Service manual

MODELS: WS-48511 / WS-55511 / WS-55711 / WS-65511 / WS-65611 / WS-65711 / WS-65712 / WS-73711 / WS-B55
Page 3
INTRODUCTION ................................................................................................................................5
PRODUCT SAFETY NOTICE ............................................................................................................. 5
SAFETY PRECAUTIONS ................................................................................................................... 6
DISASSEMBLY
WS-48511 Cabinet Front Disassembly ............................................................................................ 7
WS-48511 Cabinet Rear Disassembly ............................................................................................ 8
WS-B55 / WS-55511 / WS-65511 Cabinet Front Disassembly ........................................................ 9
WS-65611 Cabinet Front Disassembly .......................................................................................... 10
WS-55711 / WS-65711 / WS-73711 Cabinet Front Disassembly ................................................... 11
WS-B55 / WS-55511 / WS-65511 / WS-65611 / WS-55711 / WS-65711 / WS-73711
Cabinet Rear Disassembly ................................................................................................... 12
WS-65712 Cabinet Front Disassembly ......................................................................................... 13
WS-65712 Cabinet Rear Disassembly .......................................................................................... 14
SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS
Lenticular Screen and Fresnel Lens Removal......................................................................... 15
WS-48511 ............................................................................................................................ 15
WS-B55 / WS-55511 / WS-65511 ........................................................................................ 16
WS-55711 / WS-65611 / WS65711 / WS-65712 / WS-73711 ............................................... 17
Lenticular Screen and Fresnel Lens Installation .................................................................... 18
SERVICING THE DIAMONDSHIELDS
TM
r
DiamondShield
TM
Removal & Installation ...................................................................................... 19
CABINET SEPARATION (65 and 73 inch)
WS-65712..................................................................................................................................... 20
WS-65511 ..................................................................................................................................... 21
WS-65611 / WS-65711 / WS-73711 .............................................................................................. 21
SERVICING PCBs
Chassis and DM Module Removal ................................................................................................. 22
PCB Locations.............................................................................................................................. 23
Main Components Location........................................................................................................... 23
DM Module Main Components Location ........................................................................................ 24
CRT REPLACEMENT
CRT Removal ................................................................................................................................25
CRT Installation ............................................................................................................................ 26
ELECTRICAL ADJUSTMENTS
Test Equipment ............................................................................................................................. 28
Initial Setup ................................................................................................................................... 29
LED Indicator Diagnostics ............................................................................................................. 30
Remote Control Operational Mode ................................................................................................ 30
Circuit Adjustment Mode............................................................................................................... 31
On Screen Display Position Adjustment Mode .............................................................................. 32
Convergence Adjustment Mode ..................................................................................................... 32
E2PROM Replacement ................................................................................................................. 34
Adjustment Items List ................................................................................................................... 34
Adjustment Test Points ................................................................................................................. 37
Adjustment Procedures ................................................................................................................ 38
Audio Circuit ........................................................................................................................ 38
High Voltage Regulation ....................................................................................................... 39
Main/Sub Y Level ................................................................................................................. 39
Side by Side Sub Picture Tint .............................................................................................. 40
Side by Side Sub Picture Color ............................................................................................ 40
CONTENTS