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Service Manual
PTV S
CREENS
P
REPARATION
Caution: The PTV screens are made of thin plastic and can be broken or scratched easily, if not handled
properly. Work in a clean and dust free environment to insure proper and trouble free installation. Use
lint free cotton gloves while assembling the PTV screens. Do not use abrasive solutions or solvents to
clean screen. If screen is dirty or spotty wipe with a soft, lint free cloth, dampened with Windex or a
similar product to clean the surface.
Note:
The alignment of the screens is vital for good picture. Make sure that proper screen orientation (top/
bottom & front/back) is observed while assembling the PTV screens.
Follow the procedure below for preparation and installation. Refer to Fig .7 for further information.
1.
Place the Fresnel screen (circular ridges) on
top of a cushioned surface.
2.
Clean impurities off the surface using an air
gun.
3.
If available, apply anti-static spray to the back
of the screen as illustrated in the figure below.
4.
Apply a double adhesive tape to the top front
edge of the Fresnel screen as illustrated in the
figure below.
5.
Place the lenticular screen (vertical ridges) on
top of a cushioned surface.
6.
Clean impurities off the surface using an air
gun.
7.
Apply a thin silicon to the back along the
horizontal and vertical edges.
8.
Carefully position the lenticular screen over
the Fresnel screen.
9.
Remove the protective film from the protective
screen.
10.
Clean impurities off the surface using an air
gun.
11.
Position the horizontal and vertical felt strips
on the protective screen as illustrated in the
figure below.
12.
Apply the double sided adhesive tape to the
front upper side of the protective screen as
illustrated in the figure below.
13.
Assemble the PTV screens in the order
illustrated in the figure below.
Figure 7. PTV Screen Preparation
Fresnel Screen
Fresnel Screen
Fresnel Screen
Lenticular Screen
Protective Screen
Protective Screen
Assembled Screen
Protective Screen
Lenticular Screen
Fresnel Screen
Double Adhesive
Tape
Felt (1465mm X 2)
Felt (835mm X 2)
Double Adhesive
Tape
(Front View)
Spray
Location of P/N
300mm
500mm
(1470mm)
(1470mm)
Transparent Tape
(250m m )
(4-6in from screen)
Front
Rear
Summary of Contents for PT- 56WX51CE
Page 25: ... 25 Service Manual G Board K Board Schematics G Board Schematic K Board Schematic ...
Page 26: ... 26 Service Manual G Board K Board PCB G Board PCB K Board PCB ...
Page 27: ... 27 Notes ...
Page 28: ... 28 Printed in USA K01062205PL0627 ...
Page 56: ... 28 A BOARD SCHEMATIC DIAGRAMA ELÉCTRICO TARJETA A A BOARD TARJETA A ...
Page 57: ... 29 A BOARD SCHEMATIC DIAGRAMA ELÉCTRICO TARJETA A A BOARD TARJETA A ...
Page 58: ... 30 A BOARD SCHEMATIC DIAGRAMA ELÉCTRICO TARJETA A A BOARD TARJETA A ...
Page 59: ... 31 A BOARD SCHEMATIC DIAGRAMA ELÉCTRICO TARJETA A A BOARD TARJETA A ...
Page 61: ... 33 Notes ...
Page 62: ... 34 Printed in USA K01052203ZR0511 ...
Page 111: ... 49 ALL MODELS D Board Layout ...
Page 112: ... 50 ALL MODELS D Board Schematic Left Portion ...
Page 113: ... 51 ALL MODELS D Board Schematic Right Portion ...
Page 114: ... 52 ALL MODELS A Board Schematic Left Portion ...
Page 115: ... 53 ALL MODELS A Board Schematic Left Middle Portion ...
Page 116: ... 54 ALL MODELS A Board Schematic Right Middle Portion ...
Page 117: ... 55 ALL MODELS A Board Schematic Right Portion ...
Page 118: ... 56 ALL MODELS DH Board Schematic ...
Page 125: ... 63 Notes ...