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SJ-38MGY
Service manual
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User manual
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Sharp SJ-38M-BE, SJ-38M-BL, SJ-38M-GY, SJ-38M-SL, SJ-38M-WH Service manual

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SER VICE MANU AL
SX426SE37APQ3
REFRIGERATOR-FREEZER
MODELS
SJ-38M-BE/BL/GY/SL/WH
SJ-38M SJ-42M
SJ-42M-BE/BL/GY/SL/WH
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used.
DESTINATION .........................3
Refrigerant; HFC-134a
Refer to "HFC-134a COOLING UNIT" Service Manual for handling this refrigerant.
TABLE OF CONTENTS
page
INSTALLATION ................................................................................................................................................2
SPECIFICATIONS ............................................................................................................................................3
DESIGNATION OF VARIOUS PARTS .............................................................................................................4
DIMENSIONS ...................................................................................................................................................5
WIRING DIAGRAM...........................................................................................................................................7
FUNCTIONS .....................................................................................................................................................9
ASSEMBLING PROCEDURES OF MAIN PARTS AND CAUTIONS .............................................................12
COOLING UNIT ..............................................................................................................................................18
REPLACEMENT PARTS LIST .......................................................................................................................20
SHARP CORPORATION
1
SJ-37M SJ-41M
INSTALLATION
Free standing type
To ensure adequate ventilation for this refrigerator, install with 6 cm space at the rear and both sides, with a minimum space of 9 cm above the refrigerator.
6cm 6cm
This refrigerator shall be used under the ordinary place condition between +5˚C and +38˚C of ambient temperature, and also not be left under -10˚C for long days.
To be used this refrigerator within the range of the rated voltage ±6%
9cm
CAUTIONS AND INFORMATIONS
In case of following troubles, the cause is not related with the failure of refrigerator. Please mention the correct way to the customer for the use of refrigerator when the repairing.
1. Some foods froze in the refrigerator compartment.
Do not place food directly in front of cold air outlet. This may lead to the food freezing.
2. Some plastic parts were cracked or split.
Some household cleaning chemicals may affect the internal food liner and plastic parts resulting in splitting or cracks occurring.
When cleaning all plastic parts inside this refrigerator, only use diluted dishwashing liquid (soapy water). Make sure that all plastic parts are thoroughly rinsed with water after cleaning.
cold air flow
IN OUT
3. IT IS NORMAL for the refrigerator to produce the following sounds.
Cracking or crunching sound;
Sound produced by expansion and contraction of inner walls and internal parts during cooling.
Squeaking sound;
Sound produced by expansion and contraction of internal parts.
Sound of flowing fluid (gurgling sound, fizzing sound);
Sound of refrigerant flowing in pipes (sound may become louder from time to time).
2
SPECIFICATIONS
Items SJ-38M SJ-42M Type 2-Door 2-Door Outer dimensions Height 1580mm(62.2") 1700mm(66.9") (Including spacer) Width 650mm(25.6") 650mm(25.6")
Depth 635mm(25.0") 635mm(25.0") Rated storage volume 288 liter (10.2cu.ft) 321 liter (11.3 cu.ft) (Rated volume) F: 82liter (2.9 cu.ft) F: 82 liter (2.9 cu.ft)
R: 206 liter(7.3 cu.ft) R: 239 liter(8.4 cu.ft)
Gross volume 303 liter (10.7cu.ft) 336 liter (11.9 cu.ft)
F: 87liter (3.1 cu.ft) F: 87 liter (3.1 cu.ft) R: 216 liter(7.6 cu.ft) R: 249 liter(8.8 cu.ft)
Defrosting System Heater system
Start Automatic
Finish Automatic Temperature control Automatic (Adjustable) No-frost freezer Yes Interior lamp 1 Caster 2 Evaporating pan 1 Refrigerator Refrigerator tray 2 Compartment Vegetable tray 1
Vegetable case 1
V parting plate 1
R door pocket 1
Egg tray 1
Bottle pocket 1
Bottle stopper 1
Door pocket 2
Fresh case 1
Bottle tray 1 Freezer Freezer tray 1 Compartment Ice cube maker Twin ice cube maker
Ice storage box 1
Door pocket 2 Deodorizing unit 2 ( Honeycomb type)
RATING
Items SJ-38M SJ-42M Rated voltage (V~) 220-240 Rated frequency (Hz) 50 Climate class ST Rated current (A) 1.1-1.2 Rated input (W) 145-154 Rated input of heating systems (W) 128-152 Refrigerant (Charging quantity) [Non-flammable] Insulation blowing gas [Flammable] Cyclo pentane (HC) Net Weight (kg) 60 62
PLUG TYPE
Plug cord 2 pin + Earth Plug type CS
HFC-134a(105g)
Receptacle
SJ-38M SJ-42M
Destination mark 3
COLOR
Items -BE -BL -GY -SL -WH Outside color Beige Blue Gray Silver White Inside color White
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SJ-37M SJ-41M
DESIGNATION OF VARIOUS PARTS
The names in parenthesis are the denominations used in the REPLACEMENT PARTS LIST.
10
10 11
12 13
14 15
16
17
18
1
2 3
19
4 5
6
20
7 5 8
21 22
9
23 24
19
20
1. Freezer temp. control knob
2. Freezer shelf (Freezer tray)
3. Ice cube maker
4. Ice cube box (Ice storage box)
5. Deodorizing unit
6. Fresh case
7. Refrigerator temp. control knob
8. Light (Lamp)
9. Bottle shelf (Bottle tray)
10. Refrigerator shelf (Refrigerator tray)
11. Lever
12. Shelf (Vegetable tray)
13. Vegetable crisper (Vegetable case)
14. Divider (V parting plate)
15. Evaporating pan
16. Casters
17. Adjustable foot (Adjustable leg ass'y)
18. Light switch
19. Utility pocket (Door pocket)
20. Magnetic door seal (Door packing)
21. Egg holder (Egg tray)
22. Egg pocket (R door pocket)
23. Bottle guard (Bottle stopper)
24. Bottle pocket
Figure D-1. External Description
Fan motor
Defrost thermostat
F-temp. control knob
F-thermostat
Evaporator
Defrost heater
R-temp. control knob
Damper thermostat
Lamp
Evaporating pan
Compressor
Protector
Starting relay
Upper hinge cover
Defrost timer
Figure D-2. Constructions
4
DIMENSIONS
650
442
1150
650
635
90
more than
60
more than
60
more than
60
more than
1700
1210
1270
1112 537.5
9.5
41
(Unit : mm)
1
1: Include the badge Not include the handle
OUTER DIMENSIONS AND CLEARANCE
650
992 537.5
41
more than
1580
90
635
9.5
1: Include the badge Not include the handle
more than
60
1
more than
60
650
1150
more than
60
442
(Unit : mm)
SJ-38M SJ-42M
1210
1270
Fig. E-1(SJ-38M)
Fig. E-2(SJ-42M)
5
SJ-37M SJ-41M
INNER DIMENSIONS
The dimensions between shelves can be changed by setting the shelves on the other rails.
470
501
496
496
496
494
481
474
474
484
480
474
474
90
90
114
125
85
85
173214
256
179
230
122
241
116
76 76
98
264
264
264
281
470
501
496
496
496
494
Fig. E-3(SJ-38M)
474
474
484
480
474
90
90
114
125
85
173214
230
122
241
166168 76
76
264
264
264
281
481
474
Fig. E-4(SJ-42M)
6
85
256
179
Compressor
Starting relay(P.T.C relay)
C
M
A
Lamp
(BR)
(BK)
(SB)
(OR)
(W)
(BL)
(R)
(GY)
(Y)
Door Switch
Fan Motor
Defrost Heater
Defrost Thermo.
Thermo.Fuse
F-Thermostat
Plug / Cord
Defrost Timer
L
FM
TM
Overload relay (Protector)
CONNECTED IN TERMINAL BOX CONNECTOR
GY BR OR Y R P BL BK SB G-Y W
: GRAY : BROWN (live) : ORANGE : YELLOW : RED : PINK : BLUE(neutral) : BLACK : SKY-BLUE : GREEN-YELLOW (earth) : WHITE
(G-Y)
LIST OF ELECTRICAL PARTS
ITEMS TYPE NAME RATING SPECIFICATIONS Thermostat MM1-9010 125V 6A (At normal notch)
250V 3A ON/OFF : -19 / -24˚C Defrost thermostat S101 250V 8A Open/Close : 8 / 1˚C Thermo. fuse SF70E 250V 10A Working temp. : 70˚C Fan motor 3R00121A 220-240V 50/60Hz Working with ø100 fan Defrost heater MM6-4264 220-240V 378Ω 140W at 230V Door switch SDKNA20101 250V 0.25A 3 terminals push-button type
125V 0.5A Damper thermostat MM1-6173 — Open/Close : 4.5 / 0˚C Defrost timer ND1004M2 220-240V Integration type
50/60Hz Cycle time : 10h44m/8h57m(50/60Hz)
Delay time : 4m20s/3m37s(50/60Hz) Lamp socket — 250V 1A E-14(Hard plastic body type) Lamp — 240V 10W E-14 Compressor FL1568SD 220-240V/50Hz Cooling capacity : 188W (50Hz)
Main coil : 13.3Ω
Aux. coil : 25.6Ω
(at 25˚C)
Common
SJ-38M SJ-42M
Aux. coil
Main coil
Starting relay PET0SAT — 22 Ω 300V Overload relay(Protector) 1.8C36A1 — Open/ Close : 130/60˚C
WIRING DIAGRAM
Be sure to replace the electrical parts with specified ones for maintaining the safety and performance of the set.
Figure W-1. Wiring Diagram
7
SJ-37M SJ-41M
E.V. cover ass'y
Fan motor
F-thermostat
Def thermo. ass'y
Thermo. fuse ass'y
Def. heater ass'y
Door switch
C (NEUTRAL) 2 (PUSH OPEN)
1 (PUSH CLOSE)
R lamp box ass'y
Lamp 10W
Lead EV-cover ass'y
FM
L
3 1 2
Lamp socket
Terminal box
Defrost timer
TM
1 5 2 6 3 7 4 8
121
121
2
1 5 2 6 3 7 4 8
2
BL-2
(OR-1)
SB-1
BR-2
1 2 3 4
GY-1
OR-1
R-1
BR-1
Y-1 BL-1 BK-1 W-1
(W-1)
Y-2
(SB-1)
1 2 3 4
(Y-1) (Y-2) (BK-1) (R-1)
GY-2
Cabinet ass'y
BROWN
BLUE
GRAY
EARTH
GY
: GRAY
BR
: BROWN (live)
OR
: ORANGE
Y
: YELLOW
R
: RED
P
: PINK
BL
: BLUE (neutral)
BK
: BLACK
SB
: SKY-BLUE
G-Y
: GREEN-YELLOW (earth)
W
: WHITE
Source plug / cord
Figure W-2. Electric Accessories Layout
Overload relay (Protector)
1
E
BL
Starting relay
Terminal block
Compressor
C
M
A
8
FUNCTIONS
1. ADJUSTABLE TEMPERATURE CONTROL
(1)Temperature control of freezer
Thermostat (senses freezer temperature) operates on ON/OFF switch over to control the compressor and cool air circulating fan , and allows the freezer temperature to keep at a suitable temperature. However adjust the freezer temp. control knob as follows depending upon the storing condition of foods.
SJ-38M SJ-42M
KNOB
PURPOSE
SETTING
MAX
(Coldest)
For making ice rapidly or fast freezing. When restocking with fresh food.
MED
For normal freezing. For storing frozen food for a short period (up to one month).
Figure F-1.
MIN
When frozen food or ice cream is not stored.
(2)Temperature control of refrigerator
Damper-thermostat senses temperature of the refrigerator and changes the opening angle of the damper automatically. However, as the Damper-thermostat has no function to switch on or off the compressor and fan motor, the freezer temperature control causes temperature in the refrigerator to vary to some extent. However, adjust the refrigerator temp. control knob as follows depending upon the cooling condition.
KNOB
PURPOSE
SETTING
MAX(Coldest)
For keeping freshness of food longer. When the refrigerator does not provide sufficient cooling.
MED
For normal operation. When the refrigerator provides excessive cooling.
Figure F-2.
MIN
NOTE: The refrigerator temperature is affected also by the freezer temperature. If the freezer temp. control knob
is set at the position "MAX", the temperature tends to be lower than the following values, and if set at near the position "MIN", temperature tends to be higher.
If the refrigerator is operated for a long time with the freezer temperature control sets the "MAX" position, foods stored in the refrigerator compartment may also freeze.
When refrigerator temperature control sets to the "MAX", some foods stored may freeze. In this case adjust control set back to the "MED" position. When refrigerator temperature control sets to the "MAX", some foods stored in Fresh case may also
become frozen.
(3) Reference value of temperature
SETTING OF FREEZER TEMP. CONTROL KNOB
Freezer temperature
MAX
(Coldest)
Approx.
-21
MED MIN
Approx.
-18
Approx.
-15
SETTING OF REFRIGERATOR TEMP. CONTROL KNOB
Refrigerator temperature
Fresh case temperature
MAX
(Coldest)
Approx.
0
Approx.
-3
MED MIN
Approx.
3
Approx.
1
Approx.
Approx.
6
4
The values shown above refer to the case where the freezer temp. control knob is set at "MED".
The values shown above refer to the measurement carried out center area and 1/3 of overall height from the bottom at each of the refrigerator and the freezer after machine has been operated at an ambient temperature of 30˚C with no food stored and the door closed until the temperature is stabilized. The values vary depending upon frequency of opening and closing the door, ambient temperature, amount of stored foods and manner of storing foods.
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