Sony VPL-HW20 / VPL-HW20A Service Manual ▷ View online
1-9 (E)
VPL-HW20
1-3-8. C Board-3
1-3-9. Optical Unit Assembly
2 Six screws
(PSW M3
(PSW M3
x 8)
4 Six screws
(PSW M3
(PSW M3
x 8)
6 Screw
(PSW M3
(PSW M3
x 8)
1 Two EMC tapes (25)
9 C sheet (CU)
3 C board cover
5 C board
CN700
CN500
CN600
8 Remove the C board
holder assembly in the
direction of the arrow A.
holder assembly in the
direction of the arrow A.
7 Open the three gasket
holder assemblies.
holder assemblies.
A
Be careful not to drop
the three EMC clips.
the three EMC clips.
1 Screw
(PSW M3
(PSW M3
x 8)
7 Screw
(PSW M4
(PSW M4
x 16)
3 Two screws
(PSW M3
(PSW M3
x 8)
4 HB board,
LED bracket
LED bracket
8 Optics attachment
5 Loosen three screws.
6 Lamp block assembly
2 TL board
![ Optical unit assembly
!= Zoom ring assembly
!- Focus ring assembly
9 Three tapping
screws (1.7
screws (1.7
x 4)
0 Three tapping
screws (1.7
screws (1.7
x 4)
1-10 (E)
VPL-HW20
1-3-10. D.C. Fan
4 Two dowels
5 Remove the D.C. fan block
in the direction of the arrow B.
3 Two screws
(BVTP3
(BVTP3
x 12)
6 Six hooks
0 D.C. fan
8 Fan bracket
(F) (CH)
(F) (CH)
7 Fan bracket
(R) (CH)
(R) (CH)
9 Eight fan dampers
B
Rear Side
of Unit
of Unit
Two fan harnesses
2 Hook
1 Remove the lamp power connector
assembly in the direction
of the arrow A.
assembly in the direction
of the arrow A.
A
Hook
Chassis
Lamp power connector
assembly
assembly
Lamp power connector
assembly
assembly
Label side
1-11 (E)
VPL-HW20
1-3-11. GA
Board
1-3-12. GB Board
5 Four screws
(PSW M3
(PSW M3
x 8)
4 Clamp filter
(Ferrite core)
(Ferrite core)
6 GA board
CN101
CN102
CN103
CN104
CN105
3 Remove the G board cover assembly
in the direction of the arrow A.
in the direction of the arrow A.
1 Screw
(BVTP3
(BVTP3
x 12)
2 Three hooks
G board cover
A
Fuse connector assembly
1 Four screws
(PSW M3
(PSW M3
x 8)
CN201
G board holder block
CN202
CN203
CN302
CN303
CN301
When extending the C board, remove the
connector CN301, and extend the board
using the K SH connector assembly.
(Refer to page 1-18.)
connector CN301, and extend the board
using the K SH connector assembly.
(Refer to page 1-18.)
2 Clamp filter
(Ferrite core)
(Ferrite core)
3 GB board
When removing the G board, remove it in the
way that the G board should not contact with
the metal plate of the G board holder.
way that the G board should not contact with
the metal plate of the G board holder.
1-12 (E)
VPL-HW20
1-3-13. Lamp Power Supply
1-3-14. QB Board
1 Two screws
(BVTP3
(BVTP3
x 12)
6 Lamp power supply
3 Remove the lamp power supply
in the direction of the arrow.
in the direction of the arrow.
2 Two dowels
Lamp power connector assembly
5 Heat sink (BA), Sheet (BA)
4 Two clips (BA)
X3
X2
X1
QB board
1 Two hexagon screws
(There is a height difference.)
(There is a height difference.)
2 QB board
CN91
QA board
QA board
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