Pro-face · GP377 seriesObsolete / discontinued
GP377-LG41-24V Repair
Pro-face GP377 5.7" mono touchscreen (GP377-LG41-24V). CCFL backlight failure (screen dark, graphics faintly visible with a flashlight) and digitizer wear are the classic faults — repaired flat-price with the project preserved.
Known failures on the GP377-LG41-24V
- ▸Dark screen — backlight failure
- ▸Touch dead spots or drift
- ▸No power
- ▸Comm faults
Ship your unit to
USPS
Control Board Lab
PO Box 120241
Arlington, TX 76012
UPS / FedEx
Control Board Lab
1009 Oakwood Ln # 120241
Arlington, TX 76012
Write your RMA number on the outside of the box and include it on a note inside. Units over 50 lb (large VFDs, spindle drives, industrial PCs in enclosures) ship by freight — contact us before ordering and we will arrange dock-to-dock shipping.
Not your exact model?
Search the catalog or send us the number on your unit's label — we service far more than the catalog shows.
Frequently asked questions
Can the GP377-LG41-24V be repaired?
Yes — dark screen — backlight failure, touch dead spots or drift, no power are the failures we commonly repair on the GP377 series platform. The flat price is $449 including parts, testing, and the 24-month warranty.
How long does a GP377-LG41-24V repair take?
Standard bench time is 3–5 business days once the unit arrives. Rush service (+$149) moves it to 1–2 business days, and emergency same/next-day attempts are available — contact us first.
How do I send it in?
Start the repair online to get an RMA number instantly, pack the unit well with the RMA on the box, and ship it to our Dallas–Fort Worth lab with any carrier. Full packing guidance is on the mail-in instructions page.
Machine down? Let's get it back up.
Start a repair online in two minutes, or send us the part number for a free technician review.
The Fixed-or-Free Guarantee: if we can't repair it, you don't pay for the repair.
Call (817) 799-7332 · 📱 Text us a photo of your unit · Email repairs@controlboardlab.com