Compaq7500 V72 - CQ771H free download

File name Compaq Color Monitor v72, Chassis Ca-119 Parts & Service.pdf

COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CA-119 FACTORY MODEL: CQ771H MODEL: V72 CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CONTENTS SPECIFICATIONS ... 2 SAFETY PRECAUTIONS ... 3 TIMING CHART ... 4 OPERATING INSTRUCTIONS ... 5 WIRING DIAGRAM ... 6 BLOCK DIAGRAM ... 7 DESCRIPTION OF BLOCK DIAGRAM... ..8 ADJUSTMENT ... 10 TROUBLESHOOTING GUIDE ... 12 EXPLODED VIEW... 22 REPLACEMENT PARTS LIST ... 24 PIN CONFIGURATION... 29 SCHEMATIC DIAGRAM ... 34 PRINTED CIRCUIT BOARD... 36 SPECIFICATIONS 1. PICTURE TUBE Size DefIection Angle Neck Diameter Dot Pitch Face Treatment Low Radiation 3-2. Power Consumption : 17 inch : 90° : 29.1 mm : 0.27 mm : W-ARASC (Anti-Reflection and Anti-Static Coating) : TCO 03 MODE MAX DPM OFF POWER S/W OFF POWER CONSUMPTION LED COLOR GREEN AMBER 100 W less than 4 W less than 4 W less than 1 W AMBER 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 : · Max Image Size - 326.7 x 245.5 mm (12.86" x 9.67") · Preset Image Size - 312 x 234 mm (12.28" x 9.21") 4-2. Display Color : Full Colors 4-3. Display Resolution : 1280 x 1024 / 60Hz(Max) (Non-Interlace) 4-4. Video Bandwidth : 110 MHz 5. ENVIRONMENT 5-1. Operating Temperature: 0°C ~ 35°C (Ambient) 5-2. Relative Humidity : 10%~ 90% (Non-condensing) 5-3. Altitude : 3,048 m 6. DIMENSIONS (with TILT/SWIVEL) Width : 404.0 mm (15.90 inch) Depth : 438.5 mm (17.26 inch) Height : 426.0 mm (16.77 inch) 7. WEIGHT (with TILT/SWIVEL) Net Weight : 14.6 kg (32.19 lbs.) Gross Weight : 17.8 kg (39.24 lbs.) 2-3. Signal Connector 3 row 15-pin Connector (Attached) 2-4. Scanning Frequency Horizontal Vertical : 30 ~ 70 kHz : 50 ~ 140 Hz 3. POWER SUPPLY 3-1. Power Range AC 100~220V, 60Hz, 2.0A 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 manufacturer's specified parts to prevent X-radiation, shock, fire, or other hazards. Do n