Tuesday, October 20, 2015

SONY KDL-22EX550 - KDL-22EX553 - KDL-22EX555 - KDL-26EX550 - KDL-26EX553 - KDL-26EX555 - KDL-32EX650 - KDL-32EX653 - KDL-32EX655 SERVICE MODE AND LED BLINKING

SONY KDL-22EX550 - KDL-22EX553 - KDL-22EX555 - KDL-26EX550 - KDL-26EX553 - KDL-26EX555 - KDL-32EX650 - KDL-32EX653 - KDL-32EX655 

SERVICE MODE AND LED BLINKING 

SELF DIAGNOSIS 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. 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  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 first of 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
SELF-DIAGNOSTIC SCREEN DISPLAY
For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is possible to bring up past occurrences of failure for
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 >  VLOUME - > TV POWER

LED BLINKING AND TROUBLES  
2 BLINKS 
MAIN_POWE > Main 12 V failure
3 BLINKS
DC_ALERT  >> Main 5.0/3.3/1.2 V failure
AUD_PROT  >> Audio amp. protection
HDMI_EQ HDMI >> equalizer/switch I2C NACK
TU_DEMOD     >>  Tuner or demodulator I2C NACK
5 BLINKS
P_ID_ERR >> Panel ID EEPROM I2C NACK (Also panel power failure is a suspect)
6 BLINKS
 BACKLITE >> Backlight failure
7 BLINKS
TEMP_ERR >> Over temperature protection
TEMP_ERR >>Temp. sensor I2C NACK
8 BLINKS
Software Error (Also the main board’s memory or Wi-Fi module is a suspect)
HOW TO ENTER 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 >  VLOUME + > 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”
HOW TO CHANGE DATA
Note: “Digital” service mode don’t have to Save. (except “002 MODEL” and “005 CHPRSET” 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 “3 / 6” on remote change (up / down) data.
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.
HOW TO SAVE CHANGING DATA
1) 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.
2) TV reboot is necessary for applying data change.
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 “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 “002 VCOM” category by pressing “2 / 5” on remote.
e. Select “001 ADJUST” item by pressing “1 / 4” on remote.
f. Change data by pressing “3 / 6” on remote controller.
g. Finish the adjustment when the picture seems OK.