JVC 250 service manual Electronics Module Tilt-up

Chapter 6---Miscellaneous Items

5.When the Latch Levers are inserted into the holding slots, lift the cover off. Be careful not to brush against any of the internal components of the projector when removing the cover. If any undue resistance is felt, stop to locate the source before proceeding.

6.Replace the covers in reverse order. When replacing either cover, make sure the slot in the cover fits over the bottom of the projector case or the cover will not close correctly.

6.2Electronics Module Tilt-up

The Electronics Module contains all the electronic Printed Circuit Boards for the Module 250 Projector except for the Video Amplifier PCB and its three associated CRT socket PCBs. It is located in the rear of the projector. The Electronics Module can be tilted to a 45° or 90° angle to access and perform service procedures on ILA® s, CRTs or the Video Amplifier PCB.

To tilt the Electronics Module up:

1.Remove the rear cover.

2.Unlatch the Electronics Module (see Figure 6-1)

3.The locking pin secures the Electronics Module in place at 0° , 45° or 90° rotation with the locking pin. The Electronics Module locking pin is located on the rear Electronics Module hinge on the right side of the Electronics Module.

4.Pull the locking pin out.

5.Lift the left side of the Electronics Module up while continuing to hold the locking pin out.

6.Release the locking pin when the Electronics Module is in the desired position and ensure that it snaps into place.

7.Reverse process to tilt Electronics Module down.

6-2 Model 250 Service Manual