LG MA695W Service Manual

LG MA695W Manual

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  • LG MA695W | Service Manual - Page 1
    GoldStar ...00401700„,iiefo.t Good Housekeeping Promises , ea' 41. " fte REFIOIL Website http://us.lgservice.conn MICROWAVE OVEN SERVICE MANUAL MODEL : MA695W CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P!NO : 3828W5S2307 July, 2002 Printed in Korea
  • LG MA695W | Service Manual - Page 2
    alifteeFftervice-pemortnel ice manual for propiamiantice proce takeri-to-elvoid-possible.exposure=to=excessive microwave PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE ICROWAVE ENERGY A) Do not opz1::::Yoz:1:ril""2 rz•• with the door opEF - BYMake the follutautpzdfety
  • LG MA695W | Service Manual - Page 3
    CONTROL PANEL OPERATING SEQUENCE SCHEMATIC DIAGRAM4SCHEMA I IL UlAURAM (II) CIRCUIT DESCRIPTION SERVICE INFORMATION TOOLS AND MEAPAInINC INSTRUMENTS MICROWAVE LEAKAGE TEST MEASUREMENT OF MICROWAVE POWER OUTPUT TROUBLE SHOOTING EXPLODED VIEW REPLACEMENT PARTS LIST P.C.B. PARTS LIST Pa e Inside front
  • LG MA695W | Service Manual - Page 4
    4 (Defrost) approx. 40% approx. 30%, 2 (Simmer) approx. 20% approx. 10% .7 -----' r Back Side ,,-..• 6,../ Accessories Owner's manual & cooking guide Glass turntable Rotating ring This microwave oven is designed for household use only. It is not recommended for commercial purposes. 1-1
  • LG MA695W | Service Manual - Page 5
    into an open waveguide or antenna while the device is energized. • Proper operation of the microwave oven requires that the magnetron be assembled to the waveguide and cavity. Never operate the magnetron FIN MAGNETRON CHASSIS GROUND MAGNETRON THE OVEN IS TO BE SERVICED ONLY BY PROPERLY QUALIFIED
  • LG MA695W | Service Manual - Page 6
    and the food and youi:tattri l hecintroWianel the amaaiathe hEcavy4;irli pare when handling.) damage to the oven and poor cooking rCSUItS d e sure the microwave oven Ibigs Are in place to ensure proper air flow 4. The oven should not be installed in any area where ecaus amage=the=electronsc
  • LG MA695W | Service Manual - Page 7
    OPERATING INSTRUCTIONS FEATURES Oven Front Plate Window Door Screen ❑oor Seal Display Window Control Panel CONTROL PANEL 2 0ne Touch Control POPCORN POTATO BEVERAGE FRESH FOOD VEGETABLE PLATE
  • LG MA695W | Service Manual - Page 8
    ,rte=foltomikrtg,ls,a,Clescription of component functio u ing oven operation. TAP/CJ FAR OCK NUMBER _CLOCK 1ST STAGE sTortcLEAn es- TIME NumBEn rowEn ex) To set 4:30, touch number key [4],[3], and [0]. -NaT=F1)=111 -1S-if=a4LIlour clock. 2) Clock will operate-as-long-as-power is applied
  • LG MA695W | Service Manual - Page 9
  • LG MA695W | Service Manual - Page 10
    NOTE. 1. DOOR IS OPEN. . RS. SENSING ELEMENT . COMPENSATING ELEMENT IRE COLOR. SYMBOL COLOR WM YVHITE BK BLACK BL BLUE YL YELLOW PK PINK RD RED t WH BN BROWN MOT/OVEN THERMOSTAT • SINGLE PHASE ONLY RK BK (• 1 : I . 3 .LIL . BK ND OVEN LAMP WEI PAN INH BK . SECONDARY INTERLOCK •
  • LG MA695W | Service Manual - Page 11
    WHEN THE OVENIS ET AT ANY LEVEL EXCEPT MAXIMUM. - -T-he-nconrcontroller controls trte-ON-OFF-tune-ofmlayaby ttftecTolimS)ignal tcamnpthiEsaverage output power of microwav (refer to page 1 1) die complete-Gy • Theaenif the rel ized by the micom contro • Power input is supplied to the high voltage
  • LG MA695W | Service Manual - Page 12
    . • Operate the oven at its maximum output. oven has been brought into compliance. Measure the microwave radiation using and • If the oven operates with,the door open, the service atectromagnetic radiatiormonitor by holding the personnel should: t ell the user not to operate-the-oven probe
  • LG MA695W | Service Manual - Page 13
    -reference- Also- ter the infnmmati n th avoice- he microwave energy leakage should not be more an 4 mW/c-m.sq. after determining that all parts areiri good condition, functioning properly and genuine pieteernent parts which are listedirEM manual have uses. • At least once a year, have the
  • LG MA695W | Service Manual - Page 14
    is in the lowestposition and the :',elected in ordelEttErfiiiiimiz eat. ition or removal of microwave-power4votohed • tim for the temperatufze)f the water to rise by a WATER L : DISCHARGE THE HIGH VOLTAGE CAPACITOR BEFORE SERVICING (Refer to page 2-1) LIftma_anripulLout control panel 1\ c I
  • LG MA695W | Service Manual - Page 15
    switch operate normally. 2. After replacing the door, check for microwave energy leakage with a survey meter. Microwave energy must w the limit of 5 mW/cm. (with fan-raol li- voltage capacitor. einove the screw holding the suction guide ASS'Y to n cavity and remove the high voltages r screw
  • LG MA695W | Service Manual - Page 16
    be below the limit of 5 mW/cm2. (With a 275 ml. water load). Make sure that gasket is rigidly attached to the magnetron. To prevent microwave leakage, tighten the mounting screws properly, making sure there is no gap between the waveguide and the magnetron. J. REMOVING THE TURNTABLE MOTOR 1) Remove
  • LG MA695W | Service Manual - Page 17
    ASS'Y rid take-iall4WMB IAPMW Control Panel PCB Sub Mm NISM The iabor lockamchanisi devonduch has been-specially damned to eliminate-complet* microwave activit n the door is-opened during cooking and thus to prevent the danger resulting from the micrcia P)M UNTING F THr PRIMARY/M NIT R/ SECONDARY
  • LG MA695W | Service Manual - Page 18
    EMISSION, REPLACE ONLY WITH IDENTICAL REPLACEMENT PARTS SZM V 16 FA-63 on vrk-C33A-OF on V-593011_F rt rnIMAnY SWITCH TYPE O. -53 YVE NO SZM- aVI'llzh=thlaRIthtltmgmltxgriEL-button is con ary - with-the-doorclosed- an audible click s ds common owly, the (COM) and normally open (NO:-p nals
  • LG MA695W | Service Manual - Page 19
    CAUTIONS 1 DISCONNECT THE POWER SUPPLY CORD FROM THE OUTLET WHENEVER REMOVING THE OUTER CASE FROM THE UNIT rrIOCErD WITH THE TEST NLY AFTER DISCHARGING THE HIGH VOLTAGE CAPACITOR AND REMOVING THE WIRE LEADS FROM THE PRIMARY WINDING OF THE I liGI I V LTAGE TRANS* RMER (SEE PAGE 2-1) 2 ALL OPFRATIONAL
  • LG MA695W | Service Manual - Page 20
    COMPONENTS HIGH VOLTAGE CAPACITOR TEST PROCEDURE Antenna Gasket m Chassis o Filament RESULTS NOTE: When testing the magnetron, be sure to install the magnetron gasket in the correct position and be sure that the gasket is in good condition. Measure the resistance. (Ohm-meter scale: Rx1000)
  • LG MA695W | Service Manual - Page 21
    FAN MOTOR (Wire leads removed) Relay 2 Medsure ttie resistorlum (Ohm mctcr ecale R Y 100) NRD) e 11 al• TURNTABLE MOTOR easure the resistance. (Ohm-meter-scale: R x 1000) 3 8 sec 14 sec sec sec 1 sec • 14 sec ^ec 16 sec ec ohm ohm 1-05 ohm ohm. - ohm.
  • LG MA695W | Service Manual - Page 22
    MICROWAVE OVEN TNIS CAN FLIM oundiiNMfor iecking for trouble. reful of thEElikp !Age circuit. ischarge the to ground while3amliing on this panel to disT FRmay=gtglin=ffIvugn*Famp=trpyri Food (Micom model only) CONDITION Icrowbve Oven urpur power is oo low CAUSE 1110- Iiiserturg marry plugs into
  • LG MA695W | Service Manual - Page 23
    shows a number or figure different from one touched Replam-t-key membrane assembly and check operation ► Everything works as specified. Still have trouble. 4 Random programming when touching -ether pads 5. Display at some figure and can not accept any nput CAUSF etroSe connection Defective
  • LG MA695W | Service Manual - Page 24
    and no input is accepted CONDITION CHFCK Check cont' i of monitor switch (w' RFSUI T inu la Check continuity of primary switch (with -d or opened). CAUSF REMEDY epla primary, monitor- seconda switches REL-AMIMpof 1.1X- .8-Assembly.- Dist- ivied one -kyle-of-the wir Normal. ETe from tran to
  • LG MA695W | Service Manual - Page 25
    CONDITION 1 Setting time does rrul uutui down when touching S CHECK Check continuity of secondary -switch (with door closed). RESULT Check the co nection betwi CN1 connect an 2 Fan motor or Check oven lamp do not turn on. fan motor. No continua a Abn rma CAUSE REMEDY assembly Loose
  • LG MA695W | Service Manual - Page 26
  • LG MA695W | Service Manual - Page 27
    EXPLODED VIEW INTRODUCTION • 1 o OVEN CAVITY PAR* DOOR PARTS INTERIOR PARTS BASE PLATE PARTS LATCH BOARD PARTS CONTROL PANEL PARTS 6-1
  • LG MA695W | Service Manual - Page 28
    DOOR PARTS 13352A 0 I I = = M = = 13552A 13213A = m MO = 1 I I 13536A I I 13720D 14026A I ! i I M M = -i 6-2
  • LG MA695W | Service Manual - Page 29
  • LG MA695W | Service Manual - Page 30
    OVEN CAVITY PARTS 948502 3311 33052A 36549S SS (0) „ 4P WTT010 CD 33390G 35889A P013
  • LG MA695W | Service Manual - Page 31
  • LG MA695W | Service Manual - Page 32
    ttEVN INTERIOR PARTS (I) Model: MA695W Check the rating label of Model and order SVC parts according to the Model No. 50FZZ) 56930V i z4 * Check the Rating Model No. 55006F * Check the Rating Model No. 56411A If SZO 6324A (i1iTTO2 TT03 5900A 56549F * Check the Rating Model No. C 54974S
  • LG MA695W | Service Manual - Page 33
    INTERIOR PARTS (II) Model: MA695W / 01 Check the rating label of Model and order SVC parts according to the Model No. *930:1D *Check the Rating Model No. 56411A SZ002 „al a 56324A WTTO2 55900A 56912B FZ* * Check the Rating Model No. 56201A 03 56549F * Check the Rating Model No. 54974S * Check
  • LG MA695W | Service Manual - Page 34
    47 . ..111. 1 • • •4I•• I1 _en-nnim _ tkiwilmq o w•, ■ ""11M MEW IIK"111.1 •-•_1:=1"; ! 1` 1=4-t-T:bi I DMMII "\\ iiid -aWoffe-'4 itailIIII ,„,',-WW ,, t- .411Iii.:•Ii 4\ -,-1Mb `WN K..-'' "il.\.l-''":-' i 11i iL, -e ,s, 7.t ,- .., ---.-&.--W..aw -i ;-1-rw--d=1"e c - •.--.
  • LG MA695W | Service Manual - Page 35
  • LG MA695W | Service Manual - Page 36
    II I :a. II l (.)i (4 11111 II o- • III • tl II • I ill, • ti 4siI,-41.il..k-bt-•I.-Ai0.oovO,np.0:.,„.I,...(04,0.0,I-.•111.00.m4--4.,.k,.,.0oi.f4,_ps„0_t-..,..i1.!J!,.et.-li*7i.y,•.,J.,I&r:tiz.ici_.ty.o.!,,c.•ti:o1iz_rilIY_i_rt:A.._mt•;I.,_,,,,.•1IIII•II ,1111111 11 111111 (III III
  • LG MA695W | Service Manual - Page 37
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GoldStar
...00401700„,iiefo.t
Good
Housekeeping
Promises
,
ea‘
41.
"
f
te
REFIOIL
Website
MICROWAVE
OVEN
SERVICE
MANUAL
MODEL
:
MA695W
CAUTION
BEFORE
SERVICING
THE
UNIT
READ
THE
SAFETY
PRECAUTIONS
IN
THIS
MANUAL.
P!NO
:
3828W5S2307
July,
2002
Printed
in
Korea