Viking CVMOS200, CDMOS200 service manual LSIIXA098DR

Page 27

CDMOS200

DMOS200

VMOS200

CVMOS200

LSI(IXA098DR)

The I/O signal of the LSI(IXA098DR) is detailed in the following table.

Pin No.

Signal

I/O

Description

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

COM5

OUT

Common data signal : COM11.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connected to LCD signal COM11.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

COM4

OUT

Common data signal : COM12.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connected to LCD signal COM12.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

COM3

OUT

Common data signal : COM13.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connected to LCD signal COM13.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

COM2

OUT

Common data signal : COM14.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connected to LCD signal COM14.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

COM1

OUT

Common data signal : COM15.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connected to LCD signal COM15.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

COM0

OUT

Common data signal : COM16.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connected to LCD signal COM16.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7-10

VL1-VL4

IN

Power source voltage input terminal.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Standard voltage for LCD.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

VL5

IN

Power source voltage input terminal.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Standard voltage for LCD. Connected to GND.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12-14

C3-C1

IN

Terminal not used.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

VLIN

IN

Terminal not used.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16

VREG

OUT

Terminal not used.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

NC

_

Terminal not used.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18

VSS

IN

Power source voltage : -5.0V.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The power source voltage to the LSI is input to VSS terminal. Connected to VC.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19-21

P27-P25

OUT

Terminal not used.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22-26

P24-P20

IN

Used for initial balancing of the bridge circuit (absolute humidity sensor).

 

 

 

 

 

 

 

 

 

 

 

 

 

27

P47

IN

To input signal which communicates the door open/close information to LSI.

 

 

 

Door close "H" level signal (0V). Door open "L" level signal (-5V).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

28

P46

OUT

Terminal not used.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

29

P45

OUT

Oven lamp, fan motor and turntable motor driving signal.

 

 

 

 

 

 

 

 

 

 

 

To turn on and off shut off relay (RY1). The

 

 

 

 

16.7 msec.

 

 

 

 

 

 

 

 

H : GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

square waveform voltage is delivered to the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RY1 driving circuit and RY2 control circuit.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L : -5V

 

 

 

 

 

 

 

 

 

 

 

 

During cooking

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

P44

OUT

Magnetron high-voltage circuit driving signal.

 

 

 

 

 

 

 

 

 

 

 

To turn on and off the cook relay (RY2). The

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

H : GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100 %

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

signals holds "L" level during microwave cook-

 

ON

 

 

 

 

 

 

L : -5V

 

 

 

ing and "H" level while not cooking. In other

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF 24 sec.

OFF

 

 

 

 

 

 

 

cooking modes (variable cooking) the signal

 

 

 

 

 

 

 

 

 

H : GND

 

 

 

turns to "H" level and "L" level in repetition

70 %

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

8 sec.

 

 

L : -5V

 

 

 

according to the power level.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(ON and OFF times for other power level.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

31

P43

OUT

Terminal not used.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32

CNTR0

OUT

Signal to sound buzzer (2.0 kHz).

 

 

0.1 sec.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H : GND

 

 

 

A: key touch sound.

A

 

 

 

 

 

 

 

 

L : -5V

 

 

 

B: Completion sound.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.0 sec.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H : GND

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L : -5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

33

P41

OUT

Terminal not used.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

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Page 26 Page 28
Contents Models CDMOS200 VMOS200 Table of ContentsBefore Servicing CDMOS200 VMOS200 CVMOS200 Before Servicing When the testing is completedLeakage test without enclosure Microwave Measurement Procedure CanadaLeakage test with enclosure installed RequirementsLeakage test Microwave Measurement Procedure USAIf provided, Vent Hood, Fan assembly, Cooling Fan Motor Viking Range CorporationMicrowave Ovens DMOS200 CDMOS200 VMOS200 CVMOS200 Foreword Grounding Instructions SpecificationGeneral Information DescriptionOven Diagram Move the Round Grounding Prong from this PlugVMOS200 model shown OFF Condition Power Level P-0 to P-90 CookingOperation Description of Operating SequenceCooking Sequence Sensor Cooking ConditionImar Y IT C H C O Ndar Y S W IT C H Schematic Door Closed Clock Appears on DisplayDescription and Function of Components Troubleshooting Guide Procedure Letter Component Test Magnetron Assembly Test Test ProceduresTest Procedure ProblemProcedure Letter Component Test Microwave Output PowerPower Transformer Test High Voltage Capacitor Test Procedure Letter Component Test High Voltage Rectifier TestCavity Temperature Fuse Test Magnetron Temperature Fuse TestSecondary Interlock Relay RY2 Door Sensing SwitchMonitor Switch Test Secondary Interlock System TestTouch Control Panel Assembly Test Before testingBlown Monitor Fuse Test KEY Unit Test Test ProceduresWeight 1ST Stage 2ND Stage Level Time Relay TestCompu Defrost Test Steps Occurrence Cause or Correction Occurrence Cause or CorrectionWater load cooking test Testing Method for AH Sensor and /OR Control UnitAH Sensor Test Checking the initial sensor cooking condition Procedure Letter Component Test Checking Control Unit Measuring Point Indication of OHM-METER Procedure Letter Component Test Noise Filter TestTouch Control Panel Assembly LSIIXA098DR Signal similar to P17 Signal synchronized with commercial power source frequencyKey strobe signal Signal coming from touch keyAH sensor input Power source voltage GND0VInternal clock oscillation frequency control input setting Pin NoCOM7 OUT Segment data signalCommon data signal COM10 SEGStructure of Absolute Humidity Sensor Absolute Humidity Sensor CircuitOther Precautions Touch Control Panel ServicingServicing Tools Outer Case Removal Component Replacement and Adjustment ProcedureMagnetron Removal Power Transformer RemovalRe-install High Voltage Rectifier and High Voltage Capacitor RemovalTurntable Motor Removal Positive Lock Connector NO-CASE Type RemovalControl Panel Assembly Removal Oven Lamp and Lamp Socket RemovalRemoval AH Sensor ReplacementRE-INSTALL Cooling FAN Motor RemovalAfter adjustment, check the following Door ReplacementAfter any service, make sure of the following InstallationSealer Film HIG H Voltag E C Ompone DiagramFigure S-2 Power Unit Circuit Figure S-3 CPUUnit CircuitFigure S-5 Printed Wiring Board of Power Unit Control Panel Parts Parts ListElectric Parts Cabinet PartsDoor Parts MiscellaneousSCREWS,NUTS and Washers Oven and Cabinet Parts Control Panel Parts Door Parts Miscellaneous Packing and Accessories Copyright 2002 by Viking
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