DOWNLOAD Sharp R-795M (serv.man16) Service Manual ↓ Size: 1.39 MB | Pages: 42 in PDF or view online for FREE

Model
R-795M (serv.man16)
Pages
42
Size
1.39 MB
Type
PDF
Document
Service Manual
Brand
Device
Home Appliance / Microwave Oven / Complete
File
r-795m-sm16.pdf
Date
PREV: Sharp R-795M (serv.man15) Service Manual

Sharp R-795M (serv.man16) Service Manual ▷ View online

R-795M- 
33
Figure O-5(b) Oven Schematic-Dual cooking Condition (Microwave and Bottom Grill mode)
Figure O-5(a) Oven Schematic-Dual cooking Condition (Microwave and Top Grill mode)
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. DUAL GRILL KEY TOUCHED ONCE.
4. MICROWAVE POWER LEVEL ENTERED.
5. STRAT KEY TOUCHED.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. DUAL GRILL KEY TOUCHED TWICE.
4. MICROWAVE POWER LEVEL ENTERED.
5. STRAT KEY TOUCHED.
OL
TTM
OVEN  LAMP
FAN MOTOR
TURNTABLE MOTOR
TOP GRILL HEATING ELEMENT 
BOTTOM HEATING ELEMENT
H.V. RECTIFIER
MAGNETRON
HIGH VOLTAGE 
TRANSFORMER
T/C TRANSFORMER
CAPACITOR
1.13 
µ
F
AC2100V
CONTROL UNIT
A7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1 
STOP SWITCH
MONITORED LATCH SWITCH
THERMISTOR
MG.
THERMAL
CUT-OUT
OVEN
THERMAL
CUT-OUT
MONITOR 
SWITCH
4700p/ 250V
4700p/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22
µ
/250V
FUSE20A
FUSE F8A
NOISE 
FILTER
L
N
230 - 240V ~ 50Hz
BRN/15
BLU/15
G-Y/15
EARTH
LIVE
NEUTRAL
NC.
NC.
 ASYMMETRIC
 RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
OL
TTM
OVEN  LAMP
FAN MOTOR
TURNTABLE MOTOR
TOP GRILL HEATING ELEMENT 
BOTTOM HEATING ELEMENT
H.V. RECTIFIER
MAGNETRON
HIGH VOLTAGE 
TRANSFORMER
T/C TRANSFORMER
CAPACITOR
1.13 
µ
F
AC2100V
CONTROL UNIT
A7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1 
STOP SWITCH
MONITORED LATCH SWITCH
THERMISTOR
MG.
THERMAL
CUT-OUT
OVEN
THERMAL
CUT-OUT
MONITOR 
SWITCH
4700p/ 250V
4700p/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22
µ
/250V
FUSE 20A
FUSE F8A
NOISE 
FILTER
L
N
230 - 240V ~ 50Hz
BRN/15
BLU/15
G-Y/15
EARTH
LIVE
NEUTRAL
NC.
NC.
 ASYMMETRIC
 RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
SCHEMATIC DIAGRAMS
R-795M
 - 
34
Figure S-1. Pictrorial Diagram
PICTORIAL DIAGRAM
WHT
WHT
BLK
WHT
TC2: OVEN 
THERMAL 
 
CUT-OUT
TC1:
MG. THERMAL
 CUT-OUT
OL: OVEN LAMP 
ORG
RED
WHT
1 BRN
2
3 ORG
4
5 GRY
6
7 WHT
COM
GRY
GRY
BLU
GRY
RED
WHT
N.C.
NC
COM
SW2: STOP 
 
SWITCH
NO
COM
GH1: TOP GRILL 
 
HEATING ELEMENT
GH2: BOTTOM 
 
HEATING 
 
ELEMENT
GRY
RED
WHT
BRN
BLU
GRN
GRN
GRN
BLU
TTM: 
TURNTABLE
MOTOR
T/C TRANSFORMER
SW3:
MONITOR
SWITCH
SW1: 
MONITORED
LATCH 
SWITCH
ORG
ORG
BLU
RED
BRN
BRN
RED
RED
RED
RED
ORG
RED
BLK
BLU
GRY
CN-A
1
CN-B
2
RED
GRN
RED
GRY
GRY
ORG
RED
NOISE FILTER
L
TP
F 8 A
TL
RED
20 A
WHT
N
ORG
ORG
1 BLU
2
3 BRN
4
5 ORG
6
7 RED
FM: FAN         MOTOR
GRY
RED
WHT
HIGH VOLTAGE COMPONENTS
G–Y
POWER SUPPLY CORD
NEUTRAL
LIVE
EARTH
CN-B
11
2
2
1
SP1
RY2
RY4
RY3
CONTROL PANEL
CN-A
CN-E
RY5
1
1
7
7
CN-F
CN-E
WH-1
CN-1
IC-1
CN-G
RY1
RY6
MG: MAGNETRON
H.V.WIRE B
T:
C:
H.V. 
CAPACITOR
H.V.
RECTIFIER
ASYMMETRIC RECTIFIER
 HIGH VOLTAGE  TRANSFORMER
RED
BRN
BRN
BRN
WHT
R-795M- 
35
Figure S-2. Power Unit Circuit
E 1
WH1-3
WH1-6
WH1-9
WH1-5
WH1-8
WH1-1
WH1-2
WH1-n
WH1-10
WH1-12
WH1-13
WH1-14
WH1-15
WH1-11
E 3
E 5
E 7
T1
AC230-240V
50Hz
FAN MOTOR
OVEN
THERMISTOR
GND
GND
R3 510 1w
R6 200 1w
Q2
KTA1274
Q3
KRC243M
R4 510 1w
D11-D14
1N4005E
or
1N4004S
RY5
a
b
c
d
D11
D12
D13
D14
C1
VRS1
(J1)
(J2)
D5
RY6
D6
RY1
D1
R2
1.5k
ZD2
HZ20-1
RY4
D4
RY3
D3
RY2
D2
10G471K
C3
C2 1000
µ
/35v
C5
10
µ
/35v
C4 10
µ
/35v
R5 3.3k
SP1
VC
WH1-7
NC
BUZZER
VR
INT
POWER
CONTROL
STOP
SWITCH
NC
BOTTOM
HEATING
ELEMENT
GRILL
HEATING
ELEMENT
HIGH VOLTAGE
TRANSFORMER
STOP
SWITCH
OVEN LAMP
TURNTABLE
MOTOR
DOOR OPEN
CONTACT 
A 1
A 3
A 5
C 3
A 7
N O
N O
N O
N O
COM
COM
COM
COM
B 2
B 1
NOTE 1.
NOTE 2.
+
–
+
–
+
–
: IF NOT SPECIFIED, 1/4W ± 5% 
15P WIRE HARNESS 
: IF NOT SPECIFIED, 0.1µF / 50V 
: IF NOT SPECIFIED, 1SS270A
C 1
WH1-4
POWER UNIT CIRCUIT DIAGRAM
R-795M
 - 
36
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
Ready
Meals
Roast
Pork
AUTO
COOK
Crispy
Potatoes
Roast Beef/ Lamp
Roast
Poultry
POWER
LEVEL
STOP
CLEAR
PIZZA
10sec.
1min.
10min.
GRILL
BREAKFAST
MORE
Chicken
Quarters
Chicken
Portions
Whole
Poultry
CONV
(˚
C)
DUAL
GRILL
Meat
Joint
CN-G
(B)
(A)
(D)
(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
IC1
LIQUID CRYSTAL DISPLAY
OVEN LAMP
TURNTABLE
MOTOR
OVEN
THERMISTOR
NC
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)
(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
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
START
AUTO MINUTE
KITCHEN TIMER
CLOCK SET
CPU UNIT CIRCUIT DIAGRAM
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