How much does a kart module Xiaomi in 2026: prices, models and where to buy with a guarantee

If youโ€™re looking for a kart module for a TV or a Xiaomi projector, youโ€™ve probably already encountered a lot of name confusion, price scattering, and doubts about the originality of details. This small but critical component is responsible for processing video signals and often causes breakdowns, from artifacts on the screen to no image at all. In 2026, the market is filled with both original modules from Xiaomi and cheap replicas, which can vary by 2-3 times.

In this article, we will analyze the current prices for karting modules for popular Mi models. TV We'll also talk about Mi Projector, which is better to buy on AliExpress, in Russian stores or from official dealers, and how to distinguish counterfeits by appearance and marking, so as not to waste money. If your Xiaomi TV stops turning on or gives an error No Signal, chances are that the problem is in this module.

Carting module (from English carting - "cart", in the context of electronics is often called T-CON Board or timing controller, is a board that controls the display matrix. In Xiaomi TVs and projectors, it is responsible for synchronizing signals, color correction and image scanning:

  • ๐Ÿ”ด Show vertical/horizontal stripes
  • ๐Ÿ”ด Blink or spontaneously switch off
  • ๐Ÿ”ด Backlight Fault (with working lighting)
  • ๐Ÿ”ด Not at all (the indicator is on, but no image)

Prices for kart modules range from 1,500 to 12,000 rubles depending on the model of the TV, the generation of the chip and the place of purchase. TV 4S 55" (2020) can be found for 2 300-3 500 rubles, while for the flagship Mi TV Q2 75" (2023) price starts from 8 000 rubles.

๐Ÿ“Š Where do you plan to buy a kart module for Xiaomi?
AliExpress
Ozone/Wildberries
Official Xiaomi service
Local repair centre
I haven't decided yet.

Prices for kart modules Xiaomi in 2026: a comparative table

Below is an up-to-date price table for original and compatible modules for popular Xiaomi models, collected based on offers from trusted sellers (June 2026).Please note: prices may vary depending on the yuan/dollar exchange rate and stock availability.

Television/projector modelArticle of the modulePrice (original), โ‚ฝPrice (remark), โ‚ฝWhere to buy cheaper
Xiaomi Mi TV 4A 32"/43" (2018โ€“2020)T43X-M011 800โ€“2 500900โ€“1 300AliExpress (Xiaomi Official Store)
Xiaomi Mi TV 4S 50"/55" (2020โ€“2021)T55X-M023 200โ€“4 0001 800โ€“2 500Ozone (Mi-Shop seller)
Xiaomi Mi TV Q1E 55" (2022)T55Q1E-M015 500โ€“6 8003 500โ€“4 200Wildberries (official partner)
Xiaomi Mi Projector 2 ProP2PRO-TCON4 200โ€“5 1002 800โ€“3 500Local service centres
Xiaomi Mi TV A2 43" (2023)T43A2-M033 800โ€“4 5002 200โ€“2 800AliExpress (Mi Global Store)

Modules for Xiaomi TVs 2023-2026 (for example, series) A2 or Q2) They often come with updated firmware that can't be stitched to old board revisions. Check the serial number compatibility before you buy!

โš ๏ธ Note: AliExpress often sells โ€œenhancedโ€ replicas labeled Upgrade Version on the guise of original modules, which may not work stable or support all functions (e.g., upgraded versions, HDR or MEMC). Check reviews with photos of real buyers!

Where to buy a kart module for Xiaomi: pros and cons of sites

The choice of place of purchase depends on your priorities: speed of delivery, price or guarantee of originality.

  • ๐Ÿ›’ AliExpress is the widest range and the lowest prices, but the risk of a fake is high. Look for sellers with a rating above 98% and reviews in Russian. Delivery takes 2-4 weeks.
  • ๐Ÿฌ ozone/Wildberries โ€” quick-delivery (2โ€“5 days), but prices 20โ€“30% Check if the seller is an official partner of Xiaomi.
  • ๐Ÿ”ง Service centers are guaranteed original spare parts, but the price can be overstated by 1.5-2 times".
  • ๐Ÿค Groups in Telegram/VK โ€” You can find used modules at bargain prices, but without any guarantee.

If you buy a module for self-replacement, pay attention to the configuration: the box should be:

  • ๐Ÿ“ฆ The board itself in antistatic packaging
  • ๐Ÿ”Œ Coils (if not integrated into the module)
  • ๐Ÿ“„ Warranty card or check (for original details)

๐Ÿ’ก

Before you buy, ask the seller to send a photo of the module on both sides and compare the labeling with the original board from your TV.

How to distinguish the original Xiaomi karting module from a fake

Fake modules may look identical to the original, but differ in the quality of soldering, chips and firmware used.

  1. Marking: The original board must have a clearly marked article (for example, T55X-M02), The lines are often blurred or printed in a different font.
  2. Rationing quality: Check the contacts under the magnifying glass, which is flat, without soldering, and fakes are often soldered by hand, so you can see the drops of tin.
  3. Chips: The main chip (usually Novatek or MStar) on the original is laser-engraved. On replicas, the marking can be painted.
  4. Packaging: The original modules come in Xiaomi's branded hologram boxes.The fakes are often packaged in simple antistatic packages.

If you have already bought a module and doubt its authenticity, check the TV after installation:

  • โœ… Original: clear image, no artifacts, all functions (HDR, MEMC) work.
  • โŒ Fake: There may be broken pixels, flickering in bright scenes, or lack of support for some modes.
What happens if you install a non-original module?
Non-original karting modules can cause the following problems: Loss of support for functions (for example, Dolby Vision or Dolby Vision). ALLM). - Color rendering impairment (shift to cold/warm tones). - Self-involuntary reboots of the TV under high load (for example, in games). - Shortened matrix life due to incorrect signal synchronization. In some cases, the unoriginal module can even disable the TV motherboard!

Self-replacement of the karting module: step-by-step instructions

If you decide to replace the module with your own hands, follow this instruction. Attention: the work requires accuracy and basic soldering skills (if you need to solder the plumes).

Turn off the TV for 10 minutes (discharge of capacitors)|Prepare the workplace (antistatic mat, screwdrivers)|Take a picture of the location of the plumes and connectors|Buy a thermal paste (if the module with a radiator)-->

Step 1: Disassemble the TV

Remove the back cover of the TV by unscrewing all the screws (usually hidden under rubber plugs). Be careful - some Xiaomi models have hidden latches! Unplug all the plumes from the motherboard and power supply.

Step 2: Dismantling the old module

The mapping module is usually located next to the matrix and connected to it through the LVDS-Carefully unplug the plumes (don't pull the wires!) and unscrew the board. If the module is soldered to the matrix, you'll need a hair dryer to warm the contacts.

Step 3: Installation of a new module

Set the new charge in reverse order.

  • ๐Ÿ”Œ Polarity of plumes (usually marked in red or white).
  • ๐Ÿ”ฅ If the module has a radiator, apply a fresh heat paste.
  • ๐Ÿ“ Density of fitting - there should be no gaps between the board and fasteners.

Step 4: Checking the performance

Connect the TV to the network and check:

  • ๐Ÿ–ฅ๏ธ Does the Xiaomi logo appear when enabled.
  • ๐ŸŽฎ Are there any artifacts in dynamic scenes (e.g., in games).
  • ๐Ÿ” Correct color rendering (compare with reference image).

โš ๏ธ Note: If the TV does not turn on or gives an error after the module is replaced E001, Check: Correct connection of the plumes (especially) LVDS). Compatible with the motherboard version of the module firmware, short circuit (multimeter power contacts) 30% of the time after the module is replaced requires resetting the TV settings to factory (Settings) โ†’ On TV. โ†’ Reset).

Frequent mistakes when buying and replacing a karting module

Even experienced users sometimes make mistakes that lead to additional costs, and here are the most common:

  • ๐Ÿ” Buying a module from a TV model, not a card item. for example, for Xiaomi Mi TV 4S 55" there are 3 revisions of karting modules (T55X-M01, T55X-M02, T55X-M03). If you buy the wrong version, the module will either not work or will glitch.
  • ๐Ÿ’ฐ Savings on plumes: Old plumes can be damaged when dismantled. If they show any cracks or scuffs, replace them with the module (costs 300-800) โ‚ฝ).
  • ๐Ÿ”Œ Ignoring firmware. Some modules require firmware through the service menu (Settings) โ†’ For developers โ†’ Without this, the TV may not recognize the new board.

Another common mistake is to buy a module from AliExpress without checking reviews, for example, sellers often indicate that the module is suitable for Mi. TV 4A, But it's only compatible with the 2019 revision, not the 2020 revision!

๐Ÿ’ก

Before buying a module, be sure to check its article on the official Xiaomi website or in the service center. Even if the models of the TVs match, the internal boards may differ!

Alternatives to buying a new module: repair or use

If the price of a new karting module bites, consider alternative options:

  • ๐Ÿ”ง Repair of the old module: 40 percent of the time, the problem is with capacitors or resistors that can be replaced by yourself (parts cost 50 to 300). โ‚ฝ). For diagnosis, a multimeter and soldering station are needed.
  • ๐Ÿ”„ On Avito or in the repair teams, you can find working modules 2-3 times cheaper than new ones, the main thing is to check them before buying (ask for a video of the test on your work TV).
  • ๐Ÿ“ž If the TV is guaranteed and the module is out of order due to the manufacturer (for example, due to a factory defect), Xiaomi must replace it for free.

If you decide to repair the module yourself, here are the typical faults and ways to fix them:

Symptoms.Possible causeRenovation method
Vertical stripes on the screenNovatek chip malfunction or track breakRe-silver the chip or restore the track wire
Screen flickeringBloated capacitors in the food chainReplace the capacitors with new ones (the capacity is the same!)
No image, but the lighting works.There is no signal from the motherboard.Call the plumes, check the connectors.

โš ๏ธ Note: When soldering chips on a karting module, use a soldering station with temperature adjustment (maximum 350)ยฐC) Overheating can damage the multilayer board! If experience is limited, it is better to contact the workshop - repairs will cost less than replacing a burned motherboard.

FAQ: Frequent questions about Xiaomi kart modules

๐Ÿ”น Can I use a karting module from another Xiaomi model?
No, even if the TV models look similar, their karting modules may differ in connectors, firmware or supported resolutions. TV 4A 43's not good for Mi TV 4S 43" although the diagonals match. Always check the card item!
๐Ÿ”น How much does it cost to replace a karting module in a service center?
The cost of working in official Xiaomi services is 1,500-3,000 rubles (plus the price of the module); in informal workshops you can meet 800-1,500 rubles, but without a guarantee for work.
๐Ÿ”น How to check that the karting module is out of order?
Main features: The screen is turning on but the image is missing (backlighting is working), colored stripes or "snow" appear. The TV gives a Backlight Fault error, but the backlights are working. For accurate diagnosis, connect the TV to another signal source (for example, through a backlight). HDMI). If the problem persists, the module is to blame.
๐Ÿ”น Can I run a karting module on my own?
Yes, but only if you have a firmware dump for your model of module. CH341A or RT809H. Firmware file (can be found on forums) 4PDA BadCaps: A soldering iron for connecting to chip contacts. โš ๏ธ Risk: Wrong firmware can finally "kill" the module!
๐Ÿ”น Where to find diagrams and datasheets for kart modules Xiaomi?
Xiaomi does not publish official schemes, but they can be found on Chinese forums (for example, in the Chinese forums, ZNDS Or Weibo. In groups. VK/Telegram Xiaomi repairs, on sites like BadCaps. TV Use the article of the module (e.g., Repair) to search, T55X-M02 schematic).