Sharp SJ-D20N-SLG, Service Manual

Page 1: ...F DEFROST HEATER Forced Defrosting 6 1 3 RE SETTING OF MICROCOMPUTER AT POWER FAILURE 6 2 4 DIAGNOSIS METHOD OF FAILURE 6 2 5 CONVERSION TABLE 6 3 6 CIRCUIT DIAGRAM OF MAIN PWB 6 4 CHAPTER 7 FUNCTIONS 1 ADJUSTABLE TEMPERATURE CONTROL 7 1 CHAPTER 8 ASSEMBLING PROCEDURES OF MAIN PARTS AND CAUTIONS 1 F LOUVER ASS Y 8 1 2 R CONTROL COV ASS Y 8 4 3 HOW TO REPLACE THE LAMP 8 6 4 DEFROST HEATER 8 7 CHAPT...

Page 2: ...cube maker Twin ice cube maker Ice storage box 1 Door pocket 1 2 Refrigerator Compartment Fresh case 1 R shelf ass y 1 R shelf S ass y 1 R shelf L ass y 1 V shelf 1 Vegetable case 1 Egg pocket 1 Small pocket 1 Carry case ass y 1 Bottle pocket 1 Door pocket 1 Deodorizing unit 1 Honeycomb type Stand Yes No RATING Items SJ D20N SJ D24N SJ D28N SJ D29N Rated voltage V 220 Rated frequency Hz 50 Climate...

Page 3: ...4 Ice cube maker 5 Ice cube box Ice storage box 6 Fresh room 7 Refrigerator temp control knob 8 Light Lamp 9 Refrigerator shelf R shelf ass y Except for SJ D20N 10 Half shelf 1 pair R shelf s ass y R shelf l ass y 11 Vegetable shelf V shelf 12 Vegetable crisper Vegetable case 13 Adjustable foot Adjustable leg 14 Magnetic door seal Door packing 15 Door pocket SJ D20N SJ D24N 2 pockets SJ D28N SJ D2...

Page 4: ... motor Def thermistor F temp control knob R temp control knob Evaporator Defrost heater Deodorizing unit R thermistor PWB L ass y Running capacitor Lamp Compressor Starting relay Protector Evaporating pan Mark Cold air flow Fuse ass y ...

Page 5: ... Service Manual CHAPTER 3 DIMENTIONS 1 OUTER DIMENTIONS AND CLEARANCE 1 SJ D20N 2 SJ D24N Unit mm 9 34 4 620 638 5 1095 545 1155 365 970 545 443 5 757 5 1253 Unit mm 9 34 4 620 638 5 1095 545 1155 365 970 545 443 5 893 5 1389 ...

Page 6: ...SJD24NSLG 3 2 3 SJ D28N 4 SJ D29N Unit mm 9 34 4 620 638 5 1095 545 1155 365 970 545 515 5 923 5 1491 Unit mm 9 34 4 620 638 5 1095 545 1155 365 970 545 515 5 1059 5 1627 ...

Page 7: ...43 391 38 33 138 140 417 417 363 208 371 366 366 137 208 126 76 103 250 143 107 66 180 75 120 80 211 292 340 Unit mm 196 55 43 380 390 45 391 38 33 138 140 169 417 417 363 208 168 371 366 366 67 30 107 67 137 208 253 271 214 230 197 434 126 76 103 250 143 107 66 180 75 120 80 91 211 292 50 340 Unit mm ...

Page 8: ...66 202 176 126 76 464 144 123 184 196 180 75 120 80 91 168 50 30 107 67 371 366 67 366 67 366 292 130 130 211 Unit mm 391 38 33 55 43 138 140 390 169 417 417 417 363 208 137 208 284 376 232 168 193 602 214 45 103 250 143 107 66 66 202 176 126 76 196 180 75 120 80 91 168 50 30 107 67 371 366 67 366 67 366 292 130 130 211 Unit mm ...

Page 9: ...Close 120 61 C Cooling capacity 136W 50Hz Main coil 23 8 Aux coil 42 4 at 75 C W Common Aux coil Main coil 240V 15W Door switch SDKNA20101 250V 0 25A 3 Terminals push button type RATING SPECIFICATIONS R Thermistor Def Thermistor 187 StraightTerminal 125V 0 5 A 5TM149PFBYY 53 33 at 25 C Running Capacitor RC EZA237CBZZ 400V 3 Fan motor 3R00044B AC 200 240V 50Hz 250V 10A DC 5V R0 6 4 k B 0 3811 DC 5V...

Page 10: ... sure to replace the electrical parts with specified ones for maintaining the safety and performance of the set SOURCE CORD BR FAN MOTOR FM O DOOR SWITCH BR L LAMP S B BL DEF THERMISTOR R THERMISTOR 2 2 FUSE W DEF HEATER BK PWB STARTING RELAY COMPRESSOR PROTECTOR GY RUNNING CAPACITOR ...

Page 11: ...T F LOUVER ASS Y FAN MOTOR FM LEAD EV COVER FUSE DEF THERMISTOR DEF HEATER R CBOX K PWB LAMP R THERMISTOR DOOR SWITCH TERMINAL COVER COMPRESSOR PROTECTOR STARTING RELAY CABINET HARNESS FL ASS Y SOURCE CORD RELAY WIRE ASS Y BOTTOM ANGLE RUN CAP ...

Page 12: ...st heater can be checked by starting it In case the failure of defrosting is suspected this is an effective inspection method 1 Starting Method At the power OFF condition 1 Keep the door of the refrigerator compartment open 2 Set the Temp Control Knob in the refrigerator compartment to the following position 220 240V models Center 110 127V models Max 3 Keep the door open and supply power source 2 ...

Page 13: ... is used Be sure to detach the connector CN1 before measuring the resistance between the both ends of the fuse by the tester Next measure the resistance value between the both leads of the varistor 4 Check whether the temperature resistance value shown by R thermistor is correct or not Refer to the table below Detach the connector CN3 on the PWB and measure the resistance value between 1 and 2 pin...

Page 14: ...C Resistance Value kΩ Temperature C Resistance Value kΩ 25 26 1 11 11 49 3 5 5 24 24 54 10 10 88 4 5 23 23 23 08 9 10 3 5 4 98 22 21 72 8 9 75 6 4 74 21 20 46 7 9 24 7 4 52 20 19 27 6 8 76 8 4 3 19 18 16 5 8 3 9 4 1 18 17 13 4 7 87 10 3 91 17 16 16 3 7 47 11 3 73 16 15 25 2 7 09 12 3 56 15 14 4 1 6 74 13 3 4 14 13 6 0 6 4 14 3 24 13 12 85 1 6 08 15 3 1 12 12 15 2 5 78 ...

Page 15: ...SJD24NSLG 6 4 6 CIRCUIT DIAGRAM OF MAIN PWB ...

Page 16: ...MIN With the FREEZER TEMP CONTROL set to MAX there will be less cold air directed to the refrigerator compartment and the refrigera tor compartment may not become cold enough 2 Reference value of temperature The values tables 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 the machine has been operat...

Page 17: ...f cold air controlling the compressor the fan running time high cold power controlling the compressor the fan running time 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 freez...

Page 18: ... cover Fan motor Motor cushion Fan motor holder a Propeller fan 90 Fan clamp Slit area Figure A 1 Fan motor holder b U sealer handle U sealer handle Fan motor holder b Lead EV cover Fan motor Fan clamp Propeller fan 90 Detail of D Propeller fan 90 Fan clamp Fan motor Motor cushion Motor cushion Fan motor holder b Fan motor holder a Note 1 Assemble so that terminal of Fan motor does not deform 2 Ta...

Page 19: ... 2 on the 6P connector of Lead EV cover Figure A 7 7 After wiring at rear of EV cover take out lead wire from square hole to front and fix with L band c Then stick EVC sealer b to lead wire Fuse ass y L band c Glass cloth tape W25xL50 Figure A 5 Note Fan motor ass y Tapping screw Def thermistor W25xL50 Glass cloth tape Stick Al tape from here Aluminum tape W39xL135 L band c SEC D D SCALE 2 1 FUSE ...

Page 20: ...ver Fan motor holder a Fan motor holder b F louver F control knob Fan motor holder a Fan motor holder b EV cover NO CLEARANCE Double face tape W15xL45 more than 3 5mm more than 3 5mm Figure A 8 Lead EV cover EV cover F louver F control knob arm B F louver arm A F control knob F louver F control knob SEC B B SEC C C Attachment specification of the F control knob arm B The F control knob is inserted...

Page 21: ...B L ass y with PWB holder A and then assemble the PWB holder A with PWB holder B 4 Stick the R control AL on PWB holder A B ass y Lamp R C Box cover Control label R Control knob Figure A 10 Lead R Thermistor White wire Lead R C Box Lead R C Box PWB holder B PWB holder A Lead sealer Figure A 11 PWB holder A R control AL PWB holder B ...

Page 22: ...emble the PWB ass y with R C Box cover And place the R Thermistor on the groove of R C Box cover 8 Insert Lead R C Box to Lamp 9 Insert R Control knob to R C Box cover 10 Stick Control Label on R C Box cover R C Box cover Knob sealer R C Box cover Knob joint Figure A 12 PWB holder R Thermistor R C Box cover Lamp Figure A 13 Control label R Control knob Figure A 14 ...

Page 23: ...SJD24NSLG 8 6 3 HOW TO REPLACE THE LAMP 1 Remove the Light cover 2 Remove the 2 screw and pull the Lamp out 3 Insert the new Lamp to the connector and fix with 2 screws 4 Set the Light cover Screw ...

Page 24: ...Still take care not to hurt yourself by fin of Evaporator 2 Replacement of Def heater 1 Remove the aluminium tape on Heater support to take it off from the food liner 2 Raise the protrusion part of Heater support Then remove Heater cover 3 Open Def heater fixed part of Heater support al to the right and left then remove Def heater ass y Evaporator Food liner convex part Figure A 15 Food liner conv...

Page 25: ...f Figure A 16 2 Correct the deformed fin NOTE 1 When installing Evaporator take care not to deform signifi cantly and break the pipes 2 Take care not to damage the lead wires and hurt yourself by the fin of Evaporator 3 You shouldn t touch Defrost Heater with your bare hand you should were pure gloves 4 You should wipe that with alcohol When you touch Defrost heater with your bare hand Heater supp...

Page 26: ...he plating on the iron pipe end 20mm by the sandpaper Put the flux on silver brazing rod and dry the flux by the flame of the torch and then start brazing Remove the flux completely by the wire brush and wipe off by the cloth after brazing Leakage inspection should be done when compressor is running After removing flux paint the black enamel paint on the brazing part Copper back condenser is used ...

Page 27: ...Hot pipe Mark shows Ag brazing points Mark shows Cu brazing points Charge pipe to Dryer Dryer connector to Dryer Hot pipe to Dryer connector Pinch Point Dryer to Capillary tube Compressor s discharge pipe Suction butyl to Discharge P connector Charge pipe L to Compressor s process tube Back condenser to Hot pipe D P butyl Discharge P connector to Back condenser Pinch point S P connector to Compres...

Page 28: ...re subject to change without notice Refrigerator freezer MODELS SJ D20N SLG SJ D24N SLG SJ D28N SLG SJ D29N SLG SJ D20N D24N D28N D29N SLG PartsGuide 1 SJ D20N D24N D28N D29N SLG ELECTORIC MECHANICAL CYCL E PARTS 2 SJ D20N D24N D28N D29N SLG DOOR ATTACHMENT PARTS 3 SJ D20N D24N D28N D29N SLG OTHER PARTS INDEX ...

Page 29: ... 1 5 FW VZA157CBZZ AP Lead rc box 1 6 RH HXA097CBZZ AT R thermistor 1 7 RLMP A037CBZZ BD Lamp 1 8 RHOG A199CBZZ AW Protector 1 9 RSTT A196CBZZ AU Starting relay 1 11 FFS TA093CBKZ AP Fuse ass y D20N D24N 6 11 6 4 2 2 2 4 2 15 4 3 4 4 2 5 1 1 6 1 1 9 6 2 6 3 2 1 2 41 2 42 1 15 6 14 2 16 4 1 2 17 6 5 6 6 6 8 2 6 2 11 2 24 2 25 6 15 6 9 1 8 1 2 6 5 6 7 1 3 2 30 2 50 2 31 2 21 1 4 1 5 2 20 1 6 1 13 2 ...

Page 30: ...F louver D20N D24N 2 33 HGRL A250CBFA AR F louver D28N D29N 2 34 JKNB A072CBFA AF F control knob 2 35 LCRA A018CBEZ AD Fan clamp D20N 2 35 LCRA A022CBPZ AC Fan clamp D24N D28N D29N 2 36 LHLD A389CBF0 AF Motor cushion 2 37 LHLD A732CBFA AK Fm holder a 2 39 LHLD A733CBFA AK Fm holder b 2 40 NFANPA012CBF0 AD Propeller fan 90 2 41 LPLTMA755CBPZ AN Heater support 2 42 PSHEMA309CBPZ AG Heater cover 2 45...

Page 31: ...ATTACHMENT PARTS 5 5 3 3 3 5 3 6 3 3 1 5 2 3 8 3 7 1 5 3 5 4 5 5 3 4 3 3 2 3 3 2 5 10 3 2 3 9 3 6 3 7 5 8 5 9 5 6 5 14 5 15 5 16 5 11 5 1 5 12 2 5 17 1 5 12 3 5 18 2 5 7 4 5 12 1 5 18 1 5 12 2 5 12 1 5 7 3 5 7 2 5 7 1 5 7 5 17 2 5 12 5 18 5 17 5 13 ...

Page 32: ...A441CBKZ AY V shelf ass y 5 7 1 HDECQA542CBFA AR V shelf dec f 5 7 2 LHLD A742CBFA AQ Shelf holder l 5 7 3 LHLD A743CBFA AQ Shelf holder r 5 7 4 UTNA A430CBZZ AV V shelf 5 8 UTNA A406CBFA AP F shelf s 5 9 UYOK A087CBFG AH Ice storage box 5 10 UYOK A519CBFA AP Vegetable case 5 11 UYOK A520CBFA AP Fresh case 5 12 FTNA A431CBKZ AZ R shelf ass y D24N D28N D29N 5 12 1 HDECQA522CBFA AQ R shelf dec f D24...

Page 33: ...1 2 11 AE LHLD A389CBF0 1 2 36 AF LHLD A732CBFA 1 2 37 AK LHLD A733CBFA 1 2 39 AK LHLD A742CBFA 2 5 7 2 AQ LHLD A743CBFA 2 5 7 3 AQ LHLD A781CBEZ 1 6 20 AG LPLTMA399CBP0 1 6 8 AD LPLTMA755CBPZ 1 2 41 AN LRALPA140CBFA 2 5 15 AG LRALPA141CBFA 2 5 16 AG LSTPPA155CBFA 2 3 3 2 AG LX BZA090CBZZ 1 4 1 AC LX BZA107CBZZ 1 6 21 AD LX CZA017CBZZ 1 6 22 AD LX WZA035CBZZ 1 6 24 AB N NBRGPA013CBFB 2 3 3 1 AH NB...

Page 34: ... 2 5 6 AP UTNA A406CBFA 2 5 8 AP UTNA A416CBZZ 2 5 12 3 AZ UTNA A417CBZZ 2 5 17 2 AZ UTNA A418CBZZ 2 5 18 2 AZ UTNA A430CBZZ 2 5 7 4 AV UYOK A087CBFG 2 5 9 AH UYOK A519CBFA 2 5 10 AP UYOK A520CBFA 2 5 11 AP PARTS CODE No PRICE RANK NEW MARK PART RANK ...

Page 35: ...6 BY SHARP CORPORATION No Part of this publication may be reproduced stored in a retrieval system or transmitted in any from or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher ALL RIGHTS RESERVED ...