AVS Forum banner

1 - 20 of 27 Posts

·
Registered
Joined
·
18 Posts
Discussion Starter #1
Resetting the lamp hours with a fuse

I found this tip somewhere burried deep in another unrelated thread that dealt with another manufacturer.


When replacing the bulb in the Optoma RD65, you'll notice a little fuse soldered on to a tiny circuit board mounted next to the bulb on the bulb chassis. That fuse should already be blown even though your bulb is still working. Why? It's a trigger fuse that sends a signal to the system board.


The system board doesn't automatically know if you've replaced a bulb or not. But by replacing the blown fuse with an unblown fuse the TV will detect it and deliberately blow the fuse. All this does is signal the system board to reset the bulb life to zero hours. This works if you can't get into the the service menu by doing the MENU-6-1-9-MENU trick to reset the hours.


The fuse is a 200ma 200V fast blow glass fuse that's 10mm in length. Unfortunately it's very difficult to find these suckers. I used a 500ma 250V that I got from Home Depot or Lowe's. I then soldered off the old fuse from the circuit board and jury rigged a clip using leads from an unused resistor I got from Radio Shack to hold the longer new one. I wrapped the leads around each end of the fuse and making sure it doesn't slide out. Tossed the bulb back into the TV and VOILA! New bulb with zero hours!


Hope this helps with my fellow Optoma RD65ers out there. If the RD50 has the fuse on the bulb chassis, then the trick should work as well.

Use the correct bulb!

DO NOT USE the E23h lamp which can be found almost anywhere, especially on ebay. You must use the E23 lamp minus the 'h'. Specifically the E23 1.3 100v/120v type. The difference between the E23 and the E23h is 10Kv. While the E23 takes 5Kv to start the bulb, it takes the E23h 15Kv or 10Kv more voltage to start the bulb. Jump to adelauney84's post below for additional info.


Symptoms of using the E23h are:
  • RD65 never comes up with a picture (you may hear the tv trying to start up but then shuts off with two red lights.) This symptom could also imply that other circuitry has failed, but try to replace with the proper bulb first.
  • Turning on the RD65 with the newly replaced bulb gives you a picture for the first time, but when turned off and turned back on the tv shuts down with two red lights.
  • It takes multiple tries to turn on the TV. When it does finally come on, picture slowly fades in to full brightness.
A few places that carry the E23 lamps
 

·
Registered
Joined
·
2 Posts
If you don't change the fuse should TV go on anyway? I replaced my bulb but TV will not go on and it makes wierd noises and after some time it stops and I get 2 red lights.
 

·
Registered
Joined
·
8 Posts
I also noticed that my RD65 blew the fuse on one of the replacement lamps. On one other replacement lamp housing, the fuse is still good, even I inserted many times. I had to go into the service menu and reset the lamp hour.


While we're discussing RD65 lamp replacement. I bought on eBay the following OSRAM lamps and my RD65 didn't like them for some reason.


My original RD65 lamp markings are: OSRAM P-VIP 120/1.3 E23.


The ones I bought from eBay have the following markings:

lamp1: OSRAM P-VIP 100-120/1.0 E23h

lamp2: OSRAM P-VIP 100-120/1.3 E23h


Both eBay lamps worked when first plugged in. However, after the TV is shut off, subsequent power-ons would result in Lamp Error. However, if I unplug & re-install the lamp assembly, then the lamp works again. And then the same thing happens for subsequent power-ons. If I put back my original OEM lamp (E23) then it powers on every time. Anyone knows the difference between the E23 and E23h? I did some search on the E23 lamp and apparently there are 2 kinds, E23 with 15Kv start and E23 with 5Kv start. Perhaps, the Optoma RD65 uses E23 with 5Kv start? The eBay E23h lamps both have 10-15Kv start. I even questioned the eBay sellers if these lamps were proven to work with the Optoma RD65 and one of them replied that they heard from their customers that the lamp didn't work with their RD65 either. So I know I'm not alone.
 

·
Registered
Joined
·
2 Posts
Well I just blew my second bulb since september I dont know whats going on I am guessing the bulb is getting to out and blowing up cause both the ones i have removed have been completely exploded on the inside that is the filament is in a billion pieces. Anyone have any comments on why it is happening is there a fan that maybe the culprit that i can easily replace?


Also the bulb i bought off of ebay was an E23h and like you have said it takes it a while to turn on i am guessing takes a while for it to warm up and this sometimes i thinks fools the TV thinking the bulb is bad and shuts the tv down. I am looking for an original replacement bulb
 

·
Registered
Joined
·
2 Posts

Quote:
Originally Posted by NoDLP /forum/post/13081210


I also noticed that my RD65 blew the fuse on one of the replacement lamps. On one other replacement lamp housing, the fuse is still good, even I inserted many times. I had to go into the service menu and reset the lamp hour.


While we're discussing RD65 lamp replacement. I bought on eBay the following OSRAM lamps and my RD65 didn't like them for some reason.


My original RD65 lamp markings are: OSRAM P-VIP 120/1.3 E23.


The ones I bought from eBay have the following markings:

lamp1: OSRAM P-VIP 100-120/1.0 E23h

lamp2: OSRAM P-VIP 100-120/1.3 E23h


Both eBay lamps worked when first plugged in. However, after the TV is shut off, subsequent power-ons would result in Lamp Error. However, if I unplug & re-install the lamp assembly, then the lamp works again. And then the same thing happens for subsequent power-ons. If I put back my original OEM lamp (E23) then it powers on every time. Anyone knows the difference between the E23 and E23h? I did some search on the E23 lamp and apparently there are 2 kinds, E23 with 15Kv start and E23 with 5Kv start. Perhaps, the Optoma RD65 uses E23 with 5Kv start? The eBay E23h lamps both have 10-15Kv start. I even questioned the eBay sellers if these lamps were proven to work with the Optoma RD65 and one of them replied that they heard from their customers that the lamp didn't work with their RD65 either. So I know I'm not alone.

I have the exact same problem as you with a RD50. Have you find any resolution?

My lamp1 was a OSRAM P-VIP 100-120/1.3 E23h and lamp2 was a OSRAM P-VIP 100-120/1.0 E23h.

The first time I turn on the TV after replacing the lamp it will work fine then I turn it off, come back the next day and turn it on with the remote and I get the 2 solid red light on the power and lamp.
 

·
Registered
Joined
·
4 Posts
Hey guys! I think I have the answer for you!


Talking with a TV specialist in the UK, he noted that the E23 uses 5Kv and the E23h uses 15. The difference is 10Kv to start up the lamp. I'm not sure if this directly affects the way the ballast works, but I have heard of a kit you can purchase to convert an E23h to an E23 with minimal wiring.


The problem NeroFlash though is the arc gap. The original lamp should be a 1.3 mm arc, but he replaced it with a 1.0 mm arc. The arc gap is important! We work with a company called discount-merchant.com all the time, and they have given us tons of information on Philips and their pioneering work on UHP lamps. The 1.0 arc gap lamp seems to be the best solution for today's DLPs since it's supposed to get longer life. 1.3 lamps will probably be out-dated in a few years, since the life almost doubles with a 1.0 gap, according to Philips. When you buy the cheaper Osram, you already have a generic product that will only get you a few thousand hours, so buy a Philips if it's the OEM for your TV


Please correct me if I'm wrong.. I haven't worked with TVs as long as some of you here!
 

·
Registered
Joined
·
5 Posts
So I've purchased two of the 23h type bulbs and both won't work correctly in my RD65.


I can't seem to find a replacement! Everyone keeps trying to sell me a 23h.


Anyone have a source? Or do I have a huge dead weight in my living room?


I'll even pay the retail 350+ bucks if I'm sure it will work!
 

·
Registered
Joined
·
2 Posts
After reading the fuse tip again, I decided to try to replace the fuse. I went to RadioShack and got me the 200ma 200V fuse, a soldering kit and some resistor. I had no experience in soldering and let me tell you that it was a challenge but I was able to jury rigged the fuse. Then I put the lamp back in (OSRAM P-VIP 100-120/1.0 E23h) same result has before. At that point I was pretty beat but decided to return the lamp and pay an extra $34 for the “BLVU100A Optoma Replacement DLP Lamp $179”. I bought my lamp at bluestar-online.com “Mitsubishi Model #WD-52725 Replacement DLP Lamp $145” (cause I read somewhere that this lamp will work and was cheaper) and they were really good at exchanging the lamp no questions ask (this was my second exchange). When I got the new lamp I notice they did not charge me anything and gave me an OSRAM P-VIP 100-120/1.3 E23h Made in P.R.C. I put the lamp back but this time decided to turn on the side power switch and let the TV warm up for 30 minutes which I did not do before. When I first turn on the TV, it came on fine as I expected then I turn it off with the remote control and watch the red light flashing red/green until it go solid red. I turn the TV back on and it came on just fine. The next morning I turn on the TV and it came on fine, turn it off with the remote and back on again right away and it came on fine. My total cost was $181.45 + Time: 1 month (exchange and online research). I wish it could have been easier, but I am glad to get me TV back.

PS: My TV is a RD50.
 

·
Registered
Joined
·
7 Posts
THANKS TO EVERYONE

Who posted on the problems concerning the Optoma/ Osram 23h I have 2 sitting here waiting on a return .

Found this site Discount - Merchant " sorry I cant post URLs"

Osram P-VIP 100W / 120W 1.3 E23 DLP TV Lamp UHP

2# $119.99ea = $239.98 inc. shipping

Of course they have not arrived yet so there could still be issues.

I will post again when they arrive.
 

·
Registered
Joined
·
7 Posts
Well due to a part # problem and a CS misunderstanding , I now have 4# 23h's to return !! I should have known better ! Buying a HDTV display larger then 40" 5 yrs ago from a company that only makes projectors not TVs could be a problem now it is !

If anyone comes up with a reasonable solution to this again,

THANKS in advance
 

·
Registered
Joined
·
5 Posts
Well, I waited hopeing that someone would have posted an answer to where to get the right bulb for the RD65H. Looks like I'm going to have to pay VisualApex $350+ for a replacement and HOPE thay send me one that actually works.


FYI - I went to Costco and now have a Philips 52" LCD. At least I won't go through this bulb fiasco again. Anyone want to buy a RD65?
 

·
Registered
Joined
·
7 Posts
I was going wait to post this when the lamp was in my set and working.

This is from a company called Pureland Supply I talked with the Owner / Tech Rep and he said he has sold a number of these to RD65 owners with no returns . I should have it here by mid week and will let you know if its for real

BL-VU120A Bulb - Optoma TV Bulb Replacement


BL-VU120A Optoma DLP Projection TV Bulb 5 KV Strike Voltage replacement that fits into your exis...


BL-VU100A Optoma DLP Bulb

UHP 100-120/1.3 E23 Philips

BL-VU100A Bulb Replacement

UHP 100-120/1.3 E23 Bulb

Bulb without cage assembly

5kv Strike voltage


List Price: $250.90


Sale Price: $193.00
 

·
Registered
Joined
·
7 Posts
THREE STRIKEs AND YOUR OUT !!


Well I tried the BL-VU100A Optoma DLP Bulb

UHP 100-120/1.3 E23 Philips 5 KV strike voltage.

and the same problem as the 23h worked when it first fired up but not again after that .

I see on Optoma's web site they claim they have a replacement for $350.00 + Which at this point I would rather use the RD65 as fire wood rather then give them some more cash !!!

So once again I will hope someone will find a reasonable solution to this mess
 

·
Registered
Joined
·
18 Posts
Discussion Starter #14

Quote:
Originally Posted by sbrinck /forum/post/13547172

THREE STRIKEs AND YOUR OUT !!


Well I tried the BL-VU100A Optoma DLP Bulb

UHP 100-120/1.3 E23 Philips 5 KV strike voltage.

and the same problem as the 23h worked when it first fired up but not again after that .

I see on Optoma's web site they claim they have a replacement for $350.00 + Which at this point I would rather use the RD65 as fire wood rather then give them some more cash !!!

So once again I will hope someone will find a reasonable solution to this mess

I had a similar problem. I had to replace the power supply.
 

·
Registered
Joined
·
7 Posts
I had a similar problem. I had to replace the power supply.

__________________

I'm a professional HD lover!


The problem is I still have a functioning RD65 but the prompt came up for changing out the lamp I reset the clock when I thought the last lamp was going to work .

The question now is how long due I have left before the old lamp actually bites it??

There is a vendor on Ebay that has the Osram 23 on order and he says Osram said they will be making a production run in the nx 60 days
 

·
Registered
Joined
·
18 Posts
Discussion Starter #16

Quote:
Originally Posted by sbrinck /forum/post/13573436


There is a vendor on Ebay that has the Osram 23 on order and he says Osram said they will be making a production run in the nx 60 days

Which ebay vendor?
 

·
Registered
Joined
·
7 Posts
This is what Ron wrote from Replacement Light Bulbs" [email protected]


I have seen us mentioned in some of these forums. I did not see us mentioned in this one. I will say that I learned more about what can substitute for what. The maximum wattage the 120W TV's using the 5kV lamp are designed to support is 144W. This means that the 150W is close enough to work. When these people are trying to use the 15kV 120W with the 1.0 or 1.3 arc gap it will either not work at all or will have a very short life. As the gap widens with use the lamp will stop working quickly. The 150W 5kV will also enjoy a shorter life but much better than the 120W 15kV. The 150W will initially work correctly and look good with no errors. At some point, maybe two or three thousand hours into operation, as the arc gap widens the lamp will stop working. The lamp is still good and can go into a TV designed for the 150W and work for the remainder of its working life. This means that if you do not have an alternative to get your TV operational until the 120W 5kV lamps hit the market the 150W 5kV is a much better substitute than the 120W 15kV. This is the best information I have at the moment. We ordered the 120W 5kV a long time ago and we are anxious to get them in for our customers.


Thanks,


Ron
 

·
Registered
Joined
·
8 Posts
My 2nd E23 lamp has just died after about 2yrs 3mos of service, approx. 3500 hours. My first lamp died at just over 1 year (1500 hrs) of service. I wonder if I should buy another E23 lamp or just dump my RD65 and get a plasma or LCD set.


If you guys could tell me where to get a real E23 lamp (5kv strike) for cheap, say around $100-120 then I will give this set another chance. Otherwise, it's life is terminated


Update:


I just found an OSRAM lamp info PDF document that describes the lamp model numbering system:
http://www.fortis.wroc.pl/userfiles/...AM%20P-VIP.pdf


Here is an example:


P-VIP 150/1.3 E21.5ha


P-VIP = Professional Video Projection high performance discharge lamp

150 = Lamp power

1.3 = Electrode gap

E = Reflector shape, E=Elliptical or P=Parabolic

21.5 = Reflector size


Extra Info:

h = high 15 kV ignition

a = Aftermarket


Another update: I'm thinking about replacing the 5Kv ballast from my RD65 with the OSRAM 15kv ballast, such as Osram brand ballast model PT VIP 2AC/380 O1 so that I could just buy any E23h 15kv lamp, easier to find and cheaper than E23. Search ebay, item # 290152905835 for a picture. Anyone already tried? Any story to share?
 

·
Registered
Joined
·
246 Posts

Quote:
Originally Posted by NoDLP /forum/post/13657171



Another update: I'm thinking about replacing the 5Kv ballast from my RD65 with the OSRAM 15kv ballast, such as Osram brand ballast model PT VIP 2AC/380 O1 so that I could just buy any E23h 15kv lamp, easier to find and cheaper than E23. Search ebay, item # 290152905835 for a picture. Anyone already tried? Any story to share?

The ballast in the RD-50 (and 65 I presume) is in a metal case. From the looks of the e-bay photo, it may fit into the case and if the power and feedback circuits are compatible, it may work. I wonder if the ebay folks would be willing to send more pictures or specs about it, and if there are any specs on the 'stock' ballast?


Miner
 

·
Registered
Joined
·
8 Posts
I found a dealer who sells a 5Kv to 15Kv conversion kit for the Sagem HTD501:
http://www.easywaylamps.com/Easywayl...m%20HTD501.htm


Perhaps this kit could be used for the RD65/RD50 as well? Sagem HTD501 also uses the E23 5Kv precharge lamp like Optoma RD65.


The ebay dealer who sells the OSRAM 15Kv ballast told me that 5Kv ballast has 3pin connector and the 15 Kv ballast has 5-pin connector. From looking at the Sagem HTD501 kit above, it has 3-pin connector. Anyone wants to try first?
 
1 - 20 of 27 Posts
Top