TV Service Menu Codes for All Brands & Boards (2026)

Quick Summary: Comprehensive bench directory of factory service menu codes and emergency master reset procedures for Samsung, LG, Sony, TCL, Philips, Hisense, Vizio, and over 80+ television brands. Includes universal motherboard chassis sequences (Menu 1147, Input 2580, Menu 8202) for repairing inverted panel displays, LVDS mapping solarization, and retail store demo lockouts.

Every bench technician knows the situation: a television comes across the workstation with an upside-down display after a mainboard replacement, washed-out solarized colors (LVDS mapping mismatch), or trapped in a retail shop demo loop.

Before desoldering the SPI flash IC or hooking up an RT809H programmer, your fastest line of repair is almost always the Factory Service Menu.

This manual contains verified, real-world service codes compiled from workbench service manuals, factory engineering sheets, and universal board decoders.

⚠️ Workshop Safety Warning Before Proceeding

1. Take a photo of every menu page before altering a single parameter.

2. Never alter the Panel ID or Project ID blind. Choosing an incompatible display timing will cause an instant black screen or an unrecoverable restart loop.

3. If the screen ever displays cycling solid red, green, blue, and white screens, you have activated Panel Aging (Burn-in) Mode. Power down the set using the physical power switch or unplug the AC cord for 60 seconds to escape it.

Why Board Codes Matter More Than Brand Names

If you are working on modern budget Smart TVs (Intex, Lloyd, Sansui, Coby, Element, Westinghouse, Sceptre, Micromax), the brand printed on the front bezel is essentially a badge.

Under the hood, 90% of these sets use generic scalers and mainboards engineered by MStar/Sigmastar, RealTek, MediaTek, or Novatek. The service menu sequence is wired directly to the motherboard firmware, not the television badge. If your brand code fails, open the chassis back cover, read the white silkscreen board number on the PCB (e.g., TP.HV320.PB801 or CV56BH.Q42), and jump directly to Part 3.

Part 1: Service Menu Codes by Television Brand

Unless noted otherwise, perform these keypad sequences with the television powered ON, pointing the remote directly at the IR sensor in rapid succession (within 2 to 3 seconds).

AKAI

• Method 1: Press Menu → Enter 1 9 7 9.
• Method 2: Press Menu → Enter 8 2 0 2.
• Exit: Switch the TV into Standby using the remote.

AOC

• Press Menu → Enter 1 9 9 9.

Changhong / Ruba

• Source Methods: Press Source (or Input) → Enter 3138, 1125, 42580, or 3130.
• Menu Methods: Press Menu → Enter 1125, 1147, 2580, or 0816.

Coby

• Method 1: Press Menu → Highlight Audio (do not enter) → Enter 8893.
• Method 2 (LED chassis): Press Source → Enter 2580 → Navigate to Other Setting → Select Shipment → Choose Yes. Power cycle the unit to save.

Daewoo

• Press Source → Press Right Arrow → Press Down Arrow.

Dell Displays & TVs

• Code Sequence: Press Menu → Enter 3355.
• Hardware Override: With the unit on, press and hold the Input/Source button on the frame. Press and release Power (screen drops), press Power again (screen returns), and continue holding Input for 10 seconds until “TV has been reset” appears.

Dynex

• Method 1: Press Input → Enter 2580. The onscreen volume slider snaps to 50%, the TV reboots and brings up the factory OSD.
• Method 2: Press Menu → Enter 1999 → Press Enter.

Haier

• Method 1: Press Menu → Highlight Audio → Enter 8893 → Press OK.
• Universal Haier Board Codes: Menu 1147, Menu 8202, or Menu 4578.
• Exit: Press Exit or power down into standby.

Hisense

• Standard OSD: Open Menu → Sound → Set Balance slider to exact 0 → Input 0532. The factory engineering OSD will load.
• Parental Lock Bypass: Navigate to Settings → Parental Control → enter master pass 0000 → Select Clean All.

Hitachi

• Method 1: Press Menu → Press Menu → Press 8 → Press Select.
• Hardware Method (No Remote): TV in standby. Hold the physical Input key on the TV frame while pressing Power until the service matrix displays.

Insignia

• Press Input → Enter 2580.
• Alternative: Turn volume down to 0, then immediately press Input → 9876 → OK within 5 seconds.

LG Electronics

• Method 1 (Dual Key): Press and hold the physical OK button on the TV chassis AND the OK button on the factory remote simultaneously for 6 to 8 seconds.
• Method 2 (Menu Key): Hold Menu on the remote and Menu on the set until the 4-digit security challenge appears.
• Master Passwords: 0000, 0413, 8741, 8743, 7777, or 8878.
• Service Menu Tweaks:
  • USB Media Enable: Set Tool Option → USB to 1.
  • Hotel Mode Disable: Set Hotel Mode / Hospitality Mode from 1 to 0.
• Emergency USB Firmware Force: Put the matching .epk firmware inside a clean folder named LG_DTV on a FAT32 USB drive. Go to Settings → highlight Option (do not click OK) → tap the number 7 seven times on the remote.

Micromax

• B-Series: Source → 2580
• C-Series: Source → 3138
• K-Series: Menu → Sound → Balance → 1969
• 32T & Standard Series: Menu → 1147
• 40T Models: Menu → Highlight Contrast → Enter 9735

Panasonic (Viera LCD, OLED & Plasma)

• Factory Self-Check Reset: With the set turned on, hold the Vol (-) button on the TV frame while holding the Menu button on the remote for 5 seconds. Once the self-check diagnostic table reads all “OK”, pull the main AC cord.
• Bench Service Mode: Hold Vol (-) on the television frame, then press Recall (or Info) on the remote 3 times. Use keys 1 and 2 to browse blocks, and 3 and 4 to select adjustments. Press Power to store values into NVRAM.

Philips

• CSM (Customer Service Mode – Read Only): 123654
• SAM (Service Alignment Mode): 062596 followed by Info (or Menu).
• Factory Reset Sequence: Menu → Features → Software Info → Input 062597 → Info.
• Master Child Lock (V-Chip Override): 0711 (enter twice if prompted).

Samsung

• Standby Service Sequence (Standard): Put TV in Standby → Press Mute → 1 8 2 → Power.
• Standby Service Sequence (Alternative): In Standby → Press Info → Menu → Mute → Power.
• European Chassis Sequence: In Standby → Press Display → P.STD → Mute → Power.
• Instant Factory Reset (Without Menu): Turn TV on. Point the remote and hold the Exit button continuously for 15 seconds until the factory warning prompt loads, then choose OK.

Sharp

• Service Mode Entry: Disconnect the AC power cord. Hold Input and Vol (-) simultaneously on the physical TV buttons while reconnecting the power cord. Keep holding until a blue or white [K] character shows in the corner. Then press Vol (-) and CH (-) together to reveal the factory diagnostic matrix.

Sony (Bravia & Master Series)

• Standby Sequence: Put TV in Standby → Press Display (or i+) → 5 → Vol (+) → Power.
• Panel Hours Check: In Standby → Press Display → 5 → Vol (-) → Power. The hours counter displays in hex/decimal at the bottom left.
• Saving Settings: Press Mute followed by Enter (0) to commit parameters to EEPROM.

TCL

• Method 1: Open Menu → Navigate to Picture → Highlight Contrast → Enter 9735 (or 1950).
• TCL Android / Google TV Recovery Mode: Go to Settings → System → About → On the remote, press: Up, Right, Down, Right, Up, Fast Forward (3 times), Rewind (2 times), then the Back arrow.

Toshiba

• Method 1: Press Menu → Highlight Picture → Enter 9301.
• Method 2 (Direct): Press Mute on remote, release, press Mute again and keep holding it down while pressing the Menu button on the television set. An S will appear in the upper-right corner.

Vizio

• Method 1: Turn the TV off. Press and hold CH (+) and CH (-) on the television frame, tap Power on the frame, and release all three. Now press Menu on the remote control. An “F” icon will flash on the screen. Press and hold Menu for 5 seconds to load factory settings.
• Master PIN: If parental lock is engaged, enter master PIN 0000.

Part 2: Universal Service Codes (Generic Chinese Boards)

If working on unbranded or regional white-label sets, cycle through these primary universal combinations:

Master Trigger Key	Digit Combinations to Test
Menu	1147 (Most Common), 8202, 2580, 1950, 2008, 0000, 9735, 8896, 7710, 9301, 4725, 2588, 6483
Input / Source	2580 (Most Common), 1147, 3195, 3138, 0000, 208, 308, 2588, 6483
Mute	6483, 1147, 2580

Part 3: Service Codes Mapped by Motherboard Chassis

When the brand sequence fails, open the back panel and find the silkscreen number etched on the green or black PCB:

Motherboard Number	Processor / Architecture	Factory Sequence
T.VST59.031 / A81	MStar TSUMV59	Menu + 1147
TP.VST59S.PB813	MStar TSUMV59X	Menu + 1147
TP.HV320.PB801	MStar TSUMV59	Menu + 1147
T56J.11.2	TSUMV56	Menu + 1147 or Input + 2580
T.MS18VG.72 / 81B	MStar MST18	Menu + 1147
TP.MS338.PC821	Android Smart (MSD338)	Menu + 1147
TP.MS1306.PB772	MStar Android	Menu → Picture → Contrast → 9735
CV182L_B / CV181L-Y	MStar Scaler	Input + 2580
CV56BH.Q42	TSUMV56	Input + 2580
CV309H-X	MStar	Source + 2580
VS.Tp53U71.2 / U61.2	V53 Scaler	Input + 208
LAD.MV59S.G	MStar Scaler	Menu + 7710
5800-A8M260-0020	Skyworth OEM Board	Source + 3195
35017414 / 35016445	MediaTek MT8227	Menu + 2008 (within 3 seconds)
JUG7.820.531-3	MStar MST719	Input + 3138
40-T31TOT-MAB2HG	TCL OEM Chassis	Menu → Contrast → 1950 / 9735

Part 4: Model-Specific Code Tables

Intex LED Models

Service Code	Compatible Intex Models
Menu + 1147	LED-2200FHD, LED-2202 FHD, LED-2400 HD, LED-2800, LED-3107, LED-3207, LED-3199 GOLD, LED-3210, LED-3900 FHD, LED-2011 (19.5″), LED-2111 (20.7″), Splash-800, LED-2810
Menu + 8202	LED-2410, LED-2412, LED-3110, LED-4000FHD, LED-4200FHD, LED-4010FHD, LED-5000FHD, LED-4300FHD, LED-5010FHD
Menu + 8896	LED-1602, LED-1602N, LED-1902
Input + 2580	LED-1600, LE19HD08-B013, LED-40FHD10-VM, LED-3105T
Source + 6964	LED-1611-VT13, LED-2110, LED-2203FHD

Mitashi LED Models

Service Code	Compatible Mitashi Models
Source + 2580	MiC019V01, MiC022V01
Menu + 2580	MiC032V01, MiC019V04, MiC022V04, MiC024V04, MiE022V04, MiE024V04, MiC032V04, MiC040v01 FHD
Menu + 7168	MiC022V02, MiC022V03, MiE022V01
Menu + 8222	MiC032V02, MiE032V01, MiC032V07
Menu + 1147	MiE022v01, MiC019V07, MiC022V07, MiC024V07, MiE032v08, MiC040v01-EL, MiDE032v06, MiDE039v06 FHD, MiDE032v05, MiDE039v05, MiE019v08, MiE024v08/v09/v10 FHD, MiDE050v05 FHD
Menu + 0000	MiE024V01, MiE019v05, MiE022v05 FHD, MiE023v05, MiC022v05, MiC032v05, MiE032v02 FHD, MiE040v01 FHD, MiDE032v09, MiDE065v09 FHD

How to Clear Store, Shop & Demo Modes

If a television displays promotional banners around the screen borders or resets volume and picture tweaks every 15 minutes, it is locked in Commercial Store/Demo Mode.

• Samsung: Open Menu → Setup (or Support) → Select Plug & Play (or Home Mode). Quick Toggle: Press the physical Volume button on the TV frame, then hold the physical Menu button for 7 seconds until “Dynamic” flashes on the display.
• LG: Open Settings → Option → Mode Setting → Change from Store Demo to Home Use. If locked by hospitality setup, enter service menu and set Hotel Mode = 0.
• Sony: Press Home → Settings → Set-up → Auto Start-up → Reconfigure location to Home.
• Philips: Press Menu → Installation → Preferences → Location → Set to Home.

Bench Troubleshooting: How to Fix Common Service Menu Mistakes

1. Inverted or Mirror Display (Upside-Down Screen)

This happens when replacement universal boards are set to ceiling-mount configuration by default.

Fix: Enter Service Menu → Navigate to Panel Settings (or Special Setting) → Locate Mirror Mode (or Flip, H-Mirror, V-Mirror) → Change setting from Off to On (or HV_Flip) → Power down the set with the remote to write the register.

2. Washed Out, Solarized Colors (LVDS Map Error)

If the image looks like an over-exposed photo negative with blotchy skin tones, the motherboard output standard does not match the T-Con board.

Fix: Enter Service Menu → Go to Panel Settings → Locate LVDS Map (or TI/JEIDA format, LVDS Format, or Bit Depth) → Switch value between VESA and JEIDA (or toggle between 8-bit and 10-bit).

3. Screen Trapped in Red / Green / Blue / White Aging Loop

Fix: The scaler is in self-test mode. Unplug all video inputs (HDMI, Cable). Point the original remote at the unit and press the Power button repeatedly. If unresponsive, cut AC power for 5 minutes, reconnect power, and hold the physical Menu or Input key on the TV frame while powering on.

Frequently Asked Questions (Technician Q&A)

What is the most common universal TV service code in the world?

Menu 1147 is by far the most widely deployed service key across MStar and Novatek chassis worldwide, followed closely by Input 2580 and Menu 8202.

Will a factory reset in the service menu erase my firmware?

No. A factory reset wipes user settings, cached app states, and NVRAM channel maps, restoring factory default configuration tables. It does not erase or downgrade the core bootloader or kernel partitions.

How do I fix an upside down or inverted TV picture in the service menu?

Enter the service menu using your chassis code, navigate to Panel Settings, locate the Mirror Mode or Flip option, change it from Off to On (or HV_Flip), and power down the TV with the remote to save the new setting.

How do I fix solarized or negative colors after replacing a TV motherboard?

Open the service menu, select Panel Settings, and switch the LVDS Map (or TI/JEIDA format) between VESA and JEIDA standards until the color output matches the display panel.

What should I do if the service menu password was changed by a customer?

On Android and Smart TV mainboards, an altered security PIN can be bypassed by performing a forced recovery cache wipe. For non-smart boards, look for the 8-pin EEPROM chip (usually 24C32 or 24C64) near the scaler IC. Bridging the SDA and SCL pins (Pins 5 & 6) momentarily to ground during AC bootup forces the scaler to initialize with default register values.

Need Board-Level Firmware or Verified Program Binaries?

If a service menu sequence cannot revive the set due to corrupted NAND memory, an AVB security halt, or a frozen bootloop, the firmware must be flashed directly via USB or chip programmer.

You can lookup exact model firmware binaries, tested panel configurations, and engineer schematics directly on Ambi Support Firmware Repository or connect with our workshop engineers via Ambi Support WhatsApp Helpline.

Explore the Ambi Support Database

Access our verified repository of Smart TV USB firmware binaries and technician troubleshooting guides.