Since M1-DA to VGA cable is quite expensive, we have decided to add extra connector to our Dell 3400MP Projector so we could just use common male to male VGA cable.
1st thing to do is to know the connector pin-out. For VGA connector we have 15-pin connector.
Cable = MALE and Projector = FEMALE.
Next, the M1-A connector (AKA M1-P&D Plug) A lot of pin. :-)
Cable = MALE and Projector = FEMALE.
Internet research tell me that only 7 connections are needed in order to make this work as below
>  |  | |
| VGA pin# | M1 pin# | |
| Red | 1 | C1 |
| Green | 2 | C2 |
| Blue | 3 | C4 |
| RGB Ground | 6,7,8 (join) | C5 |
| Horizontal Sync | 13 | 5 |
| Vertical Sync | 14 | 6 |
| Sync Ground | 10 | 4 |
Now the hard work begin.... disassembling...
Soldering...
Testing...
Finally, the connector cut-out through the Dell 3400MP magnesium alloy chassis.
Final test.
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2 comments :
i just tried doing this but without disassembling the projector. ive got a vga socket with bare wires on it and hooked it up matching pins according to your chart and it doesnt work?? any idea how i can get this to work for me? i dont want to spend 40 bucks on a new m1-da to vga cable
Yup, M1-DA to VGA cable is quite expensive. Any snapshot available? Maybe I can guess what went wrong from there?
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