Service manual

47
R-1855A
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. Touch Control Panel Circuit
+
–
+
–
+
–
+
–
+
–
A5
A1
A3
B1
B3
B5
B7
C1
C3
C9
C7
C5
F3
G12
G11
G10
G 9
G 8
G 1 G 2 G 3 G 4 G 5 G 6 G 7
F2F1E6E5
Q20 KRA101M
Q90 KRA101M
VRS1
C1 0.1µ/50v
D20D21D22D23D24D25D26D27D28
D32
D31
D29
C2 1000µ/35v
C3 0.1µ/50v
C9
0.1µ/50v
C10 0.1µ/50v
C74 330pF
C73 330pF
C72 330pF
C71 330pF
C70 330pF
C50 C60
C30
D30
DOOR
SWITCH
DAMPER
SWITCH
AC120V
60Hz
MOTOR RUN
CAPACITOR
TURNTABLE
MOTOR
DAMPER
MOTOR
CONVECTION
MOTOR
HOOD LAMP
COM
LOW
HIGH
COM
HOOD THERMO
HOOD MOTOR
OVEN LAMP
MICRO
CONVECTION
HERTER
FAN MOTOR
OVEN
THERMISTOR
AH SENSOR
(VP)
(VP)
F
MIX CONV
DEFROST
SENSOR
ON OFF COOK LBS OZ KG HELP
TURNTABLE
1, 2
31, 32
4
F
P1
IC2 IZA495DR
FLUORESCENT DISPLAY TUBE
KEY UNIT
CUSTOM
HELP
KITCHEN
TIMER
TURNTABLE
ON / OFF
CLOCK
SLOW
COOK
POWER
LEVEL
KEEP
WARM
STOP
CLEAR
START
TOUCH ON
1
100˚F
2
150˚F
3
275˚F
4
300˚F
5
325˚F
6
350˚F
7
375˚F
8
400˚F
9
425˚F
0
450˚F
BROIL
SENSOR
REHEAT
MINUTE
PLUS
CONVEC
SENSOR
COOK
COMPU
BROIL
COMPU
ROAST
FAN LIGHT
COMPU
BAKE
POPCORN
PREHEAT
LOW MIX
BAKE
HIGH MIX
ROAST
COMPU
DEFROST
CONTROL UNIT
1
VREF
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AN0
P55
P30
P31
P32
P33
P34
P35
P36
P37
P00
P01
P02
P03
P04
P05
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
P54
P53
P52
P51
P50
P47
P46
P45
P44
P43
P42
P40
P71
P70
XIN
XOUT
VSS
RST
INT1
VCC
VEE
AVSS
12
(A)
(A) (B) (C)
(B)(C)
C4 10µ/35v C6 10µ/35v
C20 10µ/35v
R30 15k
R50 15k
R63 220F
R64 3.6kF
R31 4.7k R62 36kF
R51 4.7k
C5 0.1µ/50v
IC1 IZA719DR
C21 0.1µ/50v
ZD3 HZ5C2
R1 4.3k
1/2w
R2 1.5k
R7 4.7k
R40 3.3k
R70 3.3k
R91 100k
P2 5
6 7 8 9
10 11 12 13 15 16 17 18 19 20 23 22 24 25 26 27 28 29
P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 1G 2G 3G 4G 5G 6G 7G 8G
R100 330 1w
R92 100k R93 100k
R71 3.3k R72 3.3k R73 3.3k R74 3.3k
R78 3.3k R82 3.3k
R79 R80 R81
3.3k 3.3k 3.3k
R77 3.3k R76 3.3k
D70 D71
D72
D73 D74 D75 D76
R8 4.7k
R75 100k
SP40
C7
C8
R3 680 1w
R90 100k
NOTE
: IF NOT SPECIFIEED, 1/4w ± 5%
: IF NOT SPECIFIEED, 1SS270A
: IF NOT SPECIFIEED, 0.01µF/16v
R4 510 1/2w
Q1 2SB1238
ZD1
HZ6A3
ZD2
HZ16-1
ZD4
HZ4A2
a
1
2
T1
5
6
3
D1
D2
D1-D4 : 11ES1
D3
D4
4
C100
RY4
RY5
RY6
RY7
RY8
RY9
RY10
RY1
RY2
RY3
b
c
d
(J1)
(J2) (J4) (J6) (J3) (J5) (J7)
10G471K
Q21 KRA101M
Q22 KRA101M
Q23 KRA101M
Q24 KRA101M
Q26 KRA101M
Q28 KRA101M
Q27
KRC243M
Q30
KRA101M
Q60
KRC101M
Q3
KRA101M
Q4
DTA123ES
Q40
KRA101M
CF1 4MHz
Q29 KRA101M
Q25 KRA101M
E4E3E2E1
NO
NO
NO
COM
COM
COM