Sharp R-763 Service Manual

32
R-763 -
Figure S-2. Control Panel Circuit
51
6420R81
21INT1 22R83 23R90 24R91 25R92 26VDD 27R40 28R41 29R42 30R43 31R50 32R51
SEG20
63 SEG19 62 SEG18 61 SEG17
10G471K
C1 0.1µ/50v
C21
0.1µ/50v
ZD1 HZ5C2
ZD2
C4
C5
HZ4A2
C3 0.1µ/50v
C2 470µ/50v
10µ/50v
C20
C6 10µ/50v C7 0.1µ/50v
R40 3.3k
IC1 IXA022DR
R3 4.7k
R5 240
R4 4.7k
R21 4.7k
R32 10k
R31 4.7k
C30
R51 4.7k R50 4.7k
R61 4.7k
SP1
D20
D21
R20 1k
ZD20 HZ20-1
D22
VRS1
60 SEG16 59 SEG15 58 VDD 57 SEG14
S12 S11 S10
S 9 S 8 S 7 S 6 S 5 S 4 S 3 S 2 S 1
C 1 C 2 C 3
56 SEG13 55 SEG12 54 SEG11 53 SEG10 52 SEG 9
1SEG21
2SEG22
3SEG23
4COM1
5COM2
6COM3
7COM4
8VLC
9VSS
10XIN
11XOUT
12K00
13K01
14K02
15K03
16TEST
17RESET
18HOLD
19INT2
SEG 8
50 SEG 7
49 SEG 6
48 SEG 5
47 SEG 4
46 SEG 3
45 SEG 2
44 SEG 1
43 SEG 0
42 R73
41 R72
40 R71
39 R70
38 R63
37 R62
36 R61
35 R60
34 R53
33 R52
+
–
+
–
+
–
+
–
A 3
A 1
B 2 B 1
A 5
NO
NO
COM
COM
b
a
c
RY1
RY2
RY3
: IF NOT SPECIFIED 1/4w ± 5%
: IF NOT SPECIFIED 1SS270A
: IF NOT SPECIFIED 0.01µF / 16v
D23
NOTE
R30 15k
R10 4.7k
(J5)
(J3)
WH-2
LIQUID CRYSTAL DISPLAY
LD1 LD2 LD3 LD4
WH-1
(J7)
C50
SWITCH
UNIT
C51
SW50
R52 100k
R53 100k
CR60
A
BC
(J9)
CF1 4MHz
D30
DOOR SWITCH
T1
D1
D2
D4
D3
D1-D4
11ES1
Q40
KRA101M
Q24
KRA101M
Q21
KRA223M
Q22
KRA223M
Q20
2SB1238
Q23
KRC243K
Q1
KRA101M
AC230V
50Hz
OVEN LAMP
FAN MOTOR
TURNTABLE
MOTOR
HEATER
HIGH
VOLTAGE
TRANSFORMER
Q2
DTA123ES
Q3
2SB1238
R1
510
1w
R2
510
1w
R22
91
1/2w
d
(J2) (J4) (J6) (J8)
(J1)
R62 4.7k
C 1 C 2 C 3 C 4
C 5 C 6
CONTROL PANEL CIRCUIT

Sharp R-763 Specifications

General

Brand	Sharp
Model	R-763
Category	Microwave Oven
Language	English