HP V7650 Series

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TABLE OF CONTENTS
Page
TABLE OF CONTENTS………………………………………………………………………... 2
REVISION LIST…………………………………………………………………………………. 3
1. SPECIFICATIONS .................................................................................................... 4-5
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 .......................................................................................... 13
5-1 MICRO CONTROLLER CIRCUIT .............................……………………... 13
5-2 DEFLECTION CIRCUIT .............................………………………………... 13
5-3 TRANSISTOR & DIODE CIRCUIT .............................……………………. 15
6. TROUBLE SHOOTING CHART .............................................................................. 15
6-1 NO RASTER, CRT RELATIVE CIRCUIT PROBLEMS ............................. 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
11-1 MAIN PCB LAYOUT……………………………………………………………… 45
11-2 CRT BOARD LAYOUT…………………………………………………………… 46
12. SCHEMATIC DIAGRAM ......................................................................................... 47