Friday, March 20, 2015

SONY KDL- 40NX800 - KDL- 40NX803 - KDL- 40NX805 - KDL- 52NX800 - KDL- 52NX803 - KDL- 52NX805 SERVICE MODE AND ADJUSTMENTS

SONY  KDL- 40NX800 -  KDL- 40NX803 - KDL- 40NX805 - KDL- 52NX800 - KDL- 52NX803 - KDL- 52NX805 

SERVICE MODE AND ADJUSTMENTS 

SELF DIAGNOSIS FUNCTION
The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY LED will automatically begin to flash. The number of times the LED flashes translates to a probable source of the problem. A definition of the STANDBY LED flash indicators is listed in the instruction manual for the user’s knowledge and reference. If an error symptom cannot be reproduced, the remote commander can be used to review the failure occurrence data stored in memory to reveal past problems and how often these problems occur.
DIAGNOSTIC TEST INDICATORS
When an error occurs, the STANDBY LED will flash a set number of times to indicate the possible cause of the problem. If there is more than one error,the LED will identify the firstof the problem areas. Result for all of the following diagnostic items are displayed on screen. If the screen displays a “0”, no error has occurred .
STBY LED Flash time
Servicemenu Item name (Screen Display)
Diagnostic Item Description
2
MAIN_POWE
Main Power Over Voltage Protection
3


DC_ALERT
DC_ALERT
DTT_ WDT
DTT Error
AUD_ PROT
Audio Abnormal Detection
4
BALANCER_
Panel Balancer Error
5


TCON_ ERR
T-CON Error
HFR_ERR
HFR Error
P_ ID_ERR
PanelID NVM Error
6
BACKLITE_
Back Light Error (Panel Inverter)
7

TEMP_ ERR
Thermal Error
FAN_ ERR
FAN Error (Not Detected. DisplayOnly)
8
-
Not used
9
-
Not used
10
-
Not used
11
-
Not used
12
-
Not used
-

RGB_SEN
RGB SensorACK Error

SELF-DIAGNOSTIC SCREEN DISPLAY
For errors with symptoms such as “power sometimes shuts off”or “screen sometimesgoes out”that cannot be confirmed, it is possible to bring up past occurrences of failurefor confirmation on the screen:
[To Bring Up Screen Test]
In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:
DISPLAY > CHANNEL 5 >VOLUME - > POWER

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 + > POWER
3) Service mode display.
Note: First of all, when you enter Service Mode, you can see “Digital” servicemode. Whenever you press “OPTIONS”or “JUMP”on remote, each service mode is changed. “Digital” - > “Chassis”-> “Sub”.
4) How to use the remote commander.
Function
Theflow of control
Service mode on
<Test>+<TV>/<Display><5><Vol Up><Power>
Service mode off
<Other> / <Poweroff +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“Digital”service mode. (“006 WB”category)
a. Press “0”or “10”on remote to enter WB adjustment mode.
b. Press number key “1”~”6”directly. “*”stamp move.
c. Press “12 / enter / select”to decide and advance next step. When returning on the previous page, press “return”.
d. Change data by number key “0”~”9” directly. (0-255)
e. Press “12 / enter / select”to save data. It shows red “WRITE”. It indicate writing is processing.
f. Writing process is done at this point.
SAVE CHANGING DATA
1) Change Data of“Chassis”or“Sub” service mode
2) Write data for“Chassis”or“ Sub”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”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 inProduct ID. When the wrong setting is written, TV may not operate. 000 SEGnnn Product ID -segment information 001 DESTnnn Product ID –destination information
a. Change data for each model.
b. Press “0”or “enter”on remote. It shows red “WRITE”. It indicate writing is processing.
c. Writing process is done at this point.

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”or “enter”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.
<Another way>
You can set to shipping condition w/o entering Service Mode.
-> “Cursor Up”on remote + “Power Key”on Front panel.