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SJ-F230G
SJ-F230G
SJ-F230G
SJ-A28S-SL
SJ-B27S-SL
Refrigerant; HFC-134a
Refer to "HFC-134a COOLING UNIT" Service Manual for handling this refrigerant.
[1]
SJ-A20S/B21S/A24S/B25S/A28S/B27S ........ 2-1
[2]
SJ-A31S/A34S .......................................... 2-2
[1]
EXTERNAL DESCRIPTION................... . ....... 2-1
[2]
CONSTRUCTIONS................................ . ....... 2-2
[1]
OUTER DIMENTIONS AND
CLEARANCE ......................................... . ....... 3-1
[2]
INNER DIMENTIONS ............................ . ....... 3-4
CHAPTER 4. LIST OF ELECTRICAL PARTS
[1]
WIRING DIAGRAM ................................ . ....... 5-1
[2]
ELECTRIC ACCESSORIES LAYOUT ... . ....... 5-2
[3]
SOLDER........................................................5-3
[1]
OUTLINE OF CONTROL ....................... . ....... 6-1
[2]
(Forced Defrosting) ................................ . ....... 6-1
SJ-A20S/B21S/A24S/B25S/A28A/B27S/A31S/A34S-SL
SERVICE MANUAL
Refrigerator-freezer
MODELS
Ag
CONTENTS
No.S9902SJ22FTVTT
SJ-A20S-SL
SJ-B21S-SL
SJ-A24S-SL
SJ-B25S-SL
SJ-A28S-SL
SJ-B27S-SL
SJ-A31S-SL
SJ-A34S-SL
DESTINATION
[3]
POWER FAILURE.................................. . ....... 6-2
[4]
DIAGNOSIS METHOD OF FAILURE ............6-2
[5]
CONVERSION TABLE ..................................6-3
[6]
CIRCUIT DIAGRAM OF MAIN PWB .............6-4
[1]
CONTROL .....................................................7-1
CHAPTER 8. ASSEMBLI NG PROCEDURES OF
MAIN PARTS AND CAUTIONS
[1]
F-LOUVER ASS'Y (SJ-A20S/B21S/A24S/
B25S/A28S/B27S) ..........................................8-1
[2]
F-LOUVER ASS'Y (SJ-A31S/A34S)...............8-4
[3]
R CONTROL COV. ASS'Y.............................8-7
[4]
HOW TO REPLACE THE LAMP ...................8-9
[5]
DEFROST HEATER ......................................8-10
[1]
COOLING UNIT.............................................9-1
[2]
LOCATION ....................................................9-2
Parts Guide
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
T
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Summary of Contents for Sharp SJ-A20S-SL
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Page 1: Table Of Contents
SJ-A20S/B21S/A24S/B25S/A28A/B27S/A31S/A34S-SL SERVICE MANUAL No.S9902SJ22FTVTT Refrigerator-freezer SJ-A20S-SL MODELS SJ-B21S-SL SJ-A24S-SL SJ-F230G SJ-F230G SJ-B25S-SL SJ-F230G SJ-A28S-SL SJ-B27S-SL SJ-A31S-SL SJ-A34S-SL SJ-A28S-SL DESTINATION SJ-B27S-SL Refrigerant; HFC-134a Refer to "HFC-134a COOLING UNIT" Service Manual for handling this refrigerant. CONTENTS CHAPTER 1. SPECIFICATION RE-SETTING OF MICROCOMPUTER AT POWER FAILURE........ -
Page 2: Chapter 1. Specification
6-$6%6$6%6$6%6$6$6 SJD34NSLG CHAPTER 1. SPECIFICATION Service Manual SJ-A20S/B21S/A24S/B25S/A28S/B27S SJ-A20S SJ-A24S SJ-A28S Items SJ-B21S SJ-B25S SJ-B27S Type 2-Door Outer dimensions Height 1253mm(49.3") 1389mm(54.7") 1491mm(58.7") Width 545mm(21.5") 545mm(21.5") 545mm(21.5") Depth 620mm(24.4") 620mm(24.4") 620mm(24.4") Rate storage volume (Rated volume) 184liter(6.5cu.ft) 212liter(7.5cu.ft) 227liter(8.0cu.ft) Defrosting System Heater system Start... -
Page 3: Sj-A31S/A34S
6-$6%6$6%6$6%6$6$6 SJD34NSLG SJ-A31S/A34S Service Manual SJ-A31S SJ-A34S Items Type 2-Door Outer dimensions Height 1580mm(62.2") 1700mm(66.9") Width 600mm(23.6") 600mm(23.6") Depth 631mm(24.8") 631mm(24.8") Rated storage volume (Rated volume) 292liter(10.3cu.ft) 313liter(11.1cu.ft) Defrosting System Heater system Start Automatic Automatic Finish Temperature control Automatic (Adjustable) No-frost freezer Interior lamp Evaporating pan... -
Page 4: Chapter 2. Designation Of Various Parts
6-$6%6$6%6$6%6$6$6 SJ26NSL CHAPTER 2. DESIGNATION OFVARIOUS PARTS Service Manual [1] EXTERNAL DESCRIPTION The names in parenthesis "[ ]" are the denominations used in the REPLACEMENT PARTS LIST. 1. Freezer shelf [F-shelf] 2. Freezer temp.control knob 3. Ice cube maker 4. Ice cube box [Ice storage box] 5. -
Page 5: Constructions
6-$6%6$6%6$6%6$6$6 [2] CONSTRUCTIONS Mark: Cold air flow Fan motor F-temp. control knob Def-thermistor Evaporator Fuse ass'y Defrost heater Deodorizing unit R-temp. control knob R-thermistor PWB L ass'y Lamp Running capacitor Evaporating pan Compressor Starting relay Protector 2 – 2... -
Page 6: Chapter 3. Dimentions
6-$6%6$6%6$6%6$6$6 SJD26LVSL CHAPTER 3. DIMENTIONS [1] OUTER DIMENTIONS AND CLEARANCE 1. SJ-A20S/B21S 628.5 (Unit:mm) 2. SJ-A24S/B25S 628.5 (Unit:mm) 3 – 1... - Page 7 6-$6%6$6%6$6%6$6$6 3. SJ-A28S/B27S 628.5 (Unit:mm) 4. SJ-A31S 649.5 1065 3 – 2...
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Page 8: Inner Dimentions
6-$6%6$6%6$6%6$6$6 5. SJ-A34S 649.5 1065 [2] INNER DIMENTIONS 1. SJ-A20S/B21S (Unit:mm) 3 – 3... - Page 9 6-$6%6$6%6$6%6$6$6 2. SJ-A24S/B25S (Unit:mm) 3. SJ-A28S/B27S (Unit:mm) 3 – 4...
- Page 10 6-$6%6$6%6$6%6$6$6 4. SJ-A31S 5. SJ-A34S 3 – 5...
- Page 11 6-$6%6$6%6$6%6$6$6 SJ26NSL CHAPTER 4. LIST OF ELECTRICAL PARTS ITEMS TYPE NAME RATING SPECIFICATIONS R Thermistor DC 5V R0 = 6.4 k , B(0) = 3811 Defrost Thermistor DC 5V R0 = 6.4 k , B(0) = 3811 Thermo. fuse SF70E 250V 10A Working temp.
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Page 12: Chapter 5. Wiring Diagram
6-$6%6$6%6$6%6$6$6 SJD26LVSL CHAPTER 5. WIRING DIAGRAM [1] WIRING DIAGRAM Be sure to replace the electrical parts with specified ones for maintaining the safety and performance of the set. COMPRESSOR STARTING RELAY (BL) RUNNING CAPACITOR 5 – 1... -
Page 13: Electric Accessories Layout
6-$6%6$6%6$6%6$6$6 [2] ELECTRIC ACCESSORIES LAYOUT F-LOUVER ASS’Y CABINET FAN MOTOR FM LEAD EV COVER HARNESS FL ASS’Y FUSE DEF-THERMISTOR DEF-HEATER R-CBOX-K LAMP R-THERMISTOR DOOR SWITCH TERMINAL COVER PROTECTOR COMPRESSOR RUN CAP. RELAY WIRE ASS’Y STARTING RELAY (BOTTOM ANGLE) 5 – 2... -
Page 14: Precaution For Using Lead-Free Solder
6-$6%6$6%6$6%6$6$6 [] PRECAUTIONS FOR USING LEAD-FREE SOLDER 1. Employing lead-free solder The PWB of this model employs lead-free solder. This is indicated by the "LF" symbol printed on the PWB and in the service manual. The suffix letter indicates the alloy type of the solder. Example: Indicates lead-free solder of tin, silver and copper 2. -
Page 15: Chapter 6. Failure Diagnosis
6-$6%6$6%6$6%6$6$6 SJ431NSL CHAPTER 6. FAILURE DIAGNOSIS Service Manual [1] OUTLINE OF CONTROL 1. ON/OFF Control of Compressor When the plug of refrigerator is connected, the compressor will start automatically and run for approximately 5 minutes. After then, ON/OFF of the compressor will be controlled depend on the temperature detected by the R-thermistor. -
Page 16: Re-Setting Of Microcomputer At Power Failure
6-$6%6$6%6$6%6$6$6 [3] RE-SETTING OF MICROCOMPUTER AT POWER FAILURE • At the power failure for over 0.1 second, the control of the microcomputer will be reset. When the power is re-supplied, the temperature of R-thermistor will be detected again and ON/OFF of the compressor will be decided. •... -
Page 17: Conversion Table
6-$6%6$6%6$6%6$6$6 [5] CONVERSION TABLE Conversion Table between R-thermistor and Def-thermistor Temperature and Resistance Value Temperature Resistance Value Temperature Resistance Value Temperature Resistance Value (°C) (kΩ) (°C) (kΩ) (°C) (kΩ) 26.1 11.49 24.54 10.88 5.23 23.08 10.3 4.98 21.72 9.75 4.74 20.46 9.24 4.52... -
Page 18: Circuit Diagram Of Main Pwb
6-$6%6$6%6$6%6$6$6 [6] CIRCUIT DIAGRAM OF MAIN PWB 6 – 4... -
Page 19: Chapter 7. Functions Adjustable Temperature Control
6-$6%6$6%6$6%6$6$6 SJD26LVSL CHAPTER 7. FUNCTIONS [1] ADJUSTABLE TEMPERATURE CONTROL 1. Temperature control 1) FREEZER COMPARTMENT The FREEZER TEMP. CONTROL regulates the quantity of cold air to the freezer. "MAX" setting directs more cold air to the freezer compartment. (making the freezer compartment colder) "MIN"... - Page 20 6-$6%6$6%6$6%6$6$6 3. Temp. control system Freezer Temp. Control Knob The FREEZER TEMP. CONTROL regulates the quantity of cold air to the freezer. MAX setting directs more cold air to the freezer compartment. (making the freezer compartment colder) MIN setting directs less cold air to the freezer compartment. (making the freezer compartment less colder) Cold air Coldest...
- Page 21 6-$6%6$6%6$6%6$6$6 SJD26LVSL CHAPTER 8. ASSEMBLING PROCEDURES OF MAIN PARTS AND CAUTIONS CAUTION: DISCONNECT THE UNIT FROM THE POWER SUPPLY BEFORE ANY REPAIRING. [1] F-LOUVER ASS'Y (SJ-A20S/B21S/A24S/B25S/A28S/B27S) 1. Fan motor ass'y Propeller fan 90 Fan motor holder a Fan clamp Lead EV-cover Slit area Motor cushion U-sealer handle...
- Page 22 6-$6%6$6%6$6%6$6$6 2. EV-cover ass'y 1. Bind Fuse ass'y with L-band c. Then wind glass cloth tape (W25 x L50mm ) to lead wire of Fuse ass'y (Figure A-5). L-band c Fuse ass’y Glass cloth tape W25xL50 Figure A-5 2. Stick EVC-sealer a to square hole of EV-cover. 3.
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Page 23: F-Louver Ass'y
6-$6%6$6%6$6%6$6$6 3. F - louver ass'y 1. Set F-louver to front side of EV-cover with double face tape (W15xL45mm.). 2. Insert F-control knob to F-louver. Then set to front side of EV-cover. 3. Stick EVC-sealer c to bottom of F-louver ass'y. Lead EV-cover Fan motor holder a F-louver... -
Page 24: F-Louver Ass'y (Sj-A31S/A34S)
6-$6%6$6%6$6%6$6$6 [2] F-LOUVER ASS'Y (SJ-A31S/A34S) 1. Fan motor ass'y Fan motor holder b Tapping screw Motor cushion Fan motor Motor cushion U-sealer handle Tapping screw Fan motor holder a Slit area Fan clamp U-sealer handle Lead EV-cover BROWN Propeller fan 100 Figure A-1 1. - Page 25 6-$6%6$6%6$6%6$6$6 2. EV-cover ass'y 1. Bind Fuse ass'y with L-band c. Then wind glass cloth tape (W25 x L50mm ) to lead wire of Fuse ass'y (Figure A-5). L-band c Fuse ass’y Glass cloth tape W25xL50 Figure A-5 2. Stick EVC-sealer a to square hole of EV-cover. 3.
- Page 26 6-$6%6$6%6$6%6$6$6 3. F - louver ass'y 1. Set F-louver to front side of EV-cover with double face tape (W15xL45mm.). 2. Insert F-control knob to F-louver. Then set to front side of EV-cover. 3. Stick EVC-sealer c to bottom of F-louver ass'y. Lead EV-cover Fan motor holder a F-louver...
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Page 27: R Control Cov. Ass'y
6-$6%6$6%6$6%6$6$6 [3] R CONTROL COV. ASS'Y R-Control knob R-C Box cover Control label Lamp Figure A-10 1. Insert Lead R-Thermistor to Lead R-C Box. 2. Inset Lead R-C box to PWB L ass'y. 3. Assemble the PWB L ass’y with PWB holder A and then assemble the PWB holder A with PWB holder B. 4. - Page 28 6-$6%6$6%6$6%6$6$6 5. Assemble Lamp with R-C Box cover then fix with 2 tapping screw. 6. Stick Knob sealer on R-C Box cover and then insert Knob joint to R-C Box cover. 7. Assemble the PWB ass'y with R-C Box cover. And place the R-Thermistor on the groove of R-C Box cover. 8.
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Page 29: How To Replace The Lamp
6-$6%6$6%6$6%6$6$6 [4] HOW TO REPLACE THE LAMP 1. Remove the Light cover. 2. Remove the 2 screw, and pull the Lamp out. Screw 3. Insert the new Lamp to the connector, and fix with 2 screws. 4. Set the Light cover. 8 –... -
Page 30: Defrost Heater
6-$6%6$6%6$6%6$6$6 [5] DEFROST HEATER 2. Replacement of Def. heater. 1. Remove the aluminium tape on Heater support to take it off from 1. Taking-out Evaporator the food liner. 1. Take-out Fan louver ass’y. 2. Raise the protrusion part of Heater support. Then remove Heater cover. - Page 31 6-$6%6$6%6$6%6$6$6 4. Replace Def. heater ass’y with new one. 3. Installing of Evaporator 1. Install Evaporator as shown in Figure.A-15 in the reverse order of Heater cover Figure.A-16. 2. Correct the deformed fin. NOTE: 1.When installing Evaporator, take care not to deform signifi- cantly and break the pipes.
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Page 32: Chapter 9. Cooling Unit
6-$6%6$6%6$6%6$6$6 SJ26NSL CHAPTER 9. COOLING UNIT Service Manual [1] COOLING UNIT NOTE: The iron pipe is partly used of this refrigerator. Please note the following points when brazing the iron pipe. • Brazing material should be silver brazing rod. (To be equivalent with BAg-20 or BAg-7) •... -
Page 33: Location
6-$6%6$6%6$6%6$6$6 [2] LOCATION 1. Location 1 Dryer Capillary tube Dryer connector Hot pipe Charge pipe Evaporator Charge pipe L Back condenser Suction pipe Discharge connector P connector Compressor Mark shows Cu brazing points Mark shows Ag brazing points 2. Location 2 Discharge P.