Service manual

R-820JS
38
Figure S-2. Power Unit Circuit
6
45
1
2
3
6
45
1
2
3
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
A1
C2
C3
C4
C5
COM
CN-A
FAN
MOTOR
B.HEATER
CONV.
DOOR
SENSING
SWITCH
.
VRS1
10G471K
T1
A155DR
1N4002x4
D1 -- D4
C2
470uF/50V
D10
RY4
CN-C
GND
VC
INT
BUZZER
FM
OL
TTM
DOOR SW.
(J1)
C6
C1
0.1uF/50V
R2
510 1/2W
R3
510 1/2W
C4
10uF/35V
C3
0.1uF/50V
R4
27
D5 D6
Q2
2SB1238
C10
Q3
KRC243M
C14
B.HEATER
C1
VA
C9
VR
LED
NO
COM
D9
RY3
NO
COM
D8
RY2
A3
D12
RY5
A5
D7
RY1
NO
COM
D11
RY6
B1B2D1D3
C8
C7
C17
C16
C12
C15
OVEN TH.
OL TTM
NO
MICRO
T.HEATER
4
6
CONV.
C11
C13
NC
T.HEATER
NC
MICRO
OVEN TH.
OJ-SH-124
OMIF-S-124LM
OJ-SH-124
OMIF-S-124LM
OMIF-S-124LM
OMIF-S-124LM
AC120V
60Hz
AC
AC
8
1
D1
D2
D3
D4
R5
4.7K
SP1
R6 3.3K
C5
10uF/35V
NOTE:
B3P5-VH-B
CN-D
0-316879-1
CN-B
B2P-VH-B
C18 NC
9pin HARNESS
x 2
:IF NOT SPECIFIED 1/4W +/- 5%
:IF NOT SPECIFIED 1SS270A
+
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+
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