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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.
Figure 9. K-Board Assembly
M-Board - DVD-TV CPU Interface
Plugs perpendicularly into 3 connectors on the
A-Board.
Figure 10. M-Board Assembly
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.
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 the
Safety Precautions (see 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 remove 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. These clampers
must be installed onto the replacement CRT prior
to mounting the degaussing coil.
To remove and re-mount the dag ground braid:
a.Unhook the coil spring from the bottom corners
of the CRT ears.
b.Release the braid loop from the upper corners of
the CRT ears.
7. Mount the dag ground braid on the replacement
CRT. Position the degaussing coil with new ties.
Dress coil as was on the original CRT.
8. Replace the components on CRT neck and
reinstall into cabinet. Verify that all ground wires
and circuit board plugs get connected.
IMPORTANT NOTE:
Reuse
bolts, connectors, etc.) upon
reassembling the Receiver.
- 12 -
hardware
(screws,
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