Front/Rear Jumper Settings - Hughes JVC Model 200 Service Manual

3.9 Front/Rear or Inverted Projection Jumper Settings
3.9.1 Front/Rear Jumper Setting (Horizontal Reverse)
Model 200 Service Manual
damaging the connector, grasp the ILA
the connector at the top.
4. If the overlap is at the top or bottom, be sure the projector is
level, then slide the spring clip (Figure 4-12) at the top of the
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ILA assembly backward and remove the ILA
slide out with some resistance). There are two adjustment
screws at the bottom of the ILA
and down movement. Turn these screws in or out very slightly
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to allow the ILA
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5. Reinstall the ILA
6. Repeat Step 4 if adjustment is still needed.
7. Retighten the 2 wing nuts.
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8. Reset the ILA biases to their previous levels from Step 2.
The Horizontal Scan Reversal Jumper reverses the image
projection for front or rear projection. Figure 3-7 illustrates the
jumpers' location on the Scan Reversal Board, and the proper
location for front and rear projection.
The projector is shipped with the jumper plugs inserted in J50 and
J100 for front projection. For a rear projection setup, these jumpers
must be inserted into JA50 and J101.
Figure 3-7. Scan Reversal Board.
To set the Horizontal Scan Jumper:
1. Turn power off at the projector and wait for the arc lamp to cool.
Chapter 3---Service Adjustments
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assembly which allow for up
to seat lower or higher, whichever is needed.
assembly and replace the spring clip.
HORIZ SIZE COILS
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assembly itself, not
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assembly (it will
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