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PCEngineFans.com - The PC Engine and TurboGrafx-16 Community Forum
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NEC TG-16/TE/TurboDuo
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TG/PCE Repair/Mod Discussion
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PC-Engine GT with LCDDRV mod - how to add brightness control
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Topic: PC-Engine GT with LCDDRV mod - how to add brightness control (Read 173 times)
maded2
Newbie
Posts: 5
PC-Engine GT with LCDDRV mod - how to add brightness control
«
on:
July 05, 2024, 11:00:13 PM »
hi,
I did the LCDDRV mod for my GT. I remember reading other people have wired to use the existing brightness wheel to adjust the brightness LCDDRV. Can anyone tell me the steps?
thanks in advance.
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Keith Courage
Hero Member
Posts: 2686
Re: PC-Engine GT with LCDDRV mod - how to add brightness control
«
Reply #1 on:
July 07, 2024, 02:13:23 AM »
I'll be working on a RGB screen PC engine GT later tonight. Will update with pictures for the brightness then. You just have to solder in 1 wire from the Screen to the brightness dial.
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Keith Courage
Hero Member
Posts: 2686
Re: PC-Engine GT with LCDDRV mod - how to add brightness control
«
Reply #2 on:
July 08, 2024, 06:32:12 AM »
Here are the two points to solder in the wire. Also make sure to solder/bridge the small jumper (JP1) on the LCDDRV board.
You will need to turn down the brightness pot on the LCDDRV board quite a bit to compensate for the added brightness.
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maded2
Newbie
Posts: 5
Re: PC-Engine GT with LCDDRV mod - how to add brightness control
«
Reply #3 on:
July 08, 2024, 10:31:50 AM »
thank you, so only need to solder 1 wire. I will give it a try.
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PCEngineFans.com - The PC Engine and TurboGrafx-16 Community Forum
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NEC TG-16/TE/TurboDuo
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TG/PCE Repair/Mod Discussion
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PC-Engine GT with LCDDRV mod - how to add brightness control