LG HBLG2350E Service Manual - Page 28

5.2. ELECTOINC CONTROL DEVICE Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes NOTE 1. The unit of undefined resistors is ohm, 1/6W, 5%. 2. The unit of undefined capacitors is uF. - 28 - ROOM-TH PIPE-TH CN-TH1 SMW250-02 11 22 32 44 R03H 0K 5V R21H 12.1K 1% 5V OSC01B R02H R01H RT8.00MG 6.2K 12.1K 1% 1% R01B 1M R22H 12.1K 1% 5V C01A 0.01 50V R01A 20K 1 3 3.6V + C02A 2 1uF 10V 5V IC01A S7136 EEPROM CAT93C46 1 A0 Vcc 8 2 A1 WP 7 3 A2 SCL 6 4 GND SDA 5 5V R02P R03P 20K 20K Q04G A101S Q03G A101S 5V Q02G A101S Q01G A101S Option2 Option1 Pipe TH Room TH VAref VSS Osc out Osc in /Reset TEST SYNC MOTOR S/V4WAY FAN MOTOR CAPACITOR FAN C HERM MAIN POWER COMP 12V CN-SYNC 33 11 CN-4WAY 33 11 RY-SYNC OR1H OR2H RY-COMP RY-SYNC RY-4WAY RY-LOW RY-MED RY-HI 10 7 11 6 12 5 13 4 14 3 15 2 16 1 12V 9 8 IC01M ULN2004A RY-4WAY LED out2 LED out1 LED out0 KEY1 KEY0 SLIDE SW VDD SEG-g SEG-f SEG-e SEG-d Tx 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 Rx SDA SCL Digit4 (Scan4) Digit3 (Scan3) Digit2 (Scan2) Digit1 (Scan1) Digit0 (Scan0) SEG-a SEG-b SEG-c R04P 1K CN-RD CN-BL CN-BK RY-LOW RY-MED RY-HI R12F 20K 5V CN-WOR C01J 0.1/275V R01J 120 1/2W ZNR01J SVC271D-14A RY-COMP G4A-1A-E-LG FUSE 250V/T2A R02E 20 R01E 1K POWER TRANS 1 7 D02D D03D 2 4 D02D~D05D 1N4004 D05D D04D + C01D 1000 35V IC01D O I 7812 C02D 0.1 50V C03D 1000 16V 12V IC02D O I 7805 + C04D 0.01 50V C05D + 220 10V 5V C06D 0.01 50V C02F R02F C01F R01F 0.001 10K 0.001 10K C01L 680pF IC01G ULN2004A R01L 1K 1 16 2 15 3 14 4 13 5 12 6 11 7 10 89 12V 2 3 4 5 16 15 14 13 5V 17 1 13 14 R01G 220 R02G 220 R03G 220 R04G 220 R05G 220 R06G 220 R07G 220 6 7 8 9 10 11 12 15 16 CN-DISP TEMP UP SW7 D07F ENERGY SAVER SW3 D03F 1 5V 17 5 4 12 11 A/SWING 10 A/RESTART 9 8 7 AIR PURIFIER 6 3 2 CN-DISP TEMP DOWN SW5 D05F TIMER SW2 D02F COOL DEFROST DRY/HEAT TIMER FAN E/SAVER BZ01E PKM13EPY -4002 MODE SW4 D04F FAN SW1 D01F ON/OFF SW6 D06F AUTO SWING SW8 D08F 10 6 Digit1 Digit0 a 5 a a b 4 3c fb fb 2d g g 1e 7f ec ec g 8 d d 88 SEGMENT Vcc Vout GND RECEIVER 5V + C22L 220 10V LGE Internal Use Only