17
CP-RX78 ( C15-20EE )
WARNING
Never wipe the optical filter for blue color attached on the
dichroic optics unit with a swab because it might be damaged.
Each color part has similar construction.By using swab and air duster, you can
easily remove dust from panel and optical filter.
3. Maintenance point
4. Cleaning the panels and optical filters
(1) Turn on the set and lit on the lamp.
(2) By using swab and air duster, remove the dust. Focusing dust makes you check the dust on screen.
• While removing the dust, separated dust will be blown off by air cooling system.
• Please pay attention not to damage panels and optical filters.
• Bend the top of SWAB a little if it is hard to insert the SWAB.
Panel
Holder
Optical filter
5. Re-assembly
(1) Turn off the set and unplug the power cord.
(2) Remove an insulator from S801.
(3) Screw down the PWB assembly MAIN and connect the LCD panel flexible cables to the PWB assembly MAIN.
(4) Re-assemble the set.
(5) While re-assembling, please clean the intake filter by using a vacuum cleaner.
Actual formation
Panel
Optical Filter
Optical filter for Blue
Lens assembly
Dichroic optics unit
Summary of Contents for C15-20EE
Page 46: ...46 CP RX78 C15 20EE 10 Block diagram VIDEO ...
Page 47: ...47 CP RX78 C15 20EE 11 Connector connection diagram ...
Page 49: ...CP RX78 C15 20EE 1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G POWER UNIT BALLAST 1 CONFIDENTIAL ...
Page 50: ...CP RX78 C15 20EE 1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G POWER UNIT BALLAST 2 CONFIDENTIAL ...
Page 51: ...CP RX78 C15 20EE 1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G POWER UNIT CIRCUIT CONFIDENTIAL ...
Page 52: ...CP RX78 C15 20EE 1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G PWB assembly MAIN 1 CONFIDENTIAL ...
Page 54: ...CP RX78 C15 20EE 1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G PWB assembly MAIN 3 CONFIDENTIAL ...
Page 55: ...CP RX78 C15 20EE 1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G PWB assembly MAIN 4 CONFIDENTIAL ...
Page 60: ...CP RX78 C15 20EE 1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G PWB assembly MAIN 9 CONFIDENTIAL ...
Page 61: ...CP RX78 C15 20EE 1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G PWB assembly MAIN 10 CONFIDENTIAL ...
Page 62: ...CP RX78 C15 20EE 1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G PWB assembly MAIN 11 CONFIDENTIAL ...
Page 63: ...CP RX78 C15 20EE 1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G PWB assembly MAIN 12 CONFIDENTIAL ...
Page 64: ...CP RX78 C15 20EE 1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G PWB assembly MAIN 13 CONFIDENTIAL ...
Page 66: ...QR78621 CP RX78 YK No 0628E ...
