DOWNLOAD Sharp R-1900M (serv.man11) Service Manual ↓ Size: 2.09 MB | Pages: 9 in PDF or view online for FREE

Model
R-1900M (serv.man11)
Pages
9
Size
2.09 MB
Type
PDF
Document
Service Manual
Brand
Device
Home Appliance / Microwave Oven / Circuit Diagrams
File
r-1900m-sm11.pdf
Date
PREV: Sharp R-1900M (serv.man10) Service Manual

Sharp R-1900M (serv.man11) Service Manual ▷ View online

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
R1900M
11 – 8
[6] Figure S-5. Printed Wiring Board
SWITCHING POWER SUPPLY UNIT
RELAY UNIT
SWITCH UNIT
ANTENNA SENSOR
CONTROL UNIT
MICROWAVE SENSOR
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