Saturday, March 05, 2016

SONY KD-55X9000A - KD-65X9000A - Service mode – LED blinking codes - Self Diagnostics - Service mode adjustment – LED Television repair and service

Category: LED Television Repair and Service 

Contents of this article

  • How to access service mode
  • Power light blinking and causes  


SONY KD-55X9000A - KD-65X9000A

DIAGNOSTIC TEST INDICATORS
When an error occurs, the Smart Core Red 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
LED BLINKING AND FAULTS
RED LED blinking count

Detection Items

2x



<G/B> Main 12V failure [MAIN_POWE]
* This failure is not saved.



3x
















<B> Main 5.0/3.3/1.8/1.0/ 1.1V failure [DC_ALERT]
* 5.0/1.0V failures are not saved.
<B/S> Audio amp. protection [AUD_PROT]
<B> HDMI equalizer/switch I2C NACK [HDMI_EQ] * There is Temp. sensor on the same I2C bus
<C> HDMI switch/equalizer I2C communication monitoring. [HDMI_EQCX]
<B> Tuner or demodulator I2C NACK [TU_DEMOD]
<B> AFE device I2C NACK [AFE_I2C]
<B> AFE device SPI NACK [AFE_SPI] * only for AEP,CH

<B> Scorpio VBO Tx Lock monitoring. [SC_OUT_ERR]
<B> VBO Lock monitoring between Ayu2 and Scorpio. [SC_ERR]
<B> Scorpio SPI Flash read error detection. [SC_ERR]
<B> Scorpio device I2C communication error detection. [SC_ERR]

<B> DDR-PHY DLL ready error detection for FRC. [FRCD_I2C]
<B> DRAM initial sequence done error detection for FRC. [FRCD_I2C]
<B> FRC device I2C communication error detection. [FRCD_I2C]

4x
<L/P> LED driver failure/LED voltage protection [LD_ERR]

5x




<P/T/G/B> Panel ID EEPROM I2C NACK (Also panel power failure is a suspect) [P_ID_ERR]

<T> TCON device I2C NACK [TCON_ERR]
<T> TCON device Initialization failure [TCON_ERR]
6x


<G/T/P/B> Backlight converter OVP[BACKLITE]

7x



Over temperature protection [TEMP_ERR]
<B> Temp. sensor I2C NACK [TEMP_ERR] * There is HDMI Eq on the same I2C bus.

8x
Software Error (Also the main board’s memory or CAM module is a suspect)

Circuit Boards Description 
<G>: Power supply board, <B>: Main board, <T>: Tcon board, <L>: LED driver (LD) board
<P>: Panel module , <S>: Speaker, <A>: Power Adapter, <C>: CX board
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:
INFORMATION > CHANNEL 5 > VOLUME - > POWER ON
Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic screen.
After you have completed the repairs, clear the result display to “0”. Clearing the Self Check Diagnostic List
1. Error history and Error count : Press the Channel 8 => Channel 0 .
2. Panel operation time : Press the Channel 7 => Channel 0 .
Exiting the Self-diagnostic screen
To exit the Self Diagnostic screen, turn off the power to the TV by pressing the POWER button on the remote or the POWER button on the TV.
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.
3) Service mode display.
INFORMATION > CHANNEL 5 > VOLUME + > POWER ON

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”
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.
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. (“003 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 0~1023.
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.
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 BLINK Smart Core WHITE LED.
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.