Explaining All Red Light Blinking Codes
Sony KD-55X9000A Red Light Blinking Fix (All Blink Codes) We will explain all the blinking codes of this model step by step in this article. This is a new model Sony LED TV. This article is being published by Sony LED TV Repair. To help fellow technicians, we will cover all the error codes from 2 blinks to 8 times blinking, and the solution will also be explained.Â
Self diagnostic screen display
Sony LED TVs have their own self-diagnostic system, which indicates a fault in the TV in the form of a red light blinking. This definitely helps us to understand in which section the fault is and whether the fault is hardware-related or software-related. You will get a clear idea from the picture below.
All Red Light blinks codes KD-55X9000A
2 blink error codeÂ
In the case of a two-blink error fault, you should disconnect the main power supply. 12V Check.Â
3 Blink error code solution
Check the audio amplifier and test its VCC supply.
Test the HDMI IC and check its clock data line to the system IC.
Test the tuner modulator, and check its power supply and its clock data to ensure that it is communicating properly with the system IC.
(AFE): I2C or SPI NACK from AFE device.
Detects errors in DDR-PHY DLL readiness, DRAM initialization, and FRC device communication via I2C.
(Scorpio IC): VBO Tx/Ayu2 lock fail, SPI Flash read error, or I2C communication issue.
Note : All the reasons mentioned above are included in the three-blink error code.
4 Blink red light fault
The four-blink error fault in this model comes from the LD board itself. We will write a separate article on this topic to fix the four-blink error fault.
5 blink red light errorÂ
You should search for this fault in the T-con board. This fault can occur due to the panel ID being disconnected or due to an internal short circuit in the panel.
6 time Red Light blinkÂ
six-time red light blink error This fault could be caused by a backlight fault, or the backlight driver could be overvoltage. Most likely, it is a backlight fault.
7 Blinking Red Light ErrorÂ
For this fault, you should search for the temperature sensor IC on the main board and test its clock data line.
8 Time Blinking ErrorÂ
This is a software error. Often, bad sectors appear in the eMMC flash, which causes software problems.
Conclusion
In this article, we have explained all the blinking error codes of the Sony X model KD-55X9000A series. We hope this article will help the technician. We will also publish a four-blink fault on this series model in the next few days. If you have any questions, write them in the comment box and we will answer you.
To dive deeper into this topic, check out our complete guide:
Sony KDL-55HX800 All Red Blink Codes
For detailed specifications and a full list of all COF numbers, visit our master list:
NT39525h-c5602b Complete COF Data Analysis
Sony led tv repair YouTube channel
Shaukat Ali has over 30 years of experience in LED TV repair, specializing in chip-level repair work. He is an expert in Sony LED TVs, and also repairs other major brands like Samsung, TCL, Orient, and Haier. His expertise includes display panel faults, motherboard issues, power supply circuits, T-Con, and HDMI faults. Based in Lahore, he shares real-time fault finding cases from daily repair work to help technicians and learners with practical experience.
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