Service manual

31
R-508CK
R-510CK
R-510CW
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
Figure S-4. CPU Unit Circuit For R-510CK/CW
+
–
+
–
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 47µ/16v
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
Frozen
entrees
Fresh
vegetables
Microwave
pizza
Rolls/
muffins
Dinner
plate
Ground
meat
COMPU
DEFROST
Frozen
vegetables
Baked
potatoes
MINUTE
PLUS
Casserole
POPCORN
Power
Level
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
R11 1k
R5 1k
R6 15k
R9 4.7k
R8 4.7k R7 4.7k
R10 15k
R3 4.7k
R41 15k
R90 15k
(J16)
(J17) 4.7k (J15) 4.7k (J13) 4.7k (J11) 4.7k
125
64 41
1 24
25 40
6580
(J14) (J12) (J10)
Q1 2SA1037AK
IC1 IZA945DR
Q30 DTA143EKA
Q20 DTA143EKA
Q22 DTA123JKA
D40 MA152WA
Q21 DTD143EKA
Q10 DTA143EKA
Q2 2SA1037AK
LD1 LD2 LD3 LD4
R4 560 1/2w
VR
INT BUZZER
OVEN LAMP TURNTABLE MOTOR FAN MOTOR
NC
(BROWNER) MICRO
NOTE
: IF NOT SPECIFIED 1/10W ± 5%
DOOR

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
D20 MA152WA