items in the Service Menu.
before adjusting items in the Service Menu.
Press the
V/v/B/b
to move the on-screen cursor. Press
to select/
confirm an item
1. Display the User Menu by pressing
on the Remote Commander.
2. Select the Settings option.
3. Change the Picture Mode to Custom.
4. Select the Backlight option.
a. Set the Backlight option to MAX.
5. Select the Advanced Settings option.
NOTE: The Advanced Settings option is only available after you
select Custom from the Picture Mode.
select Custom from the Picture Mode.
a. Set following registers to Off:
Black Corrector
Advanced C.E.
Gamma
Clear White
b. Select the White Balance option.
c. Set the R, G, B Gain and R, G, B Bias to 0.
6. Put the TV in standby mode. (Power off).
31
KDL-40X200A/46X200A
KDL-40X200A/46X200A
3-3-2. SERVICE MENU ADJUSTMENTS
Use the following procedure to adjust the Service Menu items for White
Balance Adjustments.
Balance Adjustments.
NOTE: GAINR, GAING, & GAINB are White Balance Adjustments for
Highlight and OFFR, OFFG, & OFFB are White Balance Adjustments
for Offset.
Highlight and OFFR, OFFG, & OFFB are White Balance Adjustments
for Offset.
1. Access the Service Menu by pressing the following buttons on the
Remote Commander within a second:
The service menu displays.
2. Press the
button until the DE Micro service menu displays.
PANEL
SERVICE
Diff
1
0 WINDOW
0 win_no
0
DE MICRO
3. Press 2 until the 6 MAIN_WB category displays.
4. Press 1 until the 4 GAINR item displays.
PANEL
SERVICE
Diff
1
6 MAIN_WB
4 GAINR
4 GAINR
520
DE MICRO
Category
Item
Data Value
5. Press 3 to increase or 6 to decrease the data value.
(Do not increase the GAINR data value higher than 520.)
6. Repeat steps 4 & 5 for each of the following items:
a. 5 GAING (data value is fixed at 512)
b. 6 GAINB - Do not increase the higher than
b. 6 GAINB - Do not increase the higher than
540 (KDL-40X200A)
530 (KDL-46X200A)
c. 8 OFFR
d. 9 OFFG (data value is fixed at 512)
e. 10 OFFB
d. 9 OFFG (data value is fixed at 512)
e. 10 OFFB
7. To write into memory, press
then
on the Remote
Commander.
PANEL
WRITE
Diff
1
6 MAIN_WB
4 GAINR
4 GAINR
520
DE MICRO
Text color changes to red when saving.
PANEL
WRITE
Diff
1
6 MAIN_WB
4 GAINR
4 GAINR
520
DE MICRO
8. To exit service mode, turn the power off.
32
KDL-40X200A/46X200A
KDL-40X200A/46X200A
SECTION 4: DIAGRAMS
4-1. CIRCUIT BOARDS LOCATION
4-2. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS INFORMATION
All capacitors are in µF unless otherwise noted. pF : µµF 50WV or
less are not indicated except for electrolytics and tantalums.
All electrolytics are in 50V unless otherwise specified.
All resistors are in ohms. k
less are not indicated except for electrolytics and tantalums.
All electrolytics are in 50V unless otherwise specified.
All resistors are in ohms. k
Ω=1000Ω, MΩ=1000kΩ
Indication of resistance, which does not have one for rating
electrical power, is as follows:
electrical power, is as follows:
Pitch : 5mm
Rating electrical power :
1
/
4
W
1
/
4
W in resistance,
1
/
10
W and
1
/
16
W in chip resistance.
: nonflammable resistor
: fusible resistor
: internal component
: panel designation and adjustment for repair
: earth ground
: earth-chassis
All variable and adjustable resistors have characteristic curve B,
unless otherwise noted.
unless otherwise noted.
Readings are taken with a color-bar signal input.
Readings are taken with a 10M
Ω digital multimeter.
Voltages are DC with respect to ground unless otherwise noted.
Voltage variations may be noted due to normal production
tolerances.
tolerances.
All voltages are in V.
S : Measurement impossibility.
: B+line.
: B-line. (Actual measured value may be different).
: signal path. (RF)
Circled numbers are waveform references.
The components identified by shading and
!
symbol are critical for safety. Replace
only with part number specified.
The symbol
indicates a fast operating fuse and is displayed on the component
side of the board. Replace only with fuse of the same rating as marked.
H4 Board
AU Board
QT Board
H5 Board
H1 Board
G1 Board
D2 Board
(KDL-46X200A Only)
(KDL-46X200A Only)
D1 Board
(KDL-40X200A Only)
(KDL-40X200A Only)
D3 Board
(KDL-46X200A Only)
(KDL-46X200A Only)
QM Board
BE2 Board
H3 Board
33
KDL-40X200A/46X200A
KDL-40X200A/46X200A
REFERENCE INFORMATION
RESISTOR
: RN
: RN
METAL FILM
: RC
SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW
: FUSE NONFLAMMABLE FUSIBLE
: RW
NONFLAMMABLE WIREWOUND
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
:
ADJUSTMENT RESISTOR
COIL
: LF-8L MICRO INDUCTOR
: LF-8L MICRO INDUCTOR
CAPACITOR
: TA
: TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
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