LG LWHD1000R Service Manual - Page 20

Schematic Diagram Schematic Diagram Electronic Control Device 20 Room Air Conditioner CN-TELE SMW200-03 (RD) 33 22 11 5V C01T 0.1 50V PIPE-TH CN-TH2 SMW250-02 11 22 C02T 0.001 D01T 1N4148 Q04T A104M Q01T C104M 5V Q03T C104M 5V Q02T A104M R01T 1K Rx C03T 0.001 25V Tx J7 11 2 12 1 ROOM-TH CN-TH1 SMAW200-02 11 22 10 3 5V R21H 12.1K 1% 5V R04H 6.2K 1% R02H 12.1K 1% R22H 12.1K 1% OSC01B RT8.00MG R01B 1M 5V C01A 0.01 50V R01A 20K 3 + C02A 1uF 10V 1 3.6V 2 5V IC01A S7136 Model Auto Restart Non Auto Restart EEPROM CAT93C46 1 A0 Vcc 8 2 A1 WP 7 3 A2 SCL 6 4 GND SDA 5 EEPROM R04P O X X O R04P 5V R02P R03P 20K 20K Option2 Option1 Pipe TH Room TH VAref VSS Osc out Osc in /Reset TEST HVB SW2 SW1 S/V4WAY FAN MOTOR CAPACITOR FAN C HERM MAIN POWER COMP CN-HVB SMW200-03(BL) 33 22 11 12V 11 2 2 CN-CONT J5 SMW200-03(YL) 33 33 2 2 CN-12V SMW200-03(WH) 11 RY-COMP 4 RY-4WAY 5 RY-LOW 6 7 RY-MED 8 RY-HI 9 CN-4WAY YW396-03AV(YL) 33 11 CN-MOTOR YW396-09AV 11 33 55 77 99 CN-PWR YW396-03AV 33 11 Model Cool Only Heat Pump RY-4WAY RY-4WAY X O J07 CN-4WAY O X X O CN-TH2 X O RY-HI RY-MED RY-LOW C01J 0.1/275V R01J 120 1/2W 3 5V 2 12V 1 CN-AC/DC 51580-12 52045-1245 STRAIGHT OR1H 9 10 7 11 6 8 12 5 7 13 4 6 14 3 5 15 2 4 16 1 12V 9 8 IC01M ULN2004A 5V + C02L 220 10V Vcc Vout GND RECEIVER OR2H R01L 1K 5V R01P 20K 22 21 20 19 18 17 16 15 14 13 12 COMP 23 11 SYNC 24 10 4WAY 25 9 LOW 26 8 HVB 27 MICOM 7 ION 28 TMP87CH47U 6 MED 29 5 HI 30 4 Receiver 31 3 Buzzer 32 2 LED out3 33 1 34 35 36 37 38 39 40 41 42 43 44 R05P Rx 10K SDA SCL Digit4 (Scan4) Digit3 (Scan3) Digit2 (Scan2) Digit1 (Scan1) Digit0 (Scan0) SEG-a SEG-b SEG-c C01L 680pF 50V LED out2 LED out1 LED out0 KEY1 KEY0 SLIDE SW VDD SEG-g SEG-f SEG-e SEG-d BZ01E PKM13EPY -4002 R02E 20 R01E 1K R12F 10K 5V 10 5V C05D + C06D 220 0.01 10V 50V 11 12V 12 CN-AC/DC 5V 51581-12(YEONHO) 52044-1245(MOLEX) ANGLE RY-COMP G4A-1A-E-LG ZNR01J SVC271D-14A SVC271D-14A FUSE 250VT3.15A POWER TRANS 1 7 D02D D05D 2 D03D 4 D04D + C01D D02D~D05D 1000 1N4004 35V 12V IC01D O I 7812 + C02D C03D 0.1 1000 50V 16V IC02D O I 7805 C04D 0.01 25V 5V C05D 0.01 25V R06P 10K C01F R01F 0.001 10K C02F R03F 0.001 10K IC01G ULN2004A 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 12V R01G 680 R02G 680 R03G 680 R04G 680 R05G 680 R06G 680 R07G 680 R04P 1K Q03G A101S Q02G A101S 5V Q01G A101S FAN SW01G D01G TEMP DOWN ON/OFF SW02G SW03G D02G D03G TIMER SW04G D04G MODE TEMP UP SW05G SW06G D05G D06G COOL DEFROST DRY/HEAT TIMER FAN E/SAVER 10 Digit1 3a a 9b 8c f b 6d g 7e f 4 g 1 ec d 5 Digit0 a fb g ec d 88 SEGMENT