LG GR-J303TG Скачать руководство пользователя страница 45

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GR-J303TG/TS

- 45 -

LOC.

Description

PTNO

Qty

GR-J303TG

GR-J303TS

128B

Shelf, Freezer

5026A1176C

252A

Bucket, Assembly, Side Dish

5075J1024E

252B

Bucket, Side Dish

5074JA1043C

252C

Cover Assembly, Bucket

3551JA1052E

253A

Bucket Assembly, Side Dish

5075JA1023E

253C

Bucket, Side Dish

5074JA1042C

253C

Cover Assembly, Bucket

3551JA1051E

Содержание GR-J303TG

Страница 1: ...CAUTION PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS MANUAL BEFORE CHECKING OR OPERATING THE REFRIGERATOR KIMCHI REFRIGERATOR SERVICE MANUAL http biz lgservice com MODEL GR J303T ...

Страница 2: ...se care so that water does not enter into electrical parts around the machine room 6 Take care so that things should not fall down by removing them cleanly on the product when leaning the product forward or backward Especially take care of thin things glass panels books 7 Ensure to consult the repair and maintenance center shop when the cold storage cycle is damaged to prevent that gas inside of t...

Страница 3: ...38W 138W Indirect Cooling System Force Automation Automation Force Light Polyurethane Foam 1 EA Behind 2 EA 14 EA 8 EA 1 EA 3 EA 3 EA 1 EA 1 EA 2 EA LC62LBCM Fin Tube Type Fin Tube Type Wire Condenser Back Plate Condenser R134a 160 g R134a 160 g α10G 310cc α10G 311cc Heater Sheath Capacity Defrosting System Cooling Cycle Net Capacity Top Compartment Middle Bottom Compartment Method Start End Evapo...

Страница 4: ...f wave 90 W 120 V UL 7 W 120 V UL 7 W Cutted at 70 C Cutted at 70 C Cutted at 70 C Cutted at 70 C 250 V 9 A 250 V 9 A 14 250Vac 14 250Vac Electrical System Rating Defrosting Heater Top Middle P T C Overload Protector Fan Motor Top Fan Motor Middle Condenser Cooling Fan Motor Front C Heater Fuse M Top Fuse M Middle Protection Fuse Capacitor R ITEMS SPEC SPEC ...

Страница 5: ...2 CIRCUIT DIAGRAM 5 ...

Страница 6: ...cation of power But in case of a power shut or power reconnection during rhythm fermenting the temperature returns to Mid for the applicable food type 3 Buzzer sound neither ring ever pressing the button in Lock status nor performs function 3 MICOM FUNCTION AND EXPLANATIONS OF CIRCUITS 6 NOTCH Temperature setting Cabbage Radish MulKimchi Vegetble Fruit Light Freezing Frozen Food Chilled Food Min M...

Страница 7: ...But the uppper compartment only has the underground fermenting function 3 When you press the Ferment button when the food type is Vegetable fruit Light freezing it is set to Cabbage Kimchi Fermented 1 4 Press the Lock Unlock button to end the food storage and storage temperature selection At this time if no button is selected for 1 minute without the Lock Unlock button pressed the unit will automa...

Страница 8: ...4 If a failure occurs such as a sensor error during seasoning the storage will default to Cabbage Kimchi storage status 5 The 2nd seasoning is not included in the underground fermenting in the 3rd seasoning Perform the Low temperature mature keeping the Temperature is 3 C Time Seasoning complete Kimchi sensor temperature 18 Mul Kimchi 10 5 1 0 0 5 2 0 Storage operation W h e n t h e K im c h i p l...

Страница 9: ...r compartment have not passed 3 In input of initial power cool from the upper compartment where the upper compartment is Data Frz Deep Frz Frz when all upper middle lower compartment is not satisfactory and firstly cool from the middle lower compartment for the other case 3 1 5 LCD BACK LIGHT CONTROL LIMITED TO LCD MODEL 1 To make the LCD display easy to see the LCD back light is turned on for 1 m...

Страница 10: ...re changes according to ambient temperature weak cold in winter excess cold in summer 3 1 11 DEFROSTING REMOVAL OF FROST 1 Defrosting is simultaneously performed by using the defrosting heater at the upper compartment and the middle compartment whenever sum of compressor operation time reaches to 6 hours 2 Defrosting is started if sum of compressor operation time reaches to 4 hours in input of ini...

Страница 11: ...less than 45 C In power failure service No initial operation is done if error occurs during operation POWER ON SINGLE MOTOR DAMPER ON COMP ON F FAN ON SINGLE MOTOR DAMPER OFF 5 6 sec 0 5 sec 3 WAY VALVE ON 3 WAY VALVE OFF 3 6 sec 0 5 sec FRONT C HEATER ON 0 5 sec 0 3 sec 10 sec 0 3 sec 4 5 sec STEPPING MOTOR DAMPER ON STEPPING MOTOR DAMPER OFF POWER ON DEFROSTING HEATER AT UPPER COMPARTMENT ON DEF...

Страница 12: ...r defrosting at upper compartment Poor defrosting at middle compartment Poor communication Upper compartment sensor is disconnected or shorted Middle compartment sensor is disconnected or shorted Lower compartment sensor is disconnected or shorted Upper compartment defrosting sensor is disconnected or shorted Middle compartment defrosting sensor is disconnected or shorted Ambient temperature senso...

Страница 13: ...frosting at upper compartment Poor defrosting at middle compartment Failure of single motor damper Poor communication 1 2 3 4 5 6 7 8 9 10 11 O 15 min ON 15 min OFF O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O Don t defrost immediat ely return O O O O O O O O O O O Don t defrost immediat ely return O O O O O O O 15 min OPEN 15 min CLOSE O O O No compensation of ambient tem...

Страница 14: ... 5 senconds or more Release check LED on the remainder time display part of the lower compartment turns on with pressing for 5 seconds or more Input check LED on the flavor keeping part turns on with pressing for 5 seconds or more 14 MODE OPERATION DETAILS REMARKS TEST1 TEST2 Normal status Press the test S W once Press the test S W once in the test mode 1 Press the test S W 3 times in the test mod...

Страница 15: ... each part is as follows 3 2 2 OSCILLATION CIRCUIT Oscillation circuits are intended to generate clock for synchronization for information transmission receipt of logic elements inside of the IC1 MICOM and generate basic time for time calculation Rated parts must be used since the OSC1 does not operate or time calculated at the IC1 changes where SPEC changes 3 2 3 RESET CIRCUIT The reset circuits ...

Страница 16: ...Area FAN UPPER FAN MOTOR UPPER DEFROST HEATER FRONT C HEATER SINGLE MOTOR DAMPER MIDDLE DEFROST HEATER MIDDLE FERMENT HEATER LOWER FERMENT HEATER MIDDLE FAN MOTOR Measuring Point IC7 No 10 No 16 No 12 Q1 Collector No 11 No 15 No 13 Q2 Colletor No 14 Status ON Within 1V OFF 11 13 V 16 ...

Страница 17: ...ing signal of the test switch for checking refrigerator or the reed switch of the single motor damper 17 REED Switch 78 79 P35 INT1 P36 PWM3 TC3 PDO3 LED MODULE TYPE Ex Lock Ding D Dong sound Ex Lock Ding D Dong sound Off IC101 Pin 3 61 5V IC101 Pin 2 62 0V Measuring point Status 45ms 1046 5Hz 1174 7Hz 1318 5Hz 45ms 45ms45ms 70ms 750ms 5V 0V 5V 0V 45ms 1568 0Hz 1318 5Hz 1046 5Hz 45ms 45ms45ms 70ms...

Страница 18: ...e middle defrost sensor attached to the evaporator at the upper middle compartment to detect the defrost return temperature Status in short or open are as follows 18 외기 센서 Ⓐ Ⓑ Ⓒ Ⓓ Ⓔ Ⓕ LED 6871JB1400 LCD 6871JB1399 Sensor Check points Normal 30 C 50 C In Short In Open Ambient temp Sensor Upper Sensor Middle Sensor Lower Sensor Upper Defrost Sensor Middle Defrost Sensor 0 5V 4 5V 0V 5V POINT ⒶVoltag...

Страница 19: ...1 11 Failure Diagnosis Function 3 Rotates once for 15 seconds irrespective of temperature to detect damper status in input of initial power initial drive inspection 4 Open Close of the damper status of the reed switch and No 1 pin input of the IC1 MICOM are as follows SINGLE MOTOR DAMPER u The above time is time until the single motor stops after status change of the reed switch 19 Single Motor Da...

Страница 20: ...sing the terminal of the MICOM PIN53 52 and 51 as shown in waveform of each part below This signal is output to the output terminal No 10 11 14 15 via the input terminal No 3 6 8 of the IC12 TA7774P as IC for motor drive The motor rotates by which motor coils wound around each phase of the stator forms rotation magnetic field The stepping motor damper rotates by which motor coils wound around each...

Страница 21: ...e MICOM pin 50 47 and 48 Explanation For driving method of the motor send signal in the cycle of 30ms by using the terminal of the MICOM PIN 50 47 49 and 48 as shown in waveform of each part below This signal is output to the output terminal No 10 15 7 2 via the input terminal No 11 14 6 3 of the IC11 TD62308AP as IC for motor drive The motor rotates by which motor coils wound around each phase of...

Страница 22: ...sistance at the middle compartment RCT from 10K current resistance to 18K corrected resistance 22 MIDDLE COMPARTMENT KEEPING TEMPERATURE COMPENSATION LOWER COMPARTMENT KEEPING TEMPERATURE COMPENSATION 16 2KF UPPER COMPARTMENT SENSOR Upper Compartment Middle Lower Compartment Remarks 6 2 KΩ 2 5 C 180 KΩ 2 5 C 5 1 KΩ 2 0 C 56 KΩ 2 0 C 3 KΩ 1 5 C 33 KΩ 1 5 C 2 4 KΩ 1 0 C 18 KΩ 1 0 C 1 2 KΩ 0 5 C 12 K...

Страница 23: ...ange Middlle Compartment RCT Lower Compartment RCB Modification Division Current No change 0 5 C up 1 C up 1 5 C up 2 C up 2 5 C up 3 C up 3 5 C up 4 C up 4 5 C up 5 C up 0 5 C down No change 0 5 C up 1 C up 1 5 C up 2 C up 2 5 C up 3 C up 3 5 C up 4 C up 4 5 C up 1 C down 0 5 C down No change 0 5 C up 1 C up 1 5 C up 2 C up 2 5 C up 3 C up 3 5 C up 4 C up 1 5 C down 1 C down 0 5 C down No change ...

Страница 24: ...T 0 C CUT CUT 0 C Upper compartment cut compensation Upper compartment temperature compensation value Middle compartment temperature compensation value Lower compartment temperature compensation value Too warm compensation Frozen Food The others 0 C When shipping from factory 0 C When shipping from factory 0 C When shipping from factory Too cold compensation Middle compartment cut compensation Low...

Страница 25: ...OM for LED control of the display PCB DC12V for driving the display PCB transmit receive circuits are required Poor communication occurs where continuing information change between the main MICOM of the main PCB and the MICOM for LED control of the display PCB is not done for more than 30 seconds 25 DISPLAYPCB MAIN PCB MAIN MICOM MICOM for LED Control DC 12V GND Transmit error status Receive notch...

Страница 26: ...e resistance at both ends of No 6 7 of the CON5 for the RT sensor However measure resistance at both ends of the sensor after separating barrier assembly between the middle compartment and the lower compartment for the lower compartment sensor 26 Measuring Temperature C Upper Middle Lower sensors RT sensor Upper Middle defrosting sensors 20 C 77 KΩ 15 C 60 KΩ 10 C 47 3 KΩ 5 C 38 4 KΩ 0 C 30 KΩ 5 C...

Страница 27: ...3 4 PCB PARTS DIAGRAM AND LIST 3 4 1 PWB PCB ASSEMBLY MAIN LED MODULE TYPE 1 Parts diagram 27 6871JB1129 W ...

Страница 28: ... 2 Parts List 28 ...

Страница 29: ... 29 SRT ASSEM ...

Страница 30: ...3 4 2 PWB PCB ASSEMBLY DISPLAY STANDARD 1 Parts diagram 30 2 Parts List ...

Страница 31: ...3 5 PCB CIRCUIT DIAGRAM PCB CIRCUIT DIAGRAM MAY CHANGE DEPENDING ON SITUATION 3 5 1 PWB PCB ASSEMBLY MAIN CIRCUIT DIAGRAM LED MODULE TYPE 31 ...

Страница 32: ... 32 LCD 6871JB1464 LED 6871JB1465 ...

Страница 33: ...3 5 2 PWB PCB ASSEMBLY DISPLAY CIRCUIT DIAGRAM 33 LCD 6871JB1464 LED 6871JB1465 ...

Страница 34: ...4B 106A 104A 406B 301A 418A 281B 501K 410G 501A 281A 330B 332B 301B 418B 103C 184C 605A 404A 405C 405A 329A 105A 318A 317A 310A 323B 329C 420A 312A 319C 315A 315B 315C 315B 319A 309B 314A 307A 304A 332C 245A 501F 105B 619A 109B 109B 401A 619B 401B 411A 319D 327B 316A 405A 405C 329B 328A 308A 309A 404B 331D ...

Страница 35: ...B 155A 155C 155B 153A 153C 153B 157D 157C 157B 157A 149B 149A 150B 150F 150C 150D 150A 150E 150G 150B 150F 150C 150D 150A 150E 150G 152A 150B 150C 151A 151B 154A 154B 150F 150G 203A 206A 207A 206B 201A 204C 205A 205D 212A 205E 205A 239A ...

Страница 36: ...u u GR J303TS 154A 154B 203A 206A 207A 206B 201A 204C 205A 205D 212A 205D 205A 149C 140A 157D 157C 157B 157A 150B 150A 150A 279A 202A 239A 36 ...

Страница 37: ...u GR J303TG GR J303TS 37 241B 604G 604E 252C 252A 253A 254A 252B 253C 253B 253C 254B 248B 604G 604E 241A 248A 160C 251A 253C 253B 203B 201B 205A 205H 205J 205A 244A 203C 201C 205A 205H 205J 205A 244A 160C ...

Страница 38: ... 38 u u GR J303TG TS 252A 252C 128B 252B 252A 252C 252B 253A 253C 253B ...

Страница 39: ... Shelf Assembly Freezer AHT30605401 1 151B Door Assembly Freeze Room ADC30604001 1 152A Basket MAN30345501 1 153A Bucket Assembly Side Dish AKC30625301 2 153B Bucket Side Dish MKK30356001 1 153C Cover Assembly Bucket ACQ30678101 1 154A Guide Assembly Rail AEC30604401 1 154B Guide Assembly Rail AEC30604402 1 155A Bucket Assembly Side Dish AKC30625201 2 155B Bucket Side Dish MKK30352101 1 155C Cover...

Страница 40: ... 251A Bucket Assembly Side Dish 5075JA1030F 2 252A Bucket Assembly Side Dish 5075JA1028E 2 252B Bucket Side Dish 5074JA1053C 1 252C Cover Assembly Bucket 3551JA1070E 1 253A Bucket Assembly Side Dish 5075JA1030F 2 253B Bucket Side Dish 5074JA1057C 2 253C Cover Assembly Bucket 3551JA1069E 3 254A Bucket Assembly Side Dish 5075JA1027E 2 254B Bucket Side Dish 5074JA1052C 1 281A Cover Hinge 3550JA1251D ...

Страница 41: ...troller Assembly 6615JB2005A 1 404A AC Motor 4680JB1036H 1 404B AC Motor 4680JB1036N 1 405A Bracket Motor 4810JA3007B 2 405C Damper Motor Support J756 00008B 2 405D Damper Motor Support 5040JA2004B 2 406B Switch Push Button 6600JB1005D 1 410G Capacitor Electric Appliance Film Radial 0CZZJB2010H 1 410H Capacitor Electric Appliance Film Radial J513 00012P 1 411A Power Cord Assembly 6411JB1011B 1 418...

Страница 42: ...638001 1 157B Cover Deodorizer MCK32972501 1 157C Cover Deodorizer MCK32293801 1 157D Deodorizer 5986JA3006D 1 160C Roller Assembly 4581JA3003D 2 160C Roller Assembly 4581JA3003D 2 184C Plate Center 3446JA2048F 1 201A Door Foam Assembly ADD30277503 1 201B Door Foam Assembly Refrigerator 5433JA1168U 1 201C Door Foam Assembly Refrigerator 5433JA1169U 1 202A Stopper Door J325 00032A 1 203A Gasket Ass...

Страница 43: ... Dish 5074JA1052C 1 279A Frame Assembly Display ADV30639709 1 281A Cover Hinge 3550JA1251D 1 281B Hinge Assembly Upper 4775JA2008D 1 282B Hinge Assembly Center 4775JA2115A 1 301A Evaporator Assembly 5421JA0045C 1 301B Evaporator Assembly 5421JA0027E 1 304A Cover Assembly Machinery Rear 3551JA1039A 1 307A Compressor Set Assembly 2521C A62CD 1 308A Thermistor PTC 6748C 0002C 1 309A Overload Protect ...

Страница 44: ...racket Motor 4810JA3007B 2 405C Damper Motor Support J756 00008B 4 406B Switch Push Button 6600JB1005D 1 410G Capacitor Electric Appliance Film Radial 0CZZJB2010H 1 410H Capacitor Electric Appliance Film Radial J513 00012P 1 411A Power Cord Assembly 6411JB1011B 1 418A Heater Sheath 5300JB1121D 1 418B Heater Sheath 5300JB1085D 1 420A Motor DC 4680JB1035H 1 501A PCB Assembly Main 6871JB1129Q 1 501F ...

Страница 45: ...8B Shelf Freezer 5026A1176C 1 252A Bucket Assembly Side Dish 5075J1024E 4 252B Bucket Side Dish 5074JA1043C 1 252C Cover Assembly Bucket 3551JA1052E 1 253A Bucket Assembly Side Dish 5075JA1023E 2 253C Bucket Side Dish 5074JA1042C 1 253C Cover Assembly Bucket 3551JA1051E 1 ...

Страница 46: ...P No 3828JD8947B JAN 2007 Printed in Korea ...

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