Acer AC501 AC501 Monitor Service Guide - Page 1

WARNING ...2 1. ALGNMENT PROCEDURE 3 A. Conditions...3 B. Functions Alignment...3 C. Preset Timing: ...6 2. OPERATION THEOREM 12 A. Power Supply (1) ...12 B. Deflection...12 C. Video ...12 D. Digital Controllable ...12 E. Function Block Diagram ...13 F. Power Supply...14 G. Under Voltage Protection...15 H. Degaussing CKT...15 I. Deflection ...16 J. Video AMP. Circuit...18 J-2. Video AMPLIFIER...18 K. Digit Control...20 3. CONTROL AND CONMECT LAYOUT 21 A.Main PCB ...21 B.CRT PCB ...22 4. TROUBLE SHOOTING 23 A.Power Supply Check ...23 B.Monitor Check Flow Chart ...24 APPENDIX A: PARTS LISTS 27 APPENDIX B: DISPLAY UNIT ASSEMBLY 82 PPENDIX C: P.C.B. ASSEMBLY 96 APPENDIX D: CRT& YOKE ASSEMBLY 106 1