Instruction/ maintenance manual of the product R9002129 Barco
Go to page of 7
Date : 08/06/99 Replacement of a picture tube D ATA 708 1 R9002120 R9002129 REPLACEMENT OF A PICTURE TUBE W ARNING: CRT HANDLING The picture tube encloses a high vacuum and care must be taken not to bump or to scratch the picture tube as this may cause the tube to implode resulting in personal injury and property damage.
Date : 08/06/99 Replacement of a picture tube D ATA 708 2 R9002120 R9002129 Electrical disconnection 4. EHT lead disconnection Pull out the EHT lead of the defective picture tube from the EHT splitter. To pull out To open To secure 5. Picture tube drive module removal Cut the cable-tie indicated with A on the picture below, loosen it and remove it.
Date : 08/06/99 Replacement of a picture tube D ATA 708 3 R9002120 R9002129 CRT unit removal 6. Remove the two bolts, holding the CRT unit to the CRT main frame. Pull upwards the CRT unit while using a screw driver to push the CRT out of the clips at the bottom, to remove the CRT unit.
Date : 08/06/99 Replacement of a picture tube D ATA 708 4 R9002120 R9002129 CRT ground unit II. Placement of the new picture tube. 1. Remove the CRT ground unit from the defective picture tube and reinstall it on the new picture tube. 2. Reinstall the two units, stigmator and deflection yoke, on the picture tube neck.
Date : 08/06/99 Replacement of a picture tube D ATA 708 5 R9002120 R9002129 III. Picture tube alignment Introduction Before starting the alignment of the new picture tube, the projector must warm up for at least 15 minutes at a medium brightness and contrast.
Date : 08/06/99 Replacement of a picture tube D ATA 708 6 R9002120 R9002129 Adjustment of the stigmators (4-pole magnet ring closest to the deflec- tion yoke) - Lower the brightness and increase the contrast. - Overdrive the midpoint focus by adjusting the lens focusing for the respective CRT.
Date : 08/06/99 Replacement of a picture tube D ATA 708 7 R9002120 R9002129 D. Raster centering The raster must be centered on the CRT screen surface of each tube, therefore, it is necessary to look into the lenses. Raster centering controls (please refer to the projector installation manual).
An important point after buying a device Barco R9002129 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Barco R9002129 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Barco R9002129 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Barco R9002129 you will learn all the available features of the product, as well as information on its operation. The information that you get Barco R9002129 will certainly help you make a decision on the purchase.
If you already are a holder of Barco R9002129, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Barco R9002129.
However, one of the most important roles played by the user manual is to help in solving problems with Barco R9002129. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Barco R9002129 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
