Pcb-Signal - Mitsubishi Electric WT-46807 Service Manual

MODELS: WT-46807 / WS-55807 / WS-55857 / WS-55907 / WS-65807 / WS-65857 / WS-65907 / WS-73907
Sub Contrast ....................................................................................................................... 37
Dynamic Focus Preset ........................................................................................................ 38
Electrostatic Focus .............................................................................................................. 38
Lens Focus .......................................................................................................................... 39
Character Position .............................................................................................................. 39
Deflection/Convergence Geometry Presets ........................................................................ 40
Deflection Circuit Geometry Adjustments ........................................................................... 41
Convergence Circuit Geometry Adjustments ...................................................................... 42
Centering and Static Convergence ..................................................................................... 43
Coarse Convergence Adjustments ..................................................................................... 44
Fine Convergence Adjustments .......................................................................................... 45
CHIP PARTS REPLACEMENT ....................................................................................................... 46
REPLACEMENT PARTS
Parts Ordering .............................................................................................................................. 47
Critical and Warranty Parts Designation ...................................................................................... 47
Parts Tolerance Codes ................................................................................................................. 47
Quick Reference List ................................................................................................................... 48
Service Parts List ......................................................................................................................... 49
CIRCUITRY BLOCK DIAGRAMS
Standby Supply Regulator ........................................................................................................... 66
Switched Supply Regulator .......................................................................................................... 67
Video / Color A/V Switch Circuit .................................................................................................. 68
Video / Color Signal Path ............................................................................................................. 69
Sync Signal Path ......................................................................................................................... 70
Deflection / HV ............................................................................................................................. 71
X-Ray Protect ............................................................................................................................... 71
Sound Circuit ............................................................................................................................... 72
Convergence ................................................................................................................................ 73
Control Circuit .............................................................................................................................. 74
SCHEMATIC DIAGRAMS
Overall Block Diagram ................................................................................................................... 1
PCB-POWER ................................................................................................................................. 2
PCB-MAIN ..................................................................................................................................... 3
PCB-SIGNAL (AV/I-O .................................................................................................................... 4
PCB-SIGNAL (MICRO) .................................................................................................................. 5
PCB-SIGNAL (VC/SW) .................................................................................................................. 6
PCB-2HDW (IN) ............................................................................................................................. 7
PCB-2HDW (MAIN) ....................................................................................................................... 8
PCB-2HDW (OUT) ......................................................................................................................... 9
PCB-TERMINAL .......................................................................................................................... 10
PCB-CONVERGENCE GENERATOR/JUNGLE .......................................................................... 11
PCB-3DYC/MAIN DECODER ...................................................................................................... 12
PCBs - CRT/CONTROL/PREAMP/DBF/FRONT/DISPLAY ......................................................... 13
PCB-BMP (1) ............................................................................................................................... 14
PCB-BMP (2) ............................................................................................................................... 15
PCB LAYOUT DIAGRAMS ............................................................................................................. 16
Section 2 .... Schematic Diagrams
Page 4