Sharp SJ-WS320TS Service Manual

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SJ-WS320T
SJ-WP320T
SJ-WM322T
For the models with Refrigerant; R600a
Refer to "REFRIGERATING-CYCLE REPAIR MANUAL" for handling this refrigerant.
For the models with Refrigerant; HFC-134a
Refer to "HFC-134a COOLING UNIT" Service Manual for handling this refrigerant.
[2] SPECIFICATION .................................... 2
[3] FICHE ................................................... 4
1 EXTERNAL DESCRIPTION ..................... 5
2 CONSTRUCTIONS ................................. 5
[5] DIMENSIONS
2 INNER DIMENSIONS .............................. 7
[6] LIST OF ELECTRICAL PARTS .................. 8
1 WIRING DIAGRAM ................................. 9
3 CIRCUIT DIAGRAM ................................. 13
SERVICE MANUAL
Refrigerator-freezer
MODEL
SJ-RP320T
SJ-RM320T
CONTENTS
............ 6
SJ-WS320T-S/BK
SJ-RP320T-S/BK/BE
SJ-WP320T-S/BK/BE
SJ-RM320T-SL/B/WH
SJ-WM322T-SL/B/WH
DESTINATION
1 OUTLINE OF CONTROL ........................... 20
[9] SELF-DIAGNOSIS MODE ........................ 23
[10] MODE FOR DISPLAY ........................... 30
PROCEDURES .......................................... 31
[12] COOLING UNIT
1 COOLING UNIT ....................................... 50
2 LOCATION ............................................. 51
Parts Guide
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
SJ-WS320T-S
No.S0065SJ32ARUET
E

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  Summary of Contents for Sharp SJ-WS320TS

  • Page 1: Table Of Contents

    SJ-WS320T-S SERVICE MANUAL No.S0065SJ32ARUET Refrigerator-freezer MODEL SJ-WS320T-S/BK SJ-RP320T-S/BK/BE SJ-WP320T-S/BK/BE SJ-RM320T-SL/B/WH SJ-WM322T-SL/B/WH SJ-WS320T SJ-RP320T SJ-WP320T SJ-RM320T DESTINATION SJ-WM322T For the models with Refrigerant; R600a Refer to "REFRIGERATING-CYCLE REPAIR MANUAL" for handling this refrigerant. For the models with Refrigerant; HFC-134a Refer to "HFC-134a COOLING UNIT" Service Manual for handling this refrigerant. CONTENTS [1] ENERGY LABEL / INSTALATION ……………...
  • Page 2: Energy Label / Instalation

    SJ-WS320T-S [ 1 ] ENERGY LABEL / INSTALATION 1. ENERGY LABEL Usage of "the ENERGY LABEL" • When displaying this refrigerator in the shop-window, attach the "ENERGY LABEL" to it in the following procedure. Fix the data part of "ENERGY LABEL (DATA)" on the data part of "ENERGY LABEL (BASE)"...
  • Page 3 SJ-WS320T-S [ 2 ] SPECIFICATIONS Items SJ-WS320T SJ-RP320T SJ-WP320T SJ-RM320T SJ-WM322T Type 2 Door Outer dimensions Height 1850 mm ( 72.8 ") Width 600 mm ( 23.6 ") Depth 650 mm ( 25.6 ") Rated storage volume Total 326 liter ( 11.5 cu.ft) Freezer 89 liter ( 3.1 cu.ft) Refrigerator...
  • Page 4 SJ-WS320T-S RATING Items SJ-WS320T SJ-RP320T SJ-WP320T SJ-RM320T SJ-WM322T Rated voltage (V~) 220-240 Rated frequency (Hz) Climate class SN-T Rated current 0.7-0.8 0.5-0.6 0.7-0.8 Rated input of heating systems (W) 121-142 Defrosting input 121-142 Refrigerant (Charging quantity) R-600a ( 57 g) R134a ( 110 g) [Flammable] [Non-flammable]...
  • Page 5: Fiche

    SJ-WS320T-S [ 3 ] FICHE THE FICHE(according to ANNEX : 94/2/EC) NO. Items Description Remark Trade mark SJ-WS320T, SJ-WP320T, Model name SJ-WM322T SJ-RP320T SJ-RM320T Type Category;7 Category;7 Category;7 fridge/freezer Energy efficiency class A++/A+/A~G Eco-award mark ― ― ― 880/92 EN153:2006 Energy consumption (230V 50Hz at 25°C) kWh/year kWh/year...
  • Page 6: Designation Of Various Parts

    SJ-WS320T-S [ 4 ] DESIGNATION OF VARIOUS PARTS 1. EXTERNAL DESCRIPTION The names in parenthesis “[ ]” are the denominations used in the REPLACEMENT PARTS LIST. 1. LED light [LED lamp pwb ass’y] 2. Hybrid cooling panel (Aluminum panel) 3. Refrigerator shelf [R glass shelf ass’y] 4.
  • Page 7: Outer Dimensions And Clearance

    SJ-WS320T-S [ 5 ] DIMENSIONS 1. OUTER DIMENSIONS AND CLEARANCE 1) SJ-WS320T/WP320T/WM322T (Unit : mm) 2) SJ-RP320T/RM320T 1040 (Unit : mm)
  • Page 8: Inner Dimensions

    SJ-WS320T-S 2. INNER DIMENSIONS The dimensions between shelves can be changed by setting the shelves on the other rails. 419.5 97.5 97.5 400.5 396.5 396.5 (Unit : mm)
  • Page 9: List Of Electrical Parts

    SJ-WS320T-S [ 6 ] LIST OF ELECTRICAL PARTS ITEMS PARTS CODE TYPE NAME RATING SPECIFICATIONS R Thermistor RH-HXA139CBZZ — DC5V R0 = 6.4 kΩ, B(0) = 3811 F Thermistor RH-HXA135CBZZ — DC5V R0 = 6.4 kΩ, B(0) = 3811 Def-themistor RH-HXA118CBZZ — DC5V R0 = 15 kΩ, B(0) = 3811 Damper ass'y DTHM-A031CBKZ — DC12V — F fan motor RMOTRA096CBZZ FBA12J15VXD DC15V...
  • Page 10: Wiring Diagram

    SJ-WS320T-S [ 7 ] WIRING DIAGRAM 1. WIRING DIAGRAM Be sure to replace the electrical parts with specified ones for maintaining the safety and performance of the set. 1) SJ-WS320T/RP320T TERMINAL Plug / Cord Compressor Inverter PWB Protector Fuse 1 2 3 Defrost Heater 1 2 3 1 2 3 4 5 6 7 MAIN R-reed SW AC/DC Display PWB ass’y Fuse3...
  • Page 11 SJ-WS320T-S 2) SJ-WP320T/RM320T/WM322T TERMINAL Plug / Cord Protector Compressor Running capacitor PTC starter Defrost Heater Fuse 1 2 3 4 5 6 7 8 9 10 MAIN R-reed SW AC/DC Fuse2 Display PWB ass’y 1 2 3 4 5 6 7 8 9 10 11 1213 14 15 16 1718 19 20 Defrost-thermistor Light F-thermistor...
  • Page 12: Electric Accessories Layout

    SJ-WS320T-S 2. ELECTRIC ACCESSORIES LAYOUT 1) SJ-WS320T/RP320T...
  • Page 13 SJ-WS320T-S 2) SJ-WP320T...
  • Page 14 SJ-WS320T-S 3) SJ-RM320T/WM322T...
  • Page 15: Circuit Diagram

    SJ-WS320T-S 3. CIRCUIT DIAGRAM 1) Main PWB (SJ-WS320T/RP320T)
  • Page 16 SJ-WS320T-S 2) Main PWB (SJ-WP320T/RM320T/WM322T)
  • Page 17 SJ-WS320T-S 3) Display PWB (SJ-WS320T/RP320T/WP320T)
  • Page 18 SJ-WS320T-S 4) Display PWB (SJ-RM320T/WM322T)
  • Page 19: Precautions For Using Lead-Free Solder

    SJ-WS320T-S 4. 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) Using lead-free wire solder When repairing a PWB with the "LF"...
  • Page 20: Failure Diagnosis

    SJ-WS320T-S [ 8 ] FAILURE DIAGNOSIS 1. OUTLINE OF CONTROL 1) ON/OFF Control of Compressor ON/OFF of the compressor will be controlled depend on the temperature detected by the R-thermistor and F-thermistor. (Normal cooling control) In case the surrounding temperature is high at the power supply input, the compressor will be ON at once and the normal cooling control will start after several hours.
  • Page 21: Diagnosis Method Of Failure Around Pwb

    SJ-WS320T-S 4. DIAGNOSIS METHOD OF FAILURE AROUND PWB In case of any abnormality of refrigerator, check by the following procedure; 1. Disconnect power supply and check the following point. • Is there any failure portion in inserting connectors? 2. Detach the PWB and check the appearance. • Is there any burning or abnormal damage? 3.
  • Page 22: Conversion Table Between Temperature And Resistance Value

    SJ-WS320T-S 5. CONVERSION TABLE BETWEEN TEMPERATURE AND RESISTANCE VALUE 1) R-thermistor, F-thermistor Temperature Resistance Value Temperature Resistance Value Temperature Resistance Value (°C) (KΩ) (°C) (KΩ) (°C) (KΩ) 26.1 10.3 24.5 23.1 21.7 20.5 19.3 18.2 17.1 16.2 15.3 14.4 13.6 12.9 12.2 11.5...
  • Page 23: Self-Diagnosis Mode

    SJ-WS320T-S [ 9 ] SELF-DIAGNOSIS MODE 1. Entering method of the mode 1) Press the [Select] button on the control panel over 5 seconds at the opening condition of the refrigerating room door. 2) With a beep sound of buzzer, the self-diagnosis mode is entered.
  • Page 24 SJ-WS320T-S 4. Defect display Correspondance Status Buzzer Content Display method No defects None None -- -- - F-thermistor system defect E.01 Defect of each thermistor, short circuit/wire breakage of → [1] thermistor wiring and defect of main PWB R-thermistor system defect E.02 →...
  • Page 25 SJ-WS320T-S 6. Correspondence method [ 2 ] [ 1 ] .02 / .62 / .76 .01 / .61 / (F-thermistor system diagnosis) (R-thermistor system diagnosis) Power OFF Power OFF 2.47 Remove 6P connector from E.V. Remove 2P connector from left side R room lamp Assy and cover Assy and measure the thermistor resistance between...
  • Page 26 SJ-WS320T-S [ 3 ] [ 5 ] .03 / (Defrosting diagnosis) (DEF-thermistor system diagnosis) Turn power OFF. After approx. 30 sec., open the refrigerating room door and re-energize. (Buzzer beeps continuously) Power OFF Forced defrosting (Measurement is impossible when DEF-thermistor is set at 10°C or higher because defrosting ends immediately) After approx.
  • Page 27 SJ-WS320T-S [ 6 ] .11 / .08 / (Fan motor system diagnosis) (Plasmacluster system diagnosis) Under compressor operating, close the door switch of CN5 on the main PWB are positively engaged? (DC 14.5V) (Closed the refrigerating room door) Fan motor rotates? of 6P connector on R c-box Assy are positively engaged?
  • Page 28 SJ-WS320T-S SJ-WS320T/RP320T .30 / .32 / .33 / .34 / .35 / .40 ( Inverter diagnosis) Power OFF Disconnect connector CN2 of the main PWB and measure the resistance between pins on the wiring side. Is it 0 Ω? Is the wiring to the compressor protector normal? Improve the wiring.
  • Page 29 SJ-WS320T-S [11] .81 (LED light system of left side diagnosis) Power OFF Are pins   and of connector CN15 of the main PWB are securely connected to the 2P connector of the left LED light PWB? Replace the main PWB Replace the left LED light PWB.
  • Page 30: Mode For Display

    SJ-WS320T-S [ 10 ] MODE FOR DISPLAY button 1) Entering method of the mode Within 2 minutes after main power input, press the [ ] button over 5 seconds at the opening condition of the refrigerating room door. 2) Release of the mode Press the [ ] button over 5 seconds at the opening condition of the refrigerating room door.
  • Page 31: Disassembling/Assembling Procedures

    SJ-WS320T-S [ 11 ] DISASSEMBLING/ASSEMBLING PROCEDURES 1. REFRIGERATOR COMPARTMENT Parents parts name Included main parts R control cov. ass’y Plasmacluster unit, Damper ass’y Duct cover Deodorizer R-thermistor ( Inside LED cover ) 1. Disassembling procedures 1. Remove the accessories(shelves, vegetable case, 4.
  • Page 32 SJ-WS320T-S 2. Assembling procedures of R shower duct ass’y A-sealer r-shower-d R-shower insu.a A-sealer cp-front Screw hole cover AI panel R shower duct 1. Stick A-sealer r-shower-d to R-shower insu.a. R-shower insu.a R-shower insu.a A-sealer r-shower-d A-sealer r-shower-d A-sealer r-shower-d 25~30 OVER LAP All around...
  • Page 33 SJ-WS320T-S 3. Assembling procedures of R control cov. ass’y Ra sealer a R air guider b A-sealer rc-d Damper ass’y A-sealer damper R air guider a Plasmacluster unit R-c box cover 1. Stick A-sealer rc-d to Damper ass’y. 2. Insert R-c box herness to Damper ass’y. Damper ass’y A-sealer rc-d R-c box harness...
  • Page 34 SJ-WS320T-S 8. Fix 7) ass’y to Rc box cover. R-c box cover Hook Hook >PS< A217 >PP< A295 4. How to remove the LED cover Included main parts LED lamp pwb ass’y ( Inside LED cover) 1. Remove the Screw cover, and the Screw. 2.
  • Page 35 SJ-WS320T-S 2. FREEZER COMPARTMENT Parents parts name Included main parts E.v cover ass’y Fuse ass’y, Def-thermistor, F-thermistor, F fan motor 1. Disassembling procedures 5. Remove the Ev terminal cover, and disconnect the 1. Disconnect the accessories(shelf, case, etc.). connectros. 2. Remove the Ice frame. Insert the flat-head screwdriver into the latch, and lift and move it to the right.
  • Page 36 SJ-WS320T-S 2. Assembling procedures of E.v cover ass’y E.v cover sealer b E.v cover sealer a E.v cover sealer d Def-thermistor Ev-cov.sealer c F fan motor Ev cover al Fuse ass’y E.v cover sealer a F-thermistor E.v cover 1. Stick Ev-cov.sealer c to F fan motor. Put in the concavity F fan motor Ev-cov.sealer c...
  • Page 37 SJ-WS320T-S 3. Stick E.v cover sealer a, b to E.v cover. 4. Set F fan motor, F-thermistor, Def-thermistor, F fuse ass’y in the E.v cover and stick Ev cover al. E.v cover sealer b OVER LAP 40~50 E.v cover sealer a E.v cover sealer a E.v cover sealer b E.v cover sealer b...
  • Page 38 SJ-WS320T-S 3. HOW TO REMOVE THE CONTROL PANEL Included main parts Display pwb ass’y ( Inside Control box base) 1. Remove the Control panel. 2. Remove the Control box base. Control panel Control box base Control panel Control panel...
  • Page 39 SJ-WS320T-S 4. DEFROST HEATER ASSEMBLY 2. Replacement of Def. heater ass’y. 1. Taking-out Evaporator 1.Remove the Ev cover al,the Fl al sheet. 1. Take-out Fan louver. Remove the Screw. 2. Take-out E.V cover ass’y. 2. Take off the Drain support al from the food liner. Drain support al Evaporator Food liner convex part...
  • Page 40 SJ-WS320T-S 5. Replace Def. heater ass’y with new one. Heater cover Def. heater ass'y Drain support al Figure A-7 6. Bend the end of Drain support 90°. Drain support al Figure A-8 7. Assemble Defrost heater to Drain support al. 8.
  • Page 41 SJ-WS320T-S 10.Fix the Fl al sheet, and the Ev cover al. projection Ev cover al 4 Adjust to projection of Food liner 2 Cover the screw 1 Adjust to left end of Heater support 3 Adjust to bottom line Fl al sheet Fl al sheet Figure A-10 3.
  • Page 42 SJ-WS320T-S 5. HOW TO DISASSEMBLE, REASSEMBLE AND ADJUST THE DUAL SWING DOOR (SJ-WS320T / SJ-WP320T / SJ-WM322T) • When replacing or adjusting the door, silicone grease (FPAK-A281CBEZ) is required. 1. Parts constitution of Dual swing doors (1) Refrigerator door(R door) Upper hinge cover R-upper hinge ass'y R-hinge cam tl...
  • Page 43 SJ-WS320T-S (2) Freezer door (F door) C-hinge support l C-hinge support tl C-hinge support tr F-upper hinge ass'y F-hinge cam tl Center hinge cover l C-hinge support r F-hinge cam tr Door cam cover l Center hinge cover r F door cam tl-k Door cam cover r Cam lever r F door cam tr-k...
  • Page 44 SJ-WS320T-S 2. Door troubleshooting - Symptom and corrective action [Symptom] 1. Door(s) cannot be easily opened or closed. Or, one door cannot be opened. 2. Door will not be closed tightly (leaving gap). 3. Door will not be closed tightly (deviating and creating step). 1.
  • Page 45 SJ-WS320T-S 3. How to remove the door (R and F doors) 4. How to install the door (R and F doors) (1) Remove the Door cam cover l. (F door only) (1) To four corner Door cams, apply silicone oil to the part shown in the figure below.
  • Page 46 SJ-WS320T-S 5. Assembling procedure of F Door upper (4) Install C-hinge support tr and tl. hinge ass’y and associated parts (1) Install F-hinge cam tr and tl to right and left F-upper hinge ass’y, respectively. F-upper hinge ass’y C-hinge support tr F-hinge cam tr (5) Install C-hinge cover r and l.
  • Page 47 SJ-WS320T-S 6. Door adjusting procedure CAUTION: • At the end of adjusting procedure, check the related parts and fasteners for missing and looseness. Poor installation will cause falling of door. • Before adjusting, take out the foods from the refrigerator compartment and door pocket. [Symptom suggesting need of readjustment] • Door will not open/close smoothly.
  • Page 48 SJ-WS320T-S (1) Check the left and right rollers for run on height. (R and F) (Side view) Roller Door Acceptable run on height R door : 2.5~3.5 mm Run on height F door : 3~4 mm Difference in run on height between right and left Rollers Btm hinge s ass'y should be within 0.5 mm.
  • Page 49 SJ-WS320T-S (4) Adjust the upper hinge ass’y. [5] Check the clearance between the R-upper hinge ass’y and Door cam. (4)-1 R door [1] Loosen the screws securing R-upper hinge ass’y (four each on right and left). R-upper hinge ass'y [2] Rock the door back and forth 5 times. Adequate clearance (Because the positional relationship between the door 2 +0/-1 mm...
  • Page 50 SJ-WS320T-S (4)-2 F door [5] Check the clearance between the F-upper hinge Remove the Control panel and Control box base. See ass’y and Door cam. [11] 3. HOW TO REMOVE THE CONTROL PANEL. [1] Loosen the screws securing F-upper hinge ass’y F-upper hinge ass'y (three each at right and left side).
  • Page 51: Cooling Unit

    SJ-WS320T-S [ 12 ] COOLING UNIT 1. COOLING UNIT Mark : Refrigerant flow...
  • Page 52: Location

    SJ-WS320T-S 2. LOCATION 2-1. SJ-WS320T/RP320T 1) LOCATION 1 CAPILLARY TUBE DRYER F-DP CONDENSER CHARGE PIPE L CHARGE PIPE L HOT PIPE EVAPORATOR DCP CONNECTOR COMPRESSOR S.P CONNECTOR SUCTION PIPE : Mark shows welding points(steel to copper) : Mark shows welding points(Copper to copper) : Mark shows pinch points 2) LOCATION 2 SUCTION PIPE...
  • Page 53 SJ-WS320T-S 2-2. SJ-WP320T/RM320T 1) LOCATION 1 CAPILLARY TUBE DRYER F-DP CONDENSER CHARGE PIPE L CHRG PIPE L HOT PIPE EVAPORATOR DCP CONNECTOR COMPRESSOR S.P CONNECTOR SUCTION PIPE : Mark shows welding points(steel to copper) : Mark shows welding points(Copper to copper) : Mark shows pinch points 2) LOCATION 2 SUCTION PIPE...
  • Page 54 SJ-WS320T-S 2-3. SJ-WM320T 1) LOCATION 1 CAPILLARY TUBE DRYER F-DP CONDENSER CHARGE PIPE L CHARGE PIPE L EVAPORATOR HOT PIPE MUFFLER ASS'Y DCP CONNECTOR COMPRESSOR S.P CONNECTOR SUCTION PIPE : Mark shows welding points (Steel to copper) : Mark shows welding points (Copper to copper) 2) LOCATION 2 SUCTION PIPE CHARGE PIPE L (A726)