Sharp R-899SL (serv.man12) Service Manual ▷ View online
R899(WH)
13 – 5
Figure O-5(b) Oven Schematic-COMBI-2 cooking Condition (Microwave and Top Grill mode)
Figure O-5(c) Oven Schematic-COMBI-3 cooking Condition (Microwave and Bottom Grill mode)
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COMBI 2 MODE SET.
3. COOKING TIME SET.
4. MICROWAVE POWER LEVEL SET.
5. STRAT BUTTON PRESSED.
1. DOOR CLOSED.
2. COMBI 2 MODE SET.
3. COOKING TIME SET.
4. MICROWAVE POWER LEVEL SET.
5. STRAT BUTTON PRESSED.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COMBI 3 MODE SET.
3. COOKING TIME SET.
4. MICROWAVE POWER LEVEL SET.
5. STRAT BUTTON PRESSED.
1. DOOR CLOSED.
2. COMBI 3 MODE SET.
3. COOKING TIME SET.
4. MICROWAVE POWER LEVEL SET.
5. STRAT BUTTON PRESSED.
OL
CM
TTM
OVEN
LAMP
CONVECTION MOTOR
FAN
M
OTOR
TURNTABLE
MOTOR
TOP
G
RILL
HEATING
ELEMENT
BOTTOM
H
EATING
E
LEMENT
H.V.
RECTIFIER
MAGNETRON
HIGH
VOLTAGE
TRANSFORMER
T/C
T
RANSFORMER
CAPACITOR 1.13
u
F
AC2100V
CONTROL
U
NIT
A9
A7
RY7
RY5
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1
SW2:-
STOP SWITCH
MONITORED LATCH SWITCH
THERMISTOR
MG.
THERMAL
CUT-OUT
OVEN
THERMAL
CUT-OUT
MONITOR
SWITCH
4700p/
250V
4700p/
250V
10M/
0.5W
NOISE
S
UPPRESSION
COIL
680
k/
0.5W
0.22u/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
NOTE: "
" indicates components with potentials above 250V
OL
CM
TTM
OVEN
LAMP
CONVECTION MOTOR
FAN
M
OTOR
TURNTABLE
M
OTOR
TOP
GRILL
H
EATING
E
LEMENT
BOTTOM
HEATING
ELEMENT
H.V.
RECTIFIER
MAGNETRON
HIGH
VOLTAGE
TRANSFORMER
T/C
TRANSFORMER
CAPACITOR 1.13
uF
AC2100V
CONTROL
UNIT
A9
A7
RY7
RY5
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/
2
50V
4700p/
250V
10M/
0.5W
NOISE
SUPPRESSION
COIL
680
k/
0.5W
0.22u/250V
FUSE
20A
FUSE F8A
NOISE
FILTER
L
N
230
-
240V
~
5
0Hz
BRN/15
BLU/15
G-Y/15 -
EARTH
LIVE
NEUTRAL
NC.
NC.
ASYMMETRIC
RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
R899(WH)
13 – 6
[2] Pictorial Diagram (Figure S-1)
Figure S-1. Pictorial Diagram
GRY
RED
WHT
HIGH
VOLTAGE
C
OMPONENTS
MAGNETRON
H.V. CAPACITOR
H.V. RECTIFIER
ASYMMETRIC RECTIFIER
HIGH
VOLTAGE
TRANSFORMER
WHT
WHT
BLK
WHT
MG.
THERMAL
CUT-OUT
OVEN
LAMP
ORG
RED
WHT
1
BRN
2
8
3O
R
G
4
5
GRY
6
7
WHT
9
BLU
COM
WHT
GRY
BLU
GRY
RED
WHT
N.C.
NC
COM
STOP SWITCH
NO
COM
TOP
GRILL
HEATING
ELEMENT
BOTTOM
HEATING
ELEMENT
GRY
RED
WHT
BRN
BLU
GRN
GRN
GRN
BLU
TURNTABLE MOTOR
T/C
TRANSFORMER
MONMITOR SWITCH
MONITORED LATCH SWITCH
ORG
ORG
BLU
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
F
ILTER
L
TP
F8A
TL
RED
20A
WHT
N
ORG
ORG
1
BLU
2
3
BRN
4
5
ORG
6
7
RED
FAN MOTOR
G–Y
POWER
S
UPPLY
CORD
NEUTRAL
LIVE
EARTH
CN-E
RED
BRN
BRN
BRN
WHT
THERMISTOR
2
3
1
BLK
BLK
CN-C
CONVECTION
MOTOR
BLU
BRN
BRN
RED
OVEN
THERMAL
CUT-OUT
RY
2
RY
1
RY
7
RY
6
RY
3
RY
4
RY
5
CN-H
CN-G
CN-F
CN-B CN-C
CN-A
CN-E
13
1
1
1
1
1
9
1
7
2
3
3
1
12
CONTROL
PANEL
R899(WH)
13 – 7
[3] Control Unit Circuit
Figure S-2. Control Unit Circuit
P47
P46
P45
P44
P43
P42
P41
P40
P37
P36
P35
P34
P33
P32
DV0
SEG4
SEG3
SEG2
SEG1
SEG0
COM3
COM2
COM1
COM0
V3
V2
V1
C1
C0
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
P55
P54
P53
P52
P51
SEG6
SEG5
P50
SEG13
SEG14
SEG15
SEG16
SEG11
SEG12
SEG10
ZD11
UDZS4.3B
Q31
B1
OL
TTM
MICRO
FAN
DOOR
SW.
S10K300E
T1
PA529WR
1N4002
x
4
D11-D14
C12
1000uF/35V
B2
RY1
RY2
510
1W
R12
510
1W
R51
39
D51
D
52
2SB1238
R54
4.7K
C42
10uF/35V
-
+
CN-B
917894-1
D13
D11
D12
D14
VRS1
(JPO)
RY5
D45
E3
A1
A3
A5
D46
D47
A7
A9
RY4
OMIF-S-124LM
LD6
LD8
LD3
LD9
LD2
LD5
LD7
LD10
LD1
LD4
R72
R74
R73
R71
R77
R76
R78
C73
C72
C74
R68
R67
R66
R65
R6 2
R61
R76-R79
100Kx4
C71-C74
330PF/50Vx4
G2
G3
G4
G5
G6
G7
G8
G12
G11
G10
G9
CN-G
KRA101S
3.3K
R40
C1
C3
P34
P35
P35
TEST
1
2
3
4
VDD
5
VSS
6
RESET
D49
D50
B
A
C
RSW1
A4
A8
A7
A3
SW10
SW7
SW12
SW4
SW1
A5
A6
G5
G6
G7
G8
G9
G10
G11
G12
D41
D43
D44
D42
D48
ZD49
HZ20-1
Q49
OMIF-S-124LM
RY3
G5NB-1A
D
C24V
G5NB-1A
DC24V
RY6
G5NB-1A
DC24V
RY7
KRA101S
KRA101S
KRA105S
KRC243M
KRA101S
KRA105S
KRA105S
KRA101S
KRA101S
4.7K
4.7K
C32
R32
R55
10Kx3
R57
R56
Q40
Q45
Q46
Q47
Q41
C41
0.01uF/50V
Q48
Q43
Q44
Q42
R49
1.5K
10K
R45
10K
27KF
1KF
R102
4.7K
R46
10K
C45
R103
R101
C101
R23
C17
CSTLS4M00G56-P18
CF1
1M
R99
R98
10K
SW13
SW6
SW5
SW8
SW11
SW9
SW3
SW2
P40
P21
P22
P20
P0
0
B.HEATER
T.HEATER
CONVECTION
POWER
DOWN
OVEN
TH
2SB1238
LIQUID
C
RYSTAL
D
ISPLAY
R22
1K
316879-1
CN-C
CN-A
SEG8
SEG7
SEG9
R11
BZ1
R21
CN-Z
10K
10K
10K
10K
100
4.7K
G1
G2
WH-A(13pin)
A1
R31
C31
C13
C14
Q51
R41
Q21
C15
2SA1037
C16
1W
200
R42
C23
VSS
XIN
XOUT
TEST
VDD
P21
P22
RESET
P20
P00
P01
P02
AVDD
AVREF
P10
AIN1
AIN2
P13
AIN4
AIN5
AIN6
A11
A10
A9
A12
3
1
A13
VR1
A2
2
P41
P
44
P45
P
46
P47
R81
R82
C81
C82
R79
C71
R70
G1
G13
C80
47uF/16V
DV0
P55
P32
P34
P35
P33
P37
P36
P02
0.01uF/50V
I-1
DU18D1-1P(M)R
DU18D1-1P(M)R-S
1.
:I
F
N
OT
SPECIFIED
1/10W
J(±
5%)
2.
:I
F
N
OT
SPECIFIED
0.1uF
50V
3.
:I
F
N
OT
SPECIFIED
1SS133
or
1SS270A
4.
(
)
:N
OT
INSERT
PARTS
P17
AVSS
INT0
PVEP
4.7K
4.7K
220K
220K
0.01uF/50V
0.01uF/50V
0.01uF/50V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
R70-R74
10Kx5
(G13)
D134
E1
E5
E7
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
COM2
COM1
COM0
COM3
STOP
AUTO
ROAST
FROZEN
PIZZA
POWER
CHILLED
PIZZA
INFO
AUTO
DEFROST
START
AUTO
MINUTE
CLOCK
AUTO
COOK
(L1)
AIN4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
+
-
R899(WH)
13 – 8
[4] Printed Wiring Board of Switch Unit
Figure S-3. Printed Wiring Board of Switch Unit
Click on the first or last page to see other R-899SL (serv.man12) service manuals if exist.