MODELS: WS-55859 / WS-55909 / WS-65869 / WS-65909 / WS-73909
Page 4
Black Level .......................................................................................................................... 36
Sub Contrast ....................................................................................................................... 36
Dynamic .ocus Preset ........................................................................................................ 37
Lens .ocus .......................................................................................................................... 37
Electrostatic .ocus & Alignment Magnet Adjustment .......................................................... 38
On Screen Display Character Position ................................................................................. 38
Deflection/Convergence Geometry Presets .......................................................................... 39
Deflection Circuit Geometry Adjustments ............................................................................. 40
Convergence Circuit Geometry Adjustments ........................................................................ 41
Centering and Static Convergence ....................................................................................... 42
Coarse Convergence Adjustments ....................................................................................... 43
.ine Convergence Adjustments ............................................................................................ 44
CHIP PARTS REPLACEMENT ......................................................................................................... 45
REPLACEMENT PARTS
Parts Ordering .............................................................................................................................. 46
Critical and Warranty Parts Designation........................................................................................ 46
Parts Tolerance Codes .................................................................................................................. 46
Quick Reference List .................................................................................................................... 47
Service Parts List.......................................................................................................................... 48
Screen Parts List .......................................................................................................................... 59
CIRCUITRY BLOCK DIAGRAMS
Standby Supplies Regulator .......................................................................................................... 61
Switched Supplies Regulator ........................................................................................................ 62
DM Power Supply ......................................................................................................................... 63
Video / Color A/V Switch Circuit ................................................................................................... 64
Video / Color Signal Path .............................................................................................................. 65
Sync Signal Path .......................................................................................................................... 66
Deflection / HV.............................................................................................................................. 67
X-Ray Protect ............................................................................................................................... 67
Sound Circuit ................................................................................................................................68
Convergence ................................................................................................................................. 69
Control Circuitry ............................................................................................................................ 70
Section 2 .... Schematic Diagrams
SCHEMATIC DIAGRAMS
Overall Block Diagram ................................................................................................................... 1
PCB-MAIN ..................................................................................................................................... 2
PCB-POWER................................................................................................................................. 3
PCB-TERMINAL ............................................................................................................................ 4
PCB-SIGNAL-1 (MICRO)................................................................................................................. 5
PCB-SIGNAL-2 (AV I/O) .................................................................................................................. 6
PCB-SIGNAL-3 (VIDEO / CHROMA) ............................................................................................... 7
PCB-3DYC ..................................................................................................................................... 8
PCBs-CONV GEN / JUNGLE ..........................................................................................................9
PCBs - CRT / CONTROL / SVM / DB. / DM POWER .................................................................. 10
PCB-2HDW-1 ............................................................................................................................... 11
PCB-2HDW-2) .............................................................................................................................. 12
PCB-2HDW-3 ............................................................................................................................... 13
PCB LAYOUT DIAGRAMS ............................................................................................................... 14
