Replacement of curtains on Xiaomi TV: instructions with photos and videos

Replacement of the curtain (infrared filter) on Xiaomi Mi TVs TV — One of the most common procedures for repairing a matrix or restoring an image, which is responsible for evenly distributing the backlight and protecting against glare, but can eventually fail, with dark stripes, sliding, or uneven brightness. In the service center for such work will take from 3 to 8 thousand rubles, but with the tools and accuracy you can cope on your own.

In this article, we will learn how to remove the old curtain, choose a replacement (including analogues from other brands), and install it without damaging the matrix. TV 4S/4A/4X/5 mi TV Q1/Q2, You'll also learn which errors most often cause damage to the polarization layer, which is a critical detail that can't be repaired after mechanical action.

If your TV is rippling in bright light or you have vertical stripes on your screen, don't be quick to blame the matrix. In 60 percent of cases, the curtain is the problem. It's easy to check this by shining a flashlight at an angle on the screen that's off. If the defects are visible and unlit, the filter is to blame.

What is a curtain in a Xiaomi TV and why to change it

The curtain (or) IR-The filter is a thin film that sits between the matrix and the protective glass, and it has three key functions:

• 🔹 Polarization of light – removes glare from external sources (windows, lamps).
• 🔹 Dispersing backlighting – makes the brightness uniform across the screen.
• 🔹 Protection of the matrix – prevents dust and mechanical damage.

Over time, the curtain degrades, losing transparency, becoming covered with microcracks or peeling off the adhesive layer.

• 📺 Vertical or horizontal stripes (most often on Mi) TV 4S 55").
• 📺 «A murky" image - as if the screen is covered with a light haze.
• 📺 Rainbow divorces when viewed at an angle (defect of the polarization layer).
• 📺 Local dark spots are a sign of film detachment.

On models Xiaomi Mi TV Q1/Q2 quantum-dot (QLED) The curtain is integrated into the optical layer, and replacing it requires a complete disassembly of the panel (4A, 4X) filter is attached to bilateral tape and changes for 20–30 minute.

⚠️ Warning: If you see a vertical colored line on the screen (red, green, blue) the problem is not the curtain, but the matrix or the plume.

What tools will be needed to replace

You'll need a minimum set of tools to work with, most of which are in the household, but some of which you'll have to buy (like screen suction cups).

For Mi models TV 5 Pro and later will require an antistatic bracelet – these TVs are sensitive to static electricity. If not, regularly touch grounded metal objects (for example, batteries).

Step-by-step: how to remove the curtain from Xiaomi Mi TV

The process of disassembly depends on the model, but the overall algorithm is the same. We will consider a universal method suitable for most Xiaomi TVs from 2018-2026.

Remove all cables and accessories from the TV

Prepare the workplace (clean surface, good lighting)

Take a picture of the location of screws and plumes

Wear an antistatic bracelet (for 5 Pro and newer models)

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Step 1 Remove the back cover

Unscrew all screws around the perimeter (usually) T5 or T6). On the Mi models TV 4X And the lid is also held on the latches -- you can put it in a plastic pickup, starting at the bottom corner. Be careful, because there's often a plume of control buttons in the bottom right corner -- don't tear it!

Step 2. Disconnect the matrix

After removing the lid, you will see a metal frame with a matrix. Carefully disconnect all the plumes (usually 2-3: the main one). LVDS, Power and touch for Touch Control models. The plumes are latched, lift them up before extraction.

Step 3: Removal of the protective glass

This is the most important step. Place the suckers at the corners of the glass (not on the matrix!) Pull evenly, without jerking. If the glass does not lend itself, warm the edges with a hairdryer (temperature not higher than 60).°C. On Mi. TV Q2 glass is especially glued – use a thread or guitar string to trim the scotch.

Step 4: Removing the old curtain

The curtain is attached to a bilateral tape around the perimeter, scalpel the angle of the tape, and slowly pull it with a hair dryer, and if the film breaks, it's okay, because the main thing is not to damage the polarization layer of the matrix (it is located immediately under the curtain).

⚠️ Attention: On Mi models TV 5X And the newer curtain can be glued to the matrix, and you can't remove it without damaging the screen, you need to replace the entire module.

How to choose a new curtain: original vs analogues

Original curtains for Xiaomi are sold under articles starting with the MDZ- (for example, MDZ-06-01 for Mi TV 4S 55"). Their pros: perfect match in size and optical properties. Cons: price (from) 1 500 before 4 000 RUB and long delivery (often only from China).

Alternatives:

• 🔄 Universal curtains from BOE or CSOT — They are suitable for 90% of Xiaomi models (you need to specify the size.
• 🔄 Polarization films for monitors are a cheap solution (300-500 rubles), but worse in terms of the quality of light scattering.
• 🔄 Used curtains from donor TVs are risky (may be microcracks), but cheap (200-600 rubles).

When choosing, pay attention to:

1. Size – should match the diagonal of the TV (for example, for Mi). TV 4A 43" needs a 43-inch curtain).
2. Type of coating: AG (Anti-Glare – matte, removes glare, but reduces contrast. AR (Anti-Reflective – glossy, retains brightness but shines.

Thickness

Before buying, check the compatibility of the matrix resolution. TV 4S 55" permittingly 3840×2160 I'll fit the curtain. TCL 55P6 (same-matrix BOE).

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If you can't find a curtain for your model, look for the matrix article, which is shown on the back of the screen sticker (e.g., the back of the screen, LTD550EM1).

Installation of a new curtain: a step-by-step guide

The installation process is reversed, but there are nuances. The main rule is: do not touch the inside of the curtain with your bare hands - only with gloves or behind the edges. Fat marks from the fingers will remain forever!

Step 1. Surface preparation

Clean the glass and the matrix of dust and glue residues with isopropyl alcohol. Rub with microfiber (not paper wipes!). On Touch Control models, don't use aggressive solvents - they will damage the conductive layer.

Step 2. Applying glue

If you use double-sided tape, stick it around the perimeter of the glass, retreating 2-3 mm from the edge (3M VHB) Apply a thin layer along the contour and let it dry for 5-10 minutes. TV Q2 curtain is attached to silicone gel - it must be applied point-by-point, without smearing.

Step 3. Laying the curtain

Carefully place the curtain on the glass, starting at the top edge, smooth it with a plastic card from center to edge to avoid bubbles. If you have folds, raise the corner and reglue. AG-light turbidity after installation is allowed - it will disappear after 12-24 hours.

Step 4: Build the TV

Put the glass back in, plug the plumes in, and twist the lid. Turn on the TV and check:

• 📺 Lack of glare in bright lighting.
• 📺 Uniform lighting (no dark corners).
• 📺 Image clarity (no blurring).

⚠️ Warning: If you've got rainbow stripes after you've replaced it, it means the curtain is upside down.

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On the Mi models TV The 5 Pro and newer curtain is integrated into the optical layer, requiring a complete disassembly of the matrix and often not cost-effective — it is cheaper to buy a new TV.

Frequent Mistakes and How to Avoid Them

Even with careful work, you can make mistakes that will lead to deterioration of the image or breakage of the TV.

1. Symptoms: cloudy image, low brightness Solution: Check the matrix article and the curtain compatibility.
2. Symptoms: black dots on the screen. Solution: take the TV apart and blow it in compressed air.
3. Symptoms: deformity of the curtain or matrix. Solution: heat the dryer for no longer than 10 seconds in one area.
4. Symptoms: no image or artifacts. Solution: check the density of contacts (should be a click).
5. Symptoms: spontaneous reboots, broken pixels. Solution: use an antistatic bracelet.

On the Mi models TV 4X A common problem is that the scotch is detached 1-2 months after replacement, and it's due to poor-quality glue. 3M 468MP glue LOCTITE 406 (dotted).

If the TV is not turned on after the replacement, check:

Where to buy a curtain and how much it costs

Prices for curtains vary from 300 to 5 000 rubles depending on the model and type (original / analogue).

• 🛒 AliExpress - the widest range, but long delivery (2-4 weeks). Average price: 500-1 500 rubles.
• 🛒 Yandex Market / OZON — Fast delivery, but limited choice, prices 20 to 30 percent higher than Ali.
• 🛒 Local service centers – sometimes sell used parts from donor TVs (cheaper 2-3 times).
• 🛒 VKontakte Groups/Telegram — For example, "Repair of Xiaomi TVs," which often sell original parts with a guarantee.

Approximate prices by model (for 2026):

Before buying, check with the seller:

• 📌 Compatible with your matrix revision (e.g. Mi) TV 4S matriculated BOE and CSOT — curtains are not interchangeable!).

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If you are not sure about the choice, order a curtain with AliExpress marked “For Xiaomi Mi”. TV [Your model]. Vendors often test compatibility and indicate it in the description.

FAQ: Answers to Frequent Questions