A Board Removal [Step 1]; A Board Removal [Step 2]; Service Position - Sony FD Trinitron KV-29CL11B Service Manual

2-3. A Board Removal [ Step 1 ]
Remove the 3 screws securing the PWB to the main bracket.
1 can be seen in the photo above and the other 2 are either
side of the FBT assembly.

2-5. Service Position

Position the chassis as indicated to access the solder side of the PWB's. To gain access to the A Board follow the instructions on
page 16. (Removal and Replacement of the main bracket bottom plates ].
Screw.
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2-4. A Board Removal [ Step 2 ]
Clip.
Release the 3 securing clips located at the side of the chassis
and slide the PWB clear of the bracket.