JVC HD-Z56RF7/A Service Manual page 21

3.1.3.9 REMOVING THE LAMP COVER SW PWB (Fig.6)
• Remove the LAMP COVER.
• Remove the BODY COVER.
• Remove the BODY BRACKET.
• Remove the MAIN UNIT.
(1) Remove the 2 screws [A].
(2) Remove the LAMP COVER SW BRACKET with LAMP
COVER SW PWB.
(3) Remove the 1 screw [B].
(4) Remove the LAMP COVER SW PWB.
3.1.3.10 REMOVING THE TERMOSTAT (Fig.6)
• Remove the LAMP COVER.
• Remove the BODY COVER.
• Remove the BODY BRACKET.
• Remove the MAIN UNIT.
(1) Remove the 2 screws [C].
(2) Remove the THERMOSTAT.
3.1.3.11 REMOVING THE LAMP FAN DUCT (Fig.6)
• Remove the LAMP COVER.
• Remove the BODY COVER.
• Remove the BODY BRACKET.
• Remove the MAIN UNIT.
• Remove the THERMOSTAT.
(1) Remove the 5 screws [D].
(2) Remove the LAMP FAN DUCT.
3.1.3.12 REMOVING THE LAMP COOLING FAN -1 (Fig.6)
• Remove the LAMP COVER.
• Remove the BODY COVER.
• Remove the BODY BRACKET.
• Remove the MAIN UNIT.
• Remove the LAMP FAN DUCT.
(1) Remove the 2 screws [E].
(2) Remove the COOLING FAN BRACKET by pulling
transversally.
(3) Remove the 1 screw [F].
(4) Remove the LAMP COOLING FAN-1.
3.1.3.13 REMOVING THE LAMP COOLING FAN -2 (Fig.6)
• Remove the LAMP COVER.
• Remove the BODY COVER.
• Remove the BODY BRACKET.
• Remove the MAIN UNIT.
• Remove the LAMP FAN DUCT.
• Remove the COOLING FAN BRACKET.
(1) Remove the 4 screws [G].
(2) Remove the LAMP COOLING FAN -2.
3.1.3.14 REMOVING THE LAMP BALLAST BLOCK (Fig.6)
• Remove the LAMP COVER.
• Remove the BODY COVER.
• Remove the BODY BRACKET.
• Remove the MAIN UNIT.
(1) Remove the 1 screw [H].
(2) Remove the LAMP BALLAST BLOCK.
(3) Remove the 2 screws [J].
(4) Remove the LAMP BALLAST DUCT.
(5) Remove the 2 screws [K].
(6) Remove the LAMP BALLAST UNIT.
3.1.3.15 REMOVING THE IRIS PWB (Fig.6)
• Remove the LAMP COVER.
• Remove the BODY COVER.
• Remove the BODY BRACKET.
• Remove the MAIN UNIT.
(1) Remove the 2 screws [L].
(2) Remove the IRIS PWB.
3.1.3.16 REMOVING THE REMOCON PWB(Fig.6)
• Remove the LAMP COVER.
• Remove the BODY COVER.
• Remove the BODY BRACKET.
• Remove the MAIN UNIT.
(1) Remove the 1 screw [M].
(2) Remove the REMOCON PWB.
3.1.3.17 REMOVING THE OPTICAL / DRIVE ASS'Y (Fig.6)
• Remove the LAMP COVER.
• Remove the BODY COVER.
• Remove the BODY BRACKET.
• Remove the MAIN UNIT.
• Remove the LAMP FAN DUCT.
(1) Remove the 7 screws [N], 6 screws [P] and 1 screw [Q].
(2) Remove the OPTICAL / DRIVE ASS'Y.
• OPTICAL BLOCK (D-ILA device, PBS, Field lens,
Integrater, Mirror etc.)
• PROJECTION LENS
• Optical base
• DRIVE PWB
• IRIS PWB
• TOP DUCT
• SHIELD COVER
NOTE :
• The OPTICAL / DRIVE ASS'Y contains precision optical
components.
• Handle carefully and avoid imparting strong shock.
• OPTICAL / DRIVE ASS'Y construction
• 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.
• Do not leave the OPTICAL / DRIVE ASS'Y removed for long
time to prevent soiling from dust.
(No.YA460)1-21