Panasonic CS-E18SD3UAW service manual - Page 26

9. Electronic Circuit Diagram 9.1 Indoor Unit TO OUTDOOR UNIT FUSE T3.15A L250V 1 HAJEM-A (WHITE) 4 5V 1 KB C32 0.01u R20 10k KB C38 0.01u R56 10k 5 CN-CNT 5V (WHITE) R90 R82 10k 10k 12V 5V L6 L5 KB C52 1000p 50V KB C66 C56 1000p 50V MOTOR Y B W M BL R DRAIN PUMP Y Y/G M 1 Y GROUNDING TERMINAL 1 BL G 2W 3R TERMINAL BOARD 7 6 CN-FM 5 (WHITE) 4 1 RECTIFICATION CIRCUIT 3 CN-DRMTR1 (BLUE) 1 NOISE FILTER CIRCUIT SW2 SW1 DRAIN TEST 5V CN-FSW R65 (GREEN) 10k 1 KB C35 1000p 3 50V 5V 6 1 CN-AC (WHITE) 3 R62 15.0k 1% KB C30 R63 1u 20.0k 10V 1% KB C31 R89 1u 20.0k 10V 1% KB CN-TH 1 C51 (WHITE) 1u 10V 5 COMMUNICATION CIRCUIT 7 ELECTRONIC CONTROLLER R74 DB3 S1WB(A)60 22k 1/4W IC5 12V NJM7812FA i 12V o g DB2 S1WB(A)60 C8 NONE 5V CN-HT 12V (WHITE) 2 1 CN-T1 (BLUE) 4 1 65 R75 5.1k KB C46 0.1u 25V CN-DISP CN-T2 (WHITE) 2 1 (WHITE) 1 2 3 4 5 6 7 8 R32 10k C34 0.1u 16V KB C17 0.01u KB C22 3300p KB BL BL BL BL t˚ BL BL t˚ BL BL t˚ BL BL O O R R BR R O Y P B V GR 1 2 345 678 BL BL 1 2 345 678 G FLOAT SWITCH INDOOR PIPE TEMPERATURE SENSOR 2 INDOOR PIPE TEMPERATURE SENSOR 1 INDOOR AIR TEMPERATURE SENSOR Resistance (kΩ) SW201 Sensor (Thermistor) Characteristics 70 1 Pipe Temp. Sensor 60 2 Intake Air Temp. Sensor 50 1 40 2 30 20 10 0 14 32 50 68 86 104 122 Temperature (oF) TRANSFORMER REMOTE CONTROLLER BL Y BR R O V W GR 1 23 4 1 23 4 5V CN-DISP1 CN-DISP2 (YELLOW) (WHITE) 5V 5V R202 47 R201 IC201 10k GP1UM262RK VOUT 1 C202 0.1uF + C201 47uF 6.3V VCC 2 5 GND 3 4 DISPLAY & RECEIVER LED202 5V R2 0 POWER GREEN LED203 R3 0 TIMER ORANGE LED204 R4 0 POWERFUL ORANGE LED205 R5 0 QUIET ORANGE 26