Read Sharp R-33ST Service Manual online
R33ST - 18
Figure S-3. Control Panel Circuit
CONTROL PANEL CIRCUIT DIAGRAM
+
–
+
–
+
–
+
–
E 1
E 3
WH-A
E 5
E 7
T1
AC230V 50Hz
OVEN LAMP FAN MOTOR TURNTABLE MOTOR
HIGH VOLTAGE TRANSFORMER
STOP SWITCH
510 1w
R1
510 1w
R2
D1
RY1
RY2
VRS1
a
b
c
d
C1 0.1
µ
/50v
C2 470
µ
/50v
C20
10
µ
/35v
IC1 IXA025DR
C21 0.1
µ
/50v
C6 10
µ
/35v
C7 0.1
µ
/50v
0.1
µ
/50v
C3
C4
C5
D5
D6
Q2 DTA123ES
Q1 KRA101M
Q40 KRA101M
Q21 KRA101M
Q20 KRC243M
Q22 KRA101M
Q6 2SB1238
D28 11ES1
Q3 2SB1238
(J9)
(J7)
LIQUID CRYSTAL TUBE
CONTROL UNIT
KEY UNIT
(J8)
(J6)
(J2) 4.7k
SP1
(J1)
D20
D30
D21
R12 1.5k
ZD4
HZ20-1
R40 3.3k
R8 15k
R10 15k
R9 15k
R3 4.7k
R30 15k
G11
G7
G2
G5. 9
R69 4.7k
R68 4.7k
R70 4.7k
R71 4.7k
R72 4.7k
R73 4.7k
R74 4.7k
R31 4.7k
CR60
G12
G10
G8
G6
G4
G1
G3
NOTE
: IF NOT SPECIFIED 1/4w
±
5%
: IF NOT SPECIFIED 1SS270A
: IF NOT SPECIFIED 0.01
µ
F/16v
±
5%
C30
CF1 4MHz
R5
16
R6
4.7k
R4 4.7k
ZD1 HZ5C2
ZD2
HZ4A2
LD1
LD2
LD3
LD4
LD5
A 3
A 1
B 1
B
2
A 5
NO
COM
SEG10
C1
5
10
15
20
25
30
55
60
65
70
75
80
35
45
85
90
95
50
VL1
C2
VL2
VL3
COM0
COM1
P73
P72
P71
P70
RESET
XCIN
XCOUT
XIN
XOUT
VSS
P27
P26
P25
P24
P23
P22
P21
P20
P17
P16
COM2
COM3
AVSS
VREF
VCC
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AN0
P57
P56
P55
P54
P53
P52
P51
P50
P47
P46
P45
P44
P41
P40
P77
P76
P75
P74
P43
INT0
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
P10
P11
P12
P13
P14
P15
(J3) 4.7k
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