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Daewoo KOR-631G0P manual

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Table of contents for the manual

  • Page 1

    Service Manual Microwave Oven Model: KOR-631G0P KOR-631H0P KOR-861G0P KOR-861H0P DAEWOO ELECTRONICS CO., LTD. S/M No. : R631G0P001 ✔ Caution : In this Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information,please refer to PPL(Parts Price List) in Service In[...]

  • Page 2

    SAFETY AND PRECAUTIONS ...................... .. ............................................. .. .................................. .. 2 1. FOR SAFE OPE RATI ON ..... ... ..... .. ..... ... ..... .. ..... ... ..... ... ..... .. ..... ... ..... .. ..... ... ..... ... ..... .. ..... ... ..... .. .... 2 2. FOR SAFE SE RVIC E P ROCED URES .... ... ...[...]

  • Page 3

    S AFE TY AND P R E C AUT I O NS 1. FOR SAFE OPERATION D am ag e t hat al l ow s t he m i cr ow av e ener gy ( t hat cooks or heat s t he f ood) t o esc ape w ill re s u lt in poor c ooki ng and m ay cause ser i ous bodi l y i nj ury t o t he operat or . I F ANY OF THE FO LLOW I NG C O NDI TI O NS EXI ST , OPERA T O R MUST NOT USE THE APPL I ANCE. ([...]

  • Page 4

    S P E C IF IC A T I O N S SPECI FI C A TI O NS ARE S UBJECT TO CHANGE WIT H OUT NO TI CE. MO DE L K OR - 6 3 1 G/ H K OR - 8 6 1 G/ H PO WE R SUP PL Y 220V- 60Hz, SI N GLE PH ASE W I TH E ARTHI N G PO W E R C ONS UMPT I ON M I C R OW A VE 1 200W 1300W GRI LL CO MBI N A TI ON MI CROWA VE ENER GY OU T PUT 80 0 W 90 0W MI C ROW A VE FREQ UENC Y 24 50M[...]

  • Page 5

    E X TE R NAL VI E W 1. OUTER DIMENSION (KO R-631/8 61) 465/495 2 79/ 294 360/38 8 Fi g. 2 Si de Vi ew Fi g. 1 Fr ont Vi ew[...]

  • Page 6

    EX T ERNA L VI EW 2. FEATURE DIAGRAM 1. DOOR SEAL Door seal m ai nt ai ns t he m i cr ow av e wi t hi n th e oven c avi t y and pr ev ent s m i cr ow av e l eakag e. 2. DOOR HOOK W hen door i s cl osed, i t wi l l aut om at ic al ly l ock shut . If door i s opene d w hi le ov en i s ope rat i ng, m agnet r on t ube w i l l i m m edi at el y st op o[...]

  • Page 7

    EX TERNAL V I EW 3. CONTROL PANEL (1 ) KOR - 631G/86 1G 1. Ti m e set pad - Used t o set t he cook i ng t i m e and t he pr es ent t i m e. 2. Dis pla y - Cook i ng ti m e, pow er le vel , i ndi cat ors and pr esent t i m e are di spl ayed . 3. One touch - Us ed to cook or reh eat speci fi c qua nt it i es of foo d. 4. Auto cook - Use d t o cook or[...]

  • Page 8

    EX T ERNA L VI EW ( 2 ) KOR- 631 H/8 61H 1. Ti m e set pad - Used t o set t he cook i ng t i m e and t he pres ent t i m e. 2. Dis pla y - Cook i ng ti m e, pow er le vel , i ndi cat ors and pr esent t i m e are di spl ayed . 3. One touch - Us ed to cook or reh eat speci fi c qua nt it i es of foo d. 4. Mo re - U sed t o add t i m e t o cooki ng. 5[...]

  • Page 9

    IN ST A L L A T IO N 1. Stea dy, f lat locat i on Thi s m i cr ow ave ov en shoul d be set on a st eady , f l at sur f ac e. Thi s m i cr ow ave ov en i s desi gned f or c ount er t op us e onl y . 2. Leave space behi n d and side Al l ai r v ent s shoul d be kept a cl earanc e. I f al l vent s ar e cover ed dur i ng oper at i on , t he oven m ay o[...]

  • Page 10

    1. C onnect t he m ai n l ead t o an el ec tr ic al out l et . 2. A f t er pl aci ng t he f ood i n a sui t abl e cont ai ner , open t he oven door and put i t on t he gl ass t ra y . The gl ass t ray m ust a lways be i n pl ac e dur i ng cooki ng. 3. C lo se t he door secur el y . 4. W hen t he ove n door i s opene d, t he l ig ht t ur ns of f . 5[...]

  • Page 11

    D I SA SSE M B L Y A N D A SSE M B L Y Cauti ons to be observed wh en t roub l e shooti ng Unlike many other appliances , the microwave oven is high-voltage, hig h-current equipment. It is completely safety during n ormal operation. However , carelessness in servicing the ov en can result in an electric shock or possible danger fr om a short circui[...]

  • Page 12

    D I SASSE M B L Y A ND A SSE M BL Y 1. To r em ove cabi net 1) Rem ove t hr ee scr ews on cab in et back. 2) Push t he cabi net back ward. . 2. To r em ov e door asse m bl y 1) Rem ove a s cre w whi ch secur e t he s to pper hi nge t op. 2) Rem ove t he door assembl y f r om t op pl at e of cav it y . 3 ) Rever se th e abov e fo r r eass em bl y . [...]

  • Page 13

    D I SA SSE M BL Y A ND ASSE M BL Y 3. To r em ove door par t s. (1 ) KOR - 631G/ 631H (2 ) KOR - 861G/ 861H REF. NO PA RT CODE PART NAM E DESCRI PTION QT Y REMARK A01 35 12203800 FRA M E DO O R ABS XR - 401 H - 2938 1 A02 35 17003050 BAR RI ER - S CRE EN *O ACRY L 1 A03 35 15304610 SUP PO RTER BARR - S * O PP 1 A04 35 15204100 STO PPER HI NG E * T [...]

  • Page 14

    D I SASSE M B L Y A ND A SSE M BL Y 1) Rem ove t he gaske t doo r f r om door w el d as. 2) Rem ove t he bar r ie r sc ree n i nner f r om door w el d as. 3) Rem ove t he do or f rame f r om d oor wel d as. 4) Rem ove t he st opper hi nge t o p fr om door w el d as. 5) Rem ove t he sp ri ng an d the hook . 6) Rem ove t he suppor t er ba rr i er sc [...]

  • Page 15

    5. To r em ove cont r ol pan el par t s. (1 ) KOR - 631G/ 631H (2 ) KOR - 861G/ 861H REF. NO PART CODE PART NAM E DESCRI PTI O N QTY REMARK B01 3 518520900 S W I TCH M EM BR ANE KO R-631 G 0 S 1 3 518520910 KO R-631 H 0S B02 3 516719000 C O NTR OL- P AN EL A BS XR - 401 H - 2938 1 B0 3 PK M PM S ZA00 PCB M AI N AS KO R-631 H0 S 1 B04 712 240121 1 S[...]

  • Page 16

    D I SASSE M B L Y A ND A SSE M BL Y 1) Remove t he sc r ew w hi c h secu r e th e cont r ol panel , pus h up t wo sna p fi t s an d dr aw f o rwa r d th e cont r ol p anel asse m bl y . 2) Rem ove t he door open l ever fr om th e cont r ol panel . 3) Rem ove f our scr ew s w h ic h sec u r e t he PC B assembl y t o co ntr ol panel . 4) Di sc onnect[...]

  • Page 17

    D I SA SSE M BL Y A ND ASSE M BL Y 8. To remove win d gui de asse m b ly . 1) Rem ove a s cre w whi ch secur e t he wi nd g ui de ass em bl y . 2) Dr aw f or war d t he w i nd gui de ass em bl y . 3) Pul l t he f an f r om the m o to r sha ft . 4) Rem ove t wo sc rews w hi ch se cur e t he mot or sha ded po le . 5) Rem ove t he mot or shad ed pol e[...]

  • Page 18

    I NTE R L O C K M E C HANI S M AND AD JUS T M E NT The do or l ock m echani sm is a devi ce whi c h has be en spe ci al ly de si gned t o compl et el y el i m i nat e m i cr ow av e r adi at i on w hen t he door i s opene d dur i ng oper at io n, and t hus t o per f ec tl y pr even t t he dange r r esul t i ng f ro m t he l eaka ge of mic ro wave. [...]

  • Page 19

    T ROUB LE S H OOT I N G GU I DE Fol l owi ng the proc edur e bel ow to check i f t he oven i s def ect i ve or not . 1) C hec k ear th i ng b ef ore t r oubl e check in g. 2) Be car ef ul o f t he hi gh vol t age ci r cui t . 3) Dis char ge t he hi gh vol t age capa ci to r . 4) W he n ch ecki ng t he c ont i nui t y of t he swi t che s, f use or h[...]

  • Page 20

    TROUBLE S HOOTI NG GUI DE ( T R O U B L E 2 ) Di spl a y shows al l f i gur es sel ect ed, but ove n does not st ar t cooki ng, even t hough d esi r ed progr am and t i m e ar e set and st ar t pad i s ta pped. CON DI TI ON CHECK RESUL T CAUSE REMEDY O ut l et has pr oper vol t age Fuse does not bl ow . C heck c on t i nui t y of m agn et r on No C[...]

  • Page 21

    TROU BLE S HOOTI NG G UI D E ( TR OUBLE 3 ) N o m ic r o w a v e o s c illa t io n e v e n th o u g h f a n m o t o r r o t a t e s . C O N D IT IO N CHECK RE SUL T C ont i nui t y C ont in ui t y i n back w ar d di r ect i on 0 Ω or No C ont i nui t y No C ont i nui t y 0 V Appr ox 15 VD C CA USE De f ec t i v e hi gh v ol t age t rans f orm er [...]

  • Page 22

    TROUBLE S HOOTI NG GUI DE ( TROUBLE 4 ) The f ol l ow i ng vi sual c ondi t i ons i ndi cat e a pr obabl e def ect i ve t ouch cont r ol ci r cui t or m em br ane swi tc h ass em bl y 1. Inc om p l et e segment s, 1) Segment s mi ssi ng. 2) Par t i cal segment s m is si ng. 3) Di gi t f l i cker i ng ot her t han nor m al di spl ay sl i ght f l i c[...]

  • Page 23

    M E AS U R EM E NT AND TE S T 1. MEASUREMENT OF THE MICROWAVE POWER OUTPUT M i cr owave ou tp ut po w er can b e c hecke d by i ndi r ec tl y measur i ng th e t em per at ur e r i se of a cer t ai n am oun t of w at er expo sed t o th e m i cr ow av e as di re ct ed bel ow . PROCEDURE 1. M ic rowave po wer out put m easur em ent i s m ade wi th t h[...]

  • Page 24

    ME AS U R EM ENT AND TE ST 2. MICROWAVE RADIATION TEST PROCEDURE 1. P r epar e Mi cr ow a ve Ener gy Surv ey Met er , 600cc gl ass beak er , and gl a ss t her m om et er 100 ° C ( 212° F ) . 2. P our 275cc ± 15cc of t ap wat er i ni t ia l l y at 20 ± 5 ° C (6 8 ± 9° F) in t he 600 cc gl ass beak er wi t h an i nsi de di am et er of app ro x[...]

  • Page 25

    ME AS U R EM ENT AND TE ST 3. COMPONENT TEST PROCEDURE Hi gh vol t age i s pr esent at t he hi gh vol t age t er m i nal of t he hi gh vol t age t r ansf or m er dur in g any co oki ng cycl e. I t i s nei t her nece ssar y nor advi s abl e t o att em pt m eas ur em ent of t he hi gh vol t ag e. Befo re t ouch ing any oven com pone nts or w iring , [...]

  • Page 26

    W I R I NG D I AG R AM[...]

  • Page 27

    PRI N T E D CI R CU I T B O A R D 1. CIRCUIT CHECK PROCEDURE 1. Low vol ta ge tr ansf or m er check The l ow vol t age t r ans for m er is l ocat ed on th e P .C. B . M eas ur in g condi t i on: Inp ut v ol ta ge: 220 V / Fr equen cy: 60Hz 2. Vol tage Check - Ke y check poi nt - Check m et hod T ermi nal Vol t age LO AD N O LO AD 4 - 7 AC 12 . 6 V [...]

  • Page 28

    PRI NTED CIRCUI T B OA R D MP1 MP2 M easu r e Po i n t[...]

  • Page 29

    PR I N T E D C I RC U I T B O A RD 3. W hen th ere i s no m ic rowave osc i l la ti on 1) W he n t ouchi ng ST ART pad , ove n la m p does not t ur n on. Fan mot or do not r ot ate , bu t coo k i ndi cat or i n di spl ay com e s on. Cause : RE LAY 2 does n ot oper ate . re f e r to C i rc u i t D i a g r a m ( P o in t 3 ) - Check meth od 2) W he n[...]

  • Page 30

    PRI NTED CIRCUI T B OA R D 2. P.C.B. CIRCUIT DIAGRAM[...]

  • Page 31

    PR I N T E D C I RC U I T B O A RD 3. P.C.B. LOCATION NO (1 ) KOR - 631G/ 631H NO NAM E SYM BO L S P E C IF IC A T IO N PART CODE Q' T Y 1 BUZ ZER BZ1 BM - 20K 35156 00100 1 2 C A R R A Y CA 1 7P( 6) 102 M 50V CN 6XB- 102M 1 3 C A PACI TO R ELEC EC1 16V RS S 100uF CEX F1 C 101V 1 4 C A PACI TO R ELEC EC2 25V RS S 1000uF C EXF 1 E102V 1 5 C ONN[...]

  • Page 32

    (2 ) KOR - 861G/ 861H NO NAM E SYM BO L S P E C IF IC A T IO N PART CODE Q' T Y 1 BUZ ZER BZ1 BM - 20K 35156 00100 1 2 C A R R A Y CA 1 7P( 6) 102 M 50V CN 6XB- 102M 1 3 C A PACI TO R ELEC EC1 16V RS S 100uF CEX F1 C 101V 1 4 C A PACI TO R ELEC EC2 25V RS S 1000uF C EXF 1 E102V 1 5 C ONN ECT OR W AFE R CN 1 Y W 396- 0 2AV 35191 50520 1 6 C ONN[...]

  • Page 33

    EX P LO D ED VI EW A N D P AR TS LI S T 1. DOOR ASSEMBLY Ref er t o D i sassembl y and ass em bl y . 2. CONTROL PANEL ASSEMBLY Ref er t o D i sassembl y and ass em bl y . 3. TOTAL ASSEMBLY[...]

  • Page 34

    EX PLO D ED VI EW A ND P ARTS LI S T (1 ) KOR - 631G/ 631H REF NO PART CO DE PA RT NA M E DES CRIPTI ON Q' TY A00 DO OR AS Ref er t o di sassembl y and as sem bl y 1 B00 CO N TR OL P A NE L AS 1 F01 3510 801310 CA BI NE T PC M T0. 6 GE 1 F02 71 124010 1 1 SC RE W T A PPI NG T1 TR S 4X 1 0 M FZN 3 F03 3516 109000 CAVI TY W E LD A S CA V I T Y W[...]

  • Page 35

    (2 ) KOR - 861G/ 861H REF NO PART CO DE PA RT NA M E DES CRIPTI ON Q' TY A00 DO OR AS Re f er t o D i sa ss e m bl y and asse m bl y . 1 B00 CO N TR OL P A NE L AS 1 F01 3510 801400 CA BI NE T PC M T0. 6 1 F02 71 124010 1 1 SC RE W T A PPI NG T1 TR S 4X 1 0 M FZN 3 F03 3516 109200 CAVI TY W E LD A S CA V I T Y W E LD A S 1 3516 109700 CAVI TY [...]

  • Page 36

    DAEWOO ELECTRONICS CO., LTD 686, AHYEO N-DONG MAPO-GU SEOUL , KOREA C.P .O. BOX 8003 SE O U L, KOREA TELEX : D W ELEC K28177-8 C A BL E : “D AE W O O EL E C ” E-mail : G7F00E@w eb.dwe.co.kr F AX : 02) 360-8184 TEL: 02) 360- 8179~8180 PRINTED DATE : NOV. 1998[...]