Sharp R-254M (serv.man5) Service Manual ▷ View online
R-254M - 29
Figure S-3. Control Panel Circuit
CONTROL PANEL CIRCUIT DIAGRAM
+
–
+
–
C 4
GND
C 3
GND
VC
INT
VR
BUZZER
BUZZER
NC
OVEN LAMP
TURNTABLE
MOTOR
FAN MOTOR
HIGH
VOLTAGE
TRANSFORMER
STOP
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
IXA083DR
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
COM1
COM2
P41
P40
RESET
P71
C1 0.1
µ
/50v
C2 0.1
µ
/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
0.1
µ
/50v
C5
0.01
µ
/50v
C3 47
µ
/16v
C40
0.01
µ
/50v
P70
XIN
XOUT
VSS
P27
P26
P25
P24
P23
P22
P21
P20
COM3
AVSS
VREF
VCC
SEG0
SEG1
SEG2
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) 4.7k
(J15) 4.7k
(J17) 4.7k
(J10)
(J12)
(J14)
(J16)
R90 4.7k
R91
1M
R68 15k
R69 15k
R70 15k
R71 15k
RR 200
D22
1SS355
ZD20
UDZ22B
D20
DAP202U
NOTE
: IF NOT SPECIFIED, 1/10W
±
5%
D21
1SS355
BACK LIGHT
LD1-LD5
Q30
DTA143EKA
Q2
2SA1037AK
Q3
2SA1037AK
Q20
DTA143EKA
Q21
DTD143EK
Q22
DTA123JKA
Q24
2SA1037AK
LD1
LD2
LD3
LD4
LD5
R8 15k
C6 0.01
µ
/50v
330pF/50v
C63
330pF/50v
C62
330pF/50v
C61
330pF/50v
C60
C20
0.1
µ
/50v
CF1
CST4.00MGW
C21
10
µ
/35v
C7 0.01
µ
/50v
ZD1
UDZ4.3B
CPU UNIT
KEY UNIT
ROAST BEEF / LAMB
WHOLE POULTRY
CHICKEN QUARTERS
ROAST PORK
PASTA DISH
RISOTTO
MEAT JOINT
ROAST POULTRY
DOWN
LESS
MORE
UP
KITCHEN
TIMER
CLEAR
AUTO MINUTE
STOP
START
DELAY START
CLOCK SET
KG / LB
CONVERSION
AUTO
COOK
POWER
LEVEL
CASSEROLE
R-254M - 30
Figure S-4. Printed Wiring Board
PRINTED WIRING BOARD 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
R-254M - 31
Note: The parts marked "
∆
" may cause undue microwave exposure. / The parts marked "*" are used in
voltage more than 250V. / "§" Mark: Spare parts delivery section
REF. NO.
PART NO.
§
DESCRIPTION
Q'TY CODE
PARTS LIST
*
∆
*
*
*
*
ELECTRIC PARTS
1- 1
RH-DZA048WRE0
U
High voltage rectifier
1
AM
1- 2
FPWBFA308WRE2
U
Noise filter
1
AQ
1- 3
QACCBA030WRE4
U
Power supply cord
1
AK
1- 4
RV-MZA264WRE0
U
Magnetron
1
BK
1- 5
RC-QZA297WRZZ
U
High voltage capacitor
1
AN
1- 6
QSW-MA147WRZZ
J
Monitored latch switch
1
AC
1- 7
QSW-MA146WRZZ
U
Monitor switch
1
AC
1- 8
QSW-MA147WRZZ
J
Stop switch
1
AC
1- 9
RMOTEA003WRE0
U
Fan motor
1
AQ
1-10
QFS-CA025WRE0
U
Fuse F8A
1
AC
1-11
RLMPTA066WRE0
U
Oven lamp
1
AK
1-12
RMOTDA226WRE0
U
Turntable motor
1
AQ
1-13
RTHM-A122WRZZ
U
Thermal cut-out 125˚C (OVEN)
1
AG
1-14
RTRN-A015URE1
U
High voltage transformer
1
BE
CABINET PARTS
2- 1
GCABUA573WRT0
U
Outer case cabinet R-254(W)M
1
AT
2- 1
GCABUA027URP0
U
Outer case cabinet R-254(SL)M
1
AT
2- 2
GLEGPA057WRE0
U
Foot
2
AB
CONTROL PANEL PARTS
3- 1
DPWBFA127URK0
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.}
1
AG
3- 1D
QPLGN1378GEZZ
U
13-pin PWB connector (CN-C) {See Note 1.}
1
AA
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
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
DPWBFC140WRKZ
U
CPU unit
1
BC
3- 3
QSW-KA001DRZZ
U
FPC membrane {See Note 2.}
1
AS
3- 4
PSHEPA049URE0
U
Graphic sheet [R-254(W)M] {See Note 2.}
1
AM
3- 4
PSHEPA050URE0
U
Graphic sheet [R-254(SL)M] {See Note 2.}
1
AM
3- 5
GCOVHA033URF0
U
Key fixing frame
1
AL
3- 6
HPNLCS029URR0
U
Control panel frame [R-254(SL)M]
1
AV
3- 6
HPNLCW069URR0
U
Control panel frame [R-254(W)M]
1
AL
3- 7
XEPSD30P10XS0
U
Screw : 3mm x 10mm
2
AA
OVEN PARTS
4- 1
DOVN-A013URT1
U
Oven cavity
1
BA
4- 2
LBNDKA111WRP0
U
H.V. Capacitor holder
1
AD
4- 3
PHOK-A001URF1
U
Latch hook
1
AH
4- 4
NFANJA029WRE0
U
Fan blade
1
AM
4- 5
PDUC-A638WRF2
U
Fan duct
1
AE
4- 6
LANGFA169WRP6
U
Chassis support
1
AE
4- 7
PPACGA002URE0
U
Seal packing
1
AB
4- 8
PCUSUA017URE0
U
HVC deflect cushion
1
AC
4- 9
PCOVPA309WRE0
U
Waveguide cover
1
AC
4-10
PDUC-A581WRF3
U
Air intake duct
1
AE
4-11
GDAI-A280WRP1
U
Base plate
1
AQ
4-12
PSPAGA001WRE0
U
Vibration proof cushion
1
AA
Note 1. : It is better to use one pair of QW-QZA010URE0 and QPLGN1378GEZZ.
Note 2. : It is better to use one pair of a FPC membrane and a Graphic sheet as a Key unit.
R-254M - 32
Note: The parts marked "
∆
" may cause undue microwave exposure. / The parts marked "*" are used in
voltage more than 250V. / "§" Mark: Spare parts delivery section
REF. NO.
PART NO.
§
DESCRIPTION
Q'TY
CODE
HOW TO ORDER REPLACEMENT PARTS
To have your order filled promptly and correctly, please furnish the following information.
1. MODEL NUMBER
3. PART NO.
2. REF. NO.
4. DESCRIPTION
DOOR PARTS
5
CDORFW019URK0
U
Door assy (R-254(W)M)
1
BA
5
CDORFS015URK0
U
Door assy (R-254(SL)M)
1
BA
5- 1
FDORFA299WRT1
U
Door panel assembly
1
AU
5- 2
GCOVHA366WRF0
U
Choke cover
1
AG
5- 3
GWAKPW036URF0
U
Door frame R-254(W)M
1
AT
5- 3
GWAKPS024URT0
U
Door frame R-254(SL)M
1
AT
5- 4
PGLSPA003URE0
U
Outer door glass
1
AL
5- 5
LSTPPA013URF0
U
Latch head
1
AD
5- 6
MSPRTA141WRE0
U
Latch spring
1
AA
5- 7
PSHEPA482WRE0
U
Inner sealer film
1
AH
5- 8
LSTPPA012URF0
U
Glass stopper
1
AB
5- 9
XEBSD30P06000
U
Screw : 3mm x 6mm
5
AA
5- 10
JHNDPL003URF0
U
Handle cover A (R-254(W)M)
1
AD
5- 10
JHNDPR004URF0
U
Handle cover A (R-254(SL)M)
1
AD
5- 11
JHNDPL004URF0
U
Handle cover B (R-254(W)M)
1
AD
5- 11
JHNDPR005URF0
U
Handle cover B (R-254(SL)M)
1
AD
MISCELLANEOUS
6- 1
FROLPA070WRK3
U
Roller stay
1
AM
6- 2
NTNT-A060WRE0
U
Turntable
1
AN
6- 3
TINS-A254URR0
U
Operation manual/ Cookbook
1
AL
6- 5
QW-QZA001URE0
U
High voltage wire B
1
AE
6- 6
FW-VZA060URE2
U
Main harness
1
AN
6- 7
PCLI-A001URE0
U
Harness clip
1
AA
6- 8
FW-VZA061URE0
U
Stop switch harness
1
AE
SCREWS,NUTS AND WASHERS
7- 1
LX-CZA001URE0
J
Screw: 4mm x 12mm
18
AA
7- 2
XHTSD40P08RV0
J
Screw: 4mm x 8mm
5
AA
7- 3
LX-LZA002URE0
U
Rivet
1
AA
7- 4
LX-NZA026WRE0
U
M4 Nyloc nut
1
AA
7- 5
XHPSD40P06000
J
Screw: 4mm x 6mm
2
AA
7- 7
XOTSE40P10000
J
Screw: 4mm x 12mm R-254(W)M
2
AA
7- 7
XOTSE40P12000
J
Screw: 4mm x 12mm R-254(SL)M
2
AA
7- 8
XJPSD40P10X00
U
Latch hook screw
1
AA
7- 9
LX-CZA030WRE0
J
Screw connection
1
AA
PARTS LIST
∆
∆
∆
∆
∆
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