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14 105B2 CM23 GS III Mechanical Instructions 9 Go to cover page 0. General To be able to perform measurements and repairs on the "circuit boards", these unit should placed in the service position first. 1.Remove the rear cover lid screws -Open 2 lids (right and left lid on the Rear cover) with "-" type screwdriver as shown in Fig. 1. -Remove 4 screws with "+" type screwdriver as shown in Fig 2,3. -Rear cover can be removed by hand easily now . Fig.1 Fig.2 2. Video panel a.Cut off cable ties (If it is necessary for repair.) b.Remove a screw as shown in Fig. 4. c.Disconnect "1604" as shown in Fig. 4. d.Remove video panel (ass'y) from CRT neck as shown in Fig. 5. 3. Main panel screws - Slide out Main panel a little bit as shown in Fig. 6. - Disconnect the degaussing coil (1112)from Main panel. - Remove the video panel from CRT. - Remove the "screw" of I/F cable from Main panel. Fig.3 "1604" Fig.4 screw - Disconnect the CRT ground "1703" from Video panel. - Disconnect the Hi-Pot cap from CRT. - Disconnect yoke wire "1113" from Main panel. - Disconnect "1820" from Main panel. - Disconnect "1821" from Main panel. - Slide the Main panel out of bottom tray as shown in Fig. 6. 4. Front control panel - Remove Front panel as shown in Fig. 7. 5. Service position - Place Main panel in service position as shown in Fig.8. Fig.5 Fig.6 Main panel - Reconnect yoke wire to "1113". - Reconnect "1820" from Control panel to Main panel. - Reconnect "1821" from Control panel to Main panel. - Mount Video panel again on CRT. - Reconnect Hi-Pot cap again. - Reconnect CRT ground "1703" again. - Reconnect "1604" again Control panel Fig.7 Metal shield - bottom Fig.8 SERVICE POSITION Control panel 3Back Forward4