MODEL: WD-57831 / WD-65831 / WD-73831
Page 13
“73” Engine (xHD4) Removal
1)
Remove 2 screws (A) to remove the Lamp
access duct.
2)
Remove 3 screws (B).
3)
Disconnect all cables to the engine and
carefully remove it from the cabinet.
4)
From the top of the Engine, remove 4
screws (C).
(Top View)
Note: The Engine has no individual
service parts available. Attempting
to disassemble the Engine may void
the warranty.
Summary of Contents for WD-57831
Page 2: ......
Page 29: ...MODEL WD 57831 WD 65831 WD 73831 Page 29 73 Models Lamp Lamp Control Circuitry ...
Page 53: ...Page 53 MODEL WD 57831 WD 65831 WD 73831 MAIN POWER SUPPLY ...
Page 55: ...Page 55 MODEL WD 57831 WD 65831 WD 73831 POWER DISTRIBUTION ...
Page 56: ...MODEL WD 57831 WD 65831 WD 73831 Page 56 PWB SIGNAL VIDEO PATH ...
Page 57: ...Page 57 MODEL WD 57831 WD 65831 WD 73831 PWB DM Video Path ...
Page 58: ...MODEL WD 57831 WD 65831 WD 73831 Page 58 Sound Select Circuitry ...
Page 59: ...Page 59 MODEL WD 57831 WD 65831 WD 73831 Sound Signal Path ...
Page 60: ...MODEL WD 57831 WD 65831 WD 73831 Page 60 Overall Control Circuitry ...
Page 61: ...Page 61 MODEL WD 57831 WD 65831 WD 73831 Command input Circuit ...
Page 64: ...MODEL WD 57831 WD 65831 WD 73831 Page 64 Auto Input Detection ...
Page 65: ...Page 65 MODEL WD 57831 WD 65831 WD 73831 Short Protect Circuit ...