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Sharp R-305EW Service Manual Page 32

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30
R-305EW
Figure S-3. CPU Unit Circuit
6
45
1
2
3
6
45
1
2
3
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
+
–
+
–
C-3
G 9
G 8
5 4 3 2 1
0 9 8 7 6
G 7 G 6 G 5 G 4 G 3 G 2 G 1
G10
G11
G12
G13
G14
C-5
C-9
C-4
C-2
C-6
C-7
C-8
C-1
GND
C1 0.1µ/50v
C2 220µ/10v
ZD1
UDZ4.3B
C10
0.1µ
/50v
C40
0.01µ
/25v
10µ
/35v
C21
C3 0.01µ/25v
C20 0.1µ/50v
C60-65 330pF/50v
FRESH
VEGETABLES
ROLLS /
MUFFINS
COMPU
DEFROST
DINNER
PLATE
GROUND
MEAT
BAKED
POTATOES
MINUTE
PLUS
CASSEROLE
POPCORN
POWER
LEVEL
FROZEN
ENTREES
START
STOP
CLEAR
BEVERAGE
R68 15k
R69 15k
R70 15k
R71 15k
R72 15k
R73 15k
CF1 CST4.00MGW
C4
0.01µ/25v
C11 0.01µ/25v
R30 3.3k
R40
R79 270k
R78 270k
R77 270k
R76 270k
R75 270k
R74 270k
R67
15k
R66
15k
R65
15k
R64
15k
R63
15k
R62
15k
R61
15k
R60
15k
C65
C64
C63
C62
C61
C60
R80
1M
4.7k
R2 4.7k
R1 82
R5 1k
R6 15k
R9 4.7k
R8 4.7k
R7 4.7k
R10 15k
R12 4.7k
R41 15k
R90 15k
(J17) 4.7k(J16) 47k
(J15) 4.7k
(J13) 4.7k
(J11) 4.7k
125
64
41
1
24
25 40
6580
(J14)
(J12)
(J10)
Q1
2SA1037AK
IC1
IXA096DR
Q30
DTA143EKA
Q20
DTA143EKA
Q22
DTA123JKA
D40
MA152WA
D20
MA152WA
Q21
DTD143EKA
Q10
DTA143EKA
Q2
2SA1037AK
GND
LD1 LD2 LD3 LD4
R4 560 1/2w
VR
INT
BUZZER
OVEN LAMP
TURNTABLE
MOTOR
FAN MOTOR
NC
MICRO
NOTE
: IF NOT SPECIFIED 1/10W ± 5%
DOOR
SENSING
SWITCH
SEG8
VL2
VL1
AN7
AN6
AN5
AN4
AN2
AN1
AN0
P57
P56
P55
CNTR0
P53
P52
P51
P50
P47
P46
P45
P44
P43
INT0
P63
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
VL3
COM0
P41
P40
RESET
P71
P70
XIN
XOUT
VSS
P27
P26
P25
P24
P23
P22
P21
P20
COM1
COM2
SEG 1
SEG 2
SEG 3
SEG 4
SEG 5
SEG 6
SEG 7
SEG 8
SEG 9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
COM3
COM2
COM1
COM3
AVSS
VREF
VCC
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG21
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
TIMER
CLOCK
COOK
OZ.
CUPS
LBS.
NO.
DEFROST
LIQUID CRYSTAL DISPLAY
CPU UNIT
KEY UNIT
AUTO
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