Viking CDMOS200, CVMOS200 service manual Figure S-2 Power Unit Circuit

Page 40

CDMOS200

DMOS200

VMOS200

CVMOS200

1

2

3

4

A

B

C

Q2 2S B1238

R 4 27

5

6

C N-C

12P IN LE AD

WIR E HAR NE S S

C 10 LE D

A

B

C

D

E

F

CN-A

AC

OVE N LAMP TUR NTABLE MOTOR FAN MOTOR

AC

MIC R O

 

 

 

T1

 

D1-D4

 

 

 

 

 

11E S 1

 

 

 

 

1

4

 

A 1

 

 

 

D1

 

10G471K

 

 

D3

 

VR S 1

 

 

 

A 2

 

 

 

 

 

 

 

 

 

 

 

 

d

3

6

D4

D2

 

 

 

a

b

 

 

 

 

 

 

(J 1)

 

 

 

 

 

 

c

 

 

 

 

 

 

 

 

R Y1

 

 

 

NO

 

 

 

 

S270A

 

 

 

 

D7

 

 

C OM

 

 

 

 

1S

 

 

 

 

 

 

 

 

 

 

R Y2

 

 

 

NO

 

 

 

 

S270A

 

 

 

 

D8

 

 

C OM

 

 

 

 

1S

 

 

 

 

 

 

 

D5

D6

 

 

R 5 4.7k

 

1S S 270A

1S S 270A

 

 

 

 

0.1µ/50v1C

1000µ/35v2C

2.4k1

1

0.1µ/50v3C

10µ/35v4C

ZD1 HZ16-

 

+

 

 

 

+

 

 

 

 

 

 

R

 

 

 

 

 

Q1 2S B1238

 

R 3 510 1/2w

R 2 680 1/2w

S P 1 P KM22E P T

Q3 KR C 243M

R 6 3.3k

10µ/35v

+

 

 

 

C 5

 

 

C 2

G ND

 

VC

C 3

 

VA

C 1

 

 

C 4

INT

 

VR

C 9

 

BUZZE R

C 5

 

OVE N LAMP

C 6

 

TUR NTABLE

 

MOTOR

 

FAN MOTOR

 

MIC R O

C 7

 

NC

C 8

D

E

F

G

H

DOOR

S E NS ING S WITC H

B2

B 2

Figure S-2 Power Unit Circuit

C 11

NC

 

DOOR

 

S E NS ING

C 12

 

S WITC H

G

H

1

2

3

4

5

6

38

Image 40
Contents Table of Contents Models CDMOS200 VMOS200Before Servicing CDMOS200 VMOS200 CVMOS200 When the testing is completed Before ServicingMicrowave Measurement Procedure Canada Leakage test with enclosure installedRequirements Leakage test without enclosureMicrowave Measurement Procedure USA Leakage testViking Range Corporation If provided, Vent Hood, Fan assembly, Cooling Fan MotorMicrowave Ovens DMOS200 CDMOS200 VMOS200 CVMOS200 Foreword Specification General InformationDescription Grounding InstructionsMove the Round Grounding Prong from this Plug Oven DiagramVMOS200 model shown Power Level P-0 to P-90 Cooking OperationDescription of Operating Sequence OFF ConditionSensor Cooking Condition Cooking SequenceSchematic Door Closed Clock Appears on Display Imar Y IT C H C O Ndar Y S W IT C HDescription and Function of Components Troubleshooting Guide Test Procedures Test ProcedureProblem Procedure Letter Component Test Magnetron Assembly TestMicrowave Output Power Procedure Letter Component TestPower Transformer Test Procedure Letter Component Test High Voltage Rectifier Test Cavity Temperature Fuse TestMagnetron Temperature Fuse Test High Voltage Capacitor TestDoor Sensing Switch Monitor Switch TestSecondary Interlock System Test Secondary Interlock Relay RY2Before testing Touch Control Panel Assembly TestBlown Monitor Fuse Test Test Procedures KEY Unit TestRelay Test Weight 1ST Stage 2ND Stage Level TimeCompu Defrost Test Occurrence Cause or Correction Steps Occurrence Cause or CorrectionTesting Method for AH Sensor and /OR Control Unit AH Sensor TestChecking the initial sensor cooking condition Water load cooking testProcedure Letter Component Test Checking Control Unit Procedure Letter Component Test Noise Filter Test Measuring Point Indication of OHM-METERTouch Control Panel Assembly LSIIXA098DR Signal synchronized with commercial power source frequency Key strobe signalSignal coming from touch key Signal similar to P17Power source voltage GND0V Internal clock oscillation frequency control input settingPin No AH sensor inputSegment data signal Common data signal COM10SEG COM7 OUTAbsolute Humidity Sensor Circuit Structure of Absolute Humidity SensorTouch Control Panel Servicing Other PrecautionsServicing Tools Component Replacement and Adjustment Procedure Outer Case RemovalPower Transformer Removal Re-installHigh Voltage Rectifier and High Voltage Capacitor Removal Magnetron RemovalPositive Lock Connector NO-CASE Type Removal Control Panel Assembly RemovalOven Lamp and Lamp Socket Removal Turntable Motor RemovalAH Sensor Replacement RE-INSTALLCooling FAN Motor Removal Removal Door Replacement After adjustment, check the followingInstallation After any service, make sure of the followingSealer Film Diagram HIG H Voltag E C OmponeFigure S-2 Power Unit Circuit Circuit Figure S-3 CPUUnitFigure S-5 Printed Wiring Board of Power Unit Parts List Electric PartsCabinet Parts Control Panel PartsMiscellaneous Door PartsSCREWS,NUTS and Washers Oven and Cabinet Parts Control Panel Parts Door Parts Miscellaneous Packing and Accessories Copyright 2002 by Viking
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