I bought a RGB1500 (R:300/638,G:200/532,B1000/445) from Golden Star in July of last year. I have used it for maybe 25 hours total. I noticed the last time I used it that green was not showing up correctly at first, but after about 15 minutes it warmed up and looked normal. Now green is so faint it's barely visible and does not change over time.
I don't have any DAC or software, and just use this on random mode with a $25 fog machine in my apartment when I throw parties.
I emailed Mimi who said:
"I think it is normal problem for 532 DPSS green, not only you have such problem, but also other customers also meet problem with 523 green." and confusingly offered to sell me 5W 520nm green for $1500.
If my chances of getting it repaired by golden star are out the window, I'm going to troubleshoot this myself. I am comfortable with the idea of opening it up, checking voltages with a multimeter or a scope, replacing stuff and then learning how to adjust everything so it works properly again.
My question is.. where do I start? This is my first time working on a scanner, and I am not very familiar with them. If there is a book, or a collection of things I could read, let me know. I looked around the form for similar stuff, but I have to admit, I didn't do it exhaustively. As a starter I think I would check to see if I can determine if it is getting the correct power from the supply to see if it is the laser or the supply. The problem is I don't have a way to check the laser easily without a DAC, so I guess I will have to buy a starter DAC and software package in order to do this.
Any suggestions are greatly appreciated.