Removal And Replacement Of The Main - Bracket Bottom Plates - Sony KV-28DS20U Service Manual

REMOVAL AND REPLACEMENT OF THE MAIN-BRACKET
BOTTOM PLATES.
(1) REMOVING THE PLATES
In the event of servicing being required to the solder side of the D Board printed
wiring board, the bottom plates fitted to the main chassis bracket require to be
removed.
This is performed by cutting the gates with a sharp wire cutter at the locations
indicated by arrows.
Note :There are 4 plates fitted to the main bracket and secured by 6 gates.
Only remove the necessary plate to gain access to the printed wiring board.
Cut points
Fig 1
INSERT FROM
THE BOTTOM
SIDE
FIG 3
MAIN BRACKET
In the event of the plates requiring to be removed
at a later stage, this can be achieved by inserting a
screwdriver in the snap-recess indicated as in Fig 4
and lifting out.
£
For safety reasons, on no account should the plates be
removed and not refitted after servicing.
(2) REFITTING THE PLATES
Because the plates differ in size it is important that the correct plates are refitted in
their original location.
The plates are identified by numerical markings on their top side e.g. 1,2
1. Identify the plate by locating its marking.
2. Rotate the plate through 180' (do not flip over).
3. Locate the corresponding numerical markings indicated on the main
chassis. See Fig 2.
4. Refit the plate as indicated in Fig 3 with the markings located next to each
other.
REFITTING
Fig 2
NUMERICAL MARKINGS
REFITTING
Fig 4