Sharp R-85STMA (serv.man13) Service Manual ▷ View online
R85STMA
13 – 5
Figure O-5(b) Oven Schematic-Dual1 cooking Condition (Microwave and Top Grill mode)
Figure O-5(c) Oven Schematic-Dual2 cooking Condition (Microwave and Bottom Grill mode)
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. COMBI KEY TOUCHED TWICE.
4. MICROWAVE POWER LEVEL ENTERED.
5. STRAT KEY TOUCHED.
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. COMBI KEY TOUCHED TWICE.
4. MICROWAVE POWER LEVEL ENTERED.
5. STRAT KEY TOUCHED.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. COMBI KEY TOUCHED THREE TIMES.
4. MICROWAVE POWER LEVEL ENTERED.
5. STRAT KEY TOUCHED.
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. COMBI KEY TOUCHED THREE TIMES.
4. MICROWAVE POWER LEVEL ENTERED.
5. STRAT KEY TOUCHED.
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-
1.07
u
F
AC2100V
CONTROL
U
NIT
A9
A7
RY7
RY5
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1
SW2:-
STOP SWITCH
STOP SWITCH
MONITORED LATCH SWITCH
THERMISTOR
MG.-
THERMAL-
CUT-OUT
THERMAL-
CUT-OUT
OVEN-
THERMAL-
CUT-OUT
THERMAL-
CUT-OUT
MONITOR -
SWITCH
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
FILTER
L
N
230
-
240V
~
50Hz
BRN/15
BLU/15
G-Y/15-
-
EARTH
LIVE
NEUTRAL
NC.
NC.
ASYMMETRIC-
RECTIFIER
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-
1.07
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
THERMAL-
CUT-OUT
OVEN-
THERMAL-
CUT-OUT
THERMAL-
CUT-OUT
MONITOR -
SWITCH
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
FILTER
L
N
230
-
240V
~
5
0Hz
BRN/15
BLU/15
G-Y/15-
-
EARTH
LIVE
NEUTRAL
NC.
NC.
ASYMMETRIC-
RECTIFIER
RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
R85STMA
13 – 6
[2] Pictorial Diagram (Figure S-1)
Figure S-1. Pictorial Diagram
BLU
WHT
BLK
WHT
OVEN
THERMAL
CUT-OUT
MG.
T
HERMAL
CUT-OUT
OVEN
LAMP
BLU
BLK
BLU
1
BRN
2
3O
R
G
4
5
GRY
6
7W
H
T
8
9
BLU
COM
GRY
WHT
BLU
GRY
GRY
BLK
N.C.
NC
COM
(SW2)STOP
SWITCH
NO
COM
TOP
G
RILL
HEATING
ELEMENT
BOTTOM
HEATING
ELEMENT
WHT
RED
WHT
BRN
BLU
GRN
GRN
GRN
BLU
TURNTABLE
MOTOR
T/C
TRANSFORMER
(SW3)MONITOR
SWITCH
(SW1)MONITORED
LATCH
SWITCH
ORG
ORG
BLU
WHT
BRN
BLK
RED
ORG
RED
BLK
BLU
ORG
BLK
BLU
WHT
CN-A
1
CN-B
2
RED
GRN
RED
WHT
GRY
ORG
BLK
NOISE
F
ILTER
L
TP
F8A
TL
RED
20A
WHT
N
ORG
ORG
WHT
1B
L
U
2
3
BRN
4
5
ORG
6
7
RED
FAN
MOTOR
CONVECTION
MOTOR
GRY
WHT
HIGH
VOLTAGE
COMPONENTS
GÐ
Y
POWER
S
UPPLY
CORD
NEUTRAL
LIVE
EARTH
THERMISTOR
CN-B
1
11
2
3
2
1
SP1
RY2
RY4
RY3
CONTROL
PANEL
CN-A
CN-E
RY5
RY7
1
1
7
9
CN-C
CN-E
WH-1
CN-1
IC-1
CN-G
RY1
RY6
2
3
1
BLK
BLK
CN-C
MAGNETRON
H.V.
CAPACITOR
H.V.
RECTIFIER
ASYMMETRIC
RECTIFIER
HIGH
VOLTAGE
TRANSFORMER
RED
BLU
RED
BLK
RED
BLK
BLK
WHT
R85STMA
13 – 7
[3] Power Unit Circuit
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
50Hz
FAN MOTOR
OVEN
THERMISTOR
THERMISTOR
GND
GND
R3 510 1w
R6 130 1w
Q2
2SB1238
2SB1238
Q3
KRC243M
KRC243M
R4 510 1w
S1NB10
RY5
a
b
c
d
D10
C1
VRS1
(J1)
(J2)
D5
RY6
D6
RY1
D1
R2
1.5k
ZD2
HZ20-1
RY4
D4
RY3
D3
RY2
D2
10G471K
C3
C2
1000u/35v
C5
10u/35v
C4
10u/35v
R5 3.3k
SP1
VC
BUZZER
VR
INT
POWER
CONTROL
CONTROL
STOP
SWITCH
SWITCH
NC
BOTTOM
HEATING
ELEMENT
HEATING
ELEMENT
GRILL
HEATING
ELEMENT
HEATING
ELEMENT
HIGH VOLTAGE
TRANSFORMER
TRANSFORMER
STOP
SWITCH
SWITCH
OVEN LAMP
TURNTABLE
MOTOR
TURNTABLE
MOTOR
DOOR
OPEN
CONTACT
A 1
A 3
A 5
C 3
A 7
B 2
B 1
NOTE 1.
NOTE 2.
+
–
+
–
+
–
WH1-7
CONVECTION
MOTOR
MOTOR
RY7
D7
A 9
: IF NOT SPECIFIED, 1/4W ±5%
15P WIRE HARNESS
: IF NOT SPECIFIED, 0.1uF / 50V
: IF NOT SPECIFIED, 1SS270A
C 1
WH1-4
R85STMA
13 – 8
[4] CPU Unit Circuit
Figure S-3. CPU Unit Circuit
ZD10
UDZS3.6B
GND
IC1
C14
C13
CN1-5
R10
1K
Q11
DTA143EKA
90
81
85
(J10)
(J13)
4.7K
(J11)
(J14)
4.7K
(J12)
(J15)
4.7K
BUZZER
DOOR
SW
NC
C10
47uF/16V
VR
0.1uF/50V
CN1-9
(P)
INT
GND
CN1-3
CN16-
CN1-10
CN1-11
POWER
CN1-8
FM
CN1-7
CONVEC
FM
CN1-15
OL.TTM
GRILL
HEATER
BTM.
HEATER
CN1-14
MICRO
CN1-1
CN1-2
(A)
(H)
(G)
(F
)
(E)
(D)
(J)
OVEN
TH.
R81
R83
R82
CN1-4
15K
510F
C80
R31
15K
C30
R30
4.7K
VC
Q10
2SA1037AK
DTA143EKA
DTA143EKA
DTA143EKA
DTA143EKA
DTA143EKA
Q28
Q25
Q24
Q23
Q22
Q21
Q20
D22
D23
DTA123JKA
DTA123JKA
DTA123JKA
D5
D6
R4
22
R5
4.7K
Q2
2SA1037AK
C21
0.1uF/50V
1
5
10
15
20
25
CN1
15PIN
B15B-PH-K-S
C12
0.1uF/50V
95
R11
4.7K
R15
4.7K
28KF
R6
620
C11
0.1uF/50V
C1
AN4
P77
P40
P41
IN
T0
IN
T1
P44
P45
P46
P47
P51
P52
P53
P54
P55
P56
P57
AN0
AN1
P74
P75
P76
P50
AN2
AN3
AN5
AN6
AN7
VL1
30
80
75
70
65
60
55
51
P73
P72
P71
P70
RESET
35
P81
P80
XIN
XOUT
VSS
40
P27
P26
P25
P24
P23
45
P22
P21
P20
P17
P16
50
C2
VL2
VL3
COM0
COM1
COM2
COM3
AVSS
VREF
VCC
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
31
D30
CN1-13
CN1-12
Q40
LD
1L
D5
LD4
LD3
LD2
L
D10
LD6
LD7
LD8
LD
9
15K
15K
15K
G6
G9
G10
G12
G11
ROAST
POULTRY
15K
R62
15K
R60
15K
R61
15K
R63
15K
R64
15K
R65
15K
R66
15K
R67
G8
ROAST
PORK
WHOLE
POULTRY
MEAT
JOINT
ROAST
BEEF/
LAMB
10sec.
1min.
10min.
G7
G1
G2
G3
G4
G5
CHICKEN
QUARTERS
PIZZA
MORE
GRATIN
PASTA
DISH
BAKED
POTATOES
OVEN
CHIPS
STOP
CLEAR
CHICKEN
QUARTERS
(INSTANT
COOK)
START
AUTO
MINUTE
KG/LB
CONVERSION
RISOTTO
UP
KITCHEN
TIMER
GRILL
MICRO
POWER
BREAKFAST
DOWN
info
R7115K
R701
5K
R691
5K
R681
5K
C60
3
30P/50V
C61
3
30P/50V
C62
3
30P/50V
C63
3
30P/50V
R75
1
00K
R74
100K
R73
1
00K
R72
100K
:
IF
NOT
SPECIFIED
1/10W
±
5%
:
IF
NOT
SPECIFIED
1SS355
:
IF
NOT
SPECIFIED
0.01uF/25V
R55
4.7K
1M
(J17)
(J16)
P16/P17
PORT
IN
PULL
UP
RESISTOR
(K)
(N)
(M)
(Q)
(R)
(M)
(K)
(N)
(Q)
(F)
(R)
(J)
(G)
(A)
(D)
(E)
(H)
(P)
1Pin
51Pin
10K
RY
Timing
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
NC
NC
SEG39
SEG38
SEG37
SEG36
SEG35
SEG34
SEG33
SEG32
SEG31
NC
NC
NC
NC
NC
NC
COM3
COM2
COM1
NC
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
CF1
CST4.00MGW
R12
R14
R13
4.7K
7DIG.3COM
negative
(A142)
LESS
DUAL
CONV./
GRILL
CLOCK
S
ET
CONV.
(ºC)
CN-G
R56
NOTE:
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