Sony RM-PJAW10 / VPL-BW7 Service Manual ▷ View online
3-3
VPL-BW7
2
Yes
No
Yes
Yes
No
No
No
The lamp ballast
is connected to
J16 on the main board
with the harness
normally ?
The harness
between the
lamp and ballast
is normal ?
F602 on the
power board
blows out ?
The lamp is broken ?
Change the ballast ?
Change F602.
No
Connect the harness securely.
Connect the harness securely.
Yes
Change the lamp.
Change the main board.
Yes
Change the ballast.
3-4
VPL-BW7
3
Yes
No
No
No
Yes
Yes
End
Yes
End
No
Yes
No
No
Screen is dark ?
Strange color ?
Screen flickers ?
Vertical stripes
on the screen ?
on the screen ?
The IR remote control
does not function ?
The screen brightness
is normal ?
Screen bright
is normal ?
is normal ?
Run the ADC calibration.
No
Check the IR sensor board
and harness.
and harness.
No problem. The set is normal.
Check another device and cable.
Check another device and cable.
Adjust
the white balance.
the white balance.
Yes
Yes
Adjust
the RGB V-com.
the RGB V-com.
Clean the lens and
the panel to remove dust.
the panel to remove dust.
Change the lamp.
4-1
VPL-BW7
4-1. Notes on Repair Parts
1. Safety Related Components Warning
w
Components
marked
! are critical to safe operation.
Therefore, specifi ed parts should be used in the case of
replacement.
replacement.
2. Standardization of Parts
Some repair parts supplied by Sony differ from those
used for the unit. These are because of parts common-
ality and improvement.
used for the unit. These are because of parts common-
ality and improvement.
3. Stock of Parts
Parts marked with “o” at SP (Supply Code) column of
the spare parts list may not be stocked. Therefore, the
delivery date will be delayed.
the spare parts list may not be stocked. Therefore, the
delivery date will be delayed.
4. Harness
Harnesses with no part number are not registered as
spare parts.
spare parts.
Section 4
Spare Parts
4-2
VPL-BW7
Overall
4-2. Exploded Views
11
4
7
10
7
9
1
5
12
7
6
8
2
3
K3
x 12
PWH3
x 6
PWH3
x 6
PSW M3
x 25
23
13
14
15
16
17
18
19
20
21
22
24
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