Contents
4-2-3. If ICE Room Fan does not operate ·····························81
4-2-4. If FAN does not operate (Flex Room - FAN) ·························82
4-2-5. If Ice Maker does not operate ·······························83
4-2-6. If defrost does not operate (F,R DEF Heater) ························84
4-2-7. If Power is not supplied ··································85
4-2-8. If compressor does not operate ······························86
4-2-9. When alarm sounds continuously without stop(related with buzzer sound) ············88
4-2-10. If Mid Drawer Panel PCB does not work normally ······················90
4-2-11. When refrigerator ROOM Lamp does not light up ······················91
4-2-12. If ICE Water is not supplied································92
4-2-13. If Cubed or Crushed Ice is not supplied ··························93
4-2-14. If Cover Ice Route Motor(Geard Motor) is not working normally ················94
4-2-15. If Inverter PCB Power is not supplied ···························95
4-2-16. LED blinking frequency depending on protecting functions ··················96
Spm internal diode voltage ·····································97
Inverter controller board connector location ······························98
Inverter pcb circuit diagram ·····································99
4-3-1. inrush current protecting circuit ······························100
4-3-2. power source(hybrid ic) ·································100
4-3-3. location sensing resistance area ·····························101
4-3-4. sensing current area···································101
4-3-5. comp operating signal area ································102
4-3-6. bootstrap charging area ·································102
5. Exploded View & PARTS LIST ···································103
5-1) Freezer ···········································104
5-2) Refrigerator ·········································106
5-3) Cabinet ···········································109
5-4) Disassembly of Door Refrigerator L ·······························112
5-5) Disassembly of Door Refrigerator R ·······························113
5-6) Disassembly of Door freezert ··································116
5-7) Disassembly of Flex Zone Door ·································118
6. PCB DIAGRAM ··········································120
6-1) PCB Layout with part position ·································121
6-2) PCB Layout with part position (Inverter Board) ··························122
6-3) Connector Layout with part position (Main Board) ·························123
6-3-1. RF4287HA** ······································123
6-4) Connector Layout with part position (Inverter Board) ························124
6-4-1. RF4287HA** ······································124
7. WIRING DIAGRAM ········································125
7-1) Model : RFG295AA**[BETTER] ·································125
7-2) Model : RF4287AA**[BEST] ··································126
7-3) Model : RFG299AA**[7" LCD] ·································127
7-4) Model : RFG294AA**[SEARS] ·································128
8. SCHEMATIC DIAGRAM ······································129
8-1) Whole block diagram ·····································129
8-1-1. MAIN BLOCK(RF4287**)·································129
8-1-2. INVERTER BLOCK(RF4287***)······························130
8-2) CIRCUIT DIAGRAM······································131
8-2-1. MAIN ·········································131
8-2-2. INVERTER ·······································132
AW3 SM-EN 2011.3.31 2:50 PM 페이지5 i n
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