WINE CELLAR SERVICE MANUAL
Contents
1. 577 5 48 529 5 L 7 IN N 2 Y i CI Y 00 Y CLEA iO 5 ES 1 44443 Y N 00 Y 1 Y CN Y N n NI og 28 526 20 CIRCUIT DIAGRAM 4 Circuit Diagram 4 1 Circuit Diagram A Indicated component is a safety part In case of a replacement please use a designated part for its function and your safety LRV410TT LG Electronics Inc MODEL LRV410TT This product is powered by electricity Once the unit is unplugged please wait at least 5 minutes before you plug it back in If you plug the power right back in it will cause a malfunction in the cooling machine Power Plug Compressor M Heater Top CON101 Temperature Indicator Control Panel CON3 Exterior Temperature Sensor Interior Temperature Sensor Top Cooling Sensor Top IIIIII Heater Bottom Control Panel z 012009 isplay2. B A WORM 2 gt gt S 815818 P NO DESCRIPTION SPEC MAKER REMARK 68702882058 PWB PCB WINE CELLAR MAIN PCB NAESU DOOSAN FRLL6T 2 6170JB2010A TRANSFDURMER SMPSICHIL A3 PJT 12 5V 1A SMC TRANS 3 6630VM02803 gt YW396 YEONHO 3 96MM 1 3 CONIKRED 4 6630vM02803 CONNECTOR lt CIRC W YW396 YEONHO 3 96MM 1 37 5 6630VM04208 lt CIRC W YW396 3 96MM 8AV 1 3 7 8 YEONHO CON3 6 6630JB8007L CONNECTOR lt CIRC W 917782 1 12P 2 5 STRAIGHT AMP CON4 7 6630880075 lt CIRC W 917783 1 5P 2 5MM STRAIGHT AMP CON5 8 6630 JB8007E CONNECTOR lt CIRC W 917782 1 6P 2 5MM STRAIGHT AMP CONG 01222820570 _ IC DRAWING TMP87P809N 28 SDIP BK OTP WINE TOSHIBA IC1 1 10 0177982057 IC DRAVING TMP87P809N 28P SDIP BK OTP WINE TOSHIBA 61 1 n 0I 650030C IC KEC 106500340 1650 BK 7CH DRIVER EC 1 13 OIKE7042004 IC KEC 7042 BK RESET EC IC3 14 MANAGEMENT 52561 1 NEC 4P DIP BK TLP762 NEC IC4 1
3. 5 2 4 Load Drive Circuit CM1 NZ mg N Li FUSE 8 is 2 I O00 1 RY el 2 1 CDNe bH1U Q KID65003AF 3 4 E 55 t 9 1 14004 15 1 23 T COMP CON3 Is 8 E MICOM 7 RY2 G5N 1 up heater 3 o 13 25 P17 RY3 __ G5N 1 down heater Mi Log 78 Load Type COMP Top Maturing Heater Bottom Maturing Heater Measuring Parts IC2 15 13 14 ON Below 1V Condition OFF 12V 5 2 5 STEPPING MOTOR Operation Circuit 3 WAY VALVE 3WAY S VALVE 9 0006 6 2 7 rd Nu 4 4 15 14 16 n4 amp B 3 10 11 15 IC 1 2 7 6 18 MICOM B 1 2 3 17 545 According to a specified STEP numbers send HIGH and LOW signals through MICOM PIN 16 15 18 and 17 Revolving magnetism forms on the motor coil Motor starts running 19 MICOM FUNCTION AND CIRCUIT DIAGRAM 5 2 6 Switch Input Circuit n18 10K 20 TEST Input Circuit is to sense TEST S W signal for refrigerator inspection 5 2 7 Temperature Sensing Circuit Aer CINA RT SENS
4. 0011622 RESISTUR FIXED METAL 1K OHM 1 7 8 V 2012 5 00 D T 1 51 ORN9101G409 RESISTOR FIXED METAL 94K OHM 1 8 2012 1 00 1052 1 52 ORN2201G409 RESISTOR FIXED METAL 2 2 UHM 178W 2012 1 00 52 1 53 ORHI00eL622 RESISTER FIXED CAR IM OHM 178 2012 57 1 1 54 0550121609 RESISTUR FIXED METAL 1 2 OHM 1 5 TA52 1 55 06010026609 RESISTUR FIXED MET 10K OHM 1 4 W 5 007 TA52 U 1 56 0RD1002G609 RESISTOR FIXED 10K 174 W 5 00 TA52 SMART CHDYANG UCR2 57 ODZRMOOI88 DIODE ZENERS RLZ RUHM R TP LLDS LL 34 500MV S 6V DELTA RUHM 71 1 58 6210JB8001A lt CIRC BEAD BFS3510A0 SAMWHA 35X10MM AXIAL AM HWA FBI 1 1 59 6600RRTOOIW SWITCH TACT THVV502GAA PUSTECH 12V DC 50MA POSTEC TEST 1 1 50 6200 B8003A gt 5 3MH 250 CV430030 A345 PJT C TNC L1 1 61 OFZZJB3001A FUSE 250V 2A SLOW BLOW LITTELFUSE T AMJU FUSEI 1 62 00033418670 CAPACITHR FIXED FILM 0 33UF D 275V M M PP PILKO 63 6212 5 002 RESUNATUR CERAMIC 5750400 MURATA 4MHZ 0 5 MURATA 5 64 0 8106009 _ TRANSISTOR BIPOLAR 06 01 1 65 6920820046 RELAY DH12D1 0 Q lt DHIU 0 DEC 250VAC 104 DIICHI RYKLUV NOISE 2 2 66 6920 82003 5 1 DMRONCJAPAN 12V 16 7 OMRON RY2 3 4 4 67 68548500014 JUMP WIRE 0 6MM 52 TP TAPING SN 12MM J5 6 11 13
5. 1 BLACK BL BLUE BROWN OAK BN BROWN YL YELLOW PR PURPLE GY GRAY WH WHITE 12 3854JS3002F CIRCUIT DIAGRAM LRV650TT LRV810TT Lese MODEL LRV610TT LRV810TT PWB PCB ASSEMBLY PWB PCB ASSEMBLY MAIN DISPLAY CONS CON101 TEMPERATURE CONI INDICATOR CONTROL PANEL 8113 YL VL 1 5 WH WH 1 LED RD RD BK BK 2 3 4 5 COMPRESSOR RT SENSOR SENSOR TOP COOLING SENSOR TOP COOLING SENSOR BOTTOM UUL HEATER TOP Ju HEATER BOTTOM m Jo o o Jo NOLLOBIHOSNZS 2118 2 CONTROL PANEL BARRIER BK BLACK BL BLUE BO BRIGHT ORANGE BN BROWN YL YELLOW PR PURPLE GY GRAY WH WHITE 3854JS3002 212 MICOM FUNCTION AND CIRCUIT DIAGRAM 5 MICOM Function and Circuit diagram
6. Z 494 536 33 130 577 5 8 9 98 078 595 EXTERIOR LRV650TT 4m 26 130 494 556 33 EXTERIOR N d i Y TIU Lo LO 2 CM LO LO 778 06 c6 788 16 96 58 Ser LX II 6 727 og 1 1 Y CV 8 N 68 72 26 C7 LL i rel rel EXTERIOR LRV810TT 33 1152 494 U 536 yi 4 26 10 EXTERIOR 595 er 1463 1472 92 T4
7. sper Eo JLCR2 AIN6 DRUG 10 77 Top Bottom Value of temperature Others RCT RCB compensation 180 2 5 C 14 5 F Compensation to 560 2 0 C 13 6 F warm up 330 1 5 C 42 7 F 18 1 0 1 8 12 0 5 0 9 F 100 0 C 0 F Standard Temperature 8 2 0 5 C 0 9 F 560 1 0 C 1 8 F 330 1 5 2 7 F 2 2 0 3 6 F Compensation to 4700 2 5 C 4 5 F cool down e of compensation temperature to MICOM for controlling top bottom storage temperature 4 Temperature compensation chart according to a resistance value change Value differences by current temperature Ex Top Resistance Compensation RCT 10K Current Resistance 18K Modified Resistance Top Temperature 1 C Modified 550706 Current Resistance 400 33 Classification Top ron Bottom RCB 105 C Decrease 25 Deo 35 lt Denease 3 m Decrease 4700 2 No Change 05 Inease c Dias 05 1 5 CDecrease 1 CDecrease 2 C Decrease 5 CDecease 2 Decrease 3C Decrease 25 Ceres Decrease 4 C 35 CDecrease 4 C Decrease Decrease 5 Decrease A5 CDecease 330 1 Clncrease 05 Chose 05 Deae 1 CDecrease 7 5 i Deo Decrease
8. 5 23 F 384 0 C 32 F 30 KO 5 41 F 24 1 KO 10 50 F 19 5 15 59 F 15 9 20 68 F 13KQ 25 77 F 11 30 86 F 8 9 KQ 40 104 F 6 2 KQ 50 122 F 4 3 7 CON4 Ty cae 1 gt C6 12 SS 225 2 LED DISPLAY R5 v 11 26 1K UP SENSOR Top Sensor 7 R10 10 an wl 2 223 T 4 9 UP EVA SENSOR 2 26 1K op ensor 100 AN2 1 2K 8 100 56 96 1 coro L e e e UE 2 2 7 MICCM fis KI H LED DISPLAY 2 pis gt 6 4 4 R7 LOWER EVA SENSOR 106 26 1K Bottom EVA Sensor P61 RR 4 CV L 26 3 Er LED DISPLAY PCB3 4 sp Es a LOW SENSOR Bottom P60 2 4 AINO ccio 1 2K 223 7 50V 1 3 M 100 4 9 e 9 e 4 Sensor Common Difference is 5 4 For sensor resistance value measuring the sensor must stay idle for more than 3 minutes before the measurement Because of a sensing rate a delay is necessary 4 A digital tester is preferred an analog tester has greater error range 4 For sensor measurement separate MAIN Part HOUSING PWB ASSEMBLY Referring to a circuit diagram above measure each sensor s terminal at a separated housing 23 MICOM FUNCTION AND CIRCUIT DIAGRAM 5 4 MAIN PWB ASSEMBLY AND PARTS LIST 5
9. 15 OISTLKEOIGA IA78LOSBP EC ICS 1 16 01716230806 IC DRAWING 62308AP 16PIN SDIP BK DRIVE IC ST TOSHIBA 1 6 17 OIPMGSK003A IC PHWER MANAGEMENT 5 6351 SANKEN 8 DIP ST SMPS SANKEN IC7 1 1 18 OIKE431000A 14431 3 PIN TP EC IC8 19 0DD400409AC DIUDE RECTIFIER 1 4004 TP DELTA EY D5 1 20 0DB360000AA DIODE RECTIFIERS D3SBA60 BK SHINDENGEN 600V 44 SHINDENKEN BDI 1 21 6102JB8001B VARISTUR INR14D621 ILJIN 620V 10 WORLD IL JIN VAI 1 22 0DRSA000704 DIUDE RECTIFIERS RL2 SANKEN BK NUN 400V 2A 404 5 SHINDENKEN 23 1070094 RECTIFIERS FR107 TP DELTA 0041 1000V 1A DELTA 2 A 1 1 24 0CF4731Y470 CAPACITHR PHLYESTER 1 0 0470 D630V 0 05 BLUK PILKO 1 25 0 4767 6 0 CAPACITOR FIXED ELECT 470 HE 450V 20 BULK SNAP IN RUBICON 1 26 0 226 638 R FIXED ELECT 22UF KME TYPE 50V 20 5 5 SAMHWA 1 27 0CE687YH6E0 R FIXED ELECT 6800 RX 25V 20 BULK SNAP IN SAMYDUNG CE3 28 0 227 638 R FIXED ELECT 220UF KME TYPE 16V 20 5 TP 5 G LUXONMTD CE4 29 0 1076 638 TOR FIXED EL 100UF SMS SG 25V 20 5 TP 5 CES 5 5 30 0CE1066K638 CAPACITUR FIXED EL 10UF SMS SG 50V 20 5 TP 5 CE6 10 1 31 0CK47202510 CAPACITUR FIXED CERAM 4700 D 2KV 10 BCY5P R DOOSAN SAM HWA 5 1 1 32 0CK471DK96A CAPACITUR CERAMIC HI 0
10. 5 1 Functions 5 1 1 Displays WHITE power HOLD warmer ms BB cover warmer LIGHT SSECSIOFF SSECSIOFF NA A A ON OFF 1 At the first power up the machine is unlocked And the initial setting is 57 F RED for top 46 F WHITE for bottom 5 1 2 Lock Unlock Function 1 By pressing the Lock Unlock button for 3 seconds it will unlock the machine If the control panel is idle for 10 second it will automatically lock itself 2 1 minute after the lock the luminescence of the display will decrease 3 You have to cancel the lock in order to operate the machine 5 1 3 Setting the top bottom parts storage temperature 1 Top temperature setting 1 With the lock off set the top storage temperature using V A button on the left side of the display 2 By pressing A It will display in the order of 43 F o o o gt 52 F 54 F o o 64F WHITELEDON gt e REDLEDON gt 3 By pressing V It will display the order of 64 54 F gt 529 43 F REDLEDON gt WHITELEDON gt 4 NOTE Top temperature cannot be lower than the bottom 2 Bottom temperature setting 1 With the lock off set the top storage temperature using V A button on the right side of the display 2 By pressing A It will display in the order of 43 gt o o
11. I EVA SENSOR 6 we gt 1 TOK ze ER 223 T oak nn m e m DISP PCB2 ASSY KID65003AF 26 5 12 3 2 9 9 lower e e e e EVA SENSOR P61 evo ARD DISP ASSY ower sensor m SE ero 3 2 2 00 1 mie ee e e e e 28 MICOM FUNCTION AND CIRCUIT DIAGRAM 5 5 2 PWB Assembly DISPLAY DIAGRAM PWB circuit diagram may vary a little bit depending on actual condition 400 5 r 11 13 R16 COM1 P51 292 12 R17 E30 1 RIB 2K pes ES ES C0M5 9 P65 HT m B 4 I gt ES gt MS 04 03 co C gt co 5 Ej 4 7K 27 KIA7042AP c RES m Mur CSTA 00MGW 2 XIN 1 T 1 th 22 R12 360 F IG p14 23 R11 360 pis 24 10 360 25 R9 360 R8 360 P16 p17 26 14 19 29 SPECIAL FEATURES 6 Special Features 6 1 Direct cooling system prevents sudden temperature change An evaporator laid inside of the back panel prevents a sudden temperature change The interior sensor located in the upper lower part divider controls
12. you have to cycle the power in order to resume the normal mode MODE Operation COMP VALVE DISPLAY LED TEST1 Press TEST S W once ON Top valve OPEN P1 Checking for top part s cooling system Press TEST S W once Checking for bottom part s coolin TEST2 from TEST1 ON Bottom valve OPEN P2 system 9 p 9 Press TEST S W once TOP 45min Bottom Checking for top bottom part s cooling TESTS from TEST2 ON 45min switchover RS system rum Each test mode resumes the initial state after two hours Operation When resuming from the test mode operation will activate after 5 minutes COMP delay MICOM FUNCTION AND CIRCUIT DIAGRAM 5 2 Circuit Diagram 5 2 1 Power Supply Diagram CONI 13 eue vat 474 TRANS Pe ED var 1 1 gl 28 voo 2 754 0 077 e 9L058 125 L2 R2 CM3 VAREF Eveaoox 56K 2W 473 4 630v 000 Mon RI A F CEL FBI 107 900 90v Law WE 3 C 1 7450V 64 4 3 De 104 027 Jgs FRIO7 16 OM J30 850561 1 V R 5 R3 470K 1W E gt VSS VASS 4 8 3 TEST Power supply diagram consists of a noise reduction part and a SIMPS Switching Mode Power Supply a rectifying part BD1 CE1 from AC to DC a switc
13. 00047UF 2012 50V 80 20 R TP X7R MURATA 1 33 0CK224DK94A CAPACITUR FIXED CERAM 220NF 2012 50V 807 207 FCYSV gt R TP MURAT CC15 7 7 34 0 1040 94 CAPACITOR FIXED CE 100NF 2012 50V 807 207 R TP F T CC2 4 6 7 13 14 5 5 35 0CK223DK96A CAPACITOR FIXED CE 22NF 2012 50V 80 20 R TP X7 CC8 12 36 ORD1002G609 RESISTER FIXED MET 10K OHM 1 4 W 5 007 52 R15 17 1 37 09047010609 RESISTUR FIXED CAR 4 7K OHM 174 5 00 52 7 R18 5 5 38 ORD2001G609 _ RESISTOR FIXED CARBON 2K OHM 174 5 00 52 T R9 13 1 39 0855602 641 RESISTOR FIXED METAL 56 OHM 2 5 00 F20 R21 1 40 ORD1004G609 RESISTUR FIXED CARBON 1 OHM 1 4 W 5 00 TAS2 T R22 1 41 0RS4703J609 RESISTOR FIXED METAL 470K OHM 1 W 5 52 T R23 1 42 08268000609 RESISTOR FIXED CARBON 680 OHM 1 4 W 5 00 TA52 T R26 4 43 ORD2612E472 RESISTOR FIXED CARBON 26 1K DHM 1 8 W 2012 1 00 TA52 T R5 8 44 091000622 RESISTOR METAL GLAZED 10 1 8 2012 57 R TP Re 4 14 1 45 06008226609 RESISTUR FIXED CARBON 82 OHM 1 8 2012 5 00 TAS T R24 1 46 02068016609 RESISTUR FIXED CARBON 6 8K OHM 1 8 V 2012 5 00 52 R25 47 ORH4701L622 RESISTOR METAL GLA 4 7K OHM 17 8 V 2012 5 00 D R119 1 1 48 08 2001_622_ RESISTOR METAL GLAZE 2K UHM 1 7 8 V 2012 57 R TP T R20 1 49 0RHIB0lL622 RESISTUR FIXED METAL 1 8K DHM 1 7 8 W 2012 5 00 D T R27 1 50 0
14. UU UU Over cooling and weak cooling in upper VALVE Improper coolant valve location Replace Valve and lower part at ie same time VALVE PIPE welding Capillary tube welding clogged Switch valve terminal location Insufficient cooling in upper and lower part clogged Improper coolant valve Operation malfunction and OLP activated 99 operation EE 88 Insufficient cooling in upper part Upper part interior sensor Sensor line cut Replace Case display Upper part cooling sensor Sensor malfunction 88 EE Insufficient cooling in lower part Lower part interior sensor Sensor line cut Replace barrier Lower part cooling sensor Sensor malfunction Improper communication in display Display PWB leadwire Cutwire PWB malfunction Replace Case display 8 88 Insufficient cooling in upper part Upper part interior sensor Sensor line cut Replace Case display Sensor malfunction 88 8E Insufficient cooling in lower part Lower part interior sensor Sensor line cut Replace barrier Lower part cooling sensor Sensor malfunction Eg 88 Insufficient cooling Upper part cooling sensor Sensor line cut 88 8 Lower part cooling sensor Sensor malfunction NOTE Weak cooling overcooling malfunction MAIN PCB Cut wire or a short circuit inthe Product Exchange exterior sensor If indication appears press both of the upper part temperature control switch 5 7 A at the same time NOTE Turns off RED and WHITE LED of
15. o o gt 52 F gt 54 F gt o o 64F WHITE LED ON gt REDLEDON gt 3 By pressing V It will display in the order of 64 o o o gt 54 F 9 5257 gt o 9 43 REDLEDON gt WHITELEDON gt 4 NOTE Bottom temperature cannot be higher than the top 14 MICOM FUNCTION AND CIRCUIT DIAGRAM 5 1 4 DISPLAY OFF Function 1 With the lock off by pressing the Power button for 3 seconds every LED turns OFF and the machine switches to suspension mode 2 In the suspension mode by pressing Power button for 3 seconds the suspension mode is cancelled and the Top Bottom part displays its prior values NOTE The lock is off You can change the Top Bottom temperature 5 1 5 Lamp ON OFF Function 1 Each press of the LAMP button turns on off the LAMP 2 If the LAMP remains turned on for over an hour the LAMP automatically turns itself off 5 1 6 Temperature Control 1 Top Temperature 1 Top temperature is controlled by controlling the coolant intake valve according to the set temperature 2 If the exterior temperature is lower than the top setting the control increases the temperature by turning on off the top heater 2 Bottom Temperature 1 Bottom temperature is controlled by controlling the coolant intake valve according to the set temperature 2 If the exterior temperature is lower than the bottom setting the control increases the tempera
16. the temperature matching the interior and the actual wine temperature Interior temperature can be adjusted in a range between 6 18 C 1 unit 1 deg 6 2 ITO triple layer glass blocks ultraviolet and Reflected ight Incident light infrared rays It is a frost free glass ITO Indium Thin Oxide glass has 86 of infrared Ultraviolet rays 80 b rays reflection and 2096 of ultraviolet rays Infrared 86 transmission glass can be reinforced mu preventing any injury from an exterior impact Also the heat resistant quality of ITO glass prevents any frost forming Heat reflector Argon gas processed Suriace Transmitted light 6 3 Low vibration Anti vibration structure Vibration causes convection in precipitations on the bottom of the wine bottle resulting in a wine heat up by an over aging Low vibration Anti vibration structure reduces vibrations from the compressor This supports maintains the wine taste for a longer period of time Also the leg adjustor function was added in order to reduce vibration 30 STANDARD SELF DIAGNOSTIC FUNCTION T Standard Self Diagnostic Function In case if there is any malfunction in the wine cellar a symbol automatically is indicated on the set temperature display Symbol explanation is on the circuit diagram on the back panel of the product 7 1 Indications Symbol Symptom Condition Check point Cause Solution
17. 10 Service Parts Chart Warning When replacing the part please use a designated part for your safety and its function A Indicated is a safety component 10 1 Spread sheet 1 LRV410TT SERVICE PARTS CHART 10 2 Spread sheet 2 LRV650TT Il 97 SERVICE PARTS CHART 38 f N 7 10 3 Spread sheet 3 LRV810TT LG Electronics Inc P No 3828JD8886A JUL 2005 Printed in Korea
18. 12 12 68 6854B50001A JUMP WIRE 0 6MM 52MM TAPING SN 8MM J01 4 7 10 12 14 16 69 68548500014 JUMP WIRE 0 6MM 52MM TP TAPING SN 8MM J30 40 a 70 49111001 SOLDER SOLDERING SOLDER RUSIN WIREIRSO HUISUNG DAEJIN 25b 25 71 49111004 SOLDER SULDERING H63A we 72 59333105 FLUX SG 0 825 0 830 KOREA 206 25 MICOM FUNCTION AND CIRCUIT DIAGRAM 5 4 3 PWB ASS Y DISPLAY AND PARTS LIST RED F 3 o 9 g C WIE WHITE work 5 219 E 1 gt gt gt gt 23 gt 2 2 2 lt 0 0 DESCRIPTIUN SPEC MAKER REMARK 7 7 7 7 1 RESISTOR METAL GLAZEDCCHIP gt 360 OHM 1 8 5 007 2012 R TP R8 14 6 6 6 12 2K OHM 1 8 W 5 00 2012 R TP R6 R16 20 9191919 3 4 7K OHM 1 8 W 5 00 2012 R TP RLRS R21r27 1 1 1 1 4 10K OHM 1 8 W 5 007 2012 R TP Re 7 7 I 7 7 5 SWITCH TACT JTP1230A 12V DC SOMA K177 E 6 5 5 5 5 7 TRANSISTOR CHIP 8550 0195 1111111 8 KRC106S Q6 1 1 1 1 9 CAPACITOR FIXED ELECTROLYTIC 1007 SMS SG 16V M FL BULK E4 2 2 10 100UF SMS SG 25V M FL BULK ELES 4
19. 25 5 CDecrease 2 3 Decrease 3 5 Decrease 4 Decrease 560 821 100 5 2 Clncrease 25 Cherease 1 Chnoease 15 2 05 Chee c 5 No Change Q5 Choease 1 Cincrease 05 C Decrease 05 CInoesse c No Change Dee M 5 1 lt Decrease 15 C 2 lt Decrease 25 Decrease 15 C 5 Dee 2 Decrease C Decrease Decreasel 1 ps 2 5 C Decrease 2 3C Denrease Decrease 5 CDecrease 3 CDecrease Decrease 2 12 180 31 3 Clncrease 35 C 4 C Increase 5 x 9 3 8 25 Ch 2 Clncrease lists Pur 2 5 5 Increase nerease 25 fom norease 5 2 1 ncrease crease 1 5 Ls Increase 05 nese Increase crease Nate 05 Increase 05 CDecease No Change 05 Chzease 05 C Decrease C Decrease C Decrease 5 CDecrease 1 No Change 05 C Decrease 15 Deorase 1 2C Decrease 560 45 norease Cea 5 c 3 C 25 C norease ncrease Increase Increase s tem 1 Increase 05 No Change 0 5 lt Decrease 1800 5 C 4 Increase hene Clnerease 3 Chntease os Increase 2 Che 1 5 Increase Chose 05 Increase No Change 21 MICOM FUNCTI
20. 4 1 MAIN PWB ASSEMBLY 2 III NAOG MM6 15 031 96 1 II SLT DRE 6871JB1379 e MICOM FUNCTION AND CIRCUIT DIAGRAM 5 4 2 Replacement Parts List
21. 4 4 4 ul CAPACITORCCHIP 0 01UF C1 C2 C4 C5 18 gt 1 TEAR 14 RESONATOR CRYSTAL CSTS0400 4MHZ 0 5 15PF TP NONE 15 10111111 16 DIODE ZENERS RLZ R TP 110541 34 gt 0 5W 5 6 20 71 17 DIDDE RECTIF IERSCCHIP 1N4181 52 0035 100 0 54 0 54 4 11 1 1 1 1 18 IC TMP87C809M 28PIN SDIP BK MASK TOSHIBA IC1 1111111 19 KIA7042P 3P BK RESET KEC IC2 1 1 1 1 20 HOUSING HR2522J 5Y 4 4 4 4 e1 CONTACT TR2522J 5Y 4 4 4 4 ee LEAD WIRE UL1007 22AWG 2 2 22 23 DUMP LINE LENGTH 10MM JP3 4 5 5 5 5 24 DUMP LINE LENGTH 7 5MM JP5 9 2 212 2 25 DUMP LINE LENGTH 5MM JPL2 26 MICOM FUNCTION AND CIRCUIT DIAGRAM 5 5 PWB DIAGRAM 5 5 1 PWB Assembly Main DIAGRAM PWB circuit diagram may vary a little bit depending on actual condition 03 23 03860 TRANS Ry 105 1 100V C 1 5 44 ps 5 28 VDD VAREF gt G43 ge 630v MO p 1 44 CEL Fir ER FRI07 2 5 1 TO cc3 CE3 ET 22 n O EUM 730 PS256L1 1
22. LG WINE CELLAR CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL LRV410TT LRV650TT LRV810TT TABLE OF CONTENTS 1 Product SpecificatlOh 1 urea rau 3 2 Component Names and 5 4 E PEE 7 4 Circuit Diagrami RET 12 5 Micom Function and Circuit Diagram 14 6 Special Features DI cm 30 Standard Self Diagnostic 31 _ _ _ _ _ _ _ _ _ _ _ ___ _ _ _ _ _ _ _ _ ___ 232 _ _ lt _ _ _ _ __ _____ 32 9 Handle Disassembling Assembling Instruction unressnnssnnnnnnnennnnnnnnnennnnnnnnennnnnnn nennen nnne nnne nnn 35 10 Service Parts Chart iode in 36 SAFETY INSTRUCTIONS AD Unplug the power before you handle any electrical component If you must test the product with the power on please wear a rubber globe in order to prevent an electric shock Check the rated current voltage and capacity if you are using a gauge Take caution not to let any water near the electrical component around the compressor Please use a designated part for A marked parts or the circuit diagram Please remove any object from the top prior to tilting the product In order to preven
23. ON AND CIRCUIT DIAGRAM 5 2 9 Communication Circuit between MAIN PCB and DISPLAY PCB Communication circuit for an information exchange between MAIN MICOM and DISPLAY PCB in MAIN PCB If there is an interruption in information exchange between MAIN MICOM and DISPLAY PCB in MAIN PCB for more than 30 seconds it causes a communication malfunction MAIN PCB DISPLAY PCB DC 12V m um MAIN MICOM GND Transmitting Error Receiving NOTCH LCD Controlling MI COM gt ASSEMBLY MAIN PWBCPCB ASSEMBLY DISPLAY 1 1 oum d eee 102 8 1 X 25V 2 2 E 2 L ap MODULE 7 de 4 DES 5 6V m 01 gt KRC106M E P50 12 Tx Te 5 1 CONS 101 777 22 MICOM FUNCTION AND CIRCUIT DIAGRAM 5 3 Sensor Resistance Specification Chart Temperature Top Bottom Sensor Top Bottom EVA Sensor Measurement C Exterior Sensor 20 C 4 F 77 15 C 5 F 60 Ko 10 C 14 F 47 3
24. OR p64 8 R9 10K CPIM AD 1 2K 6 12 2 T LED DISPLAY 7 RIO 26 UP SENSORCAZMAD P63 M 10 4 evo ANS wl o T 225 T 50V 4 9 UP EVA SENSOR 5 p62 6 26 1K mE gt 1 8 1 des 26 Your nd 223 7 MICOM LED DISPLAY PCB2 26 5 12 P15 6 4 3 e gt 5 100 7 _ LOWER EVA SENSOR 07 99 9 9 961 R12 26 1K 1 4 Cv AINT on 2K es E LED DISPLAY d m A LOW SENSORCHZIEN evo AINO cci2 1 2K 4 10uF 3 223 50 1 777 100 100 e e os This circuit consists of top bottom sensor top EVA bottom EVA sensor for controlling top bottom parts storage maturing temperature and an exterior temperature sensor Each sensors SHORT and OPEN condition is as followed 20 Sensor Check Point Normal 30 50 Q SHORT OPEN Exterior Sensor POINT A Voltage Top Sensor POINT B Voltage _ Bottorn Sensor POINT EVolage 05V 45V 5V Top EVA Sensor POINT Voltage BotomEVASens POINT Votage MICOM FUNCTION AND CIRCUIT DIAGRAM 5 2 8 Temperature compensation and overcooling insufficient cooling maturing temperature cut compensation circuit 1 Temperature Compensation A circuit to input a valu Lt X MICUM OK P65 9 vaer va poe TUCR1 AIN5 110K P66 10
25. TOP and BOTTOM Power HOLD coupes warnen Vv A TTF RED MM LIGHT RED m 55 LA 7 2 Presentation Mode This function was added for salesroom display 1 Turn on the power and press both temperature increase key on the left side and the lamp on the right side button at the same time for 5 seconds be in normal operation E HOLD warnen 99 95 Em 2 SHOP or SH displays for 3 seconds then the normal O temperature display comes up 3 The compressor and the heater operation will be interrupted Temperature control and lamp function will 4 If you want to cancel the presentation mode follow the same instruction from number 1 will resume Normal cooling mode In case of a power outrage the presentation mode cower 15 Tm la A Bet A 91 automatically cancels itself Resetting is required MAINTENANCE 8 Maintenance 8 1 Installation Instruction Leveling the product Ensuring heat radiation area Two people are required in order to perform the leveling The heat radiation grill emits heat Please leave enough 1 Tilt the product a little bit to the back space more than 10cm for top and 0 5 fo
26. V 5 Re3 470K 1v 14 VSS VASS PT gest 5 NT FUE Qe 472 5 5 2 ies 27 ho 5 1 kia704zap 5 RES ET 7 LUE 05 1 CST4 00MGW 2 XIN R31 XOUT gt 1 3 cT 2 1 DH12DI 0 Q 65003 3 1 t 84 05 BA 15 2 23 m 5 ox P14 COMP CON3 8 7 RY2 G5N 1 Jo o up heater E 13 14 25 E ox P17 G5N 1 down heater 3 E 24 i 14 3 P16 8 IC TOSHIBA TMP87C809N IC1 27 MICOM FUNCTION AND CIRCUIT DIAGRAM PWB lt PCB ASSEMBLY DISPLAY L4 L Tr E GND 11 19 21 22 m 25 C LED E er z 4 TH SE m a gt KRC106M P50 12 R19 5 INT3 Tx 4 7K 101 cp P11 20 5 TEST m 12 Ds CHANGE DIFF Pes UCRI 5 66 10 LCR2 AIN6 m IC6 TD62308AP COM 1 8 3 WAY VALVE Lm R4 8 R 10K AIN4 evo e DISP ASSY 7 R10 a a up sensor AN3 1 2K E7 4 ml gj m e u 1 062 6
27. hing part IC3 for switching the DC voltage TRANS for delivering the energy from Switch 1 to 2 Switch 2 for supplying power to MICOM and IC and a FEED BACK ICA for sending a feedback to TRANS in order to maintain a consistent voltage at 2 There may be high voltage electricity DC310V on the power supply Please wait more than 3 minutes after you unplug the power in order to prevent an electric shock 5 2 2 Oscillation Circuit Synchronizing CLOCK generation for transmitting and receiving information of IC1 MICOM inner logic devices and time generation for time calculation If specifications of OSC1 are modified it may alter its calculation time or may cause a malfunction Please use regular parts OSC1 5 2 3 RESET Circuit When MICOM is powering up from an initial power on or from a power outage recovery the reset circuit initialize several parts inside of the MICOM C1 including the RAM In the early stage of the power up process the MICOM RESET terminal is supplied with a LOW voltage for a certain period of time 10mins normal voltage for RESET terminal is 5 3V MICOM does not operate with a defective RESET IC 1k aroa2ar T RESET pt Uo P o Iw 41 0 77 18 MICOM FUNCTION AND CIRCUIT DIAGRAM
28. ide the wine fridge will automatically turn off after the door is open for an hour Upper and lower separation boards The upper board is TOP and the lower one is BOTTOM They can be used to regulate temperature COMPONENT NAMES AND MOTIONS LRV650TT Operation panel Light bulb Light bulb inside the wine fridge can be turned on or LT off by pressing the button on the operation panel Wine shelf Light bulb inside the wine fridge will automatically turn off after the door is open for an hour Upper and lower separation boards The upper board is TOP and the lower one is BOTTOM They can be used to regulate Adjustable support temperature Can be adjusted when the fridge is not stable LRV410TT Light bulb Light bulb inside the wine a Wine shelf meni 200 fridge be turned on mon DNS off by pressing the button on the operation panel Light bulb inside the wine fridge will automatically turn off after the door is open for an hour Operation panel Adjustable support Can be adjusted when the fridge is not stable EXTERIOR 3 Exterior 3 1 Exterior LRV410TT 26
29. mperature setting LED 3 For every sensor malfunction top top EVA bottom bottom EV Exterior sensor all of the appropriate malfunction indications will be displayed even when more than 2 sensors are malfunctioning 4 n case of a communication error the communication error has the priority Sensor malfunction indication will not be displayed during a communication error display 5 Sensor malfunctions and communication error indications Indications NO Malfunctions Conditions Apart Bpart Cpart Dpart Epart 1 Top sensor malfunction 8 E ON 8 8 Cut wire or short circuit in top sensor 2 Top EVA sensor malfunction E 8 ON 8 8 Cut wire or short circuit in top EVA sensor 3 Bottom sensor malfunction 8 8 ON 8 E Cut wire or short circuit in a bottom sensor 4 Bottom EVA sensor malfunction 8 8 ON E 8 Cut wire or short circuit in a bottom EVA sensor 5 Exterior sensor malfunction 8 8 OFF 8 8 Cut wire or short circuit in an exterior sensor 6 Communication OFF OFF OFF C 0 No communication in 30 consecutive seconds connector malfunction unplugged defected TR in communication part j 111 n 5 1 10 TEST Function 1 Test function allows PCB and product function check and malfunctioning part identification WHITE 2 TEST S W is on the MAIN PCB Test mode resumes normal operation after 2 hours 3 After you terminate the test mode
30. r left and right side for heat radiation area 2 Level the product using r the leg adjustor Front Frontend amp Back Left amp Right litle bithigher More than i ack Le em E 10cm gt each fortop gt MEE rz 9 93 zung CREE lt I gt each side adjustor Avoid heat and direct sunlight when installing the Install the product in a dry and well ventilated space product It may form a mold resulting in a high electric bill It may decrease the cooling power resulting in a high electric bill 8 2 Cleaning Instruction Before cleaning make sure that the power is unplugged and clean the interior once a year 1 Unplug the power 2 Please use a soft cloth dampened with water or a detergent for exterior If you are using a neutral detergent wash it off with a clean wet towel 3 Do not use a polishing agent or a thinner 4 Do not pour water in the interior or on the exterior 5 Unclean door packing causes cool air leakage Please clean it properly 6 After the cleaning place the parts in its original place Plug in the power and set a desired temperature 32 MAINTENANCE 8 3 Temperature control The regulated temperature range is 43 F to 64 F Lock Unlock Function Light Switch To change the temperature gt Au gt a Push for ON Push again for OFF press the button for 3 seconds Indication of TOP Indication of BOTTOM Light
31. r senses exterior temperature and keeps interior temperature constant Wine Cellar Storage Temperature 1 5C Normal Operation 2 5 C Exterior Temperature Counter Operation 5 1 8 Electronic Parts Consecutive Operation Electronic parts such as COMP top bottom will operate in consecutive order to prevent a noise and parts damages from multiple parts operating at an initial power on and a series of test runs Includes temporary power outrage Function Load Operation Order POWER msany Sseconds 055 Bottom 3seconds Bottom COMP gt cc _ Heater Heater Heater Heater ON ON OFF ON OFF ON Atan initial Power on 3seconds 3minutes Top 10seconds gt VALVE VALVE Opening OPEN ids 7minutes CCM OFF ON Recovering from the TEST MODE 3seconds 3minutes 16 MICOM FUNCTION AND CIRCUIT DIAGRAM 5 1 9 Malfunction Diagnosis Function 1 This function is to facilitate SVC at a time of a problem during an operation 2 Even when a problem occurs display buttons and LED will operate in normal condition You can identify the problem by pressing both A and button The display will indicate the problem for 5 seconds NOTE In case of a communication error the problem will automatically be displayed on the bottom te
32. rature is lower than the set temperature COMPONENT NAMES AND MOTIONS 2 Component Names and Motions 2 1 Interior Interior Light Interior Ceiling CASE DISPLAY amp BARRIER installed in the lower column Interior light operates by the control panel regardless of door opening or closing Interior light uses DC voltage Please see 1 2 component details 2 or 3 interior lights are installed according to model sizes and light turns on and off by control panel operation button 2 2 Wine Rack Wine rack detail may vary according to the model types Each rack can hold 8 wine bottles and top rack holds 9 bottles Model Name 410 LRV650TT LRV810TT Standard Capacity 41bottles 65bottles 81bottles 2 3 Others Glass Holder Hangs wine glasses LRV810TT Wine Rack Stores leftover wine tilted LRV810TT LRV650TT Locking Device Key is enclosed in the inside of the refrigerator Leg Adjustor Front amp Back Left amp Right one each Please level the product using the leg adjustor COMPONENT NAMES AND MOTIONS LRV810TT Glass tray Operation panel Wine shelf Adjustable support Can be adjusted when the fridge is not stable Light bulb Light bulb inside the wine fridge can be turned on or off by pressing the button on the operation panel Light bulb ins
33. t a cut from a fin put on a glove before you repair the refrigerator or get near the heat resistor area PRODUCT SPECIFICATION 1 Product Specification 1 1 Rated product specifications Model Name LRV410TT LRV650TT LRV810TT Regular Contents 4 7cu ft 7 5cu ft 9 9cu ft Exterior measurements Width X Depth X Height 595 X 580 X 820 595 X 580 X 1185 595 X 580 X 1475 Rated Voltage Frequency 115V 60Hz Power Consumption 72W 80W 85W Weight 47kg 64kg 71kg Cooling Method Cool Air Automatic Circulation Type Temperature Control Device MICOM Outer Case Material Vinyl Coated Metal Inner Case Material A B S Resin OUT DOOR Indium Thin Oxide Triple Layers Glasses Aluminium Deco Insulation Material Poly Urethane Foam Insulation Foam Gas Cyclopentane Package Exterior Package Measurement 693 X 717 X 946 693 X 717 X 1296 693 X 717 X 1586 Details Width X Depth X Height Package Weight 51kg 74kg 81kg 1 2 Component Details Model Name LRV410TT LRV650TT LRV810TT Compressor NR45LADG MA53LCDG Overload Protect 4TM232NFB P T C P220MC P330MC Heat UPPER 8W 1EA UPPER 8W 2EA an UPPER 4W 2EA UPPER 5W 2EA Interior Light 12V 3W 0 25 Power Cord Length 1 9m Temperature Sensor Heat Reducing Load Resistance Device Interior Heater Heat up the interior when surrounding tempe
34. take out the bottle It may also cause damage to the shelf 8 4 2 Long term storage LRV810TT For a leftover wine store it with its lid tightly shut Precipitations may form on the bottom of the wine bottle according to wine variety storage condition and storage length This is only natural 8 4 3 Bottom shelf storage Bottom shelf can hold 4 bottles maximum 9 bottles BOTTOM SHELF 4 BOTTLES 34 Handle Disassembling Assembling Instruction 9 Handle Disassembling Assembling Instruction 9 1 Before you disassemble the handle 1 Empty the refrigerator before you disassemble the handle 2 Following tools are required 3 Do not tilt the refrigerator 4 Be careful not to drop the handle when disassembling assembling Rubber hammer Driver 9 2 Take off the gasket 1 Be careful not to tear the gasket when separating the part 2 It is much easier if you pull the corner of the gasket 4 9 3 Separate the handle and the bar 1 Take out 3 screws on the bottom of the handle 2 Take out 3 screws on the top of the handle 9 4 Separate the supporter and the handle U L 1 Use the rubber handle for supporter and handle U L separation 9 5 Reverse the order for re assembling the parts 35 SERVICE PARTS CHART
35. the Hold and Light buttons simultaneously for 3 seconds power warweR 51 RED f RED Al ms L VF RED RED 1 eri ware Storage Temperature for wine Note that the temperature of the upper section cannot be set colder than the lower section If you want to adjust the upper section below the current temperature of the lower section it is necessary to first lower the temperature in lower section When it is delivered the temperature is set to RED 57 F for upper shelf and WHITE 46 F for lower shelf The recommended temperature range for wine is WHITE 43 F 52 F RED 54 F 64 F The time for the interior temperature to reach the set temperature varies with the specific usage of the refrigerator The displayed temperature is the set temperature which may be different from the actual temperature of the wine stored in the refrigerator After a power outage temperature resetting is needed Resetting can be done in accordance with instructions in Temperature Setting during Installation 239 MAINTENANCE 8 4 Correct Usage 8 4 1 How to place the wine bottle When placing in the wine bottle please place bottles inserting direction crossing each other as shown as in the picture f you overload one shelf it may cause inconvenience when you
36. ture by turning on off the bottom heater 3 3 WAY Valve Operation Condition 1 Appropriate valve opens closes according to each sensor temperature 2 If both top and bottom temperature is insufficient the part that is already in cooling process finishes its cooling then the other part s valve becomes opens No simultaneous cooling 3 If the cooling is not finished in given time 45min for top 30min for bottom the parts valve in cooling process will be closed and the other part s valve will be opened Top Part Bottom Part Valve Operation Satisfied Satisfied 1 Satisfied Unsatisfied Top CLOSE Bottom OPEN Unsatisfied Satisfied Top CLOSE Bottom OPEN Unsatisfied Unsatisfied Top 45min Bottom 30min 1 The opposite valve of the last satisfied part will be opened 4 COMP Operation Condition 1 COMP will be turned on if either the top or bottom part temperature is unsatisfied NOTE If EVA sensor reading is below the set temperature COMP will not operate 2 If both top and bottom are satisfied COMP switches to OFF 3 If bottom is satisfied and top is unsatisfied after a heating COMP will not be turned on until 30 minutes after the heating termination 4 If top is satisfied and bottom is unsatisfied after a heating COMP will not be turned on until 30 minutes after the heating termination 15 MICOM FUNCTION AND CIRCUIT DIAGRAM 5 1 7 Exterior Temperature Counter Operation 1 A senso
37. wil automatically turn off set temperature set temperature after one hour SSECSIOFF SSECSIOFF 7 une Er LI Power HOLD warnen BB Power button TOP temperature Indication of wine BOTTOM temperature Press to turn ON control button category control button Press and hold 3 seconds to turn OFF Change the Temperature Default factory setting is 57 F for the upper section and for model LRV410TT the lower section is 46 F CD Press Hold button for 3 seconds 3 After the temperature is set press the Hold utton again In the unlocked state the temperature indicators blink The indicator will be on showing the temperature has been set 1 power ver funus fon SN manner E VI p E Be A power warner F RED ffo warnen ac A sew O VILA 57 B5 ms Children should be restricted from tampering with the Hold 2 For best results select a temperature setting in the range button to avoid causing unwanted changes specified for each type of wine 2 Each press of an upper or lower temperature button will RED raise lower the temperature by 1 WHITE 43 F 52 F 5 To change the temperature display from C to F or F to C press
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