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K-Board - Customer Controls (Keyboard
Push Button Assembly)
Fastened to the inside of the cabinet front with 3
screws. The push button unit is attached to the
K-Board with 4 snap tabs (spring action). Press on
the tabs and pull up to release push button
assembly from the K-Board. Install the foam
(cushion) between the two rows of push buttons.
M-Board - DVD-TV CPU Interface
Plugs perpendicularly into 3 connectors on the
A-Board.
P-Board - DVD Power Supply
The P-Board is mounted onto the left chassis rail
with a metal bracket. The bracket is secured to the
rail with 2 screws. The P-Board is secured to the
metal bracket with 5 screws.
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Figure 9. K-Board Assembly
Figure 10. M-Board Assembly
Figure 11. P-Board Assembly
W-Board - Connector Interface Board
Located underneath the DVD unit. Secured to the
DVD enclosure with 2 screws.
Speakers
Speakers are secured to the cabinet's front with 4
screws.
Disassembly for CRT Replacement
1. Discharge the CRT as instructed in the Safety
Precautions. (See page 2.)
2. Disconnect the yoke (DY) plug, degaussing coil
(DEG) plug and the CRT 2nd anode button from
the main board.
3. Remove the C-Board from the CRT base and
unplug the black wire (CRT DAG ground) C10.
4. Disconnect the A11, A12, and Speakers plugs from
the A-Board.
5. Lift the Main Chassis (A-Board) and all mounted
boards completely out with the CRT Board attached.
CRT Replacement
1. Perform Disassembly for CRT Replacement
procedure.
2. Insure that the CRT H.V. Anode button is
discharged before handling the CRT. Read "Safety
Precautions" on page 2 on handling the picture
tube.
3. Remove the components from the CRT neck and
place the cabinet face down on a soft pad.
4. Note the original order for the CRT mounting
hardware as they are removed from the CRT
mounting brackets at each corner of the CRT.
5. Remove the CRT with the degaussing coil and the
DAG ground braid attached.
6. Note the original locations and mounting of the
degaussing coil and the DAG ground assembly to
insure proper reinstallation on the replacement
CRT.
To remove and re-mount the degaussing coil:
The degaussing coil is held in place by clampers
fastened to the CRT corner ears, indicated as
location "1", "2", "3" and "4" in Fig. 12. These
clampers must be installed onto the replacement
CRT prior to mounting the degaussing coil. Fasten
the clampers, beginning at position "1" and ending
at position "4", while maintain a distance of
30~40mm between the corner ears and the
degaussing coil, as depicted in the detail view in
Fig. 12.
To remove and re-mount the DAG ground braid:
a.Unhook the coil spring from the bottom left
corner of the CRT ear.
b.Release the braid loop from the upper right
corner of the CRT ear.
7. Mount the DAG ground braid on the replacement
CRT.
8. Replace the components on CRT neck and
reinstall into cabinet. Verify that all ground wires
and circuit board plugs get connected.
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