R-269KM (serv.man13). Circuit Diagrams — Sharp Home Appliance Service Manual (repair manual)

Model
R-269KM (serv.man13)
Pages
4 Few pages! See other manuals at the bottom of the first or last page.
Size
248.52 KB
Type
PDF
Document
Service Manual
Brand
Device
Home Appliance / Microwave Oven / Circuit Diagrams
File
r-269km-sm13.pdf
Date

View Sharp R-269KM (serv.man13) Service Manual online

R269WM
13 – 1
R269WM
Service Manual
 
CHAPTER 13. 
CIRCUIT DIAGRAMS
[1] Oven Schematic
                                                                                                      Figure O-1 Oven Schematic-OFF Condition
                                                                                                   Figure O-2 Oven Schematic-ON Condition 
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME PROGRAMMED.
3. START KEY TOUCHED.
HIGH
VOLTAGE
TRANSFORMER
MAGNETRON
H.V.
RECTIFIER
TURNTABLE MOTOR
FAN
MOTOR
OVEN
LAMP
MONITOR
SWITCH
CONTROL UNIT
2ND.
INTERLOCK
RELAY
1ST. LATCH
SWITCH
2ND.
INTERLOCK
RELAY CONTROL
SWITCH
OL
FM
TTM
N.O.
COM.
COM.
(RY-1)
(RY-2)
EARTH
230
-
240V
50Hz
BLU
BRN
LIVE
NEUTRAL
G-Y
FUSE T6.3A
N
L
NOISE
SUPPRESSION
COIL
NOISE FILTER
TEMP.
FUSE
H.V.
FUSE
0.6A
B1
B2
NOTE: "
" indicates components with potentials above 250V
HIGH
VOLTAGE
TRANSFORMER
MAGNETRON
H.V.
RECTIFIER
TURNTABLE MOTOR
FAN
MOTOR
OVEN
LAMP
MONITOR
SWITCH
CONTROL UNIT
2ND.
INTERLOCK
RELAY
1ST. LATCH
SWITCH
2ND.
INTERLOCK
RELAY CONTROL
SWITCH
OL
FM
TTM
N.O.
COM.
COM.
(RY-1)
(RY-2)
EARTH
BLU
BRN
LIVE
NEUTRAL
G-Y
FUSE T6.3A
N
L
NOISE
SUPPRESSION
COIL
NOISE FILTER
TEMP.
FUSE
H.V.
FUSE
0.6A
B1
B2
230
-
240V
50Hz
R269WM
13 – 2
[2] Pictorial Diagram (Figure S-1)
Figure S-1. Pictorial Diagram
BLU
MONITOR
SWITCH
1ST.
LATCH
SWITCH
COM
COM
RED
N.C.
N.O.
N.O.
COM
GRY
GRN
GRN
GRY
TEMPERATURE
FUSE
(OVEN)
2ND.
INTERLOCK
RELAY
C
ONTROL
SWITCH
BLK
ORG
GRN
CONTROL
PANEL
GRY
CN-B
CN-G
2
1
N.O.
T1
RY1
N.O.
RY2
GRY
GRY
B L K
WHT
CN-B
2
1
GRN
GRY
COM
N.O.
GRY
HIGH
VOLTAGE
CAPACITOR
HIGH
VOLTAGE
FUSE
H.V.
RECTIFIER
HIGH
VOLTAGE
COMPONENTS
MAGNETRON
TURNTABLE
MOTOR
HIGH
VOLTAGE
TRANSFORMER
RED
RED
GRY
RED
WHT
WHT
ORG
FUSE
EARTH
FAN
MOTOR
BLU
GRY
RED
OVEN
L
AMP
RED
BRN
BLU
L
N
WHT
RED
Power
S
upply
Cord
Oven
Cavity
Back
Plate
Screw
LIVE
NEUTRAL
Noise
Filter
G / Y
GRY
WHT
ORG
ORG
RED
R E D
R269WM
13 – 3
[3] Control Unit Circuit (Figure S-2)
Figure S-2. Control Unit Circuit 
B2
COM
NO
NO
RY
1
OMIF-S-1
12LM
OMIF-S-1
12LM-SP
RY
2
D20
D21
Q21
DTD143ES
C21
10uF/35V
+
-
D22
D40
Q22
SP1
C1
1000uF/35V
+
-
ZD1HZ4B3TA
OL
TTM
FM
DOOR
SW
.
VRS1
S10K300
T1
D3
D4
D1
D2
D1
--
D4
1N4002X4
B1
DOOR
RST
-5V
INT
BZ
COM
M
GND
R1
CN-B
AC
AC230-240V
50HZ
(J1)
DT
A123JS
VA
BL
COM
<
POWER
UNIT
>
R3
27,1/4W
Q2
2SB1238
LD1
LD2
LD3
C12
PA
145DR
R2
C6
220uF/10V
+
-
D5
D6
C5
1
G1
G2
G3
G4
G5
G6
G7
G8
G9
G10
2
3
4
5
6
7
8
9
10
ZD3
R21
HZ12C-1
430,1/4W
Q23
2SB1238
G1
G2
G3
G4
G5
G6
G7
G8
G9
G10
R70
R71
15K
15K
15K
R72
R73
15K
R74
15K
R75
15K
15K
R76
R77
R78
15K
15K
R79
15K
LD4
G1
G2
G3
G4
G5
G6
G7
G8
G9
R20
130,1W
CN-G
5597-10CPB7F
0.1uF/25V
C10
0.1uF/25V
R5
2SA1037AK
Q10
DT
A143EKA
R10
15K
1K
Q20
DT
A143EKA
C20
0.1u
/25V
R41
15K
R40
4.7K
C40
3.3K
0.01uF
50V
R3
R4
4.7K
4.7K
Q30
DT
A143EKA
Q1
R6
15K
C3
0.1uF/
25V
1K
R80
4.7K
R7
CF1
4MHz
ESDA
ESCLK
ESPGMB
RESET
VPP
VCC
VSS
65
49
P54
AN5
AN4
P60
P53
AV
S
S
SEG21
P46 P47 VREF
P55 P56 P57
AN2
P41
P40
OSCSEL
RESET
P62
P61
VSS
AN3
XIN
XOUT
VCC
VCC
18
1
17
32
50
P51
INT0
VL2
VL3
COM0
COM1
COM2
COM3
P30
P31
P32
P33
P34
P35
T2OUT
VL1
33
P37
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
P52
C4
0.01uF
50V
C11
0.01uF/
50V
R100
1M
C2
P46
P53
P54
P55
P56
P57
AN2
AN3
AN4
AN5
COM0
COM2
COM1
SEG17 
SEG16 
SEG15 
SEG14 
SEG13 
SEG12 
SEG11 
SEG10 
SEG9
SEG7
SEG8
C1 
C2 
C3 
S1 
S2 
S3 
S4 
S5 
S6 
S7 
S8 
S9 
S10 
S11 
S12
LCD
RLC
DSA14
7DRZZ
R30
BR
SEG6
11
12
G10
P51
P52
R63
270K
R62
270K
R61
270K
R60
270K
10
sec.
1
m
in.
10
m
in
330,
1W
240,1/2W
MICRO
AC
[NOTE]
:
IF
NOT
SPECIFIED,
1/10W
,
±5%
:
IF
NOT
SPECIFIED,
0.1uF
/
5
0V
:
IF
NOT
SPECIFIED,
1SS270A
<
LSI
UNIT
>
*
C
hecker
la
nd
7
point
(
for
FRASH
ROM
w
riting
)
IC-1
<
K
EY
UNIT
>
AUT
O
COOK
MEA
T
JOINT
ROAST
BEEF
LAMB
ROAST
PORK
ROAST
POUL
TR
Y
TIME
WEIGHT
ST
OP
CLEAR
ST
AR
T
AUT
O
MINUTE
WEIGHT
POWER
LEVEL
TIME
KITCHEN
TIMER
CLOCK
SET
CHICKEN
QUA
TERS
WHOLE
POUL
TR
Y
R269WM
13 – 4
[4] Printed Wiring Board (Figure S-3)
Figure S-3. Printed Wiring Board of Power Unit
LD1
LD2
LD3
LD4
DIP
CN-G
IC SIDE
10
1
1
2
CN-B
D22
CN-H
D40
Q2
R1
C12
ZD2
(J1)
ZD3
R20
JUMP2
JUMP3
R2
BE
JUMP1
JUMP4
(JUMP A)
SP1
C6
+
+
+
-
-
-
R3
D5
D6
C1
R21
C5
R22
T1
VRS1
P
S
D20
Q23
B
B
B
E
E
E
C21
Q22
Q21
D2
D1 D3
D4
ZD1
RY1
RY2
D21
d
a
b
c
Page of 4

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Here you can view online or download Sharp R-269KM (serv.man13) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp R-269KM (serv.man13) Microwave Oven. Information contained in Sharp R-269KM (serv.man13) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).