LG HBLG2350E Service Manual - Page 2

CONTENTS 1. PREFACE 1.1 SAFETY PRECAUTIONS...3 1.2 INSULATION RESISTANCE TEST...3 1.3 SPECIFICATIONS...3 1.4 FEATURES ...4 1.5 CONTROL LOCATIONS ...4 2. DISASSEMBLY INSTRUCTIONS 2.1 MECHANICAL PARTS ...5 2.1.1 FRONT GRILLE ...5 2.1.2 CABINET...5 2.1.3 CONTROL BOX ...5 2.2 AIR HANDLING PARTS ...6 2.2.1 COVER (AT THE TOP) ...6 2.2.2 BLOWER...6 2.2.3 FAN ...6 2.2.4 SHROUD...7 2.3 ELECTRICAL PARTS ...7 2.3.1 MOTOR ...7 2.3.2 COMPRESSOR ...7 2.3.3 CAPACITOR ...7 2.3.4 POWER CORD ...8 2.3.5 THERMISTOR...8 2.3.6 SYNCHRONOUS MOTOR...8 2.4 REFRIGERATION CYCLE ...9 2.4.1 CONDENSER ...9 2.4.2 EVAPORATOR ...9 2.4.3 CAPILLARY TUBE ...9 3. INSTALLATION 3.1 HOW TO INSTALL THE UNIT...12 3.2 HOW TO USE THE REVERSIBLE INLET GRILLE ...12 3.3 WINDOW REQUIREMENTS...13 3.4 INSTALLATION KITS CONTENTS ...13 3.5 SUGGESTED TOOL REQUIREMENTS ...14 3.6 CABINET INSTALLATION ...15 4. TROUBLESHOOTING GUIDE 4.1 OUTSIDE DIMENSIONS...17 4.2 PIPING SYSTEM...17 4.3 TROUBLESHOOTING GUIDE ...18 5. SCHEMATIC DIAGRAM 5.1 CIRCUIT DIAGRAM ...27 5.2 ELECTRONIC CONTROL DEVICE ...28 5.3 COMPONENTS LOCATION(FOR MAIN P.C.B ASM) ...29 5.4 COMPONENTS LOCATION(FOR DISPLAY P.C.B ASM) ...29 6. EXPLODED VIEW ...30 Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes -2- LGE Internal Use Only