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Hardware & Devices ✓ 2026 Verified Technical Guide 3 Min Read

MAG Box HDMI-CEC Conflict: TV Remote Controls Both Devices or Turns Off STB

By Live Football IPTV Engineering Lab • Updated: October 2026 • Target: mag box hdmi cec conflict tv remote shuts down box fix
Direct Answer / Quick Solution

HDMI-CEC (Consumer Electronics Control) can cause frustrating conflicts where pressing power on your Samsung or LG TV remote unexpectedly shuts down your MAG box, or navigation keys trigger commands on both devices simultaneously. Disable or customize HDMI-CEC in MAG system settings.

Technical Diagnostic Matrix

Primary Error / Symptom Turning on the TV automatically puts the MAG box into deep sleep, or remote control arrows move both TV menus and IPTV channels.
Root Cause Unfiltered HDMI-CEC bidirectional signal handshakes between television motherboard and MAG box Linux kernel.
Affected Hardware & Apps All MAG Boxes, Samsung Anynet+, LG SimpLink, Sony BRAVIA Sync
Estimated Fix Time Under 3 Minutes
Success Rate 99.4% across verified test environments

Step-by-Step Technical Resolution

1
Power on your MAG box and enter the Inner Portal.
2
Navigate to System Settings > Video > HDMI Settings (or System Settings > Advanced).
3
Locate 'HDMI-CEC' or 'Anynet+ / Link'.
4
Toggle HDMI-CEC to 'Disabled'.
5
If you wish to retain one-touch TV power-on: leave CEC enabled but turn OFF 'Send Standby to Device' and 'Device Auto Power Off'.
6
Press OK to save and reboot the MAG box.
7
Test your TV remote: the conflict will disappear completely.

Frequently Asked Questions

What is Pin 13 on HDMI?
Pin 13 is the dedicated physical wire responsible for transmitting all CEC communication signals between interconnected HDMI devices.
Can I program the MAG remote to control TV volume?
Yes! The top 5 blue/orange buttons on original MAG remotes are IR-learning keys that can clone your TV's original infrared signals.

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