SONY KDL-22EX320 - KDL-22EX321 - KDL-22EX325 - KDL-22EX421 - KDL-22EX425 - KDL-22EX520 - KDL-22EX521 - KDL-22 EX523 - KDL-22 EX524 - KDL-22EX525 SERVICE MODE AND WHITE BALANCE ADJUSTMENT

SONY KDL-22EX320 - KDL-22EX321 - KDL-22EX325 - KDL-22EX421 - KDL-22EX425 - KDL-22EX520 - KDL-22EX521 -  KDL-22EX523 - KDL-22EX524 - KDL-22EX525 

SERVICE MODE AND  WHITE BALANCE ADJUSTMENT 

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 as follows, and entering service mode
DISPLAY > Channel 5 > Volume UP > TV POWER
3) Service mode display.
Note: First of all, when you enter Service Mode, you can see “Digital” service mode.
Whenever you press “OPTIONS” or “JUMP” on remote, each service mode is changed.
“Digital” -> “Chassis” -> “VPC”.
4) How to use the remote commander.
Function
The flow of control
Service mode on
<Test>+<TV>/<Display><5><Vol Up><Power>
Service mode off
<Other> / <Power off + on>
Change module
<Jump> / <Option>
Write data
<Mute> + <0>
Execute
<10 or 0>
Read data
<9> + <0>
Test reset
<8> + <Mute> + <0>
Data up / down
<3>/<6>
Category up / down
<2>/<5>
Item up / down

<1>/<4>



5) After entering service mode, then turn off the power switch.
WHITE BALANCE ADJUSTMENT
Note: Please execute this adjustment if necessary.
Change Data of “VPC” service mode. (“006 WB” category)
a. Press “1” or “4” on remote to select WB adjustment menu.
b. Change data by pressing “3” or “6”. Each range of these items is 0~255.
c. Press “mute”
”0” on remote to save the data.
“SERVICE” comment is changed to “WRITE”, indicating writing process.
d. After a while, “WRITE” comment returns to “SERVICE”, which means writing process is done.
VCOM ADJUSTMENT
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.
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
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
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
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.
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
3) Write data for “Digital” service mode. ( “002 MODEL” category)
Note: This procedure operation, when replaced the B board.
Note: Do not write a wrong segment or destination information in Product ID.
When the wrong setting is written, TV may not operate.
000 SEG -----------------Select JDM code information
001 DEST ---------------Select destination information
002 MODELNAME ---Select model name
004 SERIAL ------------ Can be set only once for the new board
a. Change data for each model.
b. Press “Mute”, “0” on remote sequentially.
It shows red “WRITE”. It indicate writing is processing.
c. After a while. Red “WRITE” disappears. Writing process is done after a while.
SET TO SHIPPING CONDITION
How to do shipping condition.
a. Move to “Digital” service mode.
Press “8” on remote.
It shows green “SERVICE” changes to green “RST-”.
Press “mute” on remote.
Added green “EXE” after green “RST-” .
d. Press “0” on remote. Green “EXE-RST” changes to red “EXE-RST”. It indicate writing is processing.
After a while, red “EXE-RST” changes to green “SERVICE”.
And all LED lights.
Writing process is done at this point.
HDD REC SETTING
HDD Re-Register
a. Press “2” to select “HDD Re-Register” Item.
b. Press “Enter” or “12” twice to execute the command.
c. If OK, xx= x+1
If NG, xx=x
BLOCK DIAGRAM
CLICK ON THE IMAGE TO ZOOM IN