LG LRTBC1821BK Service Скачать руководство пользователя страница 3 | Manualshive

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Содержание LRTBC1821BK Service

Страница 1: ...the group Because the melted alloy is sucked into the tubes and blocks them the pressure must be rebalansed when vacuum is In the system when soldering As soon as the vacuum operation is over add the quantity in grams of R 134a to the refrigeration system Remember that every system has an exact quantity of R 134a that can be added with a tolerance of 5grams Figure 4 I TOTB iR t ooYuNoER TOTHE REF ...

Страница 2: ..._ _ Op11ON p_ O_I Cl_ _ _f TCH OFF _ 2 SW1 SW2 SW3 WATER SUPR Y_G TIME CONtrOL 0PIION from llm _ oulbl SWaN HO TIME SWl SW2 SW3 OFF OFF OFF 10 5 Se_ ON OFF OFF 9 80c OFF ON OFF 10 SeC ON ON OFF 11 sec OFF OFF ON 12 ec ON OFF _ 13 sec OFF ON ON 14 sec ON ON ON 15se F 3 r 3 F oN WH _II_ BL BLUE RD RED QY QRA_JRPLE YL Y_ LOW BO BRIGHTOPJ_GE BK BLACK BId BROWN PR PURR E PK RNK GN GREB 3854JD1046C ...

Страница 3: ...er Door Bin Door Cooling On the refrigerator door the cold air passageway is installed to supply cold air to the door sideof the refrigerator compartment Shelves Egg Box Snack Comer Crisper Used to keep fruits and vegetables fresh and cdsp Dairy Corner Door Bin Refrigerator Door Rack Base Grille Push the gdlle toward the refrigerator until it snaps into place Leveling Screw Inside 5 ...

Страница 4: ... flows in both main coil and sub coiL After the starting is over the current in subeoil is cut off The proper features of PTC play all the above roles So PTC is used as e motor starting device 4 2 3 PTC Applied Circuit Diagram According to Starting Method for the Motor OVERLOAD PROTECTOR O L P F b 7 o COMPRESSOR PTC STARTER HERMETIC TERMINAL RS R Figure 19 4 2 4 Motor Restarting and PTC Cooling 1 ...

Страница 5: ...urrent which flows to the Compressor Motor 4 3 2 Role of the OLP 1 The OLP is attached to the Hermetic Compressor used for the Refrigerator and prevents the Motor Coil from being started inthe Compressor 2 Do not turn the Adjust Screw of the OLP in any way for normal operation of the OLR Composition and connection diagram of OLP 5 CIRCUIT DIAGRAM CONTACTING POINT COVER _BIMETAL BIMETAL ADJUST SCRE...

Страница 6: ...sistance resistance of I among M C S C and I I M S in Motor Motor I I Compressor Compressor Check the _ Check the resistance resistance of I I of two terminals in PTC Starter I I PTC Starter N_O YES _ _ Replace Compresson YES Replace NO PTC Sta_er YES 4_ Check OLR i _ Check if applying _ _ OLP works within 30 sec in forcible OLP YES _ lea re_ Jular OLR I I I operation by turning _ Replace OLR I I ...

Страница 7: ...22 _ Rep ace OLP I _Jgure 21_gure l Normal opera on of the Defrost Timer is impossible No defrosting Poor cooling F Position the Cam Shaft to the point of f_rst click sound and check the current flowing between terminals NO l brown and No 2 bright orange Next position the Cam Shaft to the point of second click sound and ch e_ k the current flowing between terminals No I broWn and No 4 black Figure...

Страница 8: ...Shorted in sub coil of Compressor _ Raise the voltage I I f 0 coooo I _ Check capacity of OLR _ Lack of capacity _ _ The items doscribed I_ C il of mot r I_ Replace I above are normal Compressor the compressor Cooling ability is poor Fan motor t _ doesn t run _1 r Check current flowing _ Poor contacting of the door S IV Check current flowing _ Coil is shorted in the Fan Motor I I Check the running...

Страница 9: ...ten or check if the door is closed it firmly Dew forms Check if ambient temperature and humidity Wipe dew with a dry cloth This occurrence in the Exterior Case of surroumcling air are high is solved naturally in low temperature and humidity Is there gap in the door gasket Fill up the gap Abnormal Is the set positioned in a firm and even place Adjust the Adjust Screw and position noise in the tirm ...

Страница 10: ...isn t temperature Refrigerant o_ _ Refrkjerstondon tcool formed MOISTURE Cooling operation Flowing sound of refrigerant Lower than Cooling operation restarts CLOG stops periodically is not heard and frost melts ambient when heating the inlet of temperature capillary tube COMP Freezer and Low flowing sound of A little higher Low pressure at high side O _ RESSION Refrigerator refrigerant is heard an...

Страница 11: ...um EA High and low pressure sides Vacuum efficiency can be improved are evacuated at the same by operating compressor during time for models above 200 1 evacuation Vacuum EA Use R 134a exclusive I Toprotectmixng TberubberplpesforR 12rafdgerent p_ng manifold of mineral and shall be meRed when they are used for ester oils R 134a refrigerant causes of leak Pipe EA Use R 134a exclusive To protect R 12...

Страница 12: ...otor perform icing ramoving operation for dropping ices of ice removing tray from the ice bank If ices are not fully filled _ Perform after to the ice ice removin_ centro supplying water removing tray by operating solenoid of the ice vaive S operation for the assembly line and service of refrigerator pressing a l Maker Test Switch allows to operate in the order of initial _ ice ramoving water supp...

Страница 13: ...uantity Table SWITCH NO TIM O_F ON _F I _ OFF OFF ON 12_ _H OF F ON ON 14 _ ON ON ON 15 Rema_s The quantity of water supply may differ depending on the setting status of the dip switch or on water pressure water supply method is of a pattern of direct connec tion to water cook 3 The change of the quantity of water supply setting may be done according to the changed time even after changing it with...

Страница 14: ...um dis tortJonstatus and makes ices be separated from the ice making tray In this case ice detecting lever automatically oper ates lifting operation with ice removing operation 4 Ice removing control positively rotates CW the ice removing motor and stops it for a second as it considers as maximum distortion point ice detecting axle 160 if the sensor signal changes from the Off status low to the On...

Страница 15: ...level the status immediately performs ice removing operation irrespective of the ice generation conditions of the ice making tray Caution shall be exercised as water may overflow if operating the test function at the water status that ice making is not done A cycle of water supply is performed at the level adjusting operation after ice removing operation Therefore the test button allows to check p...

Страница 16: ...r IC5 and auxiliary circuit is normal HALL It Defect between PIN NO 20 of IC1 boards Be sure ice removing and returning to the level when pressing the TEST S W Defect of ice making KIT TEST S W Both ends of TEST S W 3 6 pin of PCB CON2 3 6 are at open status TEST S W Defect between boards PIN NO 19 of ICl Defect of water supply Water supply valve conduct current Water supply pump normally operates...

Страница 17: ...hen power of more than 175V is applied 7 4 2 Vibration circuit XIN ICl xouT MICOM Circuit used for synchronous clock generation for transmitting receiviog information of the inside logic elements of IC and basic time generation for calculating time Rated parts must be used as counting time is changed at the let or the OSC1 does not operate if SPEC would be changed 7 4 3 Reset circuit t IC4 _ 27 MI...

Страница 18: ... Load drive circuit 1 Load drive status check _ _ CONI Rc_YIN _IA I_ _TK POWER RY1 D5 I il ICE II KRCIO2MII _J T 1Z Q__ _ ICI MICOM Load Type Water Valve Measurement Location ON 1V below Condition OFF 12V 22 ...

Страница 19: ...F REVERSE 6 2 25v CON2 FORVARD 5 _R6 ss 1 2w ICE MAKER MOTrlR 4 CM3 223 100v _0C7 CCB R8 R RIO 1 Rll I_ _F ICE MAKER TEST S V ICE MAKER SENSOR This circuit is a circuit used to embody functions such as ice removing full ice detection level noise and ice making tem perature detection of ice making tray ice making container 23 ...

Страница 20: ...7 5 Main PWB Assembly and Parts List 7 5 1 MAIN PWB 24 ...

Страница 21: ...1D 14_ SN I_WA 16 6102JB800_ 12 1NR14027 IL JiN c 17 DO414 ZOI8 It gll_D_ IN414B IZ_ eO_U D5 34 18 _ IO_ REClIfl_ 1N4004 _IP U DI_D4 19 f_OOJB8601 Ip V 3P _P OT_X S_1 2C _ RIVE 1C BA8222 _ IC5 21 O F_2_J_I P200uF 35 CEI 22 0_ 1_1N61 _ CF 2 2_ OC_tO71HS3 L_m iOOuF 25V l_ im _E4 24 0_E T 1H_I _ _z_llgl_ 25 _FJ_i1FI_ _ CE3 26 0 _4781H63 47u_ 25V 2_ _ _231K40 _ O_ _l_ 223_100Y ZZ_L Ct41_ _ d3 _e_ _o_ ...

Страница 22: ...WB DIAGRAM I KSTOPs _ CON1 m_ D1 4 r w_ c2_ _ _ _ T _ o _ _ J J l _ LT lo lo STJ iolo D14A 104 _ _ tM _ _ T _ F I T D vT lT T_ GSN 1A D5 47K IC4 1 3 _ CC6 t04CC5 2 r _ 104 V_s Vaa TEST OQ O XlN XOUT RESET 26 ...

Страница 23: ... 2 FORWARD 5 R6 IC5 68 1 2w 104 CCg R7 7K cc_oJ _ RIO R9 K oo _ _ _ lO _ _1 _21 _ I0 _ 8 7 6 3 Z CON2 _ _ICE MAKER ___MDTDR ICE MAKER TEST S V ICE MAKER SENSOR Z_ TKX_ CON 3 22 23 _ 10 12 13 16 24 25 26 l CON101 _ I _ L __J WATER SUPPLYING TIME CDNTRDL S W 27 ...

Страница 24: ...8 EXPLODED VIEW REPLACEMENT PARTSLIST The parts of refrigerator and the shape of each part are subject to change in different localities Capacitors and fuse are optional parts 28 ...

Страница 25: ..._291 ...

Страница 26: ... 30 ...

Страница 27: ...i ICE MAKER PART 31 q ...

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