Service manual

MODEL: WL-82913
Page 4
Optical Adjustments
General Adjustment procedure .............................................................................................. 31
Operational Preparation ........................................................................................................ 31
Selecting and Internal Test Signal ......................................................................................... 32
Picture Rotation Adjustment ................................................................................................. 33
Vertical Trapezoid Distortion Adjustment ............................................................................... 33
Horizontal Trapezoid Distortion Adjustment ........................................................................... 34
CHIP PARTS REPLACEMENT .......................................................................................................... 35
REPLACEMENT PARTS
Parts Ordering ................................................................................................................................ 36
Critical and Warranty Parts Designation ........................................................................................ 36
Parts Tolerance Codes ................................................................................................................... 36
Quick Reference List ...................................................................................................................... 37
SERVICE PARTS LIST ..................................................................................................................... 38
SCREEN ASSEMBLY PARTS LIST ................................................................................................... 48
CIRCUITRY BLOCK DIAGRAMS ...................................................................................................... 49
Part 2
Schematic Diagrams
CONTENTS Page
SCHEMATIC DIAGRAMS
PCB INTERCONNECT DIAGRAM .................................................................................................. S1
PCB-POWER / SUB-POWER ....................................................................................................... S2
PCB-TERMINAL -1 ......................................................................................................................... S3
PCB-TERMINAL 2 .......................................................................................................................... S4
PCB-SIGNAL-1 (MICRO) ................................................................................................................ S5
PCB-SIGNAL-2 (TUNER-AUDIO) ................................................................................................... S6
PCB-MLINK /E2P ........................................................................................................................... S7
PCBs-CONTROL / FRONT / PREAMP / CONNECT ...................................................................... S8
PCB-TUNER DTV ........................................................................................................................... S9
PCB-DEMODULATOR .................................................................................................................. S10
PCB LAYOUT DIAGRAMS ................................................................................................................. 11