Jumper Settings; Front/Rear Jumpers - JVC 330 Service Manual

Figure 3-6 Electronic Focus and G2 Adjustments
NOTE: The Electronic focus and G2 adjustments are located on the high voltage
power supply on the rear-left side of the projector under the cover.

3.9 Jumper Settings

Table 3-1 illustrates which jumpers are used on the Horizontal Deflection Board
and the Vertical Deflection Board for different projector orientations.
Table 3-1 Projection orientation jumper settings.
Orientation
Front/Floor Upright
Image
Front/Ceiling
Inverted Image
Rear/Floor
Upright Image
Rear/Ceiling
Inverted Image

Front/Rear Jumpers

The Horizontal Scan Reversal Jumper reverses the image projection for front or
rear projection. Figure 3-7 illustrates the location of the jumpers on the Horizontal
Deflection Board (the board that is furthest from the rear of the projector) and
Model 330, 340SC, 370SC Service Manual
Convergence
jumpers
Vert. Def. Board
J500, J600,J700
J501, J601, J701
J501, J601, J701
J500, J600, J700
Chapter 3---Service Adjustments
Vertical jumpers
Vert. Def. Board
J200, J300, J400
J201, J301, J401
J200, J300, J400
J201, J301, J401
Horizontal
jumpers
Horiz. Def. Board
J500
J501
J501
J500
3-13