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8. Schematic Diagrams

8-1 Schematic Diagrams (ML9-Main)

(This Document can not be used without Samsung’s authorization)

CONNECTING WITH SUB PBA

MEMBRANE

EMCR

DOOR & TCO

SPARE

KEY-CONTROL

RESET

CLOCK SAVE

GAS SENSOR

MICOM

BUZZER

OPTION

DISPLAY

R05

4.7K

R04

DGN

4.7K

OR02

+5V

1N4148M

-34V

D01

+5V

C10

10uF

R03

4.7K

2K OR01

4.7K

+5V

TR101

KRC246

R21

47K

D09

47K

R22

D08

1N4148M

D07

1N4148M

D06

DGN

R09

47K

12516HS-16

CN0

29
P6

31
P8

12516HS-16

CN0

5
NC

33
P10

34
P11

35
P12

P13

37
P14

P15

39
P16

P17

F11

F13 3

F21

2
F23 44

11
13G

10
14G

9
15G

8
16G

7
17G

18G

23
1G

21
3G

VFD33-1802F

DSP1

10G

13
11G

12G

TMP88PU74F IC01

R02

47K

2K R01

C03

100nF

+5V

10uF C01

100nF C08

ELM7533CBA-S

IC02

DGN

CN01 YDAW200-26

C04

100nF

IC03

24LC04B

R06

10K

TR102

KRC246

CN04

100nF

+5V

1M R23

DGN

100nF C06

C09

10uF

4.7K R08

4.7K

R12

1nF

C15

XTL1

R07

12.5MHz

100nF

4.7K

DGN

C07

1N4148M D10

C02

100nF

+5V

-34V

R10

47K

C14

1nF

C13

C12

1nF

C11

C16

1nF

100nF C05

4.7K

R14

R11

4.7K

R16

R15

4.7K

1N4148M

D05

1N4148M

R20

47K

R19

47K

R18

47K

RY-POWER-H

RY-TT

RY-NIGHT

RY-SPARE

RY-INRUSH

RY-POWER-L

RY-VENT-H

47K

R17

INT

STB

RY-V_DOOR

TCO-S

BUZZER

RY-VENT-H

RY-SPARE

RY-INRUSH

RY-POWER-L

RY-POWER-H

RY-VENT-L

RY-TT

RY-NIGHT

RY-OPTION

RY-VENT-M

RY-MAIN

RY-BRIGHT

KEY7-AD

RY-OPTION

RY-VENT-M

RY-MAIN

RY-BRIGHT

RY-VENT-L

VFD-12G

VFD-11G

VFD-10G

KEY1

KEY2

KEY3

KEY4

KEY5

KEY6

KEY-1

KEY-2

KEY-3

KEY-4

KEY-5

KEY-6

GAS-S

KEY7-AD

KEY-6

KO-1

KO-2

KO-3

KO-4

KO-5

KO-6

KO-7

KO-8

KO-9

VFD-18G

VFD-17G

VFD-16G

VFD-15G

VFD-14G

VFD-13G

KEY-4

KEY-5

KEY-6

KO-1

KO-2

KO-3

KO-4

KO-5

KO-6

KO-7

KO-8

KO-9

KEY-1

KEY-2

KEY-3

KEY-4

KEY-5

C-S-O

OPTION-1

OPTION-2

RY-V_DOOR

TCO-S

BUZZER

KO-1

KO-2

KO-3

KO-4

KO-5

KO-6

KO-7

KO-8

KO-9

KEY-1

KEY-2

KEY-3

INT

RESET

STB

DOOR

TCO

GAS-S

C-S-I

C-S-O

SCL

SDA

OPTION-1

OPTION-2

DOOR

TCO

C-S-I

VFD-2S

VFD-1S

VFD-1G

VFD-2G

VFD-3G

VFD-4G

VFD-5G

VFD-6G

VFD-7G

VFD-8G

VFD-9G

VFD-10G

VFD-11G

VFD-12G

VFD-13G

VFD-14G

VFD-15G

VFD-16G

VFD-17G

VFD-18G

NP2

NP1

KEY1

KEY2

KEY3

KEY4

KEY5

KEY6

VFD-4G

VFD-5G

VFD-6G

VFD-7G

VFD-8G

VFD-9G

SDA

SCL

RESET

VFD-17S

VFD-16S

VFD-15S

VFD-14S

VFD-13S

VFD-12S

VFD-11S

VFD-10S

VFD-9S

VFD-8S

VFD-7S

VFD-6S

VFD-5S

VFD-4S

VFD-3S

VFD-18G

VFD-17G

VFD-16G

VFD-15G

VFD-14G

VFD-13G

VFD-11G

VFD-12G

VFD-10G

VFD-17S

VFD-16S

VFD-15S

VFD-14S

VFD-13S

VFD-12S

VFD-11S

VFD-10S

VFD-9S

VFD-8S

VFD-7S

VFD-6S

VFD-5S

VFD-4S

VFD-3S

VFD-2S

VFD-1S

VFD-1G

VFD-2G

VFD-3G

Содержание SMH9207ST

Страница 1: ...er for the more information 1 Precaution 2 Product Specification 3 Disassembly and Reassembly 4 Troubleshooting 5 Exploded Views and Part List 6 PCB Diagrams 7 Wiring Diagrams 8 Schematic Diagrams BASIC SMH7185BG MODEL SMH9207ST MODEL CODE SMH9207ST XAA ...

Страница 2: ...rrer motor 17 3 8 Removal of stirrer 18 3 9 1 Replacement of Control Circuit Board Power 19 3 9 2 Replacement of Control Circuit Board Main 19 3 10 Replacement of Cooktop lamp 20 3 11 Replacement of Oven Light 21 4 Troubleshooting 22 4 1 Error Code Numbering Rule 22 4 2 Error Code List 22 4 3 Electrical Malfunction 24 5 Exploded Views and Parts List 27 5 1 Exploded Views 27 5 2 Main Parts List 28 ...

Страница 3: ... 1 Precaution ...

Страница 4: ...k Monitor Switch Replace all of the following at the same time Primary door sensing switch and power relay as well as the Interlock Monitor Switch The correct adjustment of these switches is described elsewhere in this manual Make sure that the fuse has the correct rating for the particular model being repaired 13 Design Alteration Warning Use exact replacement parts only i e only those that are s...

Страница 5: ...ained 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 H V Diode Short H V Capacitor PRECAUTION There exists HIGH VOLTAGE ELECTRICITY with high current capabilities in the circuits of the HIGH VOLTAGE TRANSFORMER secondary and filament terminals It is extremely dangerous to wor...

Страница 6: ...uivalent noise level to other OTR with lower ventilation power The Strongest power without additional noise That s the benefit you can feel from New OTR Big Interior capacity for convenience With the 2 0 cu ft capacity it offers enough space to cook The big capacity combined with 1 100 watts of output achieves superior cooking results Sensor cook Don t worry about failure of your cooking New OTR s...

Страница 7: ...ry Item Description Code No Q ty TRAY COOKING DE74 20002A 1 ASSY GUIDE ROLLER DE97 00637A 1 ASSY HOOD DAMPER DE92 90242D 1 ASSY HARD WARE DE92 90505E 1 FILTER AIR DE63 30011A 2 FILTER CHARCOAL DE63 00367D 1 RACK WIRE DE75 00036B 1 ...

Страница 8: ... 99seconds 99 minutes 99seconds Power Source 120VAC 60Hz 120VAC 60Hz Power consumption 1700 Watts 1650 Watts Power Output 1150 Watts 1100 Watts Oven Cavity Dimensions W x H x D inches 207 8 x 931 32 x 149 16 221 32 x 107 8 x 147 8 Outside 297 8 x 161 2 x 1515 32 297 8 x 161 2 x 161 2 Shipping 333 8 x 1915 16 x 1913 32 333 8 x 205 32 x 1913 32 Net Gross Weight 51 6lbs 62 7lbs 52 7lbs 60 6lbs Export...

Страница 9: ...ed on metal tabs at bottom of wall mounting plate and to cabinet by 3 top cabinet bolts 3 1 Disassembly of Assembly Grille and Panel Outer Parts Explaination Photo Explaination Grille 1 Disconnect oven power 2 Remove Grille 1 Remove 2 screws 2 Slide the Grille to the left then pull it straght out Panel Outer 1 Disconnect oven power 2 Remove Grille 3 Remove Screw 7 4 Remove Screw 4 ...

Страница 10: ...and Reassembly Parts Explaination Photo Explaination Panel Outer 5 Remove Screw 4 6 Remove Screw 2 7 Remove Screw 2 Explaination Photo Explaination 8 Remove Panel Outer 3 1 Disassembly of Assembly Grille and Panel Outer ...

Страница 11: ... Remove Panel Outer 3 Discharge The High Voltage Capacitor ATTENTION When discharge must become ground terminal of HVC and metal of around 4 Remove screw 1 5 Disconnect the Lead Wire Base Bottom 1 Remove Screw 5 2 Disconnect Lamp Housing 3 Remove Base bottom HV Trans 1 Disconnect Oven Power 2 Remove the Base bottom and Panel Outer 3 Disassembly the Bracket Duct upper after remove screw ...

Страница 12: ...isassembly and Reassembly Parts Explaination Photo Explaination HV Trans 4 Disconnect the Lead Wire 5 Remove screw 4 6 Take out the HV Trans 3 2 Replacement of High Voltage Transformer and HVC and Base bottom ...

Страница 13: ...magnetron 2 Remove nuts 4 securing the magnetron to the wave guide 3 Take out the magnetron very carefully NOTE1 When removing the magnetron make sure that it antenna does not hit any adjacentparts or it may be damaged NOTE2 When replacing the magnetron be sure to remount the magnetron gasket in the correct position and make sure the gasket is in good condition PRECAUTION During replacement be cer...

Страница 14: ... Disconnect the lead wire 2 Open the Assembly Door by degree 90º 3 Seperate lifting Assembly Door from Set Removal of Door C 4 Insert flat screwdriver into the gap between Door A and Door C to remove Door C Becareful when handling Door C because it is fragile Removal of Key Door Spring 5 Detach the spring and key door from Door ...

Страница 15: ... 5 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 Insertion depth of the thin metal plate should be 0 5mm or less 6 Remove 4 screw securing Door E to Door A PRECAUTION PERFORM MICROWAVE LEAKAGE TEST 3 4 Replacement of Door Assembly ...

Страница 16: ...itor switch and power relay 4 When the above four switches operate properly check if any other part such as the control circuit board blower motor or high voltage transformer is defective 3 6 Replacement of Drive Motor Parts Explaination Photo Explaination Drive Motor 1 Disconnect power and remove Base bottom screws 5 2 Remove Base bottom and disconnect the turntable motor drive 3 Remove turntable...

Страница 17: ...motor Parts Explaination Photo Explaination Stirrer Motor 1 Disconnect power and remove Grille screws 3 2 Remove the bracket duct upper 3 Disconnect the stirrer motor wire 4 Remove stirrer motor screws 1 and after turn to arrow direction pull the stirrer motor ...

Страница 18: ...otor driver and located on the upper side of the cavity The oven uses a top feed wave guide The stirrer is located in the wave guide and the motor is located on the wave guide 1 Disconnect power and open the door 2 Remove the clip and turn the stirrer cover left 3 Remove stirrer cover and the stirrer will come with it ...

Страница 19: ... Printed Circuit FPC of membrane panel 2 Remove screws 3 securing the control circuit board 3 Lift up the control circuit board from the Ass y control box 4 When reconnecting the FPC connector make sure that the holes on the connector are properly engaged with the hooks on the Plastic Fastener 3 9 2 Replacement of Control Circuit Board Main Parts Explaination Photo Explaination Removal of P C B As...

Страница 20: ...o avoid injury from the heat of the bulb Parts Explaination Photo Explaination Cooktop Lamp 1 Unplug the oven or turn off the power at the main power 2 Remove the bulb cover and mounting screws 3 Replace the bulb with a 40 watt appliance bulb 4 Replace the bulb cover and mounting screws 5 Turn the power back on at the main power supply ...

Страница 21: ...embly 3 11 Replacement of Oven Light Parts Explaination Photo Explaination Oven Light 1 Disconnect Oven power 2 Remove the Grille 3 Remove the bracket Duct upper by remove 1 screw 4 Replace the bulb with a 40 watt appliance bulb ...

Страница 22: ...o 1 and No 2 refer to Open Error not sensed and Short Error respectively 4 This numbering rule has been applied to models to have been developed since January 1 2005 But GE or Customize model are excluded DEVICE ERROR CASE 0 Others 1 Open 1 Gas Sensor 2 Short 2 Temp Sensor 3 Weight Sensor 4 Easy PH Sensor 5 EEPROM 4 2 Error Code List Error Code Others E 0X Letter Solution Page SE Key Short Error 1...

Страница 23: ...n again and check if it is working properly S W Error Is a specific key not recognized Is the key recognized intermittently The membrane is defective Replace the Control Panel Is the key not recognized at all After Power On does the symptom continue Replace the PCB 4 2 1 Key Short Error ...

Страница 24: ...rmer NOTE 2 Oven does not accept key input Key input is not in Sequence Open or loose connection of membrane key pad to Ass y PCB Shorted or open membrane panel Refer to operation procedure Replace PCB main Defective Ass y PCB Timer starts countdown but no microwave Off alignment of latch switches Open or loose connection of high Adjust door and latch switches Check high voltage component accordin...

Страница 25: ...Off alignment of primary interlock Defective secondary interlock S W Open or loose wiring of Replace turntable motor Loud buzzing noise can be heard Loose fan and fan motor Tighten screws of fan motor Tighten screws of H V Transformer Replace H V Diode Loose screws on H V Transformer Shorted H V Diode Microwave output is low Decrease in power source voltage Consult electrician Open or loose wiring...

Страница 26: ...ing foods such as soup cocoa or milk Sparks Turntable motor does not rotate Open or loose wiring of turntable motor Replace turntable motor Defective turntable motor Oven stops operation during cooking Open or loose wiring of primary interlock switch Adjust door and latch switches Operation of thermal cutout Magnetron Sparks Metallic ware or cooking dishes touching on the oven wall Inform the cust...

Страница 27: ... 402 M036 P034 P025 P024 P039 M030 U003 P030 P124 M049 H024 M024 P032 P001 T036 U012 U005 U007 U004 U003 U003 M036 M030 M030 M048 M155 P121 M049 P059 M034 M035 M030 B009 A161 A161 A161 B006 M023 P109 M018 M017 M039 M042 M206 M041 M040 M001 M015 P012 P007 M038 U001 M087 M059 M059 C081 B022 P106 M068 M067 ...

Страница 28: ...01013 LAMP INCANDESCENT 130V 40W ORG E17 20 2 SA M038 DE26 00126B TRANS H V SHV U1870D 120V 60HZ 2545 2385 1 SA M039 2501 001011 C OIL 910nF 2100V BK 54x35x75mm 20mm 1 SA M040 DE61 00115A BRACKET HVC SMH7175 SECC T0 6 1 SA M041 DE91 70063D ASSY HVD HV03 12 MWO GE RED 1 SA M042 DE59 00002A DIODE H V 2CL4512H 450mA 13KV MWO ALL 1 SA M048 DE61 00905A BASE PLATE MAYTAG2 0 SECC T0 6 1 SA M049 DE31 1017...

Страница 29: ... WAVE MT 2 0 SECC 1 SA P124 DE60 30063A NUT MOUNTING M6 3 S10C ZNC YEL 2 SA T001 DE74 20002A TRAY COOKING GLASS T6 1 SA T017 DE97 00637A ASSY GUIDE ROLLER MT2 0 REGULAR 1 SA T030 DE75 00036B RACK WIRE SMH7175 SNCR W315 D4 1 SA T036 DE31 00059A BLADE STIRRER SMH9207 ALP1050 T0 5 1 SA U001 DE94 02136A ASSY BASE BOTTOM SMH7174BE BLK 1 SA U003 DE47 00006A HOLDER LAMP 250V 75W 250X187 2POLE OTR 1 SA U0...

Страница 30: ...E64 00759A DOOR C SMH7175 PP T1 5 BLK 1 SA D007 DE61 00048A SPRING KEY BLUING HSWR PI1 95 D8 75 L43 1 SA D011 DE64 01308A DOOR KEY MODULAR 2 POM BLK 1 SA D037 DE94 02096A ASSY DOOR A SMH9207 PC STS 1 SA D046 DE67 00250A CAP DOOR A SMH9207 PC BLK 1 SA D049 DE94 02095A ASSY DOOR SMH9207 PC STS 1 SA D063 DE64 02220A HANDLE BASE UPPER SMH9207 PC BLK 1 SA D064 DE64 02243A HANDLE BASE LOWER SMH9207 PC B...

Страница 31: ...ification Q ty SA SNA Remark C005 DE64 02218A CONTROL PANEL SMH9207 PC BLK 1 SA C010 DE64 02219A BUTTON SELECT SMH9207 PC BLK 1 SA C073 DE94 02099A ASSY BRACKET C PANEL SMH9207 SECC T0 4 1 SA C128 DE63 00603A EARTH CONTROL SMH9207 STS301 T0 15 1 SA C005 C010 C073 C128 5 4 Control Parts List ...

Страница 32: ...MOTOR MOUNTING PLATE PANEL OUTER VENT MOTOR 1 1 DE60 30015A NUT FLANGE M5 P0 8 MSWR10 FEFZY 4 SA MGT 1 1 DE92 90508A ASSY HOLDER NUT OTR6 1 SA 1 2 DE60 10111A SCREW LAG MSWR W1 4X50 1 SNA 1 2 DE60 20022A BOLT TOGGLE MSWR W3 16X75 3 SNA 1 2 DE60 20066A BOLT FLAT UNF1 4 L110 MSWR10 OTR6 3 SNA 1 2 DE60 30022A NUT TOGGLE SBC1 ZPC2 WHT 3 SNA 1 2 6001 002033 SCREW MACHINE TH M4 L16 ZPC BLK SWR 2 SNA HAN...

Страница 33: ...orization 1 2 3 No Parts Number Part Name Function and Rule 1 CN01 MAIN POWER PBA Connector Connect Main and Power PBA 2 CN02 Membrane switch Connector_L A Terminal for Connecting with Left Membrane Switch 3 CN03 Membrane switch Connector_R A Terminal for Connecting with Right Membrane Switch ...

Страница 34: ...V E N T L 20 5V 21 R Y TT 22 5V 23 IN T 24 TC O S 25 R Y M A IN 26 S TB C N 02 1 N O C O N N E C TIO N 2 K E Y IN 6 3 K E Y IN 5 4 K E Y IN 4 5 K E Y IN 3 6 K E Y IN 2 7 K E Y IN 1 8 K E Y O U T 9 9 K E Y O U T 8 10 K E Y O U T 7 11 K E Y O U T 6 12 K E Y O U T 5 13 K E Y O U T 4 14 K E Y O U T 3 15 K E Y O U T 2 16 K E Y O U T 1 C N 03 1 N O C O N N E C TIO N 2 K E Y IN 6 3 K E Y IN 5 4 K E Y IN ...

Страница 35: ...ms 6 PCB Diagrams 6 1 PCB Diagrams KEY ML9 This Document can not be used without Samsung s authorization No Parts Number Part Name Function and Rule 1 CN01 Power PBA Connector A Terminal for Connecting with Power PBA ...

Страница 36: ...36 6 PCB Diagrams 6 PCB Diagrams 6 2 PCB Diagrams KEY ML9 This Document can not be used without Samsung s authorization CN01 1 5V 2 KEY7 AD 3 G ND ...

Страница 37: ...ture use Spare Relay for future use 8 RY08 Turn Table Relay Turn on Turn Table 9 RY09 Vent Low Relay Turn on Low Ventilation 10 RY10 Vent Mid Relay Turn on Mid Ventilation 11 RY11 Vent High Relay Turn on High Ventilation 12 CN01 Power Relay Connector Connect Power supply and Relay Contact Inrush Bright Night Spare 13 CN02 Power Relay Connector Connect Power supply and Relay Contact Vent High Mid L...

Страница 38: ...PIN 5 BRIG HT NIG HT 6 NO PIN 7 SPARE CN02 1 VENT HIG H 2 NO PIN 3 VENT M ID 4 NO PIN 5 VENT LO W 6 NO PIN 7 TURN TABLE 8 NO PIN 9 M AIN CN03 1 G AS SENSO R S1 2 G AS SENSO R S2 3 G AS SENSO R H1 4 G AS SENSO R H2 CN04 1 DO O R SW ITCH 2 G ND 3 DO O R SW ITCH 4 TCO 5 G ND CN6 1 5V 2 KEY7 AD 3 G ND CN05 1 RY PO W ER L 2 RY PO W ER H 3 RY INRUSH 4 G S 5 RY BRIG HT 6 KEY7 AD 7 RY SPARE 8 VFD FILAM EN...

Страница 39: ...39 7 Wiring Diagrams 7 1 Wiring Diagrams This Document can not be used without Samsung s authorization ...

Страница 40: ...40 7 Wiring Diagrams 7 1 Wiring Diagrams This Document can not be used without Samsung s authorization ...

Страница 41: ...TL1 R07 12 5MHz 100nF 4 7K DGND C07 1N4148M D10 C02 100nF 5V 5V 34V R10 47K F1 F2 C14 1nF 1nF C13 C12 1nF 1nF C11 C16 1nF 100nF C05 4 7K R14 R11 4 7K 4 7K R16 R15 4 7K 1N4148M D05 D04 1N4148M R20 47K R19 47K R18 47K RY POWER H RY TT RY NIGHT RY SPARE RY INRUSH RY POWER L RY VENT H 47K R17 INT STB RY V_DOOR TCO S BUZZER RY VENT H RY SPARE RY INRUSH RY POWER L RY POWER H RY VENT L RY TT RY NIGHT RY ...

Страница 42: ... 1 2 4 3 1 2 5V PC817 PC101 G5T 1A 12VDC RY09 G5T 1A 12VDC RY05 R13 47K PTC101 R11 1K 1N4007 D103 33ohm 12V 1N4007 D11 SMW250 05V RED 3 1 2 4 5 12V DGND 5V CN04 KIA75S358 VCC VEE 5V 5V IC04 D10 1N4007 D08 1N4148M D09 1N4148M 1N4148M D05 1N4148M D104 1N4007 D03 KRC246M TR03 TR12 KRA226 AT 100K R06 KRC246M TR09 TR103 KRC246M R106 2K 100K R08 5V 1 5V 1 D101 1N4007 19 1K R07 PTC2 33ohm 26 1K R09 R103 ...

Страница 43: ...sungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe europe samsungportal com China china samsungportal com Asia asia samsungportal com Mideast Africa mea samsungportal com Samsung Electronics Co Ltd May 2009 Printed in Korea Code No DE68 05401A ...

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