Industrial LCD replacement and procurement resource
AT056TN53 V.1 Replacement and Compatibility Guide
AT056TN53 V.1 is a compact 5.6-inch VGA Innolux LCD. The V.1 suffix, FPC orientation, RGB timing and complete mechanical drawing must be retained during replacement screening.
Compatibility baseline
| Reference model | Innolux AT056TN53 V.1; preserve the suffix |
|---|---|
| Format | 5.6 inch / 640 x 480 VGA / 4:3 |
| Optical baseline | 350 cd/m² typical and 500:1 typical |
| Signal interface | Single-channel 6-bit parallel RGB, 40-pin 0.5 mm FPC |
| Panel supply | 3.3 V typical; confirm the candidate timing and pin assignment |
| Mechanical baseline | 126.5 x 100 x 5.7 mm typical; verify active area, mounting and cable direction |
| Temperature and lifecycle | -20°C to 70°C listed; reconfirm lifecycle, stock traceability and sample availability |
Compatibility limits and qualification risk
PC056TN53 V.1 and other 5.6-inch VGA panels are comparison candidates, not automatic drop-in replacements. Mechanics, FPC, pin mapping, voltage, timing, viewing and backlight can differ.
Purchasing recommendation
Provide the complete V.1 label, original drawing, FPC orientation, controller timing, touch assembly, quantity, destination and required date. Approve a substitute only after document and sample review.
Data source and review
Current AUO-LCD AT056TN53 V.1 product record reviewed 2026-08-04. Latest Innolux drawing, pin map, timing specification and customer validation govern final approval.
Updated: · Reviewed by: Xuhong LCD Technical Content Team