KV-34FQ75A - Sony TV Service Manual (repair manual). Page 16

16

To remove the D1 Board release the clip circled and carefully
remove the board in a vertical direction.

Position the chassis as indicated to access the its underside.
To gain access to the D Board follow the instructions on page
19. [Removal and Replacement of the main bracket bottom
plates ].

Release the two metal bracket support clips located on either
side of the chassis. Tilt the bracket very slightly away from the
shield case indicated. Release the J board board socket
retaining clip and carefully lift the complete assembly
vertically.

Follow the steps indicated in removal of the J board. With the
assembly removed access to the B3 board shield is possible. To
remove the shield locate and remove the two screws positioned on
either side and at opposite ends of the shield. Release the B3 board clip
and remove in a vertical direction. Please ensure that the screws are
refitted after service.

Clip

Shield
case

Screw

Note :
Removal of the B3, E, and M1 printed circuit boards follows the
same procedure of releasing the securing clips as indicated
in the fig for D1 board removal.
Take care not to apply to great a pressure to the clips as this may
cause damage.