Shenzhen BIGTREE technology co., LTD.
BIG TREE TECH
Explanation of black screen in TFT35 V3.0:
1. First of all, according to the manual, when using TFT35 V3.0,
common interface motherboards (such as SKR V1.3, SKR MINI V1.1,
SKR Pro V1.1, etc.), EXP1, EXP2 and RS232 should be connected. After
ensuring the correct line order, the connection can be used in dual mode.
2. If the CR-10 interface motherboard (such as SKR MINI E3、SKR E3
DIP V1.0 etc.)uses TFT35 V3.0, it needs to connect EXP3 and RS232.
After ensuring the correct line order, the connection can use dual mode.
3、Some customers do not choose the above two connection mode, forced
the ordinary interface motherboard EXP1 plug into TFT35 V3.0 EXP3,
this will lead to black screen phenomenon. The reason is shown in the red
box below. The Pin corresponding to EXP3 is RESET to TFT35 V3.0,
while the Pin corresponding to EXP1 is LCD_RS. As a result, TFT35
V3.0 is in RESET state, so it is displayed as a black screen.
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