Sharp SJ-D48G-BE, SJ-48G-GY, SJ-D48G-BL, SJ-51G-GY, SJ-51G-BE Service Manual
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SERVICE MANUAL
S25A5SE55APRR
SHARP CORPORATION
REFRIGERATOR-FREEZER
SJ-48G-GY/BE/BL
SJ-D48G-GY/BE/BL
SJ-51G-GY/BE/BL
SJ-D51G-GY/BE/BL
SJ-55G-GY/BE/BL
SJ-D55G-GY/BE/BL
TABLE OF CONTENTS
page
OUTLINE OF PRODUCT.......................................................................................................................................2
SPECIFICATIONS .................................................................................................................................................3
DESIGNATION OF VARIOUS PARTS ..................................................................................................................5
LIST OF ELECTRICAL PARTS ............................................................................................................................. 6
WIRING DIAGRAM................................................................................................................................................ 9
FUNCTIONS ........................................................................................................................................................12
ASSEMBLING PROCEDURES OF MAIN PARTS AND CAUTIONS ..................................................................15
COOLING UNIT ...................................................................................................................................................21
REPLACEMENT PARTS LIST ............................................................................................................................22
Refrigerant; HFC-134a
Refer to "HFC-134a COOLING UNIT" Service Manual for handling this refrigerant.
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.
MODELS
DESTINATION ............................. R, M, H, Y, T, Z
SJ-48G/D48G
SJ-51G/D51G
SJ-55G/D55G
1
SJ-48G/D48G
G type E type
Cooling Unit
Refrigerant CFC-12
Outer dimensions
(Height~ Width~ Depth)
Heat insulator
48G@ 1620~ 735~ 700(mm)
@@@ (63.8"~ 28.9"~ 27.6")
51G@ 1700~ 735~ 700(mm)
@@@ (66.9"~ 28.9"~ 27.6")
55G@ 1820~ 735~ 700(mm)
@@@ (71.7"~ 28.9"~ 27.6")
42E@ 1620~ 715~ 690(mm)
@@@ (63.8"~ 28.1"~ 27.2")
45E@ 1735~ 715~ 690(mm)
@@@ (68.3"~ 28.1"~ 27.2")
50E@ 1825~ 715~ 690(mm)
@@@ (71.9"~ 28.1"~ 27.2")
Rated storage volume
48G@ 443 liter(15.6cu.ft.)
@@@ F:139(4.9) R:304(10.7)
51G@ 483 liter(17.1cu.ft.)
@@@ F:139(4.9) R:334(11.8)
55G@ 521 liter(18.4cu.ft.)
@@@ F:139(4.9) R:382(13.5)
42E@ 400 liter(14.2cu.ft.)
@@ F:98(3.5) R:302(10.7)
45E@ 430 liter(15.2cu.ft.)
@@ F:128(4.5) R:302(10.7)
50E@ 470 liter(16.6cu.ft.)
@@ F:162(5.7) R:308(10.9)
Specifications of interior
Fresh case 0 2
Chilled case
1 0
Three position
adjustable shelf
1
0
Polyurethane foam that uses
CFC-11
Conforms to the Regulations for Specific CFCs that will take effect in 1996.
HFC-134a
Polyurethane foam that uses
cyclopentane
SJ-51G/D51G
SJ-55G/D55G
OUTLINE OF PRODUCT
(Comparison between Type G and Type E)
2
SJ-48G/D48G
SJ-51G/D51G
SJ-55G/D55G
SPECIFICATIONS
Items SJ-48G SJ-D48G SJ-51G SJ-D51G SJ-55G SJ-D55G
Type 2-Door 2-Door 2-Door
Outer dimensions Height 1620mm(63.8") 1700mm(66.9") 1820mm(71.7")
Width 735mm(28.9") 735mm(28.9") 735mm(28.9")
Depth 700mm(27.6") 700mm(27.6") 700mm(27.6")
Rated storage volume 443 liter(15.6 cu.ft) 473 liter(16.7 cu.ft) 521 liter(18.4 cu.ft)
F: 139 liter(4.9 cu.ft) F: 139 liter(4.9 cu.ft) F: 139 liter(4.9 cu.ft)
R: 304 liter(10.7 cu.ft) R: 334 liter(11.8 cu.ft) R: 382 liter
Rated gross volume 475 liter(16.8cu.ft) 505 liter(17.8 cu.ft) 550 liter(19.4 cu.ft)
F: 163 liter(5.8 cu.ft) F: 163 liter(5.8 cu.ft) F: 163 liter(5.8 cu.ft)
R: 312 liter(11.0cu.ft) R: 342 liter(12.0cu.ft) R: 387 liter(13.6cu.ft)
Defrosting System Heater system
Start Automatic
Finish Automatic
Temperature control Automatic (Adjustable)
No-frost freezer Yes
Interior lamp 1
Caster 4
Evaporating pan 1
Refrigerator Refrigerator shelf 1 2 3
Compartment Glass shelf 1
Fruit and Vegetable crisper
1
Egg pocket 1
Egg holder 2
Bottle pocket 2
Free pocket 1 2
Chilled case 1
Freezer Freezer shelf L 1
Compartment Freezer shelf S 1
Ice cube maker Twin ice cube maker
Ice cube box 1
Deodorizing system NO YES NO YES NO YES
(13.5 cu.ft)
COLOR
Items
SJ-48G-GY, SJ-51G-GY, SJ-55G-GY SJ-48G-BE, SJ-51G-BE, SJ-55G-BE SJ-48G-BL, SJ-51G-BL, SJ-55G-BL
SJ-D48G-GY, SJ-D51G-GY, SJ-D55G-GY SJ-D48G-BE, SJ-D51G-BE, SJ-D55G-BE SJ-D48G-BL, SJ-D51G-BL, SJ-D55G-BL
Outside color Gray Beige Blue
Inside color White White White
3
SJ-48G/D48G
SJ-51G/D51G
SJ-55G/D55G
SOURCE AND COMP. AND NET WEIGHT
DESTINATION: R, M,Y, T
Items SJ-48G, SJ-D48G SJ-51G, SJ-D51G SJ-55G, SJ-D55G
Rated voltage (V) 220/230/240
Rated frequency (Hz) 50
Classification T
Rated input (W) 172/178/184 182/186/190
Rated input of heating elements (W) 137/150/163
Refrigerant (Charging quantity) HFC-134a(125g) HFC-134a(130g)
Net weight (kg) 79 84 88
DESTINATION: H
Items SJ-48G, SJ-D48G SJ-51G, SJ-D51G SJ-55G, SJ-D55G
Rated voltage (V) 200/220
Rated frequency (Hz) 50
Classification ST
Rated input (W) 175/195 180/200 185/205
Rated input of heating elements (W) 136/165
Refrigerant (Charging quantity) HFC-134a(125g) HFC-134a(130g)
Net weight (kg) 79 84 88
DESTINATION: Z
Items SJ-48G, SJ-D48G SJ-51G, SJ-D51G SJ-55G, SJ-D55G
Rated voltage (V) 220
Rated frequency (Hz) 50/60
Classification T
Rated input (W) 195/190 200/195 205/200
Rated input of heating elements (W) 137/137
Refrigerant (Charging quantity) HFC-134a(125g) HFC-134a(130g)
Net weight (kg) 79 84 88
4
DESIGNATION OF VARIOUS PARTS
1
2
3
4
5
6
7
8
9
10
11
12
13
15
16
17
18
19
20
21
22
23
19
14
Upper hinge cover
Hot pipe
Freezer temp. control knob
Hot pipe
Evaporating pan cover
(Ventilating grille)
Evaporating pan
Adjustable feet
(Adjustable leg)
Fan motor
Propeller fan
Defrost thermostat
Evaporator
Defrost heater
Damper thermostat
Refrigerator temp. control knob
Drain pipe
Vegetable case
Compressor
Starting relay, Overload relay(Protector)
Caster
Sub condenser
Freezer
compartment
Refrigerator
compartment
Mark: Cold air flow
Timer
This figure shows SJ-51G.
Figure D-1. External Description
SJ-48G/D48G
SJ-51G/D51G
SJ-55G/D55G
The names in parenthesis are the
denominations used in the REPLACEMENT
PARTS LIST.
1. Freezer shelf (L) (Freezer tray L silk)
2. Freezer temp. control knob
3. Freezer shelf (S) (Freezer tray S silk)
4. Ice cube maker
5. Ice cube box (Ice storage box)
6. Chilled case
7. Light (Lamp)
8. Refrigerator temp. control knob
9. Refrigerator shelf(Ref. tray silk)
(SJ-48G type 1, SJ-51G type 2, SJ-55G type 3)
10. Three position adjustable shelf (Free set shelf)
11. Glass shelf
12. Fruit and Vegetable crisper (Vegetable case)
13. Evaporating pan & Cover
14. Caster
15. Adjustable feet (Adjustable leg)
16. Fan switch
17. Fan & light switch
18. Freezer pocket (F door pocket HS)
19. Magnetic door seal (Door packing)
20. Egg holder (Egg tray)
21. Egg pocket (Egg pocket HS)
22. Free pocket (Utility pocket HS)
(SJ-48G type 1, SJ-51G type 1, SJ-55G type 2)
23. Bottle pocket (Bottle pocket HS)
Figure D-2. Constructions
5
SJ-48G/D48G
Aux. coil
Common
Main coil
Aux. coil
Common
Main coil
SJ-51G/D51G
SJ-55G/D55G
LIST OF ELECTRICAL PARTS
DESTINATION: R,M,Y,T
Items SJ-48G, SJ-D48G SJ-51G, SJ-D51G, SJ-55G, SJ-D55G
Source 220/230/240V 50Hz
Climate class T, ST
Thermostat Type: MM1-8025 ON: –17±5˚C OFF: –22±1.5˚C(at normal notch)
Damper thermostat Type: MM1-6129
Baffle opened 1.5˚C(at normal notch)
Baffle closed –3±1.5˚C
Timer Type: TMDF904FD2, Integration type
Cycle 10hours 50 min., Working time about 4min. 20sec. 50Hz
Fuse ass'y Thermo. fuse Type: SF70E 250V 10A Working temp. 70±2˚C
or MTG4A50072 250V 10A Working temp. 72±2˚C
Defrost thermostat Type: US602S 250V 8A OPEN 10±3˚C CLOSE 1±3˚C
Door switch 3 terminals push-button 250V 0.25A
Lamp socket 250V 1A E-12(HARD PLASTIC BODY TYPE)
Lamp 240V 10W E-12
Fan motor Type: MH15SAF-TJA7 200/240V 50Hz
Compressor Type: GL-90BH Type: GL-99BH
50Hz(OIL COOLING) 50Hz(OIL COOLING)
Cooling capacity 223W Cooling capacity 244W
Main coil 8.8Ω Main coil 8.5Ω
Aux. coil 17.7Ω(at 20˚C) Aux. coil 15Ω(at 20˚C)
Terminal Terminal
Starting relay PTC/UH-3003 14Ω 350V
Overload relay
(Protector)
4TM276NFBYY OFF 120˚C ON 61˚C 4TM308NFBYY OFF 120˚C ON 61˚C
Running capacitor 6µF / 400V
Defrost heater 220V 137.1W / 230V 150W / 240V 164.9W 353Ω
6
DESTINATION: H
Aux. coil
Common
Main coil
Items SJ-48G, SJ-D48G SJ-51G, SJ-D51G, SJ-55G, SJ-D55G
Source 200/220V 50Hz
Climate class ST
Thermostat Type: MM1-8025 ON: –17±5˚C OFF: –22±1.5˚C(at normal notch)
Damper thermostat Type: MM1-6129
Baffle opened 1.5˚C(at normal notch)
Baffle closed –3±1.5˚C
Timer Type: TMDF904FD2, Integration type
Cycle 10hours 50 min., Working time about 4min. 20sec. 50Hz
Fuse ass'y Thermo. fuse Type: SF70E 250V 10A Working temp. 70±2˚C
or MTG4A50072 250V 10A Working temp. 72±2˚C
Defrost thermostat Type: US602S 250V 8A OPEN 10±3˚C CLOSE 1±3˚C
Door switch 3 terminals push-button 250V 0.25A
Lamp socket 250V 1A E-12(HARD PLASTIC BODY TYPE)
Lamp 240V 10W E-12
Fan motor Type: MH15SAF-TJA7 200/240V 50Hz 0.8W
Compressor Type: GL-99BL
200/220V 50Hz, 220V 60Hz(OIL COOLING)
Cooling capacity 244W/279W
Main coil 6.68Ω
Aux. coil 9.30Ω(at 20˚C)
SJ-48G/D48G
SJ-51G/D51G
SJ-55G/D55G
Terminal
Starting relay PTC/UH-3003 14Ω 350V
Overload relay
(Protector)
4TM306NFBYY OFF 120˚C ON 61˚C
Running capacitor 6µF / 400V
Defrost heater 200V 136W / 220V 165W 294Ω
7
SJ-48G/D48G
Aux. coil
Common
Main coil
SJ-51G/D51G
SJ-55G/D55G
DESTINATION: Z
Items SJ-48G, SJ-D48G SJ-51G, SJ-D51G, SJ-55G, SJ-D55G
Source 220V 50/60Hz
Climate class T
Thermostat Type: MM1-8025 ON: –17±5˚C OFF: –22±1.5˚C(at normal notch)
Damper thermostat Type: MM1-6129
Baffle opened 1.5˚C(at normal notch)
Baffle closed –3±1.5˚C
Timer Type: TMDF904FD2, Integration type
Cycle 10hours 50 min., Working time about 4min. 20sec. 50Hz
Fuse ass'y Thermo. fuse Type: SF70E 250V 10A Working temp. 70±2˚C
or MTG4A50072 250V 10A Working temp. 72±2˚C
Defrost thermostat Type: US602S 250V 8A OPEN 10±3˚C CLOSE 1±3˚C
Door switch 3 terminals push-button 250V 0.25A
Lamp socket 250V 1A E-12(HARD PLASTIC BODY TYPE)
Lamp 240V 10W E-12
Fan motor Type: MH15SAF-TJA7 200/240V 50Hz 0.8W
Compressor Type: GL-99BL
50/60Hz(OIL COOLING)
Cooling capacity 244W/279W
Main coil 6.68Ω
Aux. coil 9.30Ω(at 20˚C)
Terminal
Starting relay PTC/UH-3003 14Ω 350V
Overload relay
(Protector)
4TM306NFBYY OFF 120˚C ON 61˚C
Running capacitor 6µF / 400V
Defrost heater 220V 137W 353Ω
8
WIRING DIAGRAM
THERMOSTAT
TIMER
(R)
(G)
(Bk)
THERMO.
FUSE
OVERLOAD
RELAY
DEFROST
HEATER
STARTING
RELAY
(P)
(W)
INTERIOR
LIGHT
FAN
MOTOR
(S-B)
(O)
DOOR SWITCH
DEFROST
THERMOSTAT
(Bk)
C
M
A
N
3PIN
PLUG/
CORD
(G-Y)
(B)
COMPRESSOR
L
FM
TM
N
L
(Br)
RUNNING CAPACITOR
CONNECTED IN TERMINAL BOX
CONNECTOR
G
Br
O
Y
R
P
B
Bk
S-B
G-Y
W
: GRAY
: BROWN
: ORANGE
: YELLOW
: RED
: PINK
: BLUE
: BLACK
: SKY-BLUE
: GREEN-YELLOW
: WHITE
THERMOSTAT
TIMER
(R)
(G)
(Bk)
THERMO.
FUSE
OVERLOAD
RELAY
DEFROST
HEATER
STARTING
RELAY
(P)
(W)
INTERIOR
LIGHT
FAN
MOTOR
(S-B)
(O)
DOOR SWITCH
DEFROST
THERMOSTAT
(Bk)
C
M
A
N
2PIN
PLUG/
CORD
(B)
COMPRESSOR
L
FM
TM
(Br)
RUNNING CAPACITOR
CONNECTED IN TERMINAL BOX
CONNECTOR
G
Br
O
Y
R
P
B
Bk
S-B
G-Y
W
: GRAY
: BROWN
: ORANGE
: YELLOW
: RED
: PINK
: BLUE
: BLACK
: SKY-BLUE
: GREEN-YELLOW
: WHITE
Be sure to replace the electrical parts with specified ones for maintaining the safety and performance of the set.
Because these are important for maintaining the safety of the set.
SJ-48G/D48G
SJ-51G/D51G
SJ-55G/D55G
Figure W-1. Wiring Diagram(3 pin plug region)
Figure W-2. Wiring Diagram(2 pin plug region)
9
SJ-48G/D48G
Fan motor
C1(LR-09-1V)
Defrost thermo.
F-thermostat
Thermo fuse
Defrost heater
Door switch
FREEZER
REFRIGERATOR
(RC-box ass'y)
(C-part. ass'y)
(E.V cov. ass'y)
MACHINE ROOM
Defrost timer
Lamp
C2(ELR-02V)
C3(ELR-06V)
C4(LR-09-1V)
3(Push close)
4(Push open)
(O)
Terminal box
Source plug
Running capacitor
(G-Y)
Overload
relay
Terminal cover
Starting relay
Compressor
CE-2
(Br)
CE-2
(B)
CE-2
(G)
G
Br
O
Y
R
P
B
Bk
S-B
G-Y
: GRAY
: BROWN
: ORANGE
: YELLOW
: RED
: PINK
: BLUE
: BLACK
: SKY-BLUE
: GREEN-YELLOW
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
121
2
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
FM
3
1
4
1
L
3
2
4
1
TM
C
M
A
1
L
N
E
(G)
(P)
(B)
(Br)
(R)
(Bk)
(W)
(W)
(Y)
(O)
(B)
(S-B)
(R)
(Bk)
(G)
(Y)
(S-B)
(P)
(Br)
SJ-51G/D51G
SJ-55G/D55G
Figure W-3. Electric Accessories Layout(3 pin plug region)
10
SJ-48G/D48G
Fan motor
C1(LR-09-1V)
Defrost thermo.
F-thermostat
Thermo fuse
Defrost heater
Door switch
FREEZER
REFRIGERATOR
(RC-box ass'y)
(C-part. ass'y)
(E.V cov. ass'y)
MACHINE ROOM
Defrost timer
Lamp
C2(ELR-02V)
C3(ELR-06V)
C4(LR-09-1V)
3(Push close)
4(Push open)
(O)
Terminal box
Source plug
Running capacitor
(G-Y)
Overload
relay
Terminal cover
Starting relay
Compressor
CE-2
(Br)
CE-5
(B)
CE-2
(G)
G
Br
O
Y
R
P
B
Bk
S-B
G-Y
: GRAY
: BROWN
: ORANGE
: YELLOW
: RED
: PINK
: BLUE
: BLACK
: SKY-BLUE
: GREEN-YELLOW
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
121
2
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
FM
3
1
4
1
L
3
2
4
1
TM
C
M
A
1
N
(G)
(P)
(B)
(Br)
(R)
(Bk)
(W)
(W)
(Y)
(O)
(B)
(S-B)
(R)
(Bk)
(G)
(Y)
(S-B)
(P)
(Br)
SJ-51G/D51G
SJ-55G/D55G
Figure W-4. Electric Accessories Layout(2 pin plug region)
11
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