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MTG-2907TN Publication A. Issue 1
SERVICE AND OPERATION MANUAL
MTG- 2907TN
OPEN FRAME VGA COLOR MONITORS
MTG-2907TN : 29INCH, FST
Information in this publication current as of Jun, 2003.
Information subject to change as display technology advance.
This publication produced by TOVIS Engineering Division.
This monitor has been designed and manufactured to deliver high performance video. For continued peak Performance
use safe operation, only high quality TOVIS replacement parts or their exact specified Equivalent When servicing.
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Summary of Contents for Tovis MTG-2907TN
- Page 1 Information subject to change as display technology advance. This publication produced by TOVIS Engineering Division. This monitor has been designed and manufactured to deliver high performance video. For continued peak Performance use safe operation, only high quality TOVIS replacement parts or their exact specified Equivalent When servicing.
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Page 2: Safety Precautions And Warnings
SAFETY PRECAUTIONS AND WARNINGS Service Warning CRT Warning This display contains HIGH VOLTAGE capable All picture tubes used in TOVIS monitors are of delivering LETHAL quantities of energy. equipped with an integral implosion protection Service should only be attempted by trained system. -
Page 3: Warranty
PERFORMANCE AND OPERATING DATA 1. Power Supply 10. X-Radiation *Power Input: Auto-Doubler - 0.50mR/hr Maximum 90VAC ~ 132VAC, 50/60Hz 182VAC ~ 264VAC, 50/60Hz 11. Mis-convergence *Fuse Rating: 250V, 50T 3.15A - Center : 0.40mm Maximum *Power Consumption: 130Watt ±20Watt - Corners : 2.0mm Maximum *Surge Current : 27A Peak (at 100VAC) 12. - Page 4 USER ADJUSTABLE CONTROLS There are four switches on the control panel. OSD Controls Adjustable controls allow the best display status for : User’s control. individual preferences A. BRIGHTNESS ADJUSTMENT Key Function 1) Press the “MODE” key then Main-Menu OSD come out as below Figure.
- Page 5 USER ADJUSTABLE CONTROLS K. COLOR ADJUSTMENT 1) Search “CG” sub-menu using “UP/DOWN” key on the Main-Menu OSD. Press the “MODE” key then Main-Menu OSD come out 2) Select the “CG” by pressing “SEL” key, then the as below figure. color Sub-Menu OSD comes out as below figure 3) Press “SEL”...
- Page 6 Factory control(On Screen Display) C. Color Adjustment 11) If you want to adjust other mode (CGA, EGA), Don’t adjust “CB”, Have to adjust “CONTRAST” and All adjustment method is same with user’s control “BRIGHTNESS”. mode except “COLOR”. 12) If you want to finish factory adjustment, Select “RECALL”...
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Page 7: Block Diagram
BLOCK DIAGRAM... -
Page 8: Troubleshooting Chart
TROUBLE SHOOTING CHART NO VIDEO NO POWER NO POWER NO VIDEO CHECK CHECK C842 SIGNAL CABLE AC LEVEL CHECK& CHECK& REPLACEMENT REPLACEMENT F801, SIGNAL CABLE POWER CORD CHECK C807 CHECK IC201 #21,24,26 PULSE DC LEVEL CHECK& REPLACEMENT CHECK IC201 BD801, IC801 #23 DC LEVEL &... - Page 9 TROUBLE SHOOTING CHART NO RASTER NO RASTER CHECK H/V & G2 CHECK Q425 WAVEFORM CHECK & CHECK REPLACEMENT G1 & DC 170V FBT, CRT CHECK BD404 DC 170V CHECK & CHECK & REPLACEMENT REPLACEMENT G1 CIRCUIT Q425, Q407 CHECK & REPLACEMENT BD404, R854 CONTRAST...
- Page 10 SERVICE NOTICS...
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