Sharp R21JCA - Commercial Microwave Oven, Supplemental Service Manual

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14
R-21JCA
6 4 5
1
2
3
6
4 5
1 2 3
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
Figure S-2. Control Unit Circuit
INT0
N.F VDD VSS XIN XOUT
CNVSS RESET
D3
D4
D5
D6
D7
P20
P21
P22
A
B
C
D4
ICP
1
C2
C3
Q1
R1
R2
Q2
R5 1K
POWER TRANSFORMER
D70
D71
D72
D73
DOOR SENSING SWITCH
0.1
µ
/50V
1000
µ
/35 V
0.1
µ
/50
V
C3
1
C7
R7
R8
R9
P03 P10 P11 P12 P13
D0 D1 D2
16 15 14 13 12 11 10
9
32 31 30 29 28 27 26 25
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
P02
P01
P00
AIN3
AIN2
AIN1
AIN0
INT1
D1
D2
D3
A5
A1
A3
C6
1
C4
0.1
µ
/50V
C6
Mode
lC
h
g.
AC
AC
(J1)
13
9
3
2
1
14
4
5
6
7
8
10
11
12
: IF NOT SPECIFIED 1/10W 5% : IF NOT SPECIFIED 0.01
µ
/50V
: IF NOT SPECIFIED 1SS
270A
CN-A3 Pin5mm Pitch
COM COM
120V/60Hz
N.O
OVEN LAMP ANTENNA MOTOR FAN MOTOR
N.O
RY2
Q22 KRC105S
RY1
D22
D20
D30
4.7K
47K
R31
R30
C30
D21
R21
4.7K
Q20 KRC101S
4.7K
R22
C21 10
µ
/35V
0.1
µ
/50V
C20 R20 4.7K
Q21 KRA101S
HZ11A3 x 3
ZD3
ZD2
ZD1
1W 510 x 2
R3 1W 1K
KTC3198A
HZ6C3 x 2
ZD5
ZD4
KTA1504
R6 4.7K
HZ4C1 ZD6
4.7K
R10
D11
D10 0.1
µ
/50V
27K
Q40 KRC101S
SP1
R41 1.5K
R42 3.3K
27K
27K
R40 4.7K
220
µ
/16V
C5
(J3)
(J5) 6.2K
(J7)
(J6) 4.7K
(J4) 4.7K
(J2) 4.7K
(JF)
4.7K
C60
4MHz
CF1
D82
D83
D84
D85
R70
R71
R72
R73
R74 100
150
240
330
430
LD1
_
LD20 LTL-1CHE-011A x 20
LD1
(20S)
LD2
(40S)
LD3 (1M)
LD4
( . )
LD5
(2M)
Q70 KRA101S
Q71 KRA101S
Q72 KRA101S
Q73 KRA101S
LD16
LD17
LD18
LD19
LD20
(15M)
D81
( . )
D80
( . )
D79
( . )
D78
( . )
LD11
D74 (6M)
LD12
D75 (7M)
LD13
D76 (8M)
LD14
D77 (9M)
LD15 (10M) LD10
(5M)
LD9
(4M)
LD8 ( . )
LD7
(3M)
LD6 ( . )
I-1
IXA167DR
R63 4.7K
R62 4.7K
SW1
R61 10K
R60 10K
R50 10K
1N4005E x 4
2.2
µ
/160VAC
C1
R12
1/2W 100K
2W 100
R11
10G471K
VRS1
VR
VC