Manual de instrucciones de Genius 1993

Manual de instrucciones del aparato Genius 1993

Aparato: Genius 1993
Categoría: Car Video
Fabricante: Genius
Tamaño: 4.71 MB
Fecha de añadido: 4/1/2013
Número de páginas: 114
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Resúmenes de contenidos
Resumen del contenido incluido en la página 1

Monitor Models:
1493
1793
1993
2093
2793
3693
Safety Isolating
Transformer Models:
ISO XFR-75W
ISO XFR-100W
S E R V I C E M A N U A L
S E R V I C E M A N U A L

Resumen del contenido incluido en la página 2

2 YEAR LIMITED WARRANTY This product is warranted by CERONIX to be free of defects in material and workmanship for a period of two years from the date of purchase. All parts and labor are free of charge during the warranty period. This warranty does not cover mechanical breakage due to physical abuse. It is the customer's responsibility for shipping the defective unit to and from CERONIX or one of the authorized service centers for repair. Please attach a note describing the problem. CERON

Resumen del contenido incluido en la página 3

ABOUT THIS MANUAL This manual is specifically written to aid the service technician, repairing CERONIX Models 1493, 1793, 1993, 2093, 2793, and 3693 color monitors. There are three main sections: 1. General Description. 2. Circuit Description. 3. Repair Setup and Appendix. Appendix Schematics BLOCK Introduction Block Circuit Trouble Convergence & Diagram Diagram Description shooting Degaussing Assembly Description Handbook Installation P/O Form Drawings Instructions PRAs T

Resumen del contenido incluido en la página 4

TABLE OF CONTENTS About This Manual.............................................................................................................i Table of Contents................................................................................................................ii-iii 1 CERONIX Monitor Simplified Block Diagram................................................................. 2-4 Installation Instructions; English, French, and German................................................ 5-

Resumen del contenido incluido en la página 5

TABLE OF CONTENTS 68 Video Amplifier Circuit, Function, Description................................................................. Video Amplifier Circuit Description and Schematic.........................................................68-69 Video Board Power Supply and Arc Protect Schematic....................................................70 CRT Auto Bias and Auto Bright Circuit, Function, Description......................................71 CRT Auto Bias, Auto Bright, and Vertical Sync Del

Resumen del contenido incluido en la página 6

Monitor Simplified Block Diagram. VIDEO VIDEO VIDEO Output Interface Amps. CRT Drive Electronics Blanking AUTO BIAS SYNC Output Vertical Deflection FBT IB Horizontal Deflection Fault & Remote Horizontal Size High Temp. Controls Control Detection Isolated POWER SUPPLY Power This block diagram gives a broad view of the circuit organization of the 1493, 1793, 1993, 2093, 2793, and 3693 monitors. The blocks with the bold outline represent circuits which provide these monitors with a wide

Resumen del contenido incluido en la página 7

Installation Instructions For The XX93 Monitors. 1. A 3 amp slow blow fuse (for the degaussing current) and a 75 VA isolation transformer are the minimum requirements for using our monitor in a product. 2. Unpack the monitor. Refer to the installation instructions supplied 3. Install the monitor in the enclosure. by the system manufacturer for details of mounting the monitor in the enclosure. 4. Connect the green/yellow ground wire to the earth ground connection on the enclosure. This wire is co

Resumen del contenido incluido en la página 8

Instructions d´installation des écrans XX93. 1. Un fusible á fusion lente de 3 amp (pour le courant du champ magnétique d´adjustement) et un transformateur d´isolation de 75 VA sont le minimum requis pour utiliser nos écrans dans un produit. 2. Déballer l´écran. Se référer aux instructions d´installation foumies par le fabriquant 3. Installer l´écran dans son carter. du systéme pour les détails de montage de l´écran dans le carter. 4. Relier le fil de terre vert/jaune á l

Resumen del contenido incluido en la página 9

Installationsanweisungen für die XX93 Monitore. 1. Ein 3 Ampère-T sicherung (für die degaussing-Strömung) und ein 75 VA Isoliertransformator ist die Minimum-Forderung für benutzen unseren Monitoren in einem Produkt. 2. Packen Sie den Monitor aus. 3. Schließen Sie den Monitor Für Details, Folgen Sie den Installation-Anweisungen, im Gehause an. Vom Lieferanten der Antriebelektronik. 4. Verbinden Sie den Grüne/Gelben Schutzleiter zum Erdung anschluß auf dem Gehause. Dieser Draht ist verbunden zur

Resumen del contenido incluido en la página 10

XX93 Monitor Electrical Specification. CERONIX INPUTS 1. Standard Video Configurations, available, are: Min. Typ. Max A. Positive Analog, DC Coupled. Black level 0.00V 0.02V 0.04V .75V Video .6mA To Amp. Video Video Saturated color 0.75V 0.77V 0.79V Source D-A Black level 0.00V 0.02V 0.04V 75Ω 1.0V 75Ω Gnd Monitor Video Saturated color 1.00V 1.02V 1.04V Blk-.02V Blk+.02V Blank Black level .75V B. Positive Analog, AC Coupled. Video Saturated color Blk+.73V Blk+.75V Blk+.77V Video Zo=75Ω 75Ω 1

Resumen del contenido incluido en la página 11

XX93 Monitor Electrical Specification. CERONIX 2. The Sync signals may be of either polarity and separate or composite. Hs 1.8K Model Min. Typ. Max Sync Source .15V High input voltage 2.2V 3.5V 20V Vs 1.8K Low input voltage -2.7V .30V .80V Ω , 220 2 PL Gnd Monitor Horizontal sync pulse 1.5uS 4.0uS 12uS For composite sync, vertical and horizontal Vertical sync pulse 65uS .5mS 1.5mS sync lines are connected together. 15.9KHz Horizontal frequencies: 15.5KHz 15.7KHz 29.3KHz 29.6KHz 29.9KHz Custom h

Resumen del contenido incluido en la página 12

XX93 Monitor Electrical Specification. CERONIX 4. Five Controls are located on Model 1493 Model 1793 Model 1993 a separate PCB for easy access. Min. Max. Min. Max. Min. Max. H SIZE--------------Horizontal raster size 10.1" 11.1" 11.9" 12.9" 13.4" 14.4" V SIZE---------------Vertical raster size 7.3" 8.3" 8.6" 9.6" 9.8" 10.8" V RAS. POS.-----Vertical raster position 0" .50" 0" .50" 0" .50" 1" Right 1" Left 1" Right 1" Left 1" Right 1" Left H POS-------Horizontal picture position 0mA .75mA 0mA .75m

Resumen del contenido incluido en la página 13

XX93 Monitor Electrical Specification. CERONIX 7. Picture tube 1493-CGA/VGA/SVGA 1793-VGA/SVGA 1793-SVGA 1993-VGA/SVGA Inch mm Inch mm Inch mm Inch mm Useful diagonal 13.2 335 16 407 16.1 409 18 457 11.1 281 12.9 328 12.9 328 14.4 366 Useful horizontal 8.3 211 9.7 246 9.6 245 10.8 274 Useful vertical 22 22 2 2 22 Useful area 92.1 in 593 cm 125 in 807 cm 124 in 804 cm 165 in 1,003 cm .0110" .28mm .0106" .27mm .0098" .25mm .0102" .26mm Spacing of dot/line trios Phosphor Trio Type Dot Dot Dot Dot 1

Resumen del contenido incluido en la página 14

Refer to the block diagram on page 15 (foldout) when reading this description. A The Video Interface is designed around a custom IC and will accept DC or AC coupled positive analog video signals. It can also be used with negative analog and 4 line TTL. This IC has a built in multiplier circuit for the master gain control and blanking functions. Resistors are used to protect the IC and to set the gain. The programmed gain is dependent on the input signal amplitude except with the TTL m

Resumen del contenido incluido en la página 15

E The CRT Auto Bias IC is a combination of digital and analog circuitry. The digital part is a counter and control logic which steps the analog circuits through a sequence of sample and hold conditions. The analog part uses a transconductance amplifier to control the voltage on a 10uF capacitor (one per gun). This voltage is buffered and sent to the video amplifiers as the bias voltage. In monitors without CRT auto bias, this voltage is adjusted manually using a setup procedure to set the

Resumen del contenido incluido en la página 16

H The CRT for the 1493, 1793 and 2093 monitors have a 90° deflection angle. The 1993 incorporates 100° while the 2793 CRT has 110° and the 3693 has 111° deflection angles. These picture tubes have integral implosion protection and a EHT of 25KV. H1 The Vertical Dynamic Focus amplifies the parabolic waveform across the vertical coupling capacitor from about 3Vp-p to about 200Vp-p, depending on CRT requirements. This waveform sharpens the top and bottom portion of the raster on dual focus

Resumen del contenido incluido en la página 17

The sync pulse from the LA7851 triggers a one shot in the LA7838 which clamps the vertical ramp generation capacitor to 5V during the first half of vertical retrace. The ramp generation capacitor then charges via a constant current set by an external resistor. This resistor is connected to the V SIZE pot, located on the remote control board, for the vertical size adjustment. The vertical drive is a differential amplifier which compares the ramp voltage to the yoke return feedback current.

Resumen del contenido incluido en la página 18

Q The Remote Control PCB houses the: CONTROL DESCRIPTION CIRCUIT 1. H SIZE ----------- Horizontal raster size --------- Diode modulator 2. V SIZE ----------- Vertical raster size ------------- Vertical control 3. V RAS. POS. --- Vertical raster position ------- DC current to V. yoke 4. H POS ------------ Horizontal picture position -- H. sync delay 5. M GAIN ---------- Master gain ---------------------- Video interface R The Horiz

Resumen del contenido incluido en la página 19

XX93 Monitor Block Diagram. U G2≈290V 2 For Dual Focus The Switching Regulator is synchronized to the horizontal pulse and drives a power On Video Board. MOSFET. Unlike most regulators that have a common GND, this power supply has a common GAME G1≈–20V V+ and current is supplied from V- to GND. The MOSFET is connected to V– and signal VIDEO Beam VIDEO 3 3 3 3 VIDEO Current AMPS. ground (GND) through a transformer which is used as an inductor for series switch mode Interface CRT RGB Feedbac

Resumen del contenido incluido en la página 20

AA BB CC DD EE FF GG HH II JJ KK LL MM NN OO PP 0VDC Hs 56V 28,D3 TC11 VIDEO BOARD Fil. Beam current 22-28V Vs Red Video Amp. TC12 Feedback 800 Product safety note: Components marked by the symbol on this schematic have special characteristics important to safety. Fil. Rtn. .8Vpp 25,F7 Screen 0 , When replacing any of these components, be sure to use the parts specified in the parts list. Beam current Video Green Video Amp. 092 0 Feedback FOCUS 0 Board LA7838 Thermal Protecti


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