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DAEWOO ELECTRONICS KOG-84CR, Руководство по обслуживанию, Страница: 9 / 44

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9

INTERLOCK MECHANISM FUNCTIONS AND ADJUSTMENTS

The door lock mechanism is a device which has been specially designed to completely eliminate microwave radiation
when the door is opened during operation, and thus to perfectly prevent the danger resulting from the leakage of
microwave.

(1) Primary interlock switch

When the door is closed, the hook will lock the oven door.
If the door is not closed properly, the oven will not operate.
When the door is closed, the hook pushes the lever downward.
The lever presses the button of the primary interlock switch to bring it under ‘ON’ condition.

Adjustment 1

When the door is closed, the switch button is pushed
by the hook.
The movement of the switch button should exceed 1.2
mm measured at the top of the button.

Hook

Lever hook

Lever pivot

Mounting screw

Button

Primary interlock 
switch

Содержание KOG-84CR

Страница 1: ...Service Manual Microwave Oven Model KOG 84CR DAEWOO ELECTRONICS CO LTD...

Страница 2: ...g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g g e e g...

Страница 3: ...e sure the power is turned off when the door is opened Do not attempt to defeat them DO NOT ATTEMPT TO SERVICE THIS APPLIANCE UNTIL YOU HAVE READ THIS SERVICE MANUAL 2 Correct Installation 1 This micr...

Страница 4: ...minal which is marked with the letter L or coloured red e e h h h h h h e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e...

Страница 5: ...n Select Function Microwave Grill Combination Microwave Power Level 5 stages Specifications are subject to change without notice 348 236 389 294 319 501 FIG 1 FRONT VIEW FIG 2 SIDE VIEW M W Lock Auto...

Страница 6: ...shut If door is opened while oven is operating magnetron tube will immediately stop operating 3DOOR SCREEN Allows viewing of food Microwave cannot pass through perforations in screen 4GRILL HEATER Tur...

Страница 7: ...r all information manually put into the oven control panel except clock When blinking the OVEN is interrupt Manipulation Mode START BUTTON Used to start a selected operation When lamp blinks press the...

Страница 8: ...e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e g g g g g g STAGE COOKING TIME WEIGHT DEFROST M...

Страница 9: ...When the door is closed the hook will lock the oven door If the door is not closed properly the oven will not operate When the door is closed the hook pushes the lever downward The lever presses the...

Страница 10: ...tch should be opened before other switches closed When the door is opened the monitor switch should be closed after other switches opened Secondary interlock switch and D O M switch The movement of th...

Страница 11: ...6K hf N e 1 L W Y J H W2 0M I4 6K g 3 1 N LfV 1 V K hfO Xhf N X h I4 6KfI4 6X 3 e 5 1 7 H W W M f I4 f N L 1f N V 6X hW2 X hf3 1 hf 6Xg X N e H hf J J 5 7 5 O 0Yh I f 3 1 3 g3 L V4 Kg O 0MI XhfV Lhf X...

Страница 12: ...K e 7 5 I4 e 3 X 6X W M e I4 6X g I 6X g V Y heV I 6X hf M eI J 5eJ H 6X N X X W Hg I4 XhV KhN Hhf N heO2 V4 Khf 0Yf N 7 He7 5 3 f X 3 X X hf 7 h I K g V 6Kg 5 L gO2 I4 6X 5 e H V e J 1 V K 3 1 hfJ L...

Страница 13: ...e O L J W 0M I4 6K I4 X W 0Y V4 W Mg 6X gI4 K O 0M 7 5 W2 1 O 0M W 0M I4 6K I4 K O M I4 6K 7 0Y g I4 Kh I4 6X O2 0M Y 7 W2 0M O 0M I4 6X I 6K O2 0Y I 6K 0M h e I4 6Kh I K W2 0M H 3 O M O2 M I4 K V4 6K...

Страница 14: ...0Y V 6K f I 5 W 5 I X V4 6X V4 K I4 6X W2 M O2 M O2 0M O2 M W2 M g W V4 6K fV Y 7 H V K I4 K I 6X I K O 0Y W2 0Y W2 M O2 0Y O 0Y J g W I 6X e V4 0YeJ V4 6X I 6K V4 K V4 6K W2 0M O 0M O 0Y W2 M O2 0M 7...

Страница 15: ...o screws q which secure the switch card reader 0 7 Reverse the above steps for reassembly REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK 1 3516706670 CONTROL PANEL ABS 1 2 3515500700 WINDOW DISPLA...

Страница 16: ...e the spring hook 5 Remove two hooks and lever hook REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK A1 3511704600 DOOR PAINTING AS KOG 840KS 1 A2 3517001800 BARRIER SCREEN I TEMPERED GLASS 3 2T 1 A...

Страница 17: ...7 6K J N f 3 X 7 5 fW Y V Lh3 1 6K 7 3 Lf N 1 J H f7 0Y V X gN 6K N X f3 L W f J M V 1 g L J 6X 3 1 fN 1 7 f 7 H N g 1 7 5 X N Lf 3 L 5fJ he O2 6K h3 Lg 3 H J eI4 1 3 1f N 1 e W 5hO2 6X gN 1g N 7 5g I...

Страница 18: ...the tray motor cover parts from the base plate Refer to Fig 11 12 2 Remove the tray motor cover 3 Remove two screws which secure the tray motor to tray motor bracket 4 Remove the tray motor FIG 12 Bot...

Страница 19: ...e AC plug removed To do otherwise may result in a false reading or damage to your meter TROUBLE SHOOTING GUIDE NOTE When electric parts are checked or replaced be sure the power cord is not inserted t...

Страница 20: ...interlock switch with door closed Check continuity of primary interlock switch contact with door partially open until interlock monitor switch contact close COM NC close Check continuity of primary w...

Страница 21: ...pprox 16V DC Faulty contacts of RELAY RY3 or open relay coil Defective touch control circuit Replace Replace No Continuity Malfunction of secondary interlock switch Adjust or replace No Continuity Def...

Страница 22: ...and secondary coil of high voltage transformer 0 or Defective high voltage transfromer Defective high voltage transfromer Defective touch control circuit Faulty contacts of RELAY RY1 or open relay co...

Страница 23: ...00 does not display when power is on 2 A distinct change in the brightness of one or more numbers is in the display 3 One or more digits in the display are not on when they should be 4 Display indica...

Страница 24: ...e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e...

Страница 25: ...itch 2 1 Procedure 1 Primary Interlock Switch 1 Disconnect two connectors from Primary Interlock Switch 2 Connect the ohmeter leads between the terminals of the primary interlock switch 3 Read the val...

Страница 26: ...ng a load of 275 5 mililitres of tap water initially at 68 9 F 20 5 C placed within the cavity at the center of the load carrying surface provided by the manufacture The water container should be a lo...

Страница 27: ...tage diode is located on the base near the transformer A Isolate the diode from the circuit by disconnecting the leads B With the ohmmeter set on the highest resistance scale measure the resistance ac...

Страница 28: ...MOSTAT KK KK MAGNETRON THERMOSTAT KK KK L V TRANSFORMER HEATER RELAY MOTOR RELAY CONTROL P W B ASS Y POWER RELAY SECONDARY INTERLOCK SWITCH BB BB D O M SWITCH H V DIODE H V CAPACITOR MAGNETRON H V TRA...

Страница 29: ...EARED MOTOR RR RED WW WHITE KK BLACK OO ORANGE BB BLUE NN BROWN GG GREEN GY GREEN YELLOW HEATER CONTROL P W B ASS Y GM CL FM POWER SUPPLY SINGLE PHASE ONLY GY LINE FILTER ASS Y GG WW WW WW WW L NN L B...

Страница 30: ...RR RED WW WHITE KK BLACK OO ORANGE BB BLUE NN BROWN GG GREEN GY GREEN YELLOW KK HEATER CONTROL P W B ASS Y GM CL FM POWER SUPPLY SINGLE PHASE ONLY GY LINE FILTER ASS Y GG WW WW WW WW L NN L BB FUSE P...

Страница 31: ...31 EXPLODED VIEW Au to Co ok me nu...

Страница 32: ...2 F21 3518109510 TRANS HV DH N90N0 84T 1 3518109500 TRANS HV JY N90N0 84T 1 SUB F22 7S327W50B1 SCREW TAPPING T2 FLANGE 5X12 MFZN 4 F23 3518002400 MAGNETRON 2M218J MF I 1 F24 7S312X4081 SCREW TAPPING...

Страница 33: ...700 NOISE FILTER DWLF L1 1 F53 4414A25100 FUSE BUSSMANN MDA 15 1 F54 7621401211 SCREW TAPPING T2S PAN 4X12 PW MFZN 2 F55 35113R5GM5 CORD POWER AS 3X1 5 80X80 120 RTML 1 F56 7S422X4081 SCREW SPECIAL TT...

Страница 34: ...e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e e...

Страница 35: ...35 FIG 17 MEASUREMENT POINT MP1 MP3 MP2...

Страница 36: ...36...

Страница 37: ...ly TROUBLE TIME DEFROST g do not come on WEIGHT DEFROST WATT do not come on COMBI does not come on GRILL AUTO COOK do not come on M W LOCK do not come on SEGMENT a does not come on from G1 to G5 SEGME...

Страница 38: ...is not Grill heat When pressing button oven lamp turns on Fan motor and turntable and cook indicator in display comes on Cause RELAY 3 does not operate CHECK METHOD POINT A B STAGE RELAY 2 ON GND 5VD...

Страница 39: ...ust check Diode D6 transistor Q2 A B MICOM CN2 R7 C2 R8 31 R19 5V C3 R6 D O M SW A B C MICOM D7 D8 D6 D9 D5 R10 C7 C6 C6 R9 5V 29 4 5 POINT A B STAGE 1 DOOR OPENED OPEN 5VDC 2 DOOR CLOSED CLOSED GND C...

Страница 40: ...the CARD NOTE 2 When the card Reader does not operate properly Replace a card Reader 17 27 16 28 V1 N C PH1 RCL RDT CLS 1 2 3 4 5 6 7 CA1 F5102Z RA1 5A104J 53014 0710 CN1 CARD READER ASS Y HARNESS P C...

Страница 41: ...41 1 Transistor NPN Type 2 Diode and zener diode Emitter Collector Q1 Q12 Base DIODE Cathode K ANODE A D1 15 ZENER DIODE Cathode K ANODE A ZD1 6 Q1 Q10 D1 10 ZD1 4...

Страница 42: ...42 P C B CIRCUIT DIAGRAM...

Страница 43: ...0500 CONNECTOR WAFER YW396 03AV CN101 4CW215RBD0 CONNECTOR HLEM15R 1 PCB SUB D2 D10 DZN4002A DZN4002A 1N4002A ZD1 DZTB3R9B DZTZ3R9B MTZ 3 9BV 1 2W ZD2 DZTZ5R6B DZTZ5R6B MTZ 5 6BW 1 2W ZD3 DZTZ4R7B DZT...

Страница 44: ...C0101112 SW RELAY G5J 1 TP M DT 12V SW101 111 5S50101Z93 SW TACT KPT 1115AM PCB SUB CD1 3511405900 COVER LED PP PCB SUB Q1 3 Q6 Q8 Q10 TZRC106M TRANSISTOR KRC 106M Q5 TZTA1270Y TRANSISTOR KTA 1270Y Q7...

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