# Purchasing/replacing an HDTV bulb?

**URL:** https://forums.speedlife.net/t/purchasing-replacing-an-hdtv-bulb/40147
**Category:** NYSpeed Off Topic
**Created:** [December 12, 2007, 8:03am UTC](https://forums.speedlife.net/t/purchasing-replacing-an-hdtv-bulb/40147 "2007-12-12T08:03:19Z")
**Posts on this page:** 1
**Showing post:** 14

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### Author: ![Viper966](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/viper966/32/7268_2.png) [@Viper966](https://forums.speedlife.net/u/Viper966)
#### Post date: [December 13, 2007, 10:07am UTC](https://forums.speedlife.net/t/purchasing-replacing-an-hdtv-bulb/40147/14 "2007-12-13T10:07:32Z")

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FYI, you HAVE to rpelace all 3 guns anytime there is an issue with them…

the 2 remaining guns have lost some of their brightness, if you just replace the green gun, the greens will be out of spec and you will have a green hue on your TV…

this can be compensated for a lil bit on the tV\< but not if the tv is old…

repairing/replacing CRT tubes is a giant PITA and you can really shock yourself… good luck

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