Sony RM-PJ4 / VPL-ES4 / VPL-EX4 Service Manual ▷ View online
1-1
VPL-ES4/EX4
1-1. Appearance Figure
1-2. Board Locations
Section 1
Service Information
Lamp power supply
Main
Power
Thermal sensor
IR sensor
Detection switch
1-2
VPL-ES4/EX4
1-3. Disassembly
1-3-1.
Upper Case Assembly
1-3-2.
Front Case Assembly and Sub Rear Case Assembly
Remove the upper case assembly before starting the removal work.
VPL-ES4 VPL-EX4
4 Two screws
(M 3 x 6)
(M 3 x 6)
5 Screw
(M 3)
(M 3)
!= Sub rear case assembly
7 Two screws
(+K 3 x 12)
(+K 3 x 12)
6 Six hexagon
screws
screws
![ Front case assembly
1 Lens cap
0 Two claws
2 Main board
connector (J6)
connector (J6)
3 IR sensor board
connector (J1)
connector (J1)
Sub rear case
assembly
assembly
Sub rear case
assembly
assembly
!- Speaker harnesses
9
Remove the upper case assembly from this corner with the
strong force to the extent that the upper case assembly will
not be damaged.
not be damaged.
8
Remove the upper case assembly from this corner with the
strong force to the extent that the upper case assembly will
not be damaged.
not be damaged.
Front case assembly
2 Four claws
4 Upper case assembly
3
Remove the upper case assembly from this corner with the
strong force to the extent that the upper case assembly will
not be damaged.
not be damaged.
1 Five screws (M 3 x 6)
1-3
VPL-ES4/EX4
1-3-3.
Main Board
Remove the front case assembly and sub rear case assembly before starting the removal work.
3 Main board
1 five screws
(M 3 x 6)
(M 3 x 6)
2 Remove the main
shield in the direction
of the arrow.
shield in the direction
of the arrow.
J17
Note:
The fan harness has been secured by the
main board bracket with a fixing screw.
(See section 1-3-5. mein bracket)
The fan harness has been secured by the
main board bracket with a fixing screw.
(See section 1-3-5. mein bracket)
J16
J6
J14 J20
J19 J21 J22
J23
J24
J25
J18
Lamp box assembly
When re-assembling,
give an appropriate
amount of extra slack
of this h
give an appropriate
amount of extra slack
of this h
arnesses
.
Main board
Radiation sheet
Main board bracket section
Main board
Because the h
arnesses
has the shape of flat
cross-section, do not insert the h
arnesses
with
excessive force. Find out the direction in
which the h
which the h
arnesses
can be inserted easily,
and then insert the h
arnesses
.
Harnesses
Harnesses clamp section
Main shield
J22
1-4
VPL-ES4/EX4
1-3-4.
Tunnel Outlet Section
Remove the front case assembly and sub rear case assembly before starting the removal work.
1-3-5.
Main Board Bracket Section
Remove the main board before starting the removal work.
1 Two tapping screws
(PAN 3 x 7)
(PAN 3 x 7)
2 Tunnel outlet section
J21
Main board
Main board
Lamp box
assembly
assembly
J21
Harnesses clamp section
Harnesses
Because the h
arnesses
has the shape of flat
cross-section, do not insert the h
arnesses
with
excessive force. Find out the direction in
which the h
which the h
arnesses
can be inserted easily,
and then insert the h
arnesses
.
2 Three tapping screws
(PAN 3 x 7)
(PAN 3 x 7)
1 Two screws
(M 3 x 6)
(M 3 x 6)
4 Main board bracket section
3 Screw
(M 4 x 6)
(M 4 x 6)
Power board
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