
Page 10
MODEL: WD-57831 / WD-65831 / WD-73831
PWB-TERMINAL Removal
1)
Remove 2 screws (A) from the
Terminal Cover.
2)
Carefully pull upward to remove the
PWB-TERMINAL and Cover from
the chassis.
PWB-POWER Removal
1)
Remove 8 screws (B) from the
PWB-POWER.
2)
Disconnect all leads to the PWB-
POWER and lift it from the chas-
sis.
Chassis Box Top Cover Removal
1)
Remove 3 screws (C).
2)
Lift the cover from the chassis box.
Chassis (top shield removed)
PWB-SIGNAL Removal
After removing PWB-POWER the chassis
box cover:
1)
Remove 7 screws (A) from PWB-
SIGNAL.
2)
Disconnect all cables going to the
PWB-SIGNAL.
3)
Lift PWB-SIGNAL from the chassis
box.
Chassis (top shield removed)
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 ...