Repair
Repair Price: $ 475.00
Purchase
CSL Part Number: 83793
Product Overview: The Wanco 204011 is a 17-inch full matrix LED display panel used in variable message sign (VMS) systems for traffic control and roadwork applications. It features a 5x7 LED array configuration and operates on a 10-volt power supply with onboard DC-DC conversion circuitry. The panel includes a microcontroller with PLCC-44 socket, RS-422/RS-485 serial communication interface via 2-pin data port, and multiple N-channel MOSFET drivers for LED control. Common in portable and trailer-mounted message boards for displaying alphanumeric text and symbols to motorists.
Category: Display Board
Manufacturer: Wanco
Manufacturer Synonyms: WECO
Manufacturer Part Number: 204011
Series: Message/Display Board
LED Panel for VMS Message Sign 17 inch Full Matrix Display Board 2 pin data port
Common Failures
Frequent issues with this product include cold solder joints, defective MOSFETs, and blown fuses. Symptoms such as units not powering on, displaying intermittently, or failing to light up have been noted. Additionally, there have been reports of defective microcontroller sockets and power supply issues.
Repair Approach
Repairs may involve resoldering connections, replacing faulty components such as MOSFETs and fuses, and performing conformal coat maintenance. Diagnostic testing is used to identify bent pins in microcontroller sockets and other component failures. Once the unit is received and reviewed, we can provide a quotation before any repair work begins.
Testing & Quality
Repaired units undergo testing, including burn-in tests with and without load, to verify proper functionality. Each repair is validated through multiple testing levels before returning to customers.
Service and repair your broken Wanco part
We can repair your Wanco model 204011 in our facility. Let our skilled technicians get your Wanco back in operation quickly.
Step 1 - Click the green 'Repair Now' button above to add the part and then complete the RMA.
Step 2 - The RMA form will be sent to you via email. Print the RMA form and put it in a box with the item(s) for repair.
Step 3 - Ship or mail the box to the address listed on the RMA.
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