Read Sharp R-899SL (serv.man12) Service Manual online
R899(WH)
13 – 4
NOTE: The top heating element, bottom heating element, fan motor and convection motor will be turned on and off according to the temperature.
See “AUTO PWER CONTROL OPERATION”.
Figure O-4 Oven Schematic-Convection Condition
NOTE: The top heating element, bottom heating element, magnetron, fan motor and convection motor will be turned on and off according to the tem-
perature or microwave power level. See “AUTO PWER CONTROL OPERATION”.
Figure O-5(a) Oven Schematic-COMBI-1 cooking Condition (Microwave and Convection mode)
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. CONVECTION MODE SET.
3. COOKING TIME SET.
4. CONVECTION TEMPERATURE SELECTED.
5. STRAT BUTTON PRESSED.
1. DOOR CLOSED.
2. CONVECTION MODE SET.
3. COOKING TIME SET.
4. CONVECTION TEMPERATURE SELECTED.
5. STRAT BUTTON PRESSED.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COMBI 1 MODE SET.
3. COOKING TIME SET.
4. MICROWAVE POWER LEVEL SET.
5. CONVECTION TEMPERATURE SELECTED.
6. STRAT BUTTON PRESSED.
1. DOOR CLOSED.
2. COMBI 1 MODE SET.
3. COOKING TIME SET.
4. MICROWAVE POWER LEVEL SET.
5. CONVECTION TEMPERATURE SELECTED.
6. STRAT BUTTON PRESSED.
OL
CM
TTM
OVEN
LAMP
CONVECTION MOTOR
FAN
M
OTOR
TURNTABLE
M
OTOR
TOP
G
RILL
HEATING
E
LEMENT
BOTTOM
H
EATING
E
LEMENT
H.V.
RECTIFIER
MAGNETRON
T:
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/
250V
4700p/
250V
10M/
0.5W
NOISE
S
UPPRESSION
COIL
680
k/
0
.5W
0.22u/250V
FUSE
2
0A
FUSE F8A
NOISE
FILTER
L
N
230V
~
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
MOTOR
TURNTABLE
MOTOR
TOP
GRILL
HEATING
ELEMENT
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/
250V
4700p/
250V
10M/
0
.5W
NOISE
S
UPPRESSION
C
OIL
6
8
0k
/0
.5
W
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
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