2
GENERAL SAFETY INFORMATION
Warning: This product includes critical mechanical and electrical parts which are essential for x ray
protection. For continued safety, replace critical components that are indicated in the service
manual with exact replacement parts given in the parts list.
Operating high voltage with this product is 29Kv at minimum brightness. Refer to service
manual for measurement procedures and proper service adjustments.
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Terms in the manual
CAUTION Statements identify conditions or practices that could result in damage to the equipment or
other property.
WARNING Statements identify conditions or practices that could result in personal injury or loss of
life.
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Terms as marked on equipment
CAUTION Statements indicate a personal injury hazard not immediately accessible as one reads the
marking or a hazard which is properly included on the equipment itself.
WARNING Statements are clearly concerning indicated personal injury hazards.
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Symbols in the manual
The symbols indicate where applicable cautionary or other information is to be found.
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Symbols as marked on equipment
Protective GROUND terminal
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High Voltage Warning
And Critical Component Warning Label
The following warning label is on the CRT PWB shield case inside the unit.
Содержание 720D
Страница 17: ...15 TROUBLESHOOTING HINTS 1 No Character...
Страница 18: ...16 2 No Raster...
Страница 19: ...17 3 A missing Color...
Страница 20: ...18 4 Abnormal OSD Font...
Страница 21: ...19 5 Horizontal Output Circuit MODE SCAN B VGA 31 5KHz 43V 43KHz 60V 68KHz 97V 79KHz 112V 91KHz 127V...
Страница 22: ...20 6 Unstable Picture 6 1 Horizontal...
Страница 23: ...21 6 2 V OSC Deflection Circuit...
Страница 24: ...22 7 Focus...
Страница 25: ...23 7 1 Dynamic Focus FvH Fvv 720D 300V 140V 905D 320V 180V 905DS 400V 200V 905DF 350V 170V...
Страница 26: ...24 8 Convergence...
Страница 28: ...26 9 2 Vertical Size...
Страница 29: ...27 10 High Voltage Output Circuit...
Страница 30: ...28 11 Power Supply Unit P S U Replace R025...
Страница 31: ...29...
Страница 33: ...31 PCB LAYOUT 720D 905D 905S 905DF Main PCB Component Side...
Страница 34: ...32 720D 905D 905S 905DF Main PCB Solder Side...
Страница 35: ...33 720D 905D 905S 905DF CRT PCB Component Side 720D 905D 905S 905DF CRT PCB Solder Side...
Страница 36: ...34 905D 905DS Control PCB Component Side 905D 905DS Control PCB Solder Side...
Страница 37: ...35 905DF Control PCB Component Side 905DF Control PCB Solder Side...
Страница 38: ...36 SCHEMATIC DIAGRAM Power or Connection Section...
Страница 39: ...37 Control Vertical Section...
Страница 40: ...38 Deflection Hige Voltage Section...
Страница 41: ...39 Video Section...
Страница 42: ...40 EXPLODED VIEW MECHANICAL PARTS LIST 720D...
Страница 43: ...905D 41...
Страница 44: ...42 905DS...
Страница 45: ...43 905DF...