Samsung C100R Service Manual Download Page 10 | Manualshive

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4-6 Replacement of Control Circuit Board

1. Be sure to disclyarge any static electricity from

your body, and avoid touching the "touch
control" circuitry.

2. Disconnect the connectors from the control

circuit board.

3. Remove screws securing the control box

assembly.

4. Lift up the control circuit board from right side

and remove the hooks holding the control
circuit board to the box assembly.

SCREWS

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Summary of Contents for C100R

Page 1: ...NTS MICROWAVE OVEN 1 Precaution 2 Specifications 3 Operating Instructions 4 Disassembly and Reassembly 5 Alignment and Adjustments 6 Troubleshooting 7 Exploded Views and Parts List 8 PCB Diagrams 9 Schematic Diagrams Manual C100R ...

Page 2: ...s and latches 5 evidence of dropping or abuse c Before turning on microwave power for any service test or inspection within the microwave generating compartments check the magnetron wave guide or transmission line and cavity for proper alignment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems s...

Page 3: ...ould remove their watches while repairing an MWO 11 To avoid any possible radiation hazard replace parts in accordance with the wiring diagram Also use only the exact replacements for the following parts Primary and secondary interlock switches interlock monitor switch 12 If the fuse is blown by the Interlock Monitor Switch Replace all of the following at the same time Primary door sensing switch ...

Page 4: ...citor remains charged about 30 seconds after disconnection Short the negative terminal of the high voltage capacitor to to the oven chassis Use a screwdriver 3 High voltage is maintained within specified limits by close tolerance safety related components and adjustments If the high voltage exceeds the specified limits check each of the special components PRECAUTION There exists HIGH VOLTAGE ELECT...

Page 5: ... POWER OPERATING FREQUENCY MAGNETRON COOLING METHOD OUTSIDE DIMENSIONS SHIPPING WEIGHT 99 MINUTES 230V 50Hz AC MICROWAVE 1 400W GRILL 1 300W CONVECTION 1 700W FROM 100 TO 900W 6 LEVEL POWER IEC 705 TEST PROCEDURE 2 450MHz OM75PH 31 COOLING FAN MOTOR 517 W x 310 H x 511 D mm 22 5 kg 24 5 kg ...

Page 6: ...m 310mm 216mm 511mm 3 Operating Instructions 3 1 Control Panel 3 2 Features External Views Door Ventilation Holes Light Safety Interlock Holes Control Pane Guide Roller Coupler Grill Rack Glass Plate Door Latches ...

Page 7: ... adjacent parts or it may be damaged NOTE2 When replacing the magnetron be sure to remount the magnetron gasket inthe correct position and make sure the gasket is in good 4 2 Replacement of High Voltage Transformer 1 Discharge the high voltage capacitor 2 Disconnect all the leads 3 Remove the mounting bolts 4 Reconnect the leads correctly and firmly PRECAUTION Servicemen should remove their watche...

Page 8: ...of Door E Following the procedure as shown in the figure insert and bend a thin metal plate between Door E and Door A until you hear the tick sound 1 Insertion depth of the thin metal plate should be 0 5mm or less 4 3 4 Removal of Key Door Spring Remove pin hinge from Door E Datach spring from Door E and key door 4 3 5RemovalofScreen Door Deco Door 1 Remove Door E from Door A 2 Remove Door Screen ...

Page 9: ...bove three switches operate properly check if any other part such as the control circuit board blower motor or high voltage transformer is defective 4 5 Replacement of Drive Motor 1 Take out the glass tray guide roller and coupler from cavity 2 Turn the oven upside down to replace the drive motor 3 Remove a screw securing the drive motor cover 4 Disconnect all the lead wires from the drive motor 5...

Page 10: ...ur body and avoid touching the touch control circuitry 2 Disconnect the connectors from the control circuit board 3 Remove screws securing the control box assembly 4 Lift up the control circuit board from right side and remove the hooks holding the control circuit board to the box assembly SCREWS ...

Page 11: ...2 Isolate the magnetron from the circuit by disconnecting its leads 3 A continuity check across the magnetron filament terminals should indicate one ohm or less 4 A continuity check between each filament terminal and magnetron case should read open Filament Terminals Primary Terminals PRECAUTION 1 High voltage is present at the high voltage terminals during any cook cycle 2 It is neither necessary...

Page 12: ...o Latch Body consult the figure 2 No specific adjustment during installation of Primary switch and Monitor switch to the latch body is necessary 3 When mounting the Latch Body to the oven assembly adjust the Latch Body by moving it so that the oven door will not have any play in it Check for play in the door by pulling the door assembly Make sure that the latch keys move smoothly after adjustment ...

Page 13: ...tion 4 When heating is finished stir the water again with the thermometer and measure the temperature T2 5 Subtract T1 from T2 This will give you the water temperature rise T 6 The output power is obtained by the following formula Output Power 4 187 x 1000 x T 0 88 x Mc x T2 T0 49 Heating Time sec 46 4 187 Coefficient for Water 1000 Water cc T Temperature Rise T1 T2 Mc Cylindrical borosilicate gla...

Page 14: ... level 4 Set survey meter dual ranges to 2 450MHz 5 Using the survey meter and spacer cone as described above measure near the opening of magnetron the surface of the air guide and the surface of the wave guide as shown in the following photo but avoid the high voltage components The reading should be less than 4mW cm2 5 11 Note on Measurement 1 Do not exceed the limited scale 2 The test probe mus...

Page 15: ...er NOTE2 Check adjustment of primary interlock monitor power relay door sensing switch NOTE 1 All of these switches must be replaced at the same time refer to adjustment instructions Check continuity of power relay contacts and if it has continuity replace power relay also NOTE 2 When H V Transformer is replaced check diode and magnetron also Oven does not accept key input Program 1 Key input is n...

Page 16: ...ain Loud buzzing noise can be heard 1 Loose fan and fan motor 2 Loose screws on H V Transformer 3 Shorted H V Diode Tighten screws of fan motor Tighten screws of H V Transformer Replace H V Diode Turntable motor does not rotate 1 Open or loose wiring of turntable motor 2 Defective turntable motor Replace turntable motor Oven stops operation during cooking 1 Open or loose wiring of primary interloc...

Page 17: ...09 MM62 MM31 MM32 MM125 MM106 MM105 MM103 MM104 MM93 MM27 MM30 MM29 MM14 MM22 MD01 MM18 MM19 MM20 MM641 MM642 MM16 MM35 MM65 MM87 MM58 MM28 MM17 MM63 MM61 MM68 MM60 MM69 MM72 MM66 MM73 MM07 MM03 MM05 MM55 MM551 MM06 MM10 MM71 MM17 MM88 MM56 MC01 MM59 MM57 MB01 MB05 MB03 MB02 MB04 MM50 ...

Page 18: ...5 C OIL 1 0uF 2100V BK 35X54X80 20mm 1 MM30 DE61 50106A BRACKET HVC SECC T0 8 W31 L125 8 1 MM31 DE91 70065A ASSY HVD BMP28 SEMA 12KV SUMI 1 MM32 DE91 70061A ASSY H V FUSE THV060T 0800 H 5KV 0 80A W 1 MM35 DE32 10013A SENSOR THERMISTOR PT 312 K2 1 MM42 DE39 00042A WIRE HARNESS B C100 230V50HZ AMFO 1 MM50 DE27 10020C COIL CHOKE TC 104 0 9UH 2 L31 W20 H32 1 MM52 DE63 90035H CUSHION RUBBER DFA20 T2 W1...

Page 19: ... PBT BLK CK95 1 MD07 DE61 70148A SPRING KEY HSWR3 PI6 0 D0 8 L34 4 BLUING 1 MD08 DE61 80002A HINGE UPPER SCP1 T2 3 26 77 ZPC3 WHT CE9 1 MD09 DE61 80003A HINGE LOWER SCP1 T2 3 26 77 ZPC3 WHT CE9 1 MD10 DE64 00547A KEY DOOR C100 NYLON 66 GV10 V0 1 MD15 DE64 90160A DECORATION DOOR 1 MD17 DE67 20184K SCREEN DOOR B CK920T TEMP GLASS T3 2 1 MD29 DE63 00024B CUSHION SCREEN C100 CR T2 0 W12 L150 BLK 2 MD1...

Page 20: ... XEF 230V50HZ 1 MC09 DE64 00370A KNOB CK95 VI PC 1 BOARD PCB 1 MC13 DE94 00647B ASSY CONTROL PANEL C100 R BWT RUSSIA 1 MC141 DE64 00373A BUTTON SELECT A CK95 VI PC 1 BOA 1 MC142 DE64 00375A BUTTON SELECT B CK95 VI PC 1 BOA 1 MC27 DE64 00374B BUTTON CANCEL C100 R BWT PC RUSSIA 1 MC28 DE64 00372B BUTTON DEFROST C100 R BWT PC RUSSIA 1 MC29 DE64 00371A BUTTON MORE CK95 VI PC 1 BOARD PC 1 S N A SERVICE...

Page 21: ...E47 70077A HEATER CONVECTION SHC 118E1 1680W 1 MA04 DE60 40026B WASHER PLAIN ID5 5 OD12 T1 0 SBC1 ZNC3 1 MA05 DE62 90098B ADIABATIC CASING T8 W245 L336 8 CK95 1 MA06 DE72 30016A BUSH MOTOR MSWR3 L11 2 D5 6 RE 1300 1 MA07 DE92 90487A ASSY COVER CASING CE115K 230V50HZ 1 MA08 DE60 40014B WASHER C MOTOR M16 T1 0 SECC ZNC3 1 MA09 DE61 50484A BRACKET HEATER STS430 T0 8 W27 2 L26 C 2 MA08 MA02 MA01 MA02 ...

Page 22: ...LATCH DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 1 B UPPER DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 1 C AIR DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 2 C BOX DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 2 M FAN DE60 10080B SCREW WASHER 2S SWRCH18A ZP2 PH PI5 L10 4 MAGNETRON DE60 10080B SCREW WASHER 2S SWRCH18A ZP2 PH PI5 L10 4 TRANS HV DE60 10082H SCREW A 2S 4X12 TOOTHED 5 P O...

Page 23: ... 8 P C B Diagrams 8 1 P C B Diagrams ...

Page 24: ...C 1 IC02 1404 000230 THERMISTOR PTC 27ohm 20 265V 1 5A 360mA BK 1 PTC1 2007 000033 R CHIP 0OHM 5 1 8W DA TP 3216 12 J01 12 2007 000277 R CHIP 100KOHM 1 1 10W DA TP 2012 1 R13 2007 000293 R CHIP 100OHM 5 1 8W DA TP 3216 8 R22 29 2007 000300 R CHIP 10KOHM 5 1 10W DA TP 2012 5 R07 09 16 17 2007 000468 R CHIP 1KOHM 5 1 10W DA TP 2012 7 R01 03 05 10 14 15 2007 000671 R CHIP 2KOHM 5 1 10W DA TP 2012 2 R...

Page 25: ...tic Diagrams 9 1 Schematic Diagrams MAGNETRON FA F RED RED RED RED SYMBOL COLOR BRN BROWN BLK BLACK RED RED BLU BLUE WHT BLK HIGH VOLTAGE TRANSFORMER HIGH VOLTAGE CAPACITOR HIGH VOLTAGE DIODE TO CHASSIS H V FUSE ...

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