Cpu Unit Circuit - Sharp R-408DW Service Manual

C-3
GND
LD1 LD2 LD3 LD4
C-5
VR
C-9
INT
C-4
BUZZER
NC C-2
Q21
OVEN LAMP
DTD143EKA
TURNTABLE
C-6
MOTOR
FAN MOTOR
C-7
(BROWNER)
D20
MA152WA
MICRO C-8
C-1
DOOR
D40
MA152WA
NOTE
: IF NOT SPECIFIED 1/10W ± 5%
LSI UNIT
+
R3 4.7k
–
Q1
2SA1037AK
R4 560 1/2w
Q10
DTA143EKA
Q30
DTA143EKA
C20 0.1µ/50v
+
Q20
DTA143EKA
–
Q22
DTA123JKA
R41 15k
R68 15k
R69 15k
R70 15k
R71 15k
R72 15k
R73 15k
Figure S-3. CPU Unit Circuit For R-410DK/DW
Q2
2SA1037AK
(J10)
(J11) 4.7k
(J12) (J13) 4.7k
(J14) (J15) 4.7k
80
(J16) (J17) 4.7k
1
VL2
VL1
AN7
AN6
AN5
AN4
P63
AN2
AN1
AN0
P57
P56
P55
CNTR0
P53
P52
P51
P50
P47
P46
P45
P44
P43
INT0
24
25
R90 15k
CF1 CST4.00MGW
C60-65 330pF/50v
G 8
G 9 5
0
G10
FROZEN
G11
ENTREES
G12
BEVERAGE
G13
G14
KEY UNIT
LIQUID CRYSTAL DISPLAY
LBS.
CUPS
COOK DEFROST AUTO
25
65
64
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
IC1
SEG19
IXA019DR SEG20
SEG21
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
41
40
G 7 G 6 G 5 G 4 G 3 G 2
MINUTE
4 3 2 1
PLUS
FRESH MICROWAVE
9 8 7 6
VEGETABLES PIZZA
POWER TIMER COMPU
CASSEROLE POPCORN START
DEFROST
LEVEL CLOCK
STOP BAKED
FROZEN
CLEAR POTATOES VEGETABLES
NO.
OZ.
1
G 1
ROLLS &
MUFFINS
DINNER
PLATE
GROUND
MEAT