Installation Guide
Tools Needed:
- Phillips screwdriver set
- Flathead screwdriver
- Anti-static wrist strap
- Needle-nose pliers
- Multimeter
- Plastic spudger tools
Step-by-Step Installation
- Safety First: Disconnect TV from power source and allow capacitors to discharge for 30 minutes before beginning any work.
- Remove Back Cover: Carefully remove all screws from the back panel and gently separate the back cover from the TV frame.
- Identify Components: Locate the main board, power supply board, T-Con board, and LED backlight strips.
- Disconnect Cables: Carefully disconnect all ribbon cables and wire harnesses from the board being replaced.
- Remove Old Board: Unscrew the mounting screws and remove the defective board from the TV chassis.
- Install New Board: Position the replacement board and secure with mounting screws.
- Reconnect Cables: Reattach all ribbon cables and wire harnesses to the new board.
- Test Operation: Reconnect power and test TV operation before reassembling the back cover.
Specifications
| Model Series | V-Series, M-Series, P-Series |
| Display Type | LED-LCD, QLED |
| Screen Sizes | 32" - 85" |
| Resolution | HD, Full HD, 4K UHD, 8K UHD |
| Refresh Rate | 60Hz, 120Hz, 240Hz |
| Smart Platform | Vizio SmartCast |
| HDR Support | HDR10, Dolby Vision, HLG |
| Power Requirements | 120V, 60Hz, 1.5-4A |
| Connectivity | HDMI, USB, Ethernet, Wi-Fi, Bluetooth |
| Audio Output | 20W - 50W (depending on model) |
Warranty Information
- Limited Warranty: 1 year parts and labor
- Panel Warranty: 1-2 years depending on model
- Extended Coverage: Optional protection plans available
For warranty service, contact Vizio Customer Service at 1-855-472-4946 or visit Vizio.com
Key Features
Main Board (Motherboard)
The central processing unit of the TV, handling input processing, SmartCast functionality, and overall system control. Contains the main processor, memory, and input/output controllers.
Power Supply Board
Converts AC power to various DC voltages required by different TV components. Includes voltage regulators, transformers, and protection circuits for stable power delivery.
T-Con Board (Timing Control)
Processes video signals from the main board and controls the LCD panel's row and column drivers. Essential for proper image display and resolution scaling.
LED Backlight System
Provides illumination for the LCD panel. Includes LED strips, diffusers, and backlight driver boards. Available in edge-lit and full-array configurations.
LCD Panel Assembly
The actual display component consisting of liquid crystal cells, color filters, polarizers, and glass substrates. Available in various sizes and resolutions.
Input/Output Board
Handles all external connections including HDMI ports, USB ports, component inputs, and audio outputs. Contains port controllers and signal conditioning circuits.
Common Replacement Parts
Remote Control
Original Vizio remote controls with full functionality including SmartCast navigation
Stand/Base
TV stands and wall mount brackets for secure placement and optimal viewing angles
Power Cables
Standard and regional-specific power cords with proper ratings and safety certifications
Speaker Systems
Internal speaker assemblies and external sound bar components for audio reproduction
Cooling Fans
Thermal management components including fans and heat sinks for temperature control
Bezel & Frame
Exterior trim pieces and bezel assemblies for cosmetic restoration and protection
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power, no LED indicator | Power supply failure, main board issue | Check power supply board voltages, replace if necessary |
| TV turns on but no picture | Backlight failure, T-Con board issue | Test backlight operation, check T-Con board connections |
| No sound | Speaker failure, audio board issue | Check speaker connections, test audio board outputs |
| Vertical/horizontal lines | T-Con board failure, panel damage | Replace T-Con board, inspect panel for physical damage |
| Intermittent shutdown | Overheating, power supply instability | Clean cooling system, check power supply capacitors |
| HDMI ports not working | Input board failure, main board issue | Test input board, check main board HDMI controllers |
Common Error Indicators
- Blinking Power LED: Power supply issue - Check power board and main board connections
- Solid Power LED, No Display: Backlight failure - Test LED backlight system
- Color Distortion: T-Con board issue - Replace timing control board
- Audio Distortion: Speaker/audio board problem - Check audio components
- Wi-Fi Connectivity Issues: Network board failure - Check wireless module
- SmartCast Not Loading: Main board memory issue - Reset or replace main board
Manual Downloads
Current Model Parts Manuals
V-Series 2023
V435-J01 to V755-J04
M-Series 2023
M50Q7-J01 to M80Q7-J03
P-Series 2023
P55Q9-J01 to P85Q9-J01
OLED Series
OLED55-H1 to OLED77-H1
Previous Models
2022 Models
V/M/P Series 2022
2021 Models
V/M/P Series 2021
2020 Models
V/M/P Series 2020
2019 Models
E/D Series 2019