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File name IBM Monitor E50 LC CB553H - Chassis CA-120 - Service Manual.pdf

IBM E50 LG CB553H COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CA-120 CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MENU SELECT CONTENTS SPECIFICATIONS ... 2 SAFETY PRECAUTIONS ... 3 TIMING CHART ... 4 OPERATING INSTRUCTIONS ... 5 WIRING DIAGRAM ... 6 BLOCK DIAGRAM ... 7 DESCRIPTION OF BLOCK DIAGRAM... ..8 ADJUSTMENT ... 9 TROUBLESHOOTING GUIDE ... 11 EXPLODED VIEW... 21 REPLACEMENT PARTS LIST ... 23 PIN CONFIGURATION... 27 SCHEMATIC DIAGRAM ... 30 PRINTED CIRCUIT BOARD... 32 SPECIFICATIONS 1. PICTURE TUBE Size DefIection Angle Neck Diameter Dot Pitch Face Treatment : 15 inch (Flat Square Tube) : 90° : 29.1 mm : 0.28 mm : AR-ASC (Anti-Reflection and Anti-Static Coating) AG(Anti-Glare) : MPR-II 3-2. Power Consumption MODE NORMAL (ON) STAND-BY SUSPEND OFF H/V SYNC ON/ON OFF/ON ON/OFF OFF/OFF POWER CONSUMPTION LED COLOR GREEN less than 75 W less than 15 W ORANGE less than 15 W less than 5W ORANGE Low Radiation 2. SIGNAL 2-1. Horizontal & Vertical Sync 1) Input Voltage Level : Low= 0~1.2V, High= 2.5~5.5V 2) Sync Polarity : Positive or Negative 2-2. Video Input Signal 1) Voltage Level a) Color 0, 0 b) Color 7, 0 c) Color 15, 0 2) Input Impedance 3) Video Color 4) Signal Format : 0 ~ 0.7 Vp-p : 0 Vp-p : 0.467 Vp-p : 0.7 Vp-p : 75 : R, G, B Analog : Refer to the Timing Chart 4. DISPLAY AREA 4-1. Active Video Area : · 285 x 215 mm (11.22" x8.46") - Max Image Size · 270 x 200 mm (10.63" x 7.87") - Preset Image Size 4-2. Display Color : Full Colors 4-3. Display Resolution : 1024 x 768 / 60Hz (Non-Interlace) 4-4. Video Bandwidth : 65 MHz 5. ENVIRONMENT 5-1. Operating Temperature: 0°C ~ 40°C (Ambient) 5-2. Relative Humidity : 10%~ 80% (Non-condensing) 5-3. Altitude : 3,000 m 6. DIMENSIONS (with TILT/SWIVEL) Width : 356.0 mm (14.01") Depth : 395.0 mm (15.55") Height : 371.0 mm (14.60") 7. WEIGHT (with TILT/SWIVEL) Net Weight : 11.5 kg (25.4lbs) Gross Weight : 13.7 kg (30.14 lbs) 2-3. Signal Connector 15-pin D-Sub Connector (Attached Type) 2-4. Scanning Frequency Horizontal Vertical : 30 ~ 54 kHz : 50 ~ 120 Hz 3. POWER SUPPLY 3-1. Power Range AC 100~240V (Free Voltage), 50/60Hz, 1.5A Max. -2- SAFETY PRECAUTIONS SAFETY-RELATED COMPONENT WARNING! There are special components used in this color monitor which are important for safety. These parts are marked on the schematic diagram and the replacement parts list. It is essential that these critical parts should be replaced with the manuf