Service manual

27
R-120DB
R-120DK
R-120DR
R-120DW
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-2. Control Panel Circuit
A 3
D1 D2 D3
D4
R4 680 1/2w
VL
R41 15k
IF NOT SPECIFIED, 1/4W ± 5%
NOTE :
D40
L1 4.7
56 1/2w
Q10 DTA143ES (KRA101M)
Q30 DTA143ES (KRA101M)
Q20 DTA143ES (KRA101M)
Q22 DTA123JSA (KRA105M)
Q21 DTD143ES (KRC243M)
RY1
RY2
CF1 CST4.00MGW
D1~D4 1N4005E
AC(N) AC(H)
DOOR SWITCH
MICRO
T1
VRS1
TNR10G471K
OVEN LAMP
TURN TABLE
FAN MOTOR
C1 0.1µ/50v
C10
0.1µ
/50v
C20 0.1µ /50v
C21
10µ
/35v
C2 470µ/25v
C8 47µ/16v
C3 0.01µ/25v
C11 0.01µ/25v
C40 0.01µ/25v
C60 330pF/50v
C61 330pF/50v
C62 330pF/50v
C4 0.01µ/25v
Q1 2SA933
ZD1
HZ4C3
R5 1k
R6 15k
AIN7
VAREF
AVDD
P10
P11
P12
P13
P14
P15
P16
P17
P50
P51
P52
P53
P54
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
C1
C2
C3
SEG3VSS
XIN
XOUT
TEST
VDD
P21 P22
RESET
P20
AIN0 AIN1 AIN2
INT0
AIN4 AIN5 AIN6
SEG4 SEG5 SEG6 SEG7 SEG8 SEG9
P57 P56 P55
SEG10 SEG11 SEG12 SEG13 SEG14 SEG15
P32
P33
P31
P30
C0
C1
V1
V2
V3
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
R10
15k
R40 4.7k
R70 100k
R71 100k
R72 100k
R20 15k
A 1
NO
COM
B 2 B 1
+
–
+
–
+
–
a
d
c
b
(J1)
SP1
PKM22EPT
CN-B
D20D21
D22
R30 3.3k
3 4 1 7
R7 15k
1 16
17 32
33 48
49 64
R8 15k
IC1 IXA038DR
R9 15k
LIQUID CRYSTAL DISPLAY
GND
ON DEF LBS QTY CHECK
GND
SW1~SW10
SW1 SW5 SW8
SW2
START
COMPU
COOK
EXPRESS
DEFROST
DOUBLE
QUANTITY
10
MINUTES
1
MINUTES
15
SECONDS
POPCORN
CLOCK
TIMER
SW3 SW1 SW2 SW7 SW5 SW6 SW4
SW8 SW9 SW10
SW6 SW9
SW3 SW7 SW4 SW10
(J14) (J12) (J10)
(J15) (J13) (J11)
STOP
CLEAR
IF NOT SPECIFIED, 1SS270A
VC