SHARP SERVICE MANUAL
TABLE OF CONTENTS
NAME OF PARTS AND SPECIFICATIONS .......................................................................
CAUTIONS FOR USE .....................................................................................................
CIRCUIT DIAGRAM ........................................................................................................
COMPONENT REPLACEMENT PROCEDURE .................................................................
INSPECTION AFTER ASSEMBLING ................................................................................
SIMPLIFIED TESTING METHOD .....................................................................................
PRECAUTIONS FOR WARM-KEEPING TO GET TASTY RICE...........................................
TROUBLESHOOTING .....................................................................................................
SERVICE PARTS LIST ...................................................................................................
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JAR RICE COOKER
MODELS
KS-R19S/ST
KS-R23S/ST
In the interests of user-safety (Required by safety
regulations in some countries) the set should be restore to
its original condition and only parts identical to those
specified should be used.
SHARP CORPORATION
2
NAME OF P ARTS
Handle
Latch button
“WARM” indicator lamp
“COOK” indicator lamp
Dew receiver
Latch hook cover
Cook switch
P ANEL
Warm switch
Lid
Power supply cord
Body
Latch angle
Steam vent hole
Panel
Inner pot
Steamer rack
Inner lid
SPECIFICA TIONS
Model
Rated voltage (V)
Rated frequency (Hz)
Power consumption (Cook) (W)
Power consumption (Warm) (W)
Capacity (l)
Heating method
Dimensions (W x D x H) (mm.)
Weight (kg.)
KS-R19S/ST
220
KS-R23S/ST
600
50
800
60 (Avg. 28) 62 (Avg. 28)
1.8
2.2
Direct heating method
299 x 287 x 300 299 x 287 x 324
3.1 3.5
3
For power supply use the proper socket.
Do not connect too many loads to one outlet.
Fully insert the plug. Hold the plug itself, when
disconnecting it.
Do not operate the appliance with a damage cord or
plug, electric shock or fire may occur.
Unplug from outlet when not in use and before
cleaning. Allow to cool before putting on or taking
off parts.
Do not wash the body , cord or plug with water or pour
water directly into the body . Otherwise, electric
shock or malfunction may occur.
Unless the inner pot is in place, the switch can not
be turn on. If the switch is kept pressed forcibly ,
malfunction may occur.
If the switch is turned off prematurely , resulting in
cook failure, do not attempt to keep the switch
pressed forcibly . Malfunction may occur.
The possible cause of premature turning-off of the
switch is rice sticking to the bottom of inner pot or
the heater plate.
Keep the switch away from tableware.
Do not use in the following places.
“Wet floor, place where humidity is high”.
“Unstable place, place exposed to direct sunlight”.
“Place near heat sources such as a gas cooking
table”.
“On the low heat-resistant carpets and vinyl
table-cloth”.
Otherwise, electric shock, malfunction, or
deformation may occur.
Since it is very hot around the steam vent during or
immediately after cooking rice, keep your face and
hands away from the vent. Otherwise, you may burn
your face and hands.
Do not put the inner pot on other heat sources (e.g.
gas ring). Otherwise, it may be deformed, causing
rice cooking failure.
T ake care not to deform the body , inner pot and inner
lid. If they are deformed, rice cooking is disturbed.
Always keep clean the inner pot, heater plate, inner
lid and steam tube. If foreign matter such as grinds of
rice adhere to them, rice boiling and heat retention
may be adversely affected.
Do not put dish cloth on lid or on handle during
boiling. Otherwise, deformation and malfunction may
occur.
This model is for rice cooking and heat retention.
Do not use it as follows. Boiling-over or smell
permeation will occur.
“Heat retention of food (boiling rice, steamed rice with
red beans) which spoils quickly”.
“Cooking and heat retention of porridge and soup.
“Heat retention and addition of cool boiled rice”.
“Heat retention with plastic spoon put in the rice
cooker”.
Do not apply strong vibration and shock during
cooking rice. Thermostat error may occur , resulting
in cooking failure.
Steam may vent out from a clearance between the
body and lid, or the steam vent hole may peep.
This is not indication of trouble.
Be sure to put the steam tube and inner lid when
using. Otherwise cooking failure or poor heat
retention may occur.
Do not turn the rice cooker on without both rice and
water in the inner pot.
CAUTIONS FOR USE
4
CIRCUIT DIAGRAM
SCHEMA TIC DIAGRAM
5
1. Upside down the rice cooker .
2. Remove the screw holding the cord reel ass’y .
3. Remove the cord reel ass’y and disconnect lead wires from cord reel ass’y .
4. Now the cord reel ass’y is free.
REMOVE OF CORD REEL ASSEMBLY
COMPONENT REPLACEMENT PROCEDURE
1. Remove the cord reel assembly in accordance with “REMOVE OF CORD REEL ASSEMBL Y”.
2. Remove the screw holding the body to bottom cover.
3. Insert the flat type screwdriver in to the gap between the bottom cover and body , to pry the bottom cover
out of body .
4. Now the bottom cover is free.
REMOVE OF BOTTOM COVER
Body
Bottom cover
Fig. 2
Fig. 1
Screw
Bottom cover
Cord reel ass’y
Body
Place a blanket for protection
Screw
Body
Flat type screwdriver
6
1. Remove the bottom cover in accordance with “REMOVE OF BOTTOM COVER”.
2. Upside down the outer pot and disconnect the lead wires from the micro switch.
3. Remove the screw holding the micro switch to the switch leg ass’y .
4. Now the micro switch is free.
REMOVE OF MICRO SWITCH
1. Remove the bottom cover in accordance with “REMOVE OF BOTTOM COVER”.
2. Remove the screw holding micro switch to the switch leg ass’y .
3. Pull the stop ring holding the switch leg ass’y to the thermostat rod.
4. Remove 2 screws holding the switch leg ass’y to the outer pot.
5. Now the switch leg ass’y is free.
Note : When mounting the switch assembly , lock it in a manner that the switch button will not come in cont act
with the panel.
REMOVE OF SWITCH LEG ASSEMBLY
Thermostat ass’y
Outer pot
Switch leg ass’y
Thermostat rod
Stop ring
Screw
Fig. 4.
1. Remove the bottom cover in accordance with “REMOVE OF BOTTOM COVER”.
2. Fixing the thermostat rod, pull the stop ring by using the plier and straightening 2 claws of thermostat.
3. Remove thermostat from the outer pot. Fig . 4.
4. Now the thermostat ass’y is free.
REMOVE OF THERMOSTAT ASSEMBLY
Fig. 3.
Micro SW.
Screw
Switch leg ass’y
Blue lead wire
Blue lead wire
Yellow lead wire
Red lead wire
7
Heater plate
1. Remove the bottom cover in accordance with “REMOVE OF BOTTOM COVER”.
2. Remove 2 screws holding the lead wires
to the heater plate ass’y .
3. Remove 3 screws holding the heater
plate ass’y to the outer pot.
4. Now the heater plate ass’y is free.
REMOVE OF HEATER PLATE ASSEMBLY
1. Remove the bottom cover in accordance with “REMOVE OF BOTTOM COVER”.
2. Disconnect the lead wires of the panel.
3. Remove the nut and 2 screws holding to the body .
4. Insert the flat type screwdriver into the gap between the upper ring and latch hook cover, to pry the latch hook
cover from the upper ring.
5. Detach the dew receiver from the upper ring.
6. Insert the flat type screwdriver or similar to pry the claw of the hinge cover and remove it.
7. Separate the body from the upper ring by rubber hammer knock the upper ring. Fig. 6
8. Remove the panel in accordance with “REMOVE OF P ANEL”.
9. Now the body is free.
REMOVE OF BODY
Fig. 6
Latch hook cover
Body
Upper ring
Flat type screwdriver
Hinge cover
Dew receiver
Screw
Panel
Screw
Nut
Screw
Outer pot
Screw
Fig. 5
Lacth hook cover
Body
To knock
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