HP S7650
2
Table of Content
Revision List. ……………………………………………………………………………………..…………… 3
1. Monitor Specifications..................................................................……….........…….……….. ……… 4
2. Precaution And Notices.................................................................…...……..…………….……….. 6
2-1 Safety Precautions .................................................................……………………..….….…… 6
2-2 Product Safety Notice ..........................................................…………………………......….. 6
2-3 Service Notes ...........................................................................………………………….……. 6
2-4 High Voltage Warning .............................................................…………………...……….…. 7
3. Operating Instructions ...............................................................……………...…………………….. 8
4. Adjustment ...........................................................................................……………….……………. 9
4-1 Adjustment Conditions And Precautions......................………………………………………… 9
4-2 Main Adjustments .....................................................................……………………………….. 9
4-3 Adjustment Method .................................................................……………..……….………… 9
5. Circuit Description ............................................................................……………………………….. 12
5-1 Micro Controller Circuit…………….. ........…………………………………………………..…… 12
5-2 Deflection Circuit ........……………………………………………………………………………... 13
5-3 Transistor &Diode Circuit ….........................……………………………………….………….. 14
6. Trouble Shooting Chart ................................................................……………………….……….. 15
6-1 No Raster……………………………………......................………………………………….…… 15
6-2 Abnormal Display .....................................................................…………….……………….. 17
6-3 No Blanking ................................................................................…………………………….. 18
6-4 Hor./Osc/Def/Hv Circuit Fault ............................................…………………..…………….. 18
6-5 Abnormal Horizontal Deflection .....................................……………………………………….. 19
6-6 Abnormal Vertical Scanning ...............................................………………………………….. 20
6-7 Side-Pin Cushion Distortion .................................................……………………….….……... 20
6-8 Poor Focus ...............................................................................………………...…………….. 20
6-9 Power Supply Trouble Shooting Chart.........................…………......……………………….… 21
7. Mechanical Of Cabinet Front Dis-Assembly ...............................……………………….….……… 22
8. BOM List .....................................................................................……………..…….……………….. 23
9. Block Diagram ....................................................................………………………………………….. 39
10. IC Block Diagrams .......................................................................…………….......………………… 41
11. PCB Layout ...................................................................................…………………………………... 45
12. Schematic Diagram ..........................................................................……………………………….. 47