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Hitachi CM2073A, Руководство по эксплуатации

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BRIGHTNESS CONTROL

CONTRAST CONTROL

DEGAUSSING SWITCH

POWER SWITCH

 means power on.

“I" means power off.

 POWER INDICATOR

(This illuminates

when power is on.)

Fig. 1

CONTRAST AND BRIGHTNESS CONTROLS

These may be adjusted by releasing the push in/out rotary controls.

DEGAUSSING SWITCH

This display is equipped with an automatic degaussing circuit (This

circuit operates when power is switched 

 If the display is turned

horizontally and picture colour becomes un-uniform, push this switch
to get fine colour uniformity. Picture may become still after some ten

seconds.

6

Содержание CM2073A

Страница 1: ...MODEL CM2073A For Europe 1 OPERATING GUIDE ...

Страница 2: ...on up to 1280 dots X 1024 lines Sharp focus by in line high resolution CRT 20 inch 19V with a 0 311 1 dot pitch matrix Bright colour picture with low distortion due to the use of an efficient high performance deflection yoke Compact chassis and low power consumption with switching power supply and self converging system Ergonomically designed cabinet with tilt and swivel stand 2 ...

Страница 3: ...220 240 volts 50 Hz safety grounded outlet DO NOT CONNECT THE DISPLAY TO OTHER THAN THE SPECIFIED VOLTAGE Never remove the back cover of the display as this can expose you to very high voltage and other hazards If the display does not operate properly unplug the display and call your dealer NOTE 1 This colour display is equipped vith a three vire type plug This plug will only fit into a grounding ...

Страница 4: ...iquid enters the set it becomes dangerous to use the unit Immediately pull the plug out and contact your dealer KEEP IN A WELL VENTILATED PLACE Ventilation holes are provided in the cabinet to prevent the temperature from rising Do not place the unit in a place badly ventilated or cover the unit with materials such as clothes HIGH TEMPERATURE CAUSES TROUBLE Avoid placing the unit in direct sunshin...

Страница 5: ... such as benzine or thinners or any chemically treated cloth do not apply insecticide It may damage the surface or cause peeling off of the paint When a vinyl product is kept in contact with the surface for a long time stains may occur BE CAREFUL OF MAGNETISM Do not bring materials which generate magnetism such as a magnet printers floppy discs or transformers etc nearby the set may be affected by...

Страница 6: ...s on Fig 1 CONTRAST AND BRIGHTNESS CONTROLS These may be adjusted by releasing the push in out rotary controls DEGAUSSING SWITCH This display is equipped with an automatic degaussing circuit This circuit operates when power is switched on If the display is turned horizontally and picture colour becomes un uniform push this switch to get fine colour uniformity Picture may become still after some te...

Страница 7: ...INATORS Fig 2 FUSE F901 Please always use 4A 25DV IEC type fuse contact service personnel SIGNAL CABLE CONNECTION Connect R G B signal BNC connectors to the signal input When one display is used the 75 OHM terminator must be connected to yout BNC connector see Fig 4 When two more displays are used at the same time loop through state see Fig 6 for connecting cables 7 ...

Страница 8: ...inator must be connected Fig 3 75 OHM terminator connection side view from signal generator I from signal generator Fig 4 cable connection rear view TK j t o n e x t d i s p l a y Fig 6 2 more displays case loop through state signal cable v Fig 5 terminator not connected a ...

Страница 9: ...NC L in case of CM2073AME S 315 t R G B signal analogue 1 HORIZONTAL VERTICAL _ R G B I r ELHy u I i S p 2 0 4 7 4 unit pS p813H d unit H Fig 7 Fig 8 2 SYNC ON GREEN in case of CM2073A 312 315 CM2073AME S 315 Green Signal f11 5c120 47pJ unit pS I IJ unit H Fig 9 9 ...

Страница 10: ...ynamic Convergence and models with internal timing to preferred video driving boards Before any of the adjustments below are attempted please ensure that the model has been chosen appropriately from the options listed on page 16 of the operating guide The adjustments listed in this note permit some deviations from this table but it is important that the most appropriate model be chosen ADJUSTMENTS...

Страница 11: ... signal 4 When a display appears note the stability of the displayed image If it is not stable or it is displayed from centre switch off the mains supply and remove outer plastic case only by removing four screws from the rear panel and two screws from the centre portion It may be convenient to remove and replace signal and power cables at this stage since they pass through the rear cover See Fig ...

Страница 12: ...ld control if necessary with plastic trimmer 7 Either of the two previous controls should stabilize the picture If not call the service engineer 8 With a stable picture note the size and its position of the picture Any adjustment shoud be made in the following sequence Horizontal Centre 1 Horizontal Size Vertical Centre i Figs 11 and 12 Vertical Size B CUTOFF G CUTOFF R CUTOFF E EKG G EKG R EKG 41...

Страница 13: ...rity If this adjustment is necessary some readjustment of the vertical centre and size may be required 12 Display a picture that contains a large white area and check that the displayed image is white If it is not an unqualified engineer shoud not attempt to adjust the colour drives or background to compensate A qualified engineer must first determine that the black level pedestal is correctly pos...

Страница 14: ...Nr 6 22 S416 Vom 01 08 1986 Die Zulassung ist befristet bis zum 11 08 1996 Fiir den Strahlenschutz wesentliche Merkmale a die Bauart der Bildr8hre b die der Hochspannungserzeugung und stabilisierung dienenden Bau gruppen des Chassis Auflagen Gemi j 8 Abs 1 der R6V wird die Zulassung mit folgenden Auf lagen werbunden 1 Die Gerate sind einer Stkkprtifung raufhin zu unterziehen ob sie beztiglich der ...

Страница 15: ...rmt Beschleunigungsspannung maximal 31 kV 4 Jedem Erwerber eines Gerites ist ein Abdruck des Zulassungsscheines auszuhindigen auf dem das Ergebnis der Sttickprtifung Auflage 1 bestatigt sein mu Jedem Gerat ist ferner eine Betriebsanleitung beizufiigen die den in Auflage 3 genannten Hinweis enthilt Hinweis fur den Benutzer des Gera tes UnsachgemaBe Eingriffe insbesondere Verandern der Hochspannung ...

Страница 16: ...LUTTON 1280 dots H X1024 lines V MISCONVERGENCE 0 3 mm max all over with DDC 0 3 mm max center without DDc 0 5 nun max corners CONTROLS contrast brightness degaussing SW DIMENSIONS 506 W X415 H X542 D mm WEIGHT 35 kg incl tilt swivel stand S I G N A L T I M I N G S rl I SCANNING FREQUENCY 00 1 VI w 48 8kHz 1 6OHz CM2073A 301 I I 63 9kHz 60Hz CM2073A 302 159 5ktIz 70 4Hz DISPLAY AREA 360nxn H X27Oi...

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