11.1 Disassembly for CRT replacement

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  1. Discharge the CRT as instructed in the “safety precautions” section and remove 2nd anode button from the CRT.

  2. Remove speaker modules (R and L)

  3. Perform complete removal of chassis, as instructed in “disassembly for service” section.

    NOTE

    When remounting the CRT, reuse the metal sheet located in the lower part of the cabinet holding the CRT, hold with screws to the cabinet. This metal sheet is not supplied with the CRT replacement.

CRT replacement

  1. Perform “disassembly for CRT replacement” procedure.

  2. Insure that the CRT H.V. Anode button is discharged before handling the CRT. Read the “safety precautions” section on handling the picture tube.

  3. Remove the components from the CRT neck and place the cabinet face down on a soft pad.

  4. Note the original order for the CRT mounting hardware as they are remove from the CRT mounting brackets at each corner of the CRT.

  5. Remove the CRT with the degaussing coil and the dag ground braid attached.

    NOTE

    To remove the four brackets holding the degauss coil from the corners of the CRT, first remove the CRT from the cabinet, then remove the brackets by pressing the tab on the bracket and pull upwards. These brackets are included in the degauss coilkit, for part number, please see parts list section

    Brackets removal

  6. Note the original locations and mounting of the degaussing coil and the dag ground assembly to insure proper reinstallation on the replacement CRT.

    To remove and remount the degaussing coil:

    • Unhook the coil spring from the bottom corners of the CRT ears.

    • Release the braid loop from the upper corners of the CRT ears.

  7. Mount the dag ground braid on the replacement CRT. Position the degaussing coil with new ties.

    Dress coil as was on the original CRT.

  8. Replace the components on CRT neck and reinstall into cabinet. Verify that all ground wires and circuit board plugs get connected.

    NOTE

    Reuse all the clampers and mounting brackets from the degauss coil and screen, and when remounting the degauss coil assure that is not touching the speakers, this can be done by placing some tape, this may cause mask vibration. The mounting brackets andclampers are not supplied with the replacements.

    IMPORTANT NOTICE

    When ordering the CRT, please order CRT and CRT kit also. Please see parts list section for part numbers


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