JVC AV-65WP74/HA Service Manual page 17

Rear projection television
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2.7.12 PARTITION
• Take out the REAR PANEL.
(1) Pull out the PARTITION back ward.
2.7.13 MAIN UNIT
• Take out the SPEAKER GRILLE.
• Take out the connector [BH], [R], [BG] on the FRONT
CONTROL PWB.
• Take out the REAR PANEL.
(1) Remove 4 screws [ Q ] from front side.
(2) Remove 1 screw [ R ] attaching the MAIN CHASSIS and
BODY.
(3) Pull out the MAIN UNIT rear side.
NOTE :
• Except for confirmation of projection of images on the
screen and audio output through the speakers, the
removed MAIN UNIT is still workable in the same state as
if it is still built in the TV set. Therefore, the MAIN UNIT can
be removed, if necessary, for board diagnosis, electric
testing, etc. apart from confirmation of screen images and
audio output.
• When wire clamps are removed during work, use care to
restore them precisely to their original positions.
Performance can be affected if these are not returned to
the original positions.
• Because of the large size, at least two persons are
recommended for removal and reassemble.
• When carrying the MAIN UNIT, use care not to drop,
shock or shake it.
• Do not stain or damage the lens of the PROJECTION
UNIT.
• Do not look through the PROJECTION UNIT.
2.7.13.1 CHECKING THE P.W. BOARD
When checking the MAIN PWB, POWER & DEF PWB, etc., raise
the MAIN UNIT with the HV DIVIDER side down for the sake of
convenience. You can checking the POWER & DEF PWB and
CONVERGENCE OUT PWB.
2.7.14 LINE FILTER PWB
• Take out the REAR PANEL.
• Take out the AV JACK BOARD. (Refer to next page)
(1) Disconnect the connector [B], [F] on the LINE FILTER
PWB.
(2) Remove 3 screws [ S ] attaching the LINE FILTER
BRACKET and earth wire.
(3) Remove 2 screws [ T ] attaching LINE FILTER PWB.
(4) Take out the LINE FILTER PWB.
All manuals and user guides at all-guides.com
R
REAR SIDE
Q
Fig.7
F
S
R
R
LINE FILTER PWB
LINE FILTER BRACKET
Fig.8
AV-65WP7
MAIN UNIT
BODY
B
LINE FILTER BRACKET
(No.52096)1-17

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