Download Sharp 21HT-16C Service manual

A7
MICRO
COM
NO
OVEN LAMP
NO
ANTENNA
MOTOR
FAN
COM
MOTOR
AC120V
60Hz
A5
(J1)
b
RY3
RY2
c
a
JA
–
Q22
DTD143ES
3
33
–
+
Q20
DTB143ES
D4
D3
–
+
C2 0.1µ/50v
C21
10µ/25v
4
5
B1
D23 11ES1
R70 4.7k
C70
VC
C5
–
R3 4.7k
0.1µ/50v
47µ/10v
C6
+
R5 4.7k
C7
60
55
50
45
40
35
33
5
10
15
20
25
30
32
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
IC3
R83 4.7k
R82 4.7k
R81 4.7k
R80 4.7k
IC1
IZA897DR
64
1
CF1 CST4.00MGW
VCC
VEE
AVSS
VREF
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AN0
P55
P54
P53
P52
P51
P50
P47
P46
P45
P44
P43
P42
INT1
P40
RESET
P71
P70
XIN
XOUT
VSS
G12
G11
G10
G9
DEF.
G1
LED1
G2
NO.
R50 100
G3
X2
20
19
18
17
0
9
8
7
G4
CHECK
R86 4.7k
1
IF NOT SPECIFIED, 1/4w ± 5%
16
6
5
14
4
3
12
2
1
SIGNAL
CHECK
11
15
13
SET
G8
STOP/
CLEAR
G7
START
G6
IF NOT SPECIFIED, 1SS270A
SELECTA EXPRESS
TIME
DEFROST
G5
IF NOT SPECIFIED, 0.01µ / 16v
SELECTA DOUBLE
POWER QUANTITY
5
Figure S-2a. Control Panel Circuit (R-21HT)
B2
R32 2.7k
R33
4.7k
(A)
(J6)
(A)
ON
4
DOOR
SWITCH
VC
VC
SP1
R40 2.7k
(J4)
(J5)
ZD2
HZ4A2
(J3)
Q2
DTA123ES
3
IC2
A0 1 8 VCC
TEST
A1
A2
SCL
VSS 4 5 SDA
Q21
DTC143ES
VC
Q3
DTC143ES
–
+
9
+
8
R51 100
D2
C4 0.1µ/50v
C8 0.1µ/50v
LIGHT EMITTING DIODE
7
R52 100
D1
VC
5
Q1 KIA7805PI
6
R53 100
R54 100
VRS1
d
D20
10G471K
D21
C1 2200µ/25v
C9
0.1µ/50v
C30 47µ/10v
4
R55 100
A3
C31
3
11ES1 x 4
C20
0.1µ/50v
13
12
11
10
01
02
03
04
05
06
07
11 1 16
12
13
14
15
16
17
GND 8 9
C3 47µ/10v
R4 4.7k
2
R30 100
F
R31 15k
2
R71 4.7k
2
1
R88 4.7k
E
R87 4.7k
H
R56 100
R57 100
G
R58 100
C
NOTE :
B
R85 4.7k
1
D70
A
R84 4.7k
D
T1
R-21HT
R-21HV
6
A
B
C
6
D
E
F
G
H