Lexicon RV-8 Service Manual page 74

RV-8 Service Manual
9. Store the module in a static-free area.
To remove the video board:
1. First rotate the RV-8 so the rear panel is facing you.
2. Disconnect the following cables: J18 (the 4 wire power cable) and J20 (the thin white ribbon cable).
3. On the back rear panel remove the four black screws that hold the board in place.
4. Carefully pull the board inward then up and out of the RV-8.
5. Store it in a static-free area.
To remove the analog board:
1. Disconnect the following cable on the analog board and power supply connector: J19.
2. Looking down on to the board, locate the three black screws that hold the board to the center chassis.
3. On the rear panel, remove the fifteen black screws along the row of analog RCA connectors.
4. Carefully pull the board inward then up and out of the RV-8.
5. Store it in a static-free area.
To remove the Main Power Supply Assembly:
Note:
To remove the center main power supply, first remove the amp channels.
1. On the top of the main supply assembly disconnect the following cables: J2, 5, 6, 7, 21 and P1.
2. Turn the RV-8 over and remove the ribbon cable J20 that runs to the front panel.
3. Remove the six screws that hold the assembly in place (three on each amp channel side).
4. Carefully grab on to the assembly and pull up, removing it out the bottom of the RV-8 chassis.
5. Store it in a static-free area.
To remove the Tuner/Phono Board:
1. Place the RV-8 upside-down with the rear panel facing you.
2. Locate the Ground Lug and remove it from the rear panel.
3. Grab the Tuner/Phono board assembly and remove the two rear panel screws.
4. Carefully lift the assembly out and disconnect the two ribbon cables at J2 and J4.
5. Lift the assembly out and store it in a static-free area.
Removing the Main Processor Board:
Note:
The Tuner/Phono assembly should be removed prior to removing the Main Processor board.
1. Place the RV-8 upside down with the rear panel facing you.
2. Locate and disconnect the following power and ribbon cables: J20, 2, 23, 24, 26, 27, 29, 31,and 32
3. Locate and remove the four screws that hold the Main board to the chassis.
4. On the rear panel of the RV-8 locate the screws and other fasteners that hold the Main board to the
rear panel.
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