Sharp R-775W - Cpu Unit Circuit Diagram

R-775(W)R-785(AL) - 39
Figure S-5. CPU Unit Circuit
D-5
D-6
D-10
D-1 D-2 D-4
J-6
J-3
J-3J-4J-7J-8
J-4 J-7 J-8
J-5 J-2 J-1
J-6 J-5 J-2 J-1
D-15
C9
C8
+
–
+
–
C10 47µ/16v
C15 1µ/50v
C21 0.1µ/50v
C60 330p/50v C61 330p/50v C62 330p/50v C63 330p/50v
VR1
RSW1
D22 D23 D30
R31 15k
R16 330
R72 100k
R97 4.7k
R96 4.7k
R73 100k R74 100k
CF1 4.0MHz
(B)
(A)
(D)
(C)
(E)(G)
R75 100k
C13
0.1µ
/50v
C30
C12
0.1µ
/50v
IC2
C100
C14
Q11 KRA101S
LD1 LD2 LD3 LD4 LD5
LD10 LD9 LD8 LD7 LD6
Q10 2SA1037AK
GND
51pin 1pin
Q40 KRA101S
Q28 KRA101S
Q25 KRA101S
IC1
LIQUID CRYSTAL DISPLAY
OVEN LAMP TURNTABLE MOTOR FAN MOTOR POWER BUZZER VR VC GND INT TOP GRILL HEATING ELEMENT BOTTOM HEATING ELEMENT
NOTE
: IF NOT SPECIFIED, 1/16W ± 5% : IF NOT SPECIFIED, 1SS355 : IF NOT SPECIFIED, 0.01µF / 50V
HIGH VOLTAGE TRANSFORMER STOP SWITCH NC NC NC
Q23 KRA101S
Q22 KRA105S Q21 KRA105S Q20 KRA105S
JOG SWITCH UNIT
(D:P23) (E:P25) (A:P20) (B:P21) (G:P27) (C:P22)
R6 330
R7
330
Q2 2SA1037AK
R4 22
R68 15k
R60 15k
R52 15k
R56 
1M
R61 15k
R62 15k
R63 15k
R69 15k
R70 15k
R71 15k
D6 D5
R5 4.7k
R30
4.7k
R15
4.7k
ZD10
UDZ4.3B
(J20) 4.7k
(J18) 3.6k
(J21) 4.7k (J19)
(J13) 4.7k (J10)
(J14) 4.7k
(J15) 4.7k
(J11)
(J12)
R10 1k
R95 47k
R12 15k R13 15k R14 15k
R11 4.7k
D-13 D-12 D-14 D-11
D-8 D-7 D-9
SEG10C1 1
5 10 15 20 25 30 51
55 60 65 70 75 80
31
35
40
45
50 81
85
90
95
VL1
AN7 AN6 AN5 AN4 AN3 AN2 AN1 AN0
P57 P56 P55 P54 P53 P52 P51 P50 P47 P46 P45 P44
TOUT
INT2
P41 P40 P77 P76 P75 P74
A0 A1 A2
GND
VCC
TS
SCL
SDA
SEG11 SEG12 SEG13 SEG14 SEG15
SEG39 SEG38 SEG37 SEG36 SEG35 SEG34 SEG33 SEG32 SEG31
NC NC NC NC NC NC NC
COM3 COM2 COM1
NC NC
SEG30 SEG29 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 SEG22 SEG21 SEG20
SEG19
SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10
SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20
19
18 17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2 1
SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 SEG33 SEG34 SEG35 SEG36 SEG37 SEG38 SEG39
P73 C2
VL2
VL3
COM0
COM1
COM2
COM3
AVSS
VREF
VCC
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
P72
P71
INT0
RESET
XCIN
XCOUT
XIN
XOUT
VSS
P27
P26
P25
P24
P23
P22
P21
P20
P17
P16
nfo
LBS
KG
OZ
PCS
%
˚C
COOK SENSOR DEFROST AUTO
C11 0.1µ/50v
R18 330
R17 330
R53 100k R54 100k
CN-J
J-9
ABC123
J-10
J-11J-12J-13
R50 4.7k
C50
C52 C51
R51 4.7k
SW11 SW12 SW13
SW8 SW9
SW10
SW5 SW4 SW6 SW7
SW1 SW2 SW3
EXPRESS
STOP
WATT
AUTO
GB D NL
FIE
FUN
P
I
Z
Z
A
D-3
CPU UNIT CIRCUIT DIAGRAM