Sharp R-753 (serv.man3) Service Manual ▷ View online
16
753M -
WIRING DIAGRAM
Figure S-2. Power Unit Circuit
+
–
B 1
C 1
C 2
C 3
C 4
C 6
C 7
C 5
C 8
C 9
C11
C12
B 2
A 1
A 3
NO
COM
NO
COM
STOP
SWITCH
SWITCH
STOP
SWITCH
SWITCH
NC
GND
VC
BUZZER
VR
INT
CN-C
13 WIRE HARNESS
AC230-240V
50Hz
50Hz
OVEN LAMP
TURNTABLE
MOTOR
FAN MOTOR
TURNTABLE
MOTOR
FAN MOTOR
HIGH
VOLTAGE
TRANSFORMER
VOLTAGE
TRANSFORMER
GRILL
HEATING
ELEMENT
HEATING
ELEMENT
R3
130 1w
130 1w
D1
S1NB10
S1NB10
R1 430 2w
R2 470 1w
T1
GND
a
b
c
d
VRS1
C1 470
µ
/50v
SP1
(J1)
10G471K
RY1
RY3
C10
C13
NO
COM
RY2
CN-B
CN-A
17
753M -
WIRING DIAGRAM
Figure S-3.Control Panel Circuit
+
—
+
—
C 4
GND
C 3
GND
VC
INT
VR
BUZZER
BUZZER
NC
OVEN LAMP
TURNTABLE
MOTOR
FAN MOTOR
TURNTABLE
MOTOR
FAN MOTOR
GRILL
HEATING
ELEMENT
HEATING
ELEMENT
HIGH
VOLTAGE
TRANSFORMER
VOLTAGE
TRANSFORMER
STOP
SWITCH
SWITCH
C 7
C 9
C 8
C 5
C 6
C13
C10
C11
C12
C 1
C 2
G 9
G10
G11
G12
G 1
41
64
1
24
IC1
RH-IXA028DRZZ
LIQUID CRYSTAL DISPLAY
80
65
25
40
G 2
G 3
G 4
G 5
G 6
G 7
G 8
S12
S11
S10
S 9
S 8
S 7
S 6
S 5
S 4
S 3
S 2
S 1
C 3
C 2
C 1
SEG10
SEG11
P34
P35
P36
P37
P00
P01
P02
P03
P04
P05
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
SEG9
SEG8
VL2
VL1
AN7
AN6
AN5
5
10
15
20
45
50
55
60
30
35
70
75
AN4
P63
P62
AN1
P60
P57
P56
P55
CNTR0
VL3
COM0
CO
M1
COM2
P41
P40
RESET
P71
C1 0.1
/50v
C2 0.1
/50v
C4
R1 4.7k
R40 4.7k
R67 15k
R66 15k
R65 15k
R64 15k
R63 15k
R62 15k
R61 15k
R60 15k
R77 100k
R76 100k
R75 100k
R74 100k
R2 27
R3 4.7k
Q1
DTA143EKA
DTA143EKA
0.1
/50v
C5
0.01
/50v
C3 47
/16v
C40
0.01
/50v
P70
XIN
XOUT
VSS
P27
P26
P25
P24
P23
P22
P21
P20
COM3
AVSS
VREF
VCC
SEG0
SEG1
SEG
2
SEG3
SEG4
SEG5
SEG6
SEG7
P53
P52
P51
P50
P47
P46
P45
P44
P43
INT0
D1-D2 1SS355
D1
D2
R4 1k
R5 15k
R6 15k
R7 15k
R30 3.3k
R21 1.5k
R41 15k
(J11) 4.7k
(J13) 13k
(J15)
(J17) 4.7k
(J10)
(J12) 10k
(J14) 4.7k
(J16)
R90 4.7k
R91
1M
R68 15k
R69 15k
R70 15k
R71 15k
R69 15k
R70 15k
R71 15k
RR 200
D23
D22
D22-23
1SS355
ZD20
UDZ22B
UDZ22B
D20
DAP202U
DAP202U
NOTE
: IF NOT SPECIFIED, 1/10W – 5%
D21
1SS355
1SS355
PWB BACK PLAT
LD1-LD5
Q30
DTA143EKA
DTA143EKA
Q2
2SA1037AK
2SA1037AK
Q3
2SA1037AK
2SA1037AK
Q20
DTA143EKA
DTA143EKA
Q21
DTD143EK
DTD143EK
Q22
DTA123JKA
DTA123JKA
Q23
DTA123JKA
DTA123JKA
Q24
2SA1037AK
2SA1037AK
LD1
LD2
LD3
LD4
LD5
R8 15k
C6 0.01
/50v
330pF/50v
C63
330pF/50v
C62
330pF/50v
C61
330pF/50v
C60
C20
0.1 /50v
0.1 /50v
CF1
CST4.00MGW
CST4.00MGW
C21
10 /35v
10 /35v
C7 0.01
/50v
ZD1
UDZ4.3B
AUTO
START
ROST
BEEF/
LAMB
BEEF/
LAMB
MICROWAVE
POWER
LEVEL
AUTO
COOK
CHICKEN
PORTIONS
ROST
PORK
PORK
ROST
POULTRY
MINCED
MEAT
SOUP
LESS
KITCHEN
TIMER
DUAL
GRILL
Express
DEFROST
STOP/
CLEAR
CLOCK
Kg / Lb
10 min.
1 min.
10 sec.
START
AUTO
MINUTE
DOWN
MORE
UP
GRILL
CPU UNIT
KEY UNIT
18
753M -
Figure S-4. Printed Wiring Board of Power Unit
WIRING DIAGRAM
FA647DR
13
1
CN - C
CN - B
CN - A
AC
DOOR
2
31
1
R1
R2
R3
OM
DU
T1
OM
OM
DU
DU
VRS1
(D3)
(D2)
D1
S
P
C1
SP1
RY1
(J1)
RY2
RY3
(D1)
DIP
TTM
F
OL.FM
HEATER
MICRO
19
753M -
PARTS LIST
Note:
The parts marked “*” are used in voltage more than 250V.
The parts marked "
∆
" may cause undue microwave exposure
“§” MARK: SPARE PARTS-DELIVERY SECTION
ELECTRIC PARTS
REF NO
PART NO
§
DESCRIPTION QTY CODE
C
RC-QZA207WRE0
U
High voltage capacitor
1
AS
FM
RMOTEA361WRE0
U
Fan motor
1
AT
F1
QFS-CA025WRE0
U
F8A Fuse
1
AC
F2
QFS-BO019MRE0
U
Fuse 15A
1
AC
GH
FHET-A041WRK1
U
Grill heating element assembly
1
BB
MG
RV-MZA264WRE0
U
Magnetron
1
BK
OL
RLMPTA066WRE0
U
Oven lamp
1
AK
SW1
QSW-MA131WRE0
U
Monitored latch switch
1
AK
SW2
QSW-MA133WRE0
U
Monitor switch
1
AN
SW3
QSW-MA131WRE0
U
Stop switch
1
AK
T
RTRN-A016URE1
U
Power transformer
1
BE
TC1
RTHM-A098WRE0
U
Thermal cut-out
125
°C (Magnetron)
1
AH
TC2
RTHM-A100WRE0
U
Thermal cut-out
160
°C (Oven)
1
AH
TTM
RMOTDA227WRE0
U
Turntable motor
1
AU
1-1
FH-DZA035WRE0
U
H.V. rectifier assembly
1
AP
1-2
FPWBFA309WRE2
U
Noise filter
1
AT
1-3
QACCBA004URE3
U
Power supply cord
1
AT
CABINET PARTS
REF NO
PART NO
§
DESCRIPTION QTY CODE
2-1
GCABUA469WRT0
U
Outer case cabinet (W)
1
AX
2-2
GLEGPA028WRE0
U
Foot
4
AA
2-3
GDAI-A219WRP5
U
Base Plate
1
AS
*
*
*
∆
∆
*
CONTROL PANEL PARTS
3- 1
DPWBFA128URK0
U
Power unit
1
BY
3- 1A
QCNCMA410DRE0
U
2-pin connector (CN-A)
1
AB
3- 1B
QCNCMA414DRE0
U
2-pin connector (CN-B)
1
AB
3- 1C
QW-QZA010URE0
U
13-pin wire harness (CN-C) {See Note.}
1
AG
3- 1D
B13BPHKSWHITE
U
13-pin PWB connector (CN-C) {See Note.}
1
--
3- 1E
LHLD-A009URF0
U
LCD holder
1
AC
3- 1F
PSHEPA601WRE0
U
LCD sheet
1
AD
C1
VCEAB31HW477M
U
Capacitor 470 uF 50V
1
AB
D1
RSRCDA013DRE0
U
Diode bridge (S1NB10)
1
AE
R1
VRS-B13DA431J
U
Resistor 430 ohm 2W
1
AA
R2
VRS-B13AA471J
U
Resistor 470 ohm 1W
1
AA
R3
VRS-B13AA131J
U
Resistor 130 ohm 1W
1
AB
RY1
RRLY-A117DRE0
U
Relay (DU18D1-1P(M)-R)
1
AG
RY2
RRLY-A113DRE0
U
Relay (DU24P1-1P(M))
1
AG
RY3
RRLY-A122DRE0
U
Relay (DU18D1-1P(M)-R-S)
1
AG
SP1
RALM-A014DRE0
U
Buzzer (PKM22EPT)
1
AG
T1
RTRNPA112DRE0
U
Transformer
1
AP
VRS1
RH-VZA034DRE0
U
Varistor (10G471K)
1
AD
3- 2
DPWBFC034WRKZ
U
CPU unit
1
BC
3- 3
FUNTKC099URE0
U
Key unit(W)
1
AS
3- 4
GCOVHA018URF0
U
Key fixing frame
1
AL
3- 5
HPNLCA030URF0
U
Control panel frame
1
AN
3- 6
JBTN-A017URF0
U
Open button
1
AE
3- 7
MSPRCA045WRE0
U
Open button spring
1
AA
3- 8
XEPSD30P10XS0
U
Screw : 3mm x 10mm
6
AA
REF NO
PART NO
§
DESCRIPTION QTY CODE
HOW TO ORDER REPLACEMENT PARTS
To have your order filled promptly and correctly, please furnish the following information.
1. MODEL NUMBER
2. REF. NO.
3. PART NO.
4. DESCRIPTION
Note : It is better to use one pair of QW-QZA010URE0 and B13BPHKSWHITE.
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