R-24STM (serv.man3). Part 2 Block and Schematic Diagrams (21-24) - Sharp Home Appliance Service Manual (repair manual)

r-24stm (serv.man3) service manual
Model
R-24STM (serv.man3)
Pages
4 Few pages! See other manuals at the bottom of the first or last page.
Size
350.84 KB
Type
PDF
Document
Service Manual
Brand
Device
Home Appliance / Microwave Oven / Part 2 Block and Schematic Diagrams (21-24)
File
r-24stm-sm3.pdf
Date

Read Sharp R-24STM (serv.man3) Service Manual online

R-24STM - 21
*INDICATES COMPONENTS WITH
  POTENTIAL ABOVE 250V
Figure 0-1 Oven Schematic-OFF Condition, Door Closed.
Figure 0-2 Oven Schematic-ON Condition, Door Closed.
T: HIGH VOLTAGE
TRANSFORMER
WITH 150˚C THERMOSTAT
IN PRIMARY WINDING
MG: MAGNETRON
 H.V. RECTIFIER
C:
H.V. CAPACITOR
0.88
µF/ AC2100V
TURNTABLE MOTOR
FAN MOTOR
OVEN LIGHT
D72
D3
D1
D71
D70
SW3: STOP
SWITCH 
CONTROL UNIT
TC: OVEN THERMAL 
CUT-OUT 125˚C 
SW1: MONITORED 
LATCH SWITCH 
SW2: MONITOR
SWITCH 
B2
B1
A5
A1
A3
OL
FM
TTM
N.O.
N.O.
N.C.
RY-1
COM.
N.O.
COM.
RY-2
EARTH
BLU
BRN
LIVE
NEUTRAL
G-Y
F1: FUSE 
   ( F8A)
N
L
0.22
µ
/AC250V 
680K/ 0.5W 
10M/ 0.5W 
NOISE SUPPRESSION COIL 
0.0033
µ
/ 250V
0.0033
µ
/ 250V
NOISE FILTER
230-240V 
˜
 
50Hz 
T: HIGH VOLTAGE
TRANSFORMER
WITH 150˚C THERMOSTAT
IN PRIMARY WINDING
MG: MAGNETRON
 H.V. RECTIFIER
C:
H.V. CAPACITOR
0.88
µF/ AC2100V
TURNTABLE MOTOR
FAN MOTOR
OVEN LIGHT
D72
D3
D1
D71
D70
SW3: STOP
SWITCH 
CONTROL UNIT
TC: OVEN THERMAL 
CUT-OUT 125˚C 
SW1: MONITORED 
LATCH SWITCH 
SW2: MONITOR
SWITCH 
B2
B1
A5
A1
A3
OL
FM
TTM
N.O.
N.O.
N.C.
RY-1
COM.
N.O.
COM.
RY-2
EARTH
BLU
BRN
LIVE
NEUTRAL
G-Y
F1: FUSE 
    (F8A)
N
L
0.22
µ
/AC250V 
680K/ 0.5W 
10M/ 0.5W 
NOISE SUPPRESSION COIL 
0.0033
µ
/ 250V
0.0033
µ
/ 250V
NOISE FILTER
230-240V 
˜
 
50Hz 
SCHEMATIC DIAGRAMS
R-24STM - 22
Figure S-1. Pictorial Diagram
HIGH VOLTAGE COMPONENTS
SW1:
MONITORED 
LATCH SWITCH
SW2:
MONITOR 
SWITCH
TTM:
TURNTABLE
MOTOR
COM.
COM.
YLW
N
L
RED
WHT
YLW
N.C.
SW3: STOP SWITCH
WHT
WHT
WHT
YLW
YLW
YLW
WHT
YLW
RED
G/Y
CONTROL UNIT
WHT
WHT
YLW
BLU
BRN
RED
RED
TC:
THERMAL CUT-OUT
(OVEN)
OL:
OVEN 
LAMP
SP30
IC1
CN-A
RY1
CN-B
RY2
1
12
5
RED
YLW
WHT
CN-A
CN-B
2
RED
1
3
4
5
WHT
RED
WHT
WHT
RED
YLW
WHT
2
1
N.O.
COM.
N.O.
FM:
FAN MOTOR
NOISE FILTER
WHT
H.V.WIRE B
MG: MAGNETRON
C: 
H.V. 
CAPACITOR
H.V.
RECTIFIER
T: HIGH VOLTAGE
    TRANSFORMER
POWER SUPPLY CORD
LIVE
NEUTRAL
WHT
YLW
PICTORIAL DIAGRAM
R-24STM - 23
Figure S-2. Control Panel Circuit
CONTROL PANEL CIRCUIT DIAGRAM
+
+
+
+
+
+
+
A 1
A 5
A 3
COM
NO
B 1
B 2
R70
VSS
AIN3
AIN2
AIN1
AIN0
R63
R62
R61
R60
S1
S2
S3
S4
S5
S12
S11
S10
S9
S8
S7
S6
C3
C2
C1
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
R71
23
R72
24
R73
25
INT2
26
R81
27
INT1
28
R83
29
R90
30
R91
31
R92
32
XIN
33
XOUT
34
RESET
35
HOLD
36
VLC
37
COM1
38
COM2
39
COM3
40
COM4
41
VDD
42
ab
c
d
D1
R1
R1-5
1k x 5 2w
R40
1.5k
1/2w
A
B
SW60
Q20
KRA
101M
Q70
KRC105M
Q21
KRC
105M
RY1
D71
D80
JW1
D74
RY2
D3
1N4005E
D70-71
1N4005E
ZD70-71
HZ7C2
Q30
KRC
101M
R2
R3
R4
R10 27k
R11 27k
LIQUID CRYSTAL DISPLAY
CN - C
CN - B
CN - A
AC(N)
OVEN LAMP
FAN MOTOR
TURNTABLE
MOTOR
HIGH
VOLTAGE
TRANSFORMER
DOOR SWITCH
NOTE :
AC(L)
FM
CN-C
5
CN-C
4
CN-C
3
CN-C
2
CN-C
1
CN-C
6
IC1
IXA087DR
R5
: IF NOT SPECIFIED 1/4W 
±
 5%
: IF NOT SPECIFIED 1SS270A
: IF NOT SPECIFIED 0.01
µ
F/16V
1N4005E
1N4005E
LED1LED2
LED3
10G471K
VRS1
D2
ZD21
ZD20
SP30
D10
D20
D72
C80
R73 15k
R70 360 1w
R71 360 1w
ZD71ZD70
D70
D73
R30 3.3k
R20
8.2k
R72
8.2k
R31 15k
R62 4.7k
R63 4.7k
R81
4.7k
R80
15k
R42 15k
10k
R12
R41 1k
R64 100k
RW 100k
R50 10kF
(JSW2)
(J2)
(J3)
(J4)
(J5)
(J6)
(J7)
R61 10k
R60 10k
LED1-3
SLP-7117E
C1 220
µ/16v
C20 220
µ/35v
C41 47
µ/16v
Q40 2SA1267Y
C21 100
µ/35v
C42 0.1
µ/50v
C10
0.1
µ
/50v
C43
C44
C50
33pF(CH)
C60
C61
C22 0.1
µ
/50v
C40 0.1
µ/50v
C70 47
µ/35v
C71 100
µ/35v
ZD1 HZ12C1
ZD40 HZ4C3
ZD20-21 HZ12C1
FM
R-24STM - 24
1
2
3
4
SW2
5
6
SW3
SW4
SW5
SW6
SW7
CN-G
SW1
START / AUTO MINUTE
POWER LEVEL
MEAT JOINT
MINCED MEAT
Express Cook 
WHOLE POULTRY
STOP / CLEAR
SWITCH UNIT DIAGRAM
Figure S-3. Switch Unit Circuit
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Here you can read online and download Sharp R-24STM (serv.man3) Service Manual in PDF. R-24STM (serv.man3) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp R-24STM (serv.man3) Microwave Oven. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.