COPYRIGHT © 2002 MERIT INDUSTRIES, INC.
NOTE: Do not twist the neck board dur-
ing removal.
6.
Disconnect the degaussing power con-
nector (black wires) from SW101 on
the monitor chassis board. See Figure
17.
7.
Disconnect the rotation switch connec-
tor (black and red wires) on the moni-
tor chassis board. See Figure 17.
8.
Disconnect the 4-pin yoke assembly
connector (blue, brown, yellow, and
red wires) from J127 on the monitor
chassis board. See Figure 17.
9.
Carefully remove the high voltage line
from the back of the monitor by lifting
the rubber seal and pinching the metal
prongs until the line can be pulled from
the monitor.
10. Remove the screw securing the A/C
power cable clamp to the metal mount-
ing frame (see Figure 18), then discon-
nect the A/C power connector from the
monitor chassis board (See Figure 17).
11. Remove the monitor control board from
the velcro on the inside of the game.
12. Remove the remaining (3) screws se-
curing the monitor chassis board as-
sembly to the game (see Figure 18) and
carefully remove the monitor chassis
board, neck board, and monitor control
board.
Monitor Chassis Board
Replacement
13. Carefully replace the new chassis
board assembly with the A/C power
connector towards the bottom of the
game. Once the board is correctly
aligned, reconnect the A/C power con-
nector on the monitor chassis board
and replace the screw securing the
cable clamp to the metal frame. Then
replace the remaining (3) screws to
secure the monitor chassis board as-
sembly to the game.
14. Replace the monitor control board on
the velcro on the inside of the game.
15. Carefully replace the high voltage line
on the back of the monitor.
16. Carefully reconnect the neck board on
the picture tube.
17. Reconnect the 4-pin yoke assembly
connector (blue, brown, yellow, and
red wires) to J127 on the monitor chas-
sis board. See Figure 17.
18. Reconnect the rotation switch connec-
tor (black and red wires) on the moni-
tor chassis board. See Figure 17.
19. Reconnect the degaussing power con-
nector (black wires) to SW101 on the
monitor chassis board. See Figure 17.
20. Reconnect the monitor signal cable to
P901 and the ground connector to GND-
4 on the neck board. Then reconnect
the second ground connector from
GND-3. See Figure 16.
21. Replace the neck board bracket and
fasten the bottom of the bracket with
the (3) screws removed in step 3, then
the upper part of the bracket with the
(4) screws and spacers.
22. Plug in and turn on the game.
23. Use the SETUP and CALIBRATE but-
tons and the monitor control board to
adjust the monitor settings, if neces-
sary.
24. Close and lock the rear door.
7 MONITOR CHASSIS BOARD REPLACEMENT PM0337-01 Rev C
