Sharp R-895M (serv.man15) Service Manual ▷ View online
R-895M - 37
Figure S-3. CPU Unit Circuit
D-5
D-6
D-10
D-1
D-2
D-4
G 9
G10
G11
G12
D-15
C9
C8
+
–
+
–
C10 47µ
/16v
C15
1µ
/50v
C21 0.1
µ
/50v
C60 330p/50v
C61 330p/50v
C62 330p/50v
C63 330p/50v
D22
D23
D30
R31 15k
R81 1.5kF
R83 15k
R82 27kF
R16 330
R72 100k
R73 100k
R74 100k
CF1 4.0MHz
Pie/
Quiche
Ready
Meals
Rice/
Pasta
Italian
Dish
Indian
Dish
Roast
Pork
Chinese
Dish
Crispy
Potatoes
Roast Beef/ Lamp
Crispy Crumb Foods
DUAL
CONV. / GRILL
Roast
Poultry
POWER
LEVEL
STOP
CLEAR
PIZZA
Desserts
10sec.
1min.
10min.
GRILL
BREAKFAST
MORE
Chicken
Quarters
Whole
Poultry
CONV
(˚
C)
Meat
Joint
CN-G
(B)
(A)
(D)
(F)
(C)
(E)
(G)
R75 100k
C13
0.1µ
/50v
C30
C80
C12
0.1µ
/50v
C14
Q11
KRA101S
LD1
LD2
LD3
LD4
LD5
LD10
LD9
LD8
LD7
LD6
Q10
2SA1037AK
GND
51pin
1pin
Q40
KRA101S
Q28
KRA101S
Q24
KRA101S
IC1
LIQUID CRYSTAL DISPLAY
OVEN LAMP
TURNTABLE
MOTOR
OVEN
THERMISTOR
CONVECTION
MOTOR
POWER
BUZZER
VR
VC
GND
INT
TOP GRILL
HEATING
ELEMENT
BOTTOM
HEATING
ELEMENT
NOTE
: IF NOT SPECIFIED, 1/16W
±
5%
: IF NOT SPECIFIED, 1SS355
: IF NOT SPECIFIED, 0.01
µ
F / 50V
HIGH
VOLTAGE
TRANSFORMER
STOP
SWITCH
NC
Q23
KRA101S
Q22
KRA105S
Q21
KRA105S
Q20
KRA105S
(D:P23)
(F:P26)
(A:P20)
(B:P21)
(G:P27)
(C:P22)
R6 330
R7
330
Q2
2SA1037AK
R4 22
R68 15k
R56
1M
R69 15k
R70 15k
R71 15k
D6
D5
R5 4.7k
R30
4.7k
R15
4.7k
ZD10
UDZ4.3B
(J18)
(J21) 4.7k
(J20) 4.7k
(J19)
(J13) 4.7k
(J10)
(J14) 4.7k
(J15) 4.7k
(J11)
(J12)
R10 1k
R12 15kR13 15k
R14 15k
R11 4.7k
D-13
D-12
D-14
D-11
D-7
D-9
SEG10
C1
1
5
10
15
20
25
30
51
55
60
65
70
75
80
31
35
40
45
50
81
85
90
95
VL1
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AN0
P57
P56
P55
P54
P53
P52
P51
P50
P47
P46
P45
P44
TOUT
INT2
P41
P40
P77
P76
P75
P74
SEG11
SEG12
SEG13
SEG14
SEG15
SEG39
SEG38
SEG37
SEG36
SEG35
SEG34
SEG33
SEG32
SEG31
NC
NC
NC
NC
NC
NC
NC
COM3
COM2
COM1
NC
NC
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
P73
C2
VL2
VL3
COM0
COM1
COM2
COM3
AVSS
VREF
VCC
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
P72
P71
INT0
RESET
XCIN
XCOUT
XIN
XOUT
VSS
P27
P26
P25
P24
P23
P22
P21
P20
P17
P16
nfo
LBS
KG
OZ
PCS
%
˚C
COOK SENSOR DEFROST AUTO
C11 0.1µ
/50v
R19 330
Q25
KRA101S
FAN MOTOR
(E:P25)
D-8
R18 330
R17 330
D-3
C50 4.7k
G 8
G 7
G 6
G 5
G 4
G 3
G 2
G 1
R60 15k
R61 15k
R62 15k
R63 15k
R64 15k
R65 15k
R66 15k
R67 15k
UP
LESS
DOWN
info
START
AUTO MINUTE
KITCHEN TIMER
CLOCK SET
CPU UNIT CIRCUIT DIAGRAM
R-895M - 38
Figure S-4. Printed Wiring Board of Power Unit
WH1
ZD2
1
1
CN-B
CN-A
CN-E
D12
17
(J1)
D13
CN-C
RY6
RY7
OL : TTM
CH : BH
FM
CF
91
TH
23
R6
D1
D3
MICRO
1
R4
R3
D7
D6
VRS1
R5
SP1
R2
JP2
(J2)
JP3
JP4
JP1
RY2
RY1
RY3
RY4
RY5
POWER CONT
D4
D5
15
C5
C4
C3
C1
D11
D14
C2
B
B
E
E
Q3
Q2
D2
PRINTED WIRING BOARD OF POWER UNIT DIAGRAM
R-895M - 39
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
FH-HZA075WRE0
U
Thermistor
1
AN
1- 2
RTRN-A529WRE0
U
TC transformer
1
AV
1- 3
QACCBA004URE3
U
Power supply cord
1
AT
1- 4
FH-DZA035WRE0
U
High voltage rectifier assembly
1
AP
1- 5
FPWBFA309WRE2
U
Noise filter
1
AT
1- 6
QFS-CA025WRE0
U
Fuse F8A
1
AC
1- 7
QFS-BA009WRE0
U
Fuse 20A
1
AC
1- 8
RMOTEA373WRE0
U
Convection motor
1
AV
1- 9
RC-QZA240WRE0
U
High voltage capacitor
1
AR
1-10
RTHM-A098WRE0
U
Thermal cut-out 125˚C off(MG)
1
AH
1-11
RTHM-A124WRZZ
U
Thermal cut-out 145˚C off 115˚C on (OVEN)
1
AH
1-12
RHET-A255WRZZ
U
Top grill heating element
1
AT
1-13
RHET-A248WRZ1
U
Bottom grill heating element
1
AW
1-14
QSW-MA146WRZZ
J
Monitored latch switch
1
AC
1-15
QSW-MA147WRZZ
J
Stop switch
1
AG
1-16
QSW-MA146WRZZ
J
Monitor switch
1
AC
1-17
RMOTEA002URE1
U
Fan motor
1
AW
1-18
RLMPTA066WRE0
U
Oven lamp
1
AK
1-19
RTRN-A019URE0
U
High voltage transformer
1
BF
1-20
RV-MZA243WRE1
U
Magnetron
1
BH
1-21
RMOTDA227WRE0
U
Turntable motor
1
AU
CABINET PARTS
2- 1
GCABDA001URP2
U
Back plate
1
AQ
2- 2
GCABDA002URP0
U
Sub back plate
1
AH
2- 3
GCABUW045URP0
U
Outer case cabinet
1
AW
2- 4
GDAI-A002URP0
U
Base plate
1
AR
2- 5
GLEGPA057WRE1
U
Foot
2
AB
CONTROL PANEL PARTS
3- 1
DPWBFA184URK0
U
Power unit
1
BC
3- 1A
QCNCMA453DRE0
U
5-pin connector (CN-A)
1
AC
3- 1B
QCNCMA414DRE0
U
2-pin connector (CN-B)
1
AB
3- 1C
QCNCMA410DRE0
U
2-pin connector (CN-C)
1
AB
3- 1D
QCNCMA230DRE0
U
4-pin connector (CN-E)
1
AC
3- 1E
FW-VZA266DREZ
U
15pin wire harness (WH-1)
1
AH
C1
RC-KZA087DRE0
U
Capacitor 0.1 uF 50V
1
AB
C2
VCEAG31VW108M
U
Capacitor 1000 uF 35V
1
AE
C3
RC-KZA087DRE0
U
Capacitor 0.1 uF 50V
1
AB
C4-5
VCEAG31VW106M
U
Capacitor 10 uF 35V
2
AB
D1-7
VHD1SS270A/-1
U
Diode (1SS270A)
7
AA
D11-14
VHD1N4005E/-2
U
Diode (1N4005E)
4
AA
D11-14
VHD1N4004S/-1T U
Diode (1N4004S) (Interchangeable)
4
AA
Q2
VSKTA1274//-3
U
Transistor (KTA1274)
1
AA
Q3
VSKRC243M//-3
U
Transistor (KRC243M)
1
AB
R2
VRD-B12EF152J
U
Resistor 1.5K ohm 1/4W
1
AA
R3-4
VRS-B13AA511J
U
Resistor 510 ohm 1W
2
AB
R5
VRD-B12EF332J
U
Resistor 3.3K ohm 1/4W
1
AA
R6
VRS-B13AA201J
U
Resistor 200 ohm 1W
1
AB
RY1
RRLY-A117DRE0
U
Relay (DU18D1-1P(M)-R)
1
AG
RY2
RRLY-A122DRE0
U
Relay (DU18D1-1P(M)-R-S)
1
AG
RY3-4
RRLY-A113DRE0
U
Relay (DU24D1-1P(M)-R)
2
AG
RY5-7
RRLY-B004MRE0
U
Relay (FTR-F3AA024E)
3
AL
SP1
RALM-A014DRE0
U
Buzzer (PKM22EPT)
1
AG
VRS1
RH-VZA034DRE0
U
Varistor (10G471K)
1
AD
ZD2
VHEHZ201///-1
U
Zener diode (HZ20-1)
1
AB
3- 2
DPWBFC239WRKZ
U
CPU unit
1
BC
3- 3
FUNTKC135URE0
U
Key unit
1
AS
3- 4
HPNLCA123URR0
U
Control panel frame
1
AV
3- 5
LHLD-A007URF1
U
LCD holder
1
AD
3- 6
PSHEPA647WRE0
U
LCD sheet
1
AL
3- 7
XEPSD30P10XS0
U
Screw : 3mm x 10mm
6
AA
OVEN PARTS
4- 1
DOVN-A023URK0
U
Oven cavity
1
BG
4- 2
LBNDKA107WRP1
U
Capacitor holder
1
AD
4- 3
FDUC-A003URY0
U
Air duct assembly
1
AL
4- 4
LANGQA005URP0
U
Air separate angle B
1
AC
4- 5
PDUC-A636WRP1
U
Air guide duct
1
AM
4- 6
PFILWA001URP0
U
Lamp filter
1
AB
4- 7
PHOK-A002URF1
U
Latch hook
1
AH
4- 8
LANGQA014URP0
U
Turntable motor angle
1
AE
4- 9
PCUSUA019URE0
U
Cushion
1
AA
4-10
FANGTA003URY0
U
Turntable motor shaft assembly
1
AL
4-11
PPACGA002URE0
U
Seal packing
1
AB
4-12
NFANJA038WRE0
U
Fan blade
1
AF
∆
∆
R-895M - 40
*
∆
∆
∆
∆
REF. NO.
PART NO.
§ DESCRIPTION Q'TY CODE
Note: The parts marked "
∆
" may cause undue microwave exposure. / The parts marked "*" are used in
voltage more than 250V. / "§" Mark: Spare parts delivery section
PARTS LIST
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.
3. PART NO.
4. DESCRIPTION
4-13
PDUC-A637WRF2
U
Fan duct
1
AL
4-14
NFANMA002URP0
U
Cooling fan
1
AF
4-15
GCOVHA001URP1
U
Bottom heater cover
1
AM
4-16
LANGFA155WRP7
U
Chassis support
1
AF
4-17
PPACGA001URE0
U
Heater packing
1
AD
4-18
LANGQA008URP0
U
Grill heater angle
2
AD
4-19
NFANMA001URP0
U
Convection fan
1
AD
4-20
PSPAGA001WRE0
U
Vibration proof cushion
1
AA
4-21
PCUSUA006URE0
U
Air cushion B
1
AA
4-22
PCOVQA002URP0
U
Heater cover
1
AD
4-23
PCOVPA308WRE1
U
Waveguide cover
1
AE
4-24
PCUSUA015URE0
U
Back plate cushion
1
AB
4-25
PPIP-A001UR10
U
Pipe
1
AE
4-26
PCOVQA001URP0
U
Rear heat cover
1
AP
4-27
PDUC-A606WRF1
U
Air intake duct
1
AK
4-28
PDUC-A008URP0
U
Exhaust duct
1
AK
4-29
PSKR-A308WRF0
U
Rear barrier
1
AH
4-30
PDUC-A003URP0
U
Convection duct
1
AL
4-31
PCUSUA012URE0
U
Air defect cushion
1
AB
4-32
LANGQA004URP0
U
Convection air angle
2
AN
DOOR PARTS
5- 1
DDORFA766WRK0
U
Door panel assembly
1
BE
5- 2
GWAKPA103URR0
U
Door frame
1
AU
5- 3
LSTPPA017URF0
U
Latch head
1
AG
5- 4
LHLD-A012URF0
U
Glass holder
1
AB
5- 5
MSPRTA197WREZ
U
Latch spring
1
AC
5- 6
PGLSPA027URE0
U
Front door glass
1
AN
5- 7
JHNDPA012URT0
U
Door handle A
1
AK
5- 8
JHNDPA013URT0
U
Door handle B
1
AR
5- 9
XETSD40P30000
U
Screw : 4mm x 30mm
2
AA
5-10
XEBSD30P08000
U
Screw : 3mm x 8mm
3
AA
5-11
XEBSD30P06000
U
Screw : 3mm x 6mm
4
AA
5-12
GCOVHA365WRF3
U
Choke cover
1
AM
MISCELLANEOUS
6- 1
FAMI-A072WRK2
U
High rack
1
AT
6- 2
FAMI-A095WRK1
U
Low rack
1
AR
6- 3
LHLDKA008WRF1
U
P-clip
1
AA
6- 4
CTNT-A005URK0
U
Turntable tray
1
AY
6- 5
FW-VZA061URE1
U
Stop switch harness
1
AE
6- 6
TCAUHA001WRR1
U
Caution label
1
AC
6- 7
QW-QZA210WRE1
U
High voltage wire B
1
AD
6- 8
FW-VZA098URE0
U
Main harness
1
AX
6- 9
TINS-A286URR0
U
Quick start guide
1
AD
6-10
TINS-A285URR0
U
Operation manual
1
AS
SCREWS,NUTS AND WASHERS
7- 1
XHPSD40P08K00
U
Screw: 4mm x 8mm
1
AA
7- 2
LX-NZ0061WRE0
J
M4 Flange nut
4
AA
7- 3
XWWSD50-06000
J
Washer: 5mm x 0.6mm
1
AA
7- 4
XOTSE40P10000
J
Screw: 4mm x 10mm
4
AA
7- 5
XHPSD40P06000
J
Screw: 4mm x 6mm
3
AA
7- 6
XHTSD40P08RV0
J
Screw: 4mm x 8mm
6
AA
7- 7
XOTWW40P06000
J
Screw: 4mm x 6mm
10
AA
7- 8
XBTSD40P05000
U
Screw: 4mm x 5mm
2
AA
7- 9
XNEUW40-32000
J
Nut: 4mm x 3.2mm
1
AA
7-10
XOTSD40P12RV0
J
Screw: 4mm x 12mm
2
AA
7-11
XRESE40-06000
U
Ring
1
AA
7-12
XWHUW40-08000
U
Washer: 4mm x 0.8mm
1
AA
7-13
XWSUW40-10000
U
Washer: 4mm x 1.0mm
1
AA
7-14
XEPSD40P25000
J
Screw: 4mm x 25mm
2
AA
7-15
XBPWW30P05K00
J
Screw: 3mm x 5mm
2
AA
7-16
XWHUW50-08000
J
Washer: 5mm x 0.8mm
1
AA
7-17
XEBSD30P06000
U
Screw: 3mm x 6mm
3
AA
7-18
LX-CZA001URE0
U
Special screw
24
AA
7-19
XFPSD50P10KS0
U
Screw: 5mm x 10mm
2
AB
7-20
LX-EZA045WRE0
J
Special screw (TTM cover mounting screw)
1
AA
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