Service Position - Sony FD Triniton KV-28FQ75A Service Manual

2-4. Service Position

Position the PWB as indicated to access the solder side.
To gain access to the D Board follow the instructions on page
19. [Removal and Replacement of the main bracket bottom
plates ].
2-6. J Board Removal
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 verti-
cally.
2-5. D1 Board Removal
To remove the D1 Board release the clip circled and gently
remove the board in a vertical direction.
2-7. B3 Board Removal
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
Clip
refitted after service.
Screw
Shield
case
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.
17