Disassembly - JVC HD-52Z585 Service Manual

3.1 DISASSEMBLY PROCEDURE
• Make sure that the power cord plug is pull out from the AC wall
outlet.
• Wait until the LAMP UNIT has cool down is completely.
• While not in repair service, place the chassis back its original
position.
CAUTION AT DISASSEMBLY
• Pay extra attention in the following matter when turning the
power on with the BODY COVER removed.
(1) Prior to disassembly, unplug the power cord from the AC
outlet without fail. (Turn the power "off".)
(2) Make sure that the REAR JACK PWB: IC2081 is
completely covered with black masking tape. (Fig.1)
(3) Make sure to remove the masking of REAR JACK:
IC2081 when attaching the BODY COVER.
(4) Do not turn the power on until the BODY COVER is
attached properly, after the masking is removed.
IC2081
REAR JACK PWB
Fig.1
<FRONT SIDE>
3.1.1 SPEAKER GRILL (L & R)
(1) Remove 1 screw [ A ] from right rear side.
(2) Remove 1 screw [ B ] from left rear side.
(3) Take out the SPEAKER GRILL (L& R).
3.1.2 SPEAKER
• Take out the SPEAKER GRILL.
(1) Remove 4 screws [ C ].
(2) Take out the SPEAKER.
* Remove the both side SPEAKER same manner.
3.1.3 FRONT PANEL
• Take out the SPEAKER GRILL.
(1) Remove 4 screws [ D ].
(2) Take out the FRONT PANEL.
3.1.4 LAMP COVER
• Take out the SPEAKER GRILL of LEFT SIDE.
(1) Remove 1 screw [ E ].
(2) Take out the LAMP COVER.
NOTE :
• Do not leave the LAMP COVER removed for long time to
prevent dirt and dust form covering the lens.
• Make sure that the LAMP COVER is completely installed.
SECTION 3

DISASSEMBLY

3.1.5 FRONT LED PWB
• Take out the SPEAKER GRILL.
• Take out the FRONT PANEL.
(1) Remove 2 screws [ F ] from rear side of FRONT PANEL.
(2) Take out the FRONT LED PWB.
3.1.6 FILTER COVER
• Take out the SCREEN BLOCK.
(1) Remove 2 screws [ G ].
(2) Take out the FILTER COVER.
• Remove the both side FILTER COVER same manner.
3.1.7 CENTER COVER
• Take out the SPEAKER GRILL.
• Take out the FRONT PANEL.
(1) Remove 2 screws [ H ].
(2) Take out the CENTER COVER.
3.1.8 SCREEN BLOCK
• Take out the SPEAKER GRILL.
Masking
• Take out the FRONT PANEL.
tape
(1) Remove the 4 screws [ I ].
(2) Remove 10 screws [ J ] from rear side.
(3) Take out the SCREEN BLOCK.
CAUTION :
• Place the SCREEN BLOCK on a flat table without fail.
• Because of the large size, at least 2 parsons are
• Use care not to scratch the screen during work.
• During assembly, be sure to engage the left and right tabs
• When supporting the SCREEN BLOCK, avoid grasping the
• Do not leave the SCREEN BLOCK removed for long time
3.1.9 SCREEN ASS'Y
• Take out the SCREEN BLOCK.
[HD-52Z575 / HD-52Z585]
(1) Remove 20 screws [ K ] from FRONT CABINET.
[HD-61Z575 / HD-61Z585]
(1) Remove 24 screws [ K ] from FRONT CABINET.
(2) Take out the SCREEN ASS'Y.
3.1.10 FRONT PANEL
• Take out the SCREEN BLOCK.
[HD-52Z575 / HD-52Z585]
(1) Remove 16 screws [ L ] from FRONT CABINET.
[HD-61Z575 / HD-61Z585]
(1) Remove 20 screws [ L ] from FRONT CABINET.
(2) Take out the FRONT PANEL.
recommended for removal and reassemble.
with the cabinet mounting positions.
top of the screen panel, instead grasp the left and right
areas.
to prevent soiling from dust.
(No.YA092B)1-11