Sharp R-239 Service Manual

R239(W)
14 – 3
[3] Control Unit Circuit (Figure S-2)
Figure S-2. Control Unit Circuit
< POER UNIT >
< SWITCH UNIT >
< CPU UNIT >
H1 H2 H3 H4 H5 H6
1
BA
234 5 6
NO
RST
GND
-5V
INT
VA
BZ
BL
COM
M
DOOR
COM
NO
B1 B2
2ND. INTERLOCK RELAY CONTROL SWITCH
CN-H
B8B-PH-K-S
WH-A
8-PIN
WIRE HARNESS
SW100
SW1 SW2
SW3 SW4
HIGH VOLTAGE TRANSFORMER
AC
AC 230V 50Hz
AC
OVEN LAMP TURNTABLE MOTOR FAN MOTOR
COM
H7 H8
7 8
P32 P31 P25 P33
1 2 3 4 5 6
R102
4.7K
R103
4.7K
R7815K
R76
15K
R72
15K
C100
0.01uF/ 16V
R100
100K 1/4W
R101
100K 1/4W
C101
0.01uF/ 16V
R70
15K
RY2
OMIF-S-112LM-SP
RY1
OMIF-S-112LM
D3
D4
D2
D1
ZD3
HZ12C-1
R21
330,1/4W
R3
27,1/4W
R1
330,1/2W
R20
130,1W
R2
470,1W
Q23 2SB1238
Q22 DTA123JS
Q1 DTA123EKA
LCD RLCDSA147DRZZ
IC-1
Q20 DTA143EKA
Q30 DTA143EKA
Q10 DTA143EKA
R41
15K
R4
4.7K
R40
4.7K
R30
3.3K
R10
15K
C11
0.01uF/ 50V
R7
4.7K
R8
4.7K
R9
4.7K
C3
C60-C63
330pF/50V x 4
R60-R63
270K x 4
R80 11KF
C4
0.01uF/ 50V
R6
15K
C40
0.01uF
50V
D40
D22
(J1)
C12
VRS1
10G471K
C5
C1
C6
220uF/10V
ZD2 HZ5C2
ZD21
(J10) 12K
(J11) 15K
AIN2
AIN3
AIN4
AIN5
(J12)(J13)
(J14)(J15)
(J16)(J17)
C10
HZ4A2
-
+
-
+
-
+
10uF/35V
1000uF/35V
C21
Q21 DTD143ES
Q2 2SB1238
LD1 LD2 LD3 LD4
D5 D6
SP1
C20
T1
PA145DR
ab
d
c
D1 -- D4 1N4002X4
AIN5 AIN4 AIN3 AIN2
SEG7 SEG8 SEG9
SEG10 SEG11 SEG12 SEG13 SEG14
P70 P71 P72
AVDD
AIN5 AIN4 AIN3 AIN2
P03 P02 P01 P00
RESET
X2 X1
VSS
VDD
XT2 XT1
IC
P53 P52 P51 P50
33 16 48 1
49 64 32 17
AINT1
AINT0
AVSS
P11
P10
P33
P32
P31
INTP0
P26
P25
P24
P23
P22
BZ090
P20
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
COM3
COM2
COM1
COM0
VLC2
VLC1
VLC0
CAPL
CAPH
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG9
SEG2
SEG1
COM2
COM1
COM0
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
C3
C2
C1
P33
P32
P31
P25
P50
P52
C80
22pF/50V
C60
330PF/50V
C62
330PF/50V
R60 R61 R62 R63
P52 P50

Sharp R-239 Specifications

General

Brand	Sharp
Model	R-239
Category	Microwave Oven
Language	English