DOWNLOAD Sharp R-1900M Service Manual ↓ Size: 3.19 MB | Pages: 50 in PDF or view online for FREE

Model
R-1900M
Pages
50
Size
3.19 MB
Type
PDF
Document
Service Manual
Brand
Device
Home Appliance / Microwave Oven / Complete
File
r-1900m.pdf
Date
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Sharp R-1900M Service Manual ▷ View online

R1900M
11 – 4
BRN
1
2
3 WHT
CN1
Main wire harness
NOTE:
The red and blue wire leads to the cabinet side terminals of
RY2 and RY3 should go through inside the core of CT1
RELAY UNIT
SWITCHING POWER SUPPLY UNIT
Main wire harness
Main wire
harness
Main wire
harness
RED
1
2
GRN
CN21
RED
1
2
GRN
CN-E
RED
WHT
1
2
3
4
5
BLK
CN-A
DC harness 12
DC harness 12
DC harness 12
CPU harness
Grounding wire
Primary interlock
relay RY1
Cook relay (1)
RY2
Cook relay (2)
RY3
RED
BLU
RED
BLU
BLK
BLK
YLW
BRN
GRN 1
2
3
13
12
11
10
9
8
7
6
5
4
3
2
1
ORG
RED
YLW
YLW
YLW
YLW
YLW
YLW
YLW
YLW
YLW
YLW
YLW
YLW
CN-C
CN-D
CT1
R1900M
11 – 5
[3] Figure S-2. Switching Power Supply Unit Circuit
4,
5
Output
Input
R27
R26
IC21
C23
R23
PC1A
2
1
R24
R25
C22
+
R21
L21
ZD21
C13
CN21
2
1
C24
F21
D7
R1
1
C7
C9
+
C10
+
C8
PC1B
4
3
R7
R22
C21
T1
12
2
10
8
7
4
3
FB1
D6
R6
C6
R3
R4
R5
C5
+
C1
CN1
3
2
1
C14
C1
1
C
12
R1
R2
TH1
R10
D5
IC1
5
3
2
1
4
6
8
7
NC
DR
V
CS
FB
ADJ
VCC
HV
GND
VZ3
D21
D8
L1
D1
R9
D2
D4
D3
Q1
R8
ZD2
VZ1
ZD1
F1
12
VZ2
CD1
R1900M
11 – 6
[4] Figure S-3. Relay Unit Circuit
RY3
RY1
D245
R295
R296
RY2
AC230V - 240V
GND 1
24V 2
2
24V
3
RY4
OL
AC1
1
5
3
GND 1
2
DOOR SW 3
RY5,6
PCJ-124D3M
Q241
C241
C295
CT1
C296
D295
D297 D298
D296
DI24D1
CN-D
RY5,6 1
MONITOR SW2
DOOR SW
COOK
RELAY (2)
COOK
RELAY (1)
PRIMARY
INTERLOCK
RELAY
SW POWER
UNIT
O.L.
AM1
AM2
CN-B
CN-E
CN-C
MONITOR SW1
RTRNPA162DR
T1
VRS1
KRA223M
S10K300
D291
D292
T3.15A
10K
470F
620F
33K
510F
C291
470uF/25V
D293
10uF/50V
10uF/50V
D294
1N4002
D251
F241
FUSE1
1N4002
1N4002x4
ZD291
HZ12B1
R293
R292
D244
D241
D242
D243
R291
INT
D-6
V-SENS
D-12
GND-1
D-5
GND
D-4
RY1
D-8
RY2
D-10
RY3
D-9
RY5,6
D-11
DOOR
D-1
I-SENS
D-13
24V-1
D-3
24V-2
D-2
RY4
D-7
DU24D1-1PR-CF
DU24D1-1PR-CF
NOTE:
IF NOT SPECIFIED
: 1/4W J%
: 1SS133
: NOT INSERT PARTS
( )
: CHECK POINT
8
1
4
6
CN-A
R1900M
11 – 7
[5] Figure S-4. Control Unit/ Antenna sensor/ Microwave Sensor Circuit
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