Barco R9000901 Скачать руководство пользователя страница 5

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Date: 06/02/98

R9000901
R9000908

GRAPHICS

Replacement of a picture tube

808S

Removing the Lens of the defective picture tube

Lens

How to remove the lens

Necessary tool

Pot nut runner of 8 mm

Support the lens body by hand and remove the 4 screws, holding lens to frame.

The lens is fixed to the main frame by 4
screws, 2 on top and 2 on bottom of the
lens.

lens fixation
screws

holes with screw thread
for lens fixation

Содержание R9000901

Страница 1: ...l The following parts of the projector have to be removed to gain access to the picture tubes topcover totalremoval top cover plate covering the picture tube assembly How to open top cover To open the...

Страница 2: ...er To remove the top cover proceed to the following step Step Action 1 Stand behind the projector 2 Grip the top cover by the front and turn it until it stands vertical 3 Hit the bottom of the cover o...

Страница 3: ...w to remove the metallic cover The metallic cover consists of two parts a fixed plate secured in position by 6 screws and a hinged cover pivoting on the fixed part and locked on the main frame by 4 sc...

Страница 4: ...tallic plate To remove the cover assembly continue with the following steps Step Action 1 Remove the 6 screws nut driver 7mm securing the CRT blocks on the plate 2 Remove on both sides of the frame th...

Страница 5: ...ctive picture tube Lens How to remove the lens Necessarytool Pot nut runner of 8 mm Support the lens body by hand and remove the 4 screws holding lens to frame The lens is fixed to the main frame by 4...

Страница 6: ...ytool Screwdriver5mm The following units have to be disconnected from the main frame deflection unit connection focus unit connection groundconnection videodriverunit EHT lead How to disconnect the pi...

Страница 7: ...ection connector 1 2 Removing the picture tube from its frame How to disconnect the EHT lead of the CRT Disconnect the EHT lead as described below Step Action 1 Pull out on the EHT splitter the respec...

Страница 8: ...ve the picture tube unit me chanical out of the main frame To remove the picture tube unit out of main frame proceed as follows Step Action 1 Remove the two rods with screwed thread at the end 2 Take...

Страница 9: ...e installed Removing the Picture Tube Unit from its support Necessarytool Pot nut runner of 8 mm How to remove the picture tube from its support The CRT Unit is mounted on its support by means of four...

Страница 10: ...ve support Gear clamp Focus Unit Gear clamp Deflection Unit Gear clamp Magnetic unit Clasp ring Focus Unit Step Action 1 Loosen the gear clamp of the Magnetic unit 2 Slide the unit off of the end of t...

Страница 11: ...k Necessarytool Philips screwdriver to pull tight the gear clamps Order of installation 1 2 3 The CRT Unit is mounted on its support by means of four bolts To mount the CRT unit on its support proceed...

Страница 12: ...the neck of the CRT the Deflection block fully against the CRT bulb and the Focus unit 8 mm from de Deflectionunit seephoto 2 Tighten slightly the gear clamp of theFocus and Deflection unit and the cl...

Страница 13: ...Picture tube alignment proceed to a quick optical and electrical focus all picture tubes replaced apply an external crosshatch pattern at 15 kHz or use the internal crosshatch rotate the deflection y...

Страница 14: ...hing Hor Amplitude in this manual for the alignment of the image width coils Note when only one tube has been replaced the image width of one of the other tubes as a reference and obviously limit thea...