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JVC HD-52Z585 Manual

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(No.YA092B)1-17
<OPTICAL SIDE>
3.1.26 LAMP FAN DUCT & THERMOSTAT
• Take out the BODY COVER.
• Take out the BODY BRACKET.
• Take out the MAIN UNIT.
(1) Remove 4 screws [ A ].
(2) Take out the LAMP FAN DUCT.
(3) Remove 2 screws [ B ].
(4) Take out the THERMOSTAT.
3.1.27 FAN CONTROL PWB
• Take out the BODY COVER.
• Take out the BODY BRACKET.
• Take out the MAIN UNIT.
(1) Disconnect the connector [CN801:7pin (MAIN DRIVE
PWB)], [CN802:3pin (OPTICAL BLOCK COOLING FAN)],
[CN803:3pin (LAMP COOLING FAN)] and [CN804:4pin
(LAMP BALLAST UNIT)].
(2) Remove 1 screw [ C ].
(3) Take out the FAN CONTROL PWB.
3.1.28 REMOTE SENSOR PWB
• Take out the BODY COVER.
• Take out the BODY BRACKET.
• Take out the MAIN UNIT.
(1) Remove 1 screw [ D ].
(2) Take out the REMOTE SENSOR PWB.
3.1.29 OPTICAL / DRIVE ASS’Y
• Take out the BODY COVER.
• Take out the BODY BRACKET.
• Take out the MAIN UNIT.
(1) Remove 2 screws [ E ].
(2) Take out the SHADE COVER.
(3) Remove 2 screws [ F ].
(4) Take out the FRONT SHADE BRACKET.
(5) Remove 7 screws [ G ].
(6) Slightly raise and take out the OPTICAL / DRIVE ASS’Y.
(7) Peel off the shield (copper film) tapes.
NOTE :
• The OPTICAL / DRIVE ASS’Y contains precision optical
components.
Handle carefully and avoid imparting strong shock.
• OPTICAL / DRIVE ASS’Y construction
1) Optical block :
(D-ILA device, PBS, Field lens, Integrater, Mirror etc.)
2) Projection lens
3) Optical base
4) MAIN DRIVE PWB ASS’Y
5) Top duct
6) Shield tape
• When not performing repair work, attach the cap on the
lens to preventing dust from covering.
• When mounting to the set, make sure the front of the lens
side is in contact with the cushion on the body side.
• When installing this kit (OPTICAL/DRIVE ASS'Y) to the set,
first mount the FRONT SHADE BRACKET and SHADE
COVER (with cushion) to the kit (lens section).
• Do not leave the OPTICAL / DRIVE ASS’Y removed for
long time to prevent soiling from dust.
3.1.30 MAIN DRIVE PWB
• Take out the BODY COVER.
• Take out the BODY BRACKET.
• Take out the MAIN UNIT.
(1) Take out the TOP DUCT PLATE.
(2) Remove 2 screws [ H ].
(3) Take out the TOP DUCT.
(4) Take out the SHIELD TOP CASE.
(5) Remove 4 screws [ I ].
(6) Take out the MAIN DRIVE PWB.
(7) Take out the SHIELD PLATE.
(8) Slightly raise and take out the OPTICAL BLOCK.
3.1.31 OPTICAL BLOCK COOLING FAN
• Take out the BODY COVER.
• Take out the BODY BRACKET.
• Take out the MAIN UNIT.
(1) Remove 3 screws [ J ].
(2) Take out the SIROCCO TOP CASE.
(3) Remove 3 screws [ K ].
(4) Take out the OPTICAL BLOCK COOLING FAN.
3.1.32 LAMP COOLING FAN
• Take out the BODY COVER.
• Take out the BODY BRACKET.
• Take out the MAIN UNIT.
(1) Remove 2 screws [ L ].
(2) Take out the LAMP FAN BRACKET ASSY.
(3) Remove 4 screws [ M ].
(4) Take out the LAMP COOLING FAN.
3.1.33 LAMP BALLAST UNIT COOLING FAN
• Take out the BODY COVER.
• Take out the BODY BRACKET.
• Take out the MAIN UNIT.
(1) Remove 3 screws [ N ].
(2) Remove 4 screws [ O ].
(3) Take out the COOLING FAN (LAMP BALLAST UNIT).
3.1.34 LAMP BALLAST UNIT
• Take out the BODY COVER.
• Take out the BODY BRACKET.
• Take out the MAIN UNIT.
• Take out the LAMP BALLAST UNIT COOLING FAN.
(1) Take out the wire of LAMP BALLAST UNIT.
(2) Remove 4 screws [ P ].
(3) Take out the BALLAST BRACKET BOTTOM.
(4) Remove 4 screws [ Q ].
(5) Take out the BALLAST COVER.
(6) Take out the LAMP BALLAST UNIT.
3.1.35 LAMP COVER SW PWB
• Take out the BODY COVER.
• Take out the BODY BRACKET.
• Take out the MAIN UNIT.
(1) Remove 1 screw [ R ].
(2) Take out the LAMP COVER SW PWB.
… 17 …


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