Question about Televison & Video
I need to find a replacement ballast for an Nview Diamond projector. The Diamond series uses an Osram VIP 273/45 lamp. I got about 400 hours of use when, one day, I flipped the projector on and the lamp shattered into a million pieces inside the housing. I made the misfortune of immediately replacing the lamp with a back up and it too cracked. I suspected the ballast as the rest of the unit lites ok and fans work Q: can I read the 38 volts (270w / 7.1amp) with an ohm meter directly from the socket, or should I check the circuit elsewhere? Where should I look for a ballast of this type? FYI: As a large list of manufacturers use this type of lamp in their machines as well it should be easy to locate parts.
SOURCE: Panasonic PT-45lc problem
I took the rear bottom off of the set,lots of screws to take off.
On top of the bulb housing is a small yellowish thermal fuse.
I took mine completey out,jumped the black wire together,and bingo.set works perfectly.
Posted on Apr 16, 2008
SOURCE: ballast replacement
Your set uses the Phillips UPH100W 1.3 100http://servicemanuals.vstore.ca/ 1amp bulb part number 6912V00006A which uses Ballast EUC 6913V0002A and the actual ballast isMB03CA part number 6871VSMB13F I would contact LG and give them these numbers. Is your ballast bad or is the BallastEUC bad? Let me know if I can help you further.
Posted on May 12, 2008
these are Panasonic arc lamps .. the numbers 100-120 indicates the intended voltage range of operation .. the /1.3 or /1.4 is the current in amps .. so the 1.4 is slightly higher current and likely a bit brighter .. thats 156 watts vs. 168 watts .. arc lamps are much more efficient than incandescent so 150 watts in an arc lamp is a lot more light than a 150 watt incandescent...
Posted on Sep 04, 2009
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I found R3 on the original board to be open, along with reading an open on CR1, D5 and D6. All the other transistors and the transformer check out. The only thing I have to do now is find out the specs of the diodes. The replacement board also had CR1, D5 and D6 open (R3 was OK). There had been some threads on various locations where remanufactured boards had bad components (the transistors were changed but not some of the other components).
Posted on Jan 18, 2010
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