Sharp R-555 Service Manual ▷ View online
R-555(SL)
27
Figure S-3. CPU Unit Circuit
1
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
3
4
5
6
1
2
3
4
5
6
+
–
+
–
C-3
G 9
G 8
Roast
Poultry
Roast Pork
Whole
Poultry
Meat
Joint
Roast
Beef/Lamb
Chicken
Quarters
More
Risotto
Pasta Dish
G 7
G 6
G 5
G 4
G 3
G 2
G 1
G10
G11
G12
G13
G14
C-5
C-9
C-4
C-2
C-6
C-7
C-8
C-1
GND
C1 0.1
µ
/50v
C2 100
µ
/10v
ZD1
UDZ4.3B
C10
0.1
µ
/50v
C40
0.01
µ
/25v
10
µ
/35v
C21
C3 0.01
µ
/25v
C20 0.1
µ
/50v
C60-65 330pF/50v
Stop
Clear
10Sec.
1Min.
10Min.
Delay Start
Clock Set
Up
Kitchen
Timer
Less
Down
Start Auto
Minute
R68 15k
R69 15k
R70 15k
R71 15k
R72 15k
R73 15k
CF1 CST4.00MGW
C4
0.01
µ
/25v
C11 0.01
µ
/25v
R30 3.3k
R40
R79 270k
R78 270k
R77 270k
R76 270k
R75 270k
R74 270k
R67
15k
R66
15k
R65
15k
R64
15k
R63
15k
R62
15k
R61
15k
R60
15k
C65
C64
C63
C62
C61
C60
R80
1M
4.7k
R2 4.7k
R11 1k
R1 82
R5 1k
R6 15k
R9 4.7k
R8 4.7k
R7 4.7k
R10 15k
R12 4.7k
R41 15k
R90 15k
(J16)
(J17) 4.7k
(J15) 4.7k
(J13)
(J11) 4.7kF
1
25
64
41
1
24
25
40
65
80
(J14)
(J12) 4.7kF
(J10) 5.1kF
Q1
2SA1037AK
IC1
Q30
DTA143EKA
Q20
DTA143EKA
Q22
DTA123JKA
D40
MA152WA
Q21
DTD143EKA
Q10
DTA143EKA
Q2
2SA1037AK
LD1
LD2
LD3
LD4
R4 560 1/2w
GND
VR
INT
BUZZER
OVEN LAMP
TURNTABLE
MOTOR
FAN MOTOR
NC
(BROWNER)
HIGH VOLTAGE
TRANSFORMER
NOTE
: IF NOT SPECIFIED 1/10W
±
5%
2ND. INTERLOCK
RELAY CONTROL
SWITCH
SEG8
VL2
VL1
AN7
AN6
AN5
AN4
AN2
AN1
AN0
P57
P56
P55
CNTR0
P53
P52
P51
P50
P47
P46
P45
P44
P43
INT0
P63
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
VL3
COM0
P41
P40
RESET
P71
P70
XIN
XOUT
VSS
P27
P26
P25
P24
P23
P22
P21
P20
COM1
COM2
SEG 1
SEG 2
SEG 3
SEG 4
SEG 5
SEG 6
SEG 7
SEG 8
SEG 9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
COM3
COM2
COM1
COM3
AVSS
VREF
VCC
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG21
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
COOK
DEFROST
KG OZ.
NO.
LBS.
LIQUID CRYSTAL DISPLAY
CPU UNIT
KEY UNIT
D20
MA152WA
Auto
Cook
Power
Level
Casserole
Kg/Lb
Conversion
R-555(SL)
28
Figure S-4. Printed Wiring Board
1
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
3
4
5
6
1
2
3
4
5
6
1
1
2
(C2)
RY1
T1
P
13
4
8
7
VRS1
C1
(J1)
CN-B
9
CN-C
ZD1
D1
R1
R2
(D2)
OM
DU
OM
DU
(D3)
RY2
2
1
CN-A
SP1
B
Q1
IE
DIP
D2
D3
D4
R-555(SL)
29
∆
∆
*
*
*
*
*
*
*
*
*
*
*
∆
*
∆
*
*
*
*
PARTS LIST
Note: The parts marked "
∆
" may cause undue microwave exposure.
The parts marked "*" are used in voltage more than 250V.
REF. NO.
PART NO.
DESCRIPTION
Q'TY
CODE
ELECTRIC PARTS
1- 1
QSW-MA085WRE0
Monitored latch/ 2nd. interlock relay control switch
2
AF
1- 1
QSW-MA137WRE0
Monitored latch/ 2nd. interlock relay control switch(Interchangeable)
2
AH
1- 1
QSW-MA147WRE0
Monitored latch/ 2nd. interlock relay control switch(Interchangeable)
2
AG
1- 2
FPWBFA354WRKZ
Noise filter (Interchangeable)
1
AY
1- 2
FPWBFA353WRKZ
Noise filter
1
AS
1- 3
QSW-MA086WRE0
Monitor switch
1
AF
1- 3
QSW-MA138WRE0
Monitor switch (Interchangeable)
1
AH
1- 3
QSW-MA148WRZZ
Monitor switch (Interchangeable)
1
AF
1- 4
RTHM-A127WRZZ
Thermal cut-out 125 deg.C (Oven)
1
AK
1- 5
QACC-A088WRE0
Power supply cord
1
AW
1- 6
FH-DZA088WRK0
High voltage rectifier assembly
1
AP
1- 6
FH-DZA092WRK0
High voltage rectifier assembly (Interchangeable)
1
AK
1- 6
FH-DZA094WRKZ
High voltage rectifier assembly (Interchangeable)
1
AU
1- 7
RC-QZA289WRZZ
High voltage capacitor
1
AU
1- 7
RC-QZA208WRE0
High voltage capacitor(Interchangeable)
1
AU
1- 7
RC-QZA178WRE0
High voltage capacitor(Interchangeable) for production use
1
--
1- 8
RV-MZA308WRZZ
Magnetron
1
BL
1- 8
RV-MZA294WRE0
Magnetron (Intercahngeable)
1
BL
1- 9
RMOTEA403WRZZ
Fan motor
1
AZ
1- 9
RMOTEA340WRE0
Fan motor (Interchangeable)
1
AX
1- 9
RMOTEA389WRE0
Fan motor (Interchangeable) for production use
1
--
1-10
QFS-CA026WRRZ
Fuse F10A
1
AH
1-11
RLMPTA083WRZZ
Oven lamp
1
AM
1-12
RMOTDA230WRE0
Turntable motor
1
AW
1-12
RMOTDA173WRE0
Turntable motor (Interchangeable)
1
AX
1-12
RMOTDA169WRE0
Turntable motor (Interchangeable)
1
AW
1-13
RTHM-A117WRE0
Thermal cut-out 95 deg.C (MG)
1
AK
1-13
RTHM-A079WRE0
Thermal cut-out 95 deg.C (MG) (Interchangeable)
1
AH
1-14
RTRN-A693WRZZ
High voltage transformer
1
BL
1-15
QFS-IA001WRE0
High voltage fuse 0.7A
1
AQ
CABINET PARTS
2- 1
GCABUA866WRPZ
Outer case cabinet
1
BF
2- 2
GDAI-A343WRWZ
Bottom plate
1
AX
2- 3
GLEGPA074WRE0
Foot
1
AC
CONTROL PANEL PARTS
3- 1
DPWBFC294WRKZ
Power unit
1
BK
3- 1A
QCNCMA446DRE0
2-pin connector(CN-A)
1
AC
3- 1B
QCNCMA275DRE0
2-pin connector(CN-B)
1
AB
3- 1C
FW-VZA250DRE0
9pin wire harness (CN-C)
1
AF
C1
VCEAB31EW108M
Capacitor 1000uF 25V
1
AE
D1-D4
RH-DZA006PRE0
Diode (1N4002)
4
AD
Q1
VS2SB1238//-3
Transistor (2SB1238)
1
AA
R1
VRD-B12EF102J
Resistor 1k ohm 1/4W
1
AA
R2
VRS-B13AA331J
Resistor 330 ohm 1W
1
AA
RY1
RRLY-A094DRE0
Relay (OMIF-S-112LM)
1
AN
RY2
RRLY-A105DRE0
Relay (OMIF-S-112LM)
1
AN
SP1
RALM-A014DRE0
Buzzer (PKM22EPT)
1
AG
T1
RTRNPA145DRZZ
Transformer
1
AS
VRS1
RH-VZA032DRE0
Varistor (10G471K)
1
AE
ZD1
VHEHZ12C3//-1
Zener diode (HZ12C3)
1
AD
3- 2
DPWBFC295WRKZ
CPU unit
1
BF
3- 3
FPNLCB673WRKZ
Panel sub assy
1
BB
3- 3-1
FUNTKB131WREZ
Key unit
1
AX
3- 4
PSHEPA588WRE0
LED sheet
1
AE
3- 5
LHLD-A205WRF0
LCD holder
1
AF
3- 6
XEPSD30P08XS0
Screw ; 3mm x 8mm
4
AA
OVEN PARTS
4- 1
PCUSUA191WRP0
Cushion
1
AC
4- 2
PPACGA084WRF0
TTM packing
1
AF
4- 3
PHOK-A133WRFZ
Latch hook
1
AK
4- 4
LBNDKA161WRWZ
Capacitor holder
1
AD
4- 5
NFANJA029WRE0
Fan blade
1
AK
4- 6
PDUC-A790WRWZ
Fan duct
1
AZ
4- 7
FOVN-A508WRTZ
Oven cavity
1
BF
4- 8
LANGFA196WRWZ
Chassis support
1
AG
4- 9
PCUSGA321WRPO
Cushion
1
AH
4-10
PCUSGA399WRE0
Cushion
1
AF
4-11
LANG-A078WRWZ
Barrier
1
AF
4-12
NCPL-A053WRFZ
Coupling
1
AE
R-555(SL)
31
1
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
3
4
5
6
1
2
3
4
5
6
OVEN AND CABINET PARTS
4-10
7-5
7-5
7-5
7-5
2-1
4-13
4-18
4-14
4-2
6-4
7-6
1-12
7-1
4-1
7-5
1-7
4-22
1-8
4-16
1-6
7-1
7-1
4-25
2-3
7-5
7-5
7-6
7-1
4-26
1-9
4-6
1-3
1-2
1-10
1-15
7-7
4-9
7-2
1-13
7-3
4-8
4-4
4-15
4-18
7-6
7-6
1-4
4-7
4-11
4-20
7-4
4-23
7-8
4-18
7-6
4-19
4-24
4-12
6-2
6-1
7-6
4-5
2-2
7-1
4-3
7-3
1-1
1-1
7-1
1-14
1-5
7-6
1-5
6-6
4-17
1-11
7-1
4-21
4-24
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