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
Содержание AC501
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Страница 13: ...13 E Function Block Diagram ...
Страница 19: ...19 1 Block Diagram ...
Страница 21: ...21 3 CONTROL AND CONMECT LAYOUT A Main PCB ...
Страница 22: ...22 B CRT PCB ...
Страница 27: ...27 APPENDIX A PARTS LISTS ...
Страница 28: ...28 A FRU BOM A 1 Main PCBA 456A1800008 A 2 Video PCBA 452A1800001 ...
Страница 81: ...82 APPENDIX B DISPLAY UNIT ASSEMBLY ...
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Страница 105: ...106 APPENDIX D CRT YOKE ASSEMBLY ...
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