For Qualified Technicians Only. This firmware dump requires hardware-level programming using an SPI flash programmer. Incorrect flashing may permanently damage the main board. Proceed only if you have professional repair experience.
Overview
This article provides a verified and tested SPI firmware dump for the Vivax TV-32LE73 television equipped with the TP.SIS 231.P851 main board. The dump targets the 25Q64 (64Mbit) SPI flash memory and is designed to resolve critical memory-related failures.
The firmware binary has been extracted, verified, and re-flashed successfully using the RT809H universal programmer. This is a complete memory image that restores the TV to full factory-operational status.
Main Board Identification
Before proceeding, confirm your main board matches the TP.SIS 231.P851 layout shown below. Verify the board markings, IC placement, and connector positions.
TP.SIS 231.P851 Main Board – Click image to zoom in new tab
SPI Flash Memory Location
The 25Q64 SPI flash chip is located near the main processor. This 8-pin SOIC package holds the complete firmware including bootloader, channel data, and system configuration.
25Q64 SPI Memory Chip Position – Click image to zoom in new tab
Firmware Specifications
Brand
Vivax
Model
TV-32LE73
Main Board
TP.SIS 231.P851
Compatible Panels
LC320EXJ-SEE1 / HV320WX2-206 / PT851 T3151A04-3
SPI Flash Memory
25Q64 (64Mbit / 8MB)
Programmer
RT809H Universal Programmer
File Type
Full SPI Dump (.bin)
Firmware Status
100% Tested and Working
Last Updated
09 June 2026
Common Issues Resolved by This Firmware
The following symptoms on the Vivax TV-32LE73 with TP.SIS 231.P851 board are directly addressed by reflashing the SPI memory with this verified dump:
TV stuck on standby LED
No power / Dead set
Boot loop / Restart cycle
Backlight on, no display
Logo freeze at startup
Corrupted EEPROM data
No HDMI / AV signal
Software update failure
Diagnostic and Repair Protocol
Follow this systematic procedure to diagnose the fault and successfully flash the firmware dump onto the Vivax TV-32LE73 main board.
Phase 1: Pre-Repair Diagnostics
1
Visual Inspection: Examine the TP.SIS 231.P851 board for burnt components, swollen capacitors, cracked solder joints, or damaged traces around the SPI flash area.
2
Power Supply Verification: Confirm all voltage rails are within specification: 5V standby, 12V main, and 3.3V logic supply to the SPI chip. Use a multimeter at the designated test points.
3
SPI Chip Continuity Test: Verify the 25Q64 chip is not physically damaged. Check pin continuity and confirm the VCC (pin 8) reads 3.3V during standby power.
Phase 2: Firmware Extraction (Backup)
4
Desolder the 25Q64 Chip: Using a hot-air rework station at 320-350 degrees Celsius, carefully remove the SPI chip from the board. Apply flux and use low airflow to avoid disturbing adjacent components.
5
Read Original Dump: Place the chip in the RT809H programmer with the correct SOIC8 adapter. Select W25Q64 from the chip database. Perform a full read and save the backup file.
Phase 3: Firmware Flashing
6
Erase the Chip: Execute a full erase cycle on the 25Q64 using the RT809H software. Verify the chip reads all 0xFF after erasure.
7
Write the Firmware Dump: Load the downloaded .bin firmware file into the RT809H software. Click Write and wait for the process to complete without errors.
8
Verify the Flash: Use the Verify function to compare the written data against the source file. A 100% match confirms a successful flash operation.
Phase 4: Reassembly and Testing
9
Resolder the Chip: Carefully solder the 25Q64 back onto the board pads using flux and a fine-tip soldering iron or hot-air station. Inspect all 8 pins under magnification for bridges.
10
Power-On Test: Reconnect the panel, power supply, and IR sensor. Power on the TV and verify boot sequence, logo display, menu access, HDMI input, and audio output. The TV should operate normally.
Video Repair Guide
Watch the complete step-by-step firmware dump and flashing procedure for this board:
Download Firmware Dump
SPI 25Q64 full binary dump for TP.SIS 231.P851 – Vivax TV-32LE73
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Firmware Dump
100% Tested
