Do you know where I could find these opto-couplers?
Thank you. All I need now is to find these opto-couplers 7412 is 9322-105-14682 7406 and 7413 are the same part number 9338-894-15682. I seaced eerywhere I could think of and can't seem to find them. Would you know where to find them? I found the fluid in 16 oz bottles foe $7 + shipping.
Thank You so much.
I love this sight.
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Re: Do you know where I could find these opto-couplers?
When you look into the back of the set you will see a small board on the far left. The large board right next to the small board is where they are located on that board usually near the back edge of the board closest to you roughly in the center. You can try at the following link just leave them an email with the model number of your set and what youre looking for, They usually can get the hard to find parts. Heres the link. http://servicemanuals.vstore.ca/
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It means that the color wheel or it's encoder is not properly syncing with the controller. It is therefore blanking the DLP chip on the red and blue sections of the color wheel. Clean the color wheel motor and encoder disk, lubricate the motor. This should correct the problem. There may be dirt in the opto-coupler that is reading the color wheel. Be sure to clean it with a vacuum and small brush. Regards.
Could be many reasons for this, if the green light comes on the most likely cause is a defective opto -coupler in the power supply. This is a common failure for this set. Cost should not be that bad around $150 - 200 to fix, but i don't want to quote another shop's pricing. Cost to repair really depends on where you are at and the final cause.
1st try opto coupler philips part# 483520988561 actual part# to buy HCNW136 some replace all 3 IC's philips# 483520987834 actual# MC34065p and philips# 483520987712 actual# SC78104 also you probably need a fluid change
The opto coupler is usually related to just the pic starting out small then filling out after warming. The flyback wouldnt stop the power led from coming on unless the HOT shorted but that would blow a fuse. Check your fuses. You can sign up here for free and your solutions are what gives you your ranking on the site. Premium assistance is a service that requires payment, but I am not sure how that works as I try to help people for free on here
The halo effect is due to the green and blue CRT coolant being congealed this is a common problem. Red will not have the same condition. As for the opto-couplers they are located on the large signal board in the middle of the board all lined up in a row they will have board location numbers of 7412, 7406 and 7413 . 7412 is usually the culprit the part numbers for 7412 is 9322-105-14682 7406 and 7413 are the same part number 9338-894-15682
IC's on convergence bd. 1st try opto coupler philips part# 483520988561 actual part# to buy HCNW136 some replace all 3 IC's philips# 483520987834 actual# MC34065p and philips# 483520987712 actual# SC78104 search google to buy.Datasheets at datasheetcatolog.com