Pcb-Terminal-1 (A/V I/O) - Mitsubishi Electric WS-48315 Service Manual

MODELS: WS-48315 / WS-55315 / WS-65315
Adjustment Procedures .................................................................................................................. 29
Test Point Locations ............................................................................................................. 29
HV Regulation ....................................................................................................................... 30
Main / Sub Y Level ................................................................................................................ 30
Main / Sub Color Level .......................................................................................................... 31
CRT Cutoff ............................................................................................................................. 31
White Balance (NTSC) .......................................................................................................... 32
White Balance (HD) .............................................................................................................. 32
Black Level............................................................................................................................ 33
Sub Contrast ......................................................................................................................... 33
Dynamic Focus Presets ....................................................................................................... 34
Lens Focus ........................................................................................................................... 34
Alignment Magnet & Electrostatic Focus .............................................................................. 35
Charactrer Position ............................................................................................................... 35
Geometry Presets ................................................................................................................. 36
Deflection Geometry Adjustments ......................................................................................... 37
Convergence Geometry Adjustments .................................................................................... 38
Centering & Static Convergence ............................................................................................ 39
Coarse Convergence Adjustments ........................................................................................ 40
Fine Convergence Adjustments ............................................................................................. 41
MonitorLink Picture Position ................................................................................................. 41
CHIP PARTS REPLACEMENT .......................................................................................................... 42
REPLACEMENT PARTS .................................................................................................................... 43
Parts Ordering ................................................................................................................................ 43
Critical and Warranty Parts Designation ........................................................................................ 43
Parts Tolerance Codes ................................................................................................................... 43
Quick Reference List ...................................................................................................................... 44
SERVICE PARTS LIST ..................................................................................................................... 45
SCREEN ASSEMBLY PARTS LIST ................................................................................................... 57
CIRCUITRY BLOCK DIAGRAMS ...................................................................................................... 59
CONTENTS
SCHEMATIC DIAGRAMS
PCB INTERCONNECT BLOCK DIAGRAM ....................................................................................... 1
PCB-MAIN ....................................................................................................................................... 2
PCB-POWER ................................................................................................................................... 3
PCB-TERMINAL-1 (A/V I/O) ............................................................................................................. 4
PCB-TERMINAL-2 (DVI), DOUBLER-3 ............................................................................................. 5
PCB-CRT, CONTROL, FRONT and PREAMP .................................................................................. 6
PCB-SIGNAL-1 (TUNER I/O) ............................................................................................................ 7
PCB-SIGNAL-2 (MICRO) .................................................................................................................. 8
PCB-SIGNAL-3 (VIDEO / CHROMA) ................................................................................................ 9
PCB-SIGNAL-4 (CONVERGENCE GENERATOR) ......................................................................... 10
PCB-DOUBLER-1 ........................................................................................................................... 11
PCB-DOUBLER-2 .......................................................................................................................... 12
PCB LAYOUT DIAGRAMS ................................................................................................................ 13
Part 2
Schematic Diagrams
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