Chapter 5---Electronics

12.Disconnect the three Focus cables that run from the CRT Socket Connectors to the Focus connectors on the HVPS.

NOTE: Observe that each of the three Focus cables (large, red wires that run from each CRT Socket Connector to the Focus connectors on the HVPS) is joined near the CRT by a coupler plug and jack. Disconnect (and label) the focus cables at these couplers.

13.Loosen the six Pozi-drive Phillips-head screws that secure the Video Amplifier PCB to the projector frame.

14.Make sure everything is out of the way, then slide the Video Amplifier PCB toward the left so the mounting screws will clear the access holes and remove the board from the projector.

15.Reinstall in the reverse order from above.

Figure 5-28Video Amplifier PCB showing CRT Socket Connectors.

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Model 250 Service Manual

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Image 105
JVC 250 service manual 28Video Amplifier PCB showing CRT Socket Connectors