File name LG Color Monitor StudioWorks 500E,G, Chassis CA-133 Parts & Service.pdfWebsite:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html
COLOR MONITOR SERVICE MANUAL
CHASSIS NO. : CA-133 FACTORY MODEL: 500EJ
MODEL: StudioWorks 500E (500EJ-AL**M) StudioWorks 500G (500EJ-AL**A)
( ) **Same model for Service
CAUTION
BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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SELECT
*Same looking with new chassis.
Issue Date; 2003. 5.
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... 28 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, NON MPR II 3-2. Power Consumption
MODE MAX NORMAL (ON) STAND-BY SUSPEND OFF POWER CONSUMPTION LED COLOR GREEN GREEN AMBER
75 W 63 W less than 15 W less than 15 W less than 5W
Low Radiation
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 : · 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: 10°C ~ 40°C (Ambient) 5-2. Relative Humidity : 10%~ 90% (Non-condensing) 5-3. Altitude : 3,000 m 6. DIMENSIONS (with TILT/SWIVEL) Width : 356.0 mm (14.01") Depth : 395.0 mm (14.37") Height : 371.0 mm (14.61") 7. WEIGHT (with TILT/SWIVEL) Net Weight : 11.5 kg (25.36 lbs) Gross Weight : 13.7 kg (30.21 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, 1.0A Max.
-2-
SAFETY PRECAUTIONS
SAFETY-RELATED COMPONENT WARNING! There are special compo |