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Model
KDL-32EX421 KDL-32EX425 KDL-32EX520 KDL-32EX521 KDL-32EX523 KDL-32EX524 KDL-32EX525 KDL-37EX521 KDL-37EX524 KDL-37EX525 KDL-40EX520 KDL-40EX521 KDL-40EX523 KDL-40EX524 KDL-40EX525 KDL-46EX520 KDL-46EX521 KDL-46EX524 KDL
Pages
67
Size
3.99 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / S/N RANGE 1,000,001 - 1,999,999
File
kdl-32ex421-kdl-32ex425-kdl-32ex520-kdl-32ex521-kd.pdf
Date

Sony KDL-32EX421 / KDL-32EX425 / KDL-32EX520 / KDL-32EX521 / KDL-32EX523 / KDL-32EX524 / KDL-32EX525 / KDL-37EX521 / KDL-37EX524 / KDL-37EX525 / KDL-40EX520 / KDL-40EX521 / KDL-40EX523 / KDL-40EX524 / KDL-40EX525 / KDL-46EX520 / KDL-46EX521 / KDL-46EX524 / KDL Service Manual ▷ View online

KDL-32EX421,425/37EX521,524,525/32/40/46EX520,521,523,524,525(AEP/UK)
29
ADJUSTMENT
VCOM ADJUSTMENT 
(IMPORTANT - Only for S-LCD 60Hz Panels)
Note: Please execute this adjustment if necessary.
1) Change Data of “Digital” service mode.
a. Select 
“003 DIG_SRV_MODE”
category by pressing “2 / 5” on remote.
b. Press “0” to go to “TEST PATTERN” Mode.
c. Press “Enter” or “12” to go into Video TEST PATTERN.
d. Press “7” or “8” to select the test pattern.
e. Press “Enter” or “12” twice to show the VCOM TEST PATTERN.
DIGITAL (DIG_SRV_MODE)    SERVICE
TEST  PATTERN
‐‐> 1  Video
*1  White
2  Ramp
3  R Raster
4  G Raster
5  B Raster
6  Color Bar
7  VCOM Pattern1
8  VCOM Pattern2
9 Off
Please input a white level.
(00‐10)
KDL-32EX421,425/37EX521,524,525/32/40/46EX520,521,523,524,525(AEP/UK)
30
ADJUSTMENT
2) Change Data of “VPC” service mode.
a. Select 
“002 VCOM”
category by pressing “2 / 5” on remote.
b. Select “000 ENABLE” item by pressing “1 / 4” on remote.
c. Change ENABLE from  “0” to “1” to enable VCOM adjustment.
VPC
SERVICE
002
VCOM
000
ENABLE
0
d. Select “001 ADJUST” item by pressing “1 / 4” on remote.
.
.
e. Change data by pressing “3 / 6” on remote.
f. Finish the adjustment when the picture seems OK.
VPC
SERVICE
002
VCOM
001
ADJUST
64
3) Change Data of “Digital” service mode.
a. Select 
“007 VCOM”
category by pressing “2 / 5” on remote.
b. Change data from “1” to “0” by pressing “3 ” on remote.
c. Confirm the final result of the VCOM adjustment.
d.  If OK, Finish the VCOM adjustment.
If NG, pressing “6” to show the OSD again and go back to VCOM adjustment 2)-d.
VPC
SERVICE
010
VCOM
000
SRV_OSD_EN
1
KDL-32EX421,425/37EX521,524,525/32/40/46EX520,521,523,524,525(AEP/UK)
31
SAVE CHANGING DATA
1) Change Data of “Chassis” or “VPC” service mode
2) Write data for “Chassis” or “VPC” service mode
a. Press “Mute” on remote.
It shows green “
SERVICE
” changes to  green “
WRITE
”.
b. Press “0” or “enter” on remote. Green “
WRITE
” changes to red “
WRITE
”. It indicate writing is processing.
c. After a while, red “
WRITE
” changes to green “
SERVICE
”. Writing process is done at this point.
3) TV reboot is necessary for applying data change.
ADJUSTMENT
CHASSIS
WRITE
000
WYVERN
000
S2_NOISE_TH      32
KDL-32EX421,425/37EX521,524,525/32/40/46EX520,521,523,524,525(AEP/UK)
32
DIGITAL(DIG_SRV_MODE) SERVICE
TEST_PATTERN
*1 Video
2 Audio
DIGITAL
SERVICE
003 DIG_SRV_MODE
000 TEST_PATTERN  
‐‐‐
DIGITAL
SERVICE
004 TUNER
000 !A_NOSIG_DET   
001
ADJUSTMENT
CHANGE DATA
Note: “Digital” service mode don’t have to Save. (
except
“002 MODEL” and “005 CHAPRESET” category)
1) Change Data of “Digital” service mode. (
except
“003 DIG_SRV_MODE” category)
a. Press “2 / 5” on remote to select (up / down) category.
b. Press “1 / 4” on remote to select (up / down) Item.
c. Press “0 / 10” on remote to select item.
2) Change Data of “Digital” service mode. (
“003 DIG_SRV_MODE”
category)
“003 DIG_SRV_MODE” is one category of “Digital” service mode.
Please note because this operation is special.
a. Press “2 / 5” on remote to select “003 DIG_SRV_MODE”.
b. Press “1 / 4” on remote to select (up / down) Item.
c. Press “0 / 10” on remote to select item.
d. Press number key “1”~”9” directly. “*” stamp move.
e. Press “12 / enter / select” to decide and advance next step. Press “return”, when returning on the
previous page.
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