Qa Board - Sony VPL-VW90ES Service Manual

1-3-17. QA Board

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When replacing the QA board, perform the procedure before and after replacement.
(Refer to Section 2-2-2.)
1 Remove the Louver (L) and Lamp fan duct (ATT).
(Refer to steps 3 to 5 Section 1-3-16.)
Front Side
of Unit
CN703 CN1100 CN301
CN700
CN800
5 Sixteen connectors
6 Six screws
(BVTP3 x 12)
0 Remove the QA board
in the direction of the arrow A.
Marking is printed
on the top.
Lead with connector
(LVDS)
9 Two screws
(PSW3 x 8)
8 Two SP4-40 UNC screws
(No height difference)
7 Three screws
(BVTP3 x 12)
VPL-VW90ES
CN801
CN1000
CN400
CN601
CN600
QA board
CN1003
A
9
QA board
Two SP4-40 UNC screws (No height difference)
Lead with connector
(LVDS)
Flat clamp
Marking is printed
on the top.
CN1001
CN900
CN301
CN702
CN400
CN802 CN601
CN701
CN400
QA board
3 Screw
(BVTP3 x 12)
4 Wire holder
8 7
Front Side
of Unit
Two holders
QA board
CN801
CN1000
CN600
When installing the harness,
place the harness at a right
angle.
2 Open the
wire holder.
Two hexagon screws
(There is a height difference. )
QB board
1-15 (E)