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JVC RS56 new bulb not as bright? Optics cleaning required?
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AnalogRocks
Forum Moderator


Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada

TV/Projector: Sony 1252Q, AMPRO 4000G

Posted: Mon Feb 12, 2024 4:11 am    Post subject:

I've seen blobs like that on high hour Canon LCOS projector.
That was a new one outta the box eh? Wonder about QC?

Screen shot ttime?

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kal
Forum Administrator


Joined: 06 Mar 2006
Posts: 18114
Location: Ottawa, Canada

TV/Projector: JVC DLA-NZ7

Posted: Mon Feb 12, 2024 2:04 pm    Post subject:

Yeah, who knows. Something wasn't right on the old one. Still looked great and frankly you'd never notice it but at this price I figured it was best to contact my dealer/JVC and see what they thought. Within a couple of hours of me emailing my dealer JVC had already contacted them to say the projector would be replaced and that I should keep using the old one in the meantime. I racked up 105 hours on it in the ~5 weeks I had it.

Screenshots? Nah, all projectors look pretty much the same once you factor in your phone, your screen, etc. Here's some pics of the old JVC RS56 that was replaced - pretend it's the new JVC NZ7: Wink

https://www.avsforum.com/threads/burnt-polarizer-combiner-on-11-5k-hour-jvc-rs56-and-general-cleaning.3291310/post-63127338

Kal

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AnalogRocks
Forum Moderator


Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada

TV/Projector: Sony 1252Q, AMPRO 4000G

Posted: Tue Feb 13, 2024 4:03 am    Post subject:

I know screen shots are an equalizer. It's still fun to do. At least if you're me.

In keeping with the current spirit of the world you could identify as 'AnalogRocks' for a day and do a bunch of screen shots, then change you mind and identify as a lamp. Laughing

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Zebra



Joined: 02 Jul 2020
Posts: 93
Location: NJ USA

Posted: Wed Feb 28, 2024 8:50 pm    Post subject:

Barco bought Projectiondesign and continued making the F35 until 2019.

I have two of them. They are fantastic although the 6500 lumen thing is a little misleading. They have (changeable) color wheel options. The "high brightness" model gets 5700 lumens with an RGBW wheel. The viz Sim and viz Sim bright wheels get you 3000 lumen and 3900 lumens (with both lamps on full power) with pure RGB wheels.

You want the viz Sim wheel for movies. It's accuracy is reference level. For an ALR screen duel use / living room you want the viz Sim bright. Still amazingly accurate color but with a trade-off. The HB wheel should be avoided unless it's for an office projector.

I almost always choose my F35 over my JVC RS67. The color, contrast, motion, brightness and clarity blow it out the water. It's the projector that made me realize I can't trust online reviews or specs.

People put too much weight on contrast ratios. The truth is that 2000:1 on a 4000 lumen projector is significantly more contrast than 50,000:1 on a 1200 lumen device. Ratios mean nothing. You can not have high contrast without high brightness.

The JVC can produce a darker all black screen but that's because it's dimmer. In real-world use it's blacks are nothing special. All projectors turn blacks gray on a white screen when anything not black is projected alongside it.

I use an anamorphic lens to deal with distracting gray black bars. The blacks within the image look good on the F35 without any special screens.




garyfritz wrote:
nettwerkjohn wrote:
i moved to a projection design f35.
far outclasses my old jvc in everything but fan noise and black level.

?? Wasn't the f35 discontinued 8 years ago ??

With 6500 lumens you could get a dark gray screen and then black level wouldn't be a problem...
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Zebra



Joined: 02 Jul 2020
Posts: 93
Location: NJ USA

Posted: Wed Feb 28, 2024 9:14 pm    Post subject:

I made this vid a while ago of the F35 on a light gray wall. No screen. It has no trouble with blacks in real world content.

https://www.youtube.com/watch?v=fvxt5GgDvNI
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