37
8.2.2 No picture
No picture
Check
intput signal
Check
I/O cable
Check
connector
Check
Q517, ZD501, ZD201
Check PC
Check U301
Check CRT
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Check
contrast & brightness
control adjust to MAX.
Check
U301 pin 14,17,20
output
Check all output
transister
Check C251
voltage = 70VDC
Check U301 PIN 8
voltage = 8VU301 PIN 10
PULSE BLANKING
Содержание AM501
Страница 1: ...AM 501 Service Guide 15 inch CRT Monitor ...
Страница 4: ......
Страница 36: ...32 6 9 Control And Conmect Layout 6 9 1 Main PCB ...
Страница 37: ...33 7 0 FUNCTION BLOCK DIAGRAM 7 1 Monitor Portion ...
Страница 38: ...34 8 0 POWER SUPPLY PORTION ...
Страница 43: ...39 APPENDIX A PARTS LIST ...
Страница 55: ...51 APPENDIX B DISPLAY UNTY ASSEMBLY ...
Страница 56: ...52 ...
Страница 61: ...57 ...
Страница 62: ...58 ...
Страница 65: ...61 APPENDIX C CRT YOKE ASSEMBLY ...
Страница 66: ...62 ...
Страница 68: ...64 ...
Страница 70: ...66 APPENDIX D P C B A ASSEMBLY ...
Страница 73: ......
Страница 74: ......
Страница 75: ......
Страница 76: ......