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……Replacement of CRT (V1) ……………………………………………
1 JMA-9833-SA, JMA-9823-7XA/9XA (Display Unit: NCD-4111)
(1) Remove the three M4 screws fixing the cover under the bottom of the operation panel with the
cabinet of the monitor.
(2) Loosen the four M5 screws fixing the operation panel unit by inserting a screwdriver into the small
holes.
(3) Slide the entire operation panel unit frontwards (approx. 20 mm).
(4) Remove the front panel by removing the four screws.
(5) Remove the four screws fixing the CRT with its cabinet.
(6) Hold the CRT up carefully and lay its screen surface horizontal. Then, you can let go of your hold
because the gas springs work well.
(7) Disconnect all the external cables from the CRT. (Refer to CAUTION above.)
(8) Remove the two screws fixing the gas spring with the CRT cabinet.
During removal of the screws, one service person shall hold the CRT.
(9) Remove the stopper fittings from the T-hinges.
(10) Two service persons shall take out the CRT from the cabinet and lay it on its screen surface
downward on a table carefully.
(11) Remove the socket, the deflection coil and the anode terminal.
(12) Remove the four M8 fittings from the CRT.
(13) Attach the CRT fittings to a new CRT paying attention to the position of the anode terminal, and
reassemble the CRT in the reverse sequence as described above.
2 JMA-9832-SA, JMA-9822-6XA/9XA (Display Unit: NCD-4111)
(1) Remove the two M4 screws fixing the cover under the bottom of the operation panel unit with the
CRT cabinet.
(2) Loosen the four M5 screws fixing the operation panel unit by inserting a screwdriver into the small
holes.
(3) Slide the entire operation panel unit frontwards (approx. 20 mm).
(4) Remove the front panel by removing the four M6 screws.
(5) Remove the right side panel by removing the eight M4 screws.
(6) Disconnect all the external cables from the CRT (from the right side panel).
(7) Take out the CRT from its cabinet by removing the four M8 screws.
(8) Reassemble a new CRT in the reverse sequence as described above, paying attention to the
position of the This section describes the electrical adjustments of the equipment as the adjustment
procedures to be carried out by service persons at the time of installation.anode terminal.
● When replacing the CRT, which is easily broken by a little impact, handle it carefully and do not
hit any article against it or put it on a hard article.
Attention
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