Hdvx9-as — V4.2 Service Code |link|

To access the service menu for the HDVX9-AS V4.2 (a universal LED TV mainboard), you typically need to enter a specific button sequence on the remote control. Primary Service Codes

Installation: Uses a jumper-based system for setting panel voltage (3.3V, 5V, or 12V), which reduces the need for external software flashing in many cases. Core Functions of the Service Menu hdvx9-as v4.2 service code

To access the service menu (factory mode) for the HDVX9-AS V4.2 universal LCD/LED TV mainboard, use the following steps: To access the service menu for the HDVX9-AS V4

Navigation: Hold the 'Set' and 'Up Arrow' buttons simultaneously for 5 seconds. hdvx9-as v4.2 service code

These details can help me provide more specific steps or troubleshooting for your display board. HDVX9-AS V59 LCD TV Board Specs | PDF | Hdmi - Scribd