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8 109B2 GS3 CM25 Mechanical Instructions
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0. Location of the panel
0.1 Main panel (1155)
0.2 Video panel (1157)
1. General
To be able to perform measurements and repairs on the "circuit
boards", the monitor should be placed in Service Position (fig. 1) first:
How to remove the back cover of monitor :
There are 2 screws in the lid [1 screw are at the right side of the
monitor, the other 1 screw are at the left side of the monitor],to fix the
front cabinet and back cover of the monitor.
Step 1: To open the lid at the right-upper side and 1screw in right-
downer side of the monitor.(FIG.3)
Step 2: To open the lid at the left-upper side and 1screw in left- Fig. 2
downer side of the monitor.(FIG.4)
Step 3: To remove the backcover, you can see FIG.5
Step 4: To remove the16 screws on the metal shield, and remove the
metal shield, you can see FIG.6.
Chassis :
- After remove the back cover & metal shield, you can see the inside
of the monitor as Fig. 6.
- To remove 5 screws for service position as Fig. 6 to Fig. 8.
- Including remove bottom plate screw, then slide out chassis board lids
and disconnect metal shield.
Video panel :
- After remove the metal frame (Fig. 5), to remove the metal shield on
rear side of Video panel for measurement. screws
Fig. 3 Fig. 4
Main panel :
After remove the metal frame.
- To cut out cable tie and disconnect "video panel"
- To disconnect EHT cable
- To disconnect ground wire(1703) of video board.
- To disconnect M1802(6pin) to control panel.
- To disconnect M1401(4pin) yoke connector.
- To disconnect M1603(2pin) degaussing coil
- To slide out Main panel as Fig. 1.
Service position :
To get service position as Fig. 1 through Fig. 2 to Fig. 8.
2. Repair instructions
After the service position was obtained, all the panel's copper track Fig. 5 Fig. 6
side could be accessed.
screw
1157
1155
Fig. 7 Fig. 8
Fig. 1 Service Position
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