Sharp R-230HW Service Manual - Page 31

A B C D E F G H 1 1 2 2 VRS1 10G471K (J1) D1-D4 1N4002 D1 D3 POWER UNIT (J12) 20k 1/4w (J14) (J11) (J10) C2 470µ/25v D4 T1 D2 + + - - d (J13) 9.1k 1/4w (J15) ab R4 910 1/2w AC(N) A3 c CN-A AC120V 60Hz OVEN LAMP RY1 TURNTABLE A1 MOTOR FAN MOTOR MICRO COM AC(H) NO B1 DOOR SENSING SWITCH B2 CN-B RY2 D21 D20 Q21 DTD143ES + - C21 10µ/35v D22 SP1 Q22 DTA123JS D40 C8 220µ/10v ZD1 HZ4B3 GND RST -5V INT VR P42 P41 P40 BZ COM M DOOR R30 3.3k R20 15k R50 20kF C1 0.1µ/25v LIQUID CRYSTAL DISPLAY C4 0.01µ /25v R5 1k C3 0.01µ/25v R6 15k Q1 2SA1037AK ON DEF. LBS QTY. CHECK SEG12 SEG11 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 COM3 COM2 COM1 C10 0.1µ /25v C11 0.01µ/25v R10 15k Q10 DTA143EAK Q30 DTA143EAK Q20 DTA143EAK C20 0.1µ/25v R41 15k 15 BZ R00 R01 R02 R03 P20 P21 P22 P23 K00 K01 K02 K03 COM0 COM1 29 54 VC3 VC2 VC1 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 45 C5 0.1µ/25v C6 0.1µ/25v C7 0.1µ /25v 1 RESET TEST VSS OSC3 OSC4 VD1 VDD AVDD AVREF AVSS IC-1 P40 P41 P42 P43 14 44 SEG12 SEG11 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 SEG0 COM3 COM2 30 3 3 29 R40 4.7k C40 0.01µ/25v 4 4 5 5 NOTE : IF NOT SPECIFIED, 1/10W ± 5% : IF NOT SPECIFIED, 1SS270A CPU UNIT R75 220k R76 220k R77 220k R78 220k Figure S-2. Control Panel Circuit G 1 G 2 G 3 G 7 6 2 G 8 3 5 G 9 TIMER CLOCK 0 G10 9 8 KEY UNIT G 4 G 5 G 6 COOK MINUTE PULS 4 POPCORN POWER LEVEL 1 DEFROST STOP CLEAR 7 REHEAT START 6 6 R-203HW R-220HW R-230HW A B C D E F G H