Description of HDMI
The HDMI interface is located on the front panel of the equipment and adopts the standard female Type-A interface. The pins of HDMI interface are defined as shown in the figure below:

| Pin | Signal |
| 1 | TMDS data 2+ |
| 2 | TMDS data 2 shield |
| 3 | TMDS data 2- |
| 4 | TMDS data 1+ |
| 5 | TMDS data 1 shield |
| 6 | TMDS data 1- |
| 7 | TMDS data 0+ |
| 8 | TMDS data 0 shield |
| 9 | TMDS data 0- |
| 10 | TMDS clock+ |
| 11 | TMDS clock shield |
| 12 | TMDS clock- |
| 13 | CEC |
| 14 | No connected |
| 15 | DDC clock |
| 16 | DDC data |
| 17 | Ground |
| 18 | +5V power |
| 19 | Hot plug detect |