AV-65WP74
(No.52096)1-13
2.5 SCREEN HANDLING CAUTIONS
2.5.1 SCREEN STORAGE
Store the SCREEN ASS'Y
in a standing position in order to avoid deformation. If the screen is stored horizontally, there is risk of
deforming the screen face.
When necessary to place the SCREEN ASS'Y horizontally, position the screen side upwards and sure to place spacers between the
screen and resting site (floor or stand etc.) to prevent the screen from sagging.
2.5.2 SCREEN SURFACE
Since the screen surface is easily scratched or soiled, use ample care when handling.
2.6 PROJECTION UNIT REPLACEMENT
2.6.1 ADJUSTMENT DURING REPLACEMENT
When replacing the three R, G and B projection units, first replace the R and B units and perform focus / screen / raster centering
adjustments
with reference to the G unit. Then replace the G unit and perform G focus / screen / convergence adjustment. Finally perform R & B .
Convergence adjustments. Use care to simultaneously removes all three-projection units.
2.6.2 DISASSEMBLY CAUTION
The projection units include locations that are not to be disassembled during service. When replacing projection unit parts,
disassemble to the state indicated in the figure below.
The figure indicates screws and wires that are not to be removed. Use care not to remove these.
SCREEN BRACKET
(TOP)
SCREEN BRACKET
(RIGHT)
SCREEN BRACKET
(BOTTOM)
Leave the screen with protector fresnel
lens and double lenticular lens attached.
If cannot be disassembled further.
SCREEN BRACKET
(LEFT)
SENSOR
SCREEN
FRONT CABINET
SENSOR
SENSOR
SENSOR
A( x 5)
A( x 5)
A( x 7)
A( x 7)
DISASSEMBLY PROCEDURE
If the screen or screen panel need to
be replaced, remove the 24 screws A.
LENS ASS'Y SCREW ( x 4)
LENS ASS'Y
CRT ASS'Y (COUPLER ASS'Y)
DEF. / CONVER. YOKE
VM PWB (G only)
PC MAGNET
PC MAGNET
TAPE
R CRT SOCKET PWB ASS'Y
G CRT SOCKET PWB ASS'Y
B CRT SOCKET PWB ASS'Y
Check that tape is applied to the CRT neck.
If absent, the deflection yoke can dislodge.
Deflection yoke wires : to connector on POWER & DEF. PWB ASS'Y.
[R="RHV", G="GHV", B="BHV"]
Convergence yoke wires : to connector on CONVERGENCE PWB ASS'Y.
[R="R", G="G", B="B"]
Do not remove screws
Do not disassembly
ANODE wires : to DIVIDER
Содержание AV-65WP74/HA
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