LG T710BH Service Manual - Page 2

CONTENTS SPECIFICATIONS 2 SAFETY PRECAUTIONS 3 TIMING CHART 4 OPERATING INSTRUCTIONS 5 WIRING DIAGRAM 6 DISASSEMBLY 7 BLOCK DIAGRAM 8 DESCRIPTION OF BLOCK DIAGRAM 9 ADJUSTMENT 11 TROUBLESHOOTING GUIDE 13 EXPLODED VIEW 23 REPLACEMENT PARTS LIST 25 PIN CONFIGURATION 30 SCHEMATIC DIAGRAM 34 PRINTED CIRCUIT BOARD 36 SPECIFICATIONS 1. PICTURE TUBE Size DefIection Angle Neck Diameter Stripe Pitch Face Treatment Internal : 17 inch : 90° : 29.1 mm : 0.25 mm : W-ARASC (Anti-Reflection and Anti-Static Coating) : Anti-Glare 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 Ω : R, G, B Analog : Refer to the Timing Chart 2-3. Signal Connector 3 row 15-pin Connector (Attached) 2-4. Scanning Frequency Horizontal Vertical : 30 ~ 71 kHz : 50 ~ 160 Hz 3. POWER SUPPLY 3-1. Power Range AC 110~220V (Free Voltage), 60Hz, 2.0A Max. 3-2. Power Consumption MODE NORMAL (ON) STAND-BY SUSPEND OFF POWER CONSUMPTION 73 W less than 15 W less than 15 W less than 5 W LED COLOR GREEN AMBER AMBER 4. DISPLAY AREA 4-1. Active Video Area : • Max Image Size - 325.1 x 243.8 mm (12.80" x 9.60") • Preset Image Size - 310 x 230 mm (12.20" x 9.06") 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 ~ 40°C (Ambient) 5-2. Relative Humidity : 10%~ 90% (Non-condensing) 5-3. Altitude : 5,000 m 6. DIMENSIONS (with TILT/SWIVEL) Width : 400 mm (15.75 inch) Depth : 411 mm (16.18 inch) Height : 401 mm (15.79 inch) 7. WEIGHT (with TILT/SWIVEL) Net Weight : 15.4 kg (33.96 lbs.) Gross Weight : 18.0 kg (39.67 lbs.) -2-