Dacor PMOR30B Service Manual Download Page 45

Page: 45 / 46

PMOR30B

PMOR30R

PMOR30S

Figure S-3. LSI Unit Circuit

C 1

C 2

C 8

C 7

F 1

F 2

F 3

H 1

H 2

C 3

C12

G 7

G 1

G 2

WH-1

IC2
IXA062DR

CPU UNIT

IC5 IXA031DR

LIQUID CRYSTAL DISPLAY

100 x 160 Dots

IC1
IXA029DR

G 3

G14

G 5

G 6

G13

G12

G11

G 8

G 9

G10

G 4

Baked

Potatoes

STOP/

CLEAR

EASY

MINUTE

Keep

Warm

Popcorn

Reheat

Poultry

Meats

START

Set Up

Vegetables

Fish/

Seafood

Fan

Options

Light

Options

Pasta

Grains

Frozen

Food

Turntable

On/Off

Defrost

Beverages

Microwave

Recipes &

Instructions

H 3

C 9

C 4

C11

C 5

C10

C 6

C10 10µ/35v

C30 10µ/35v

C11 0.1µ/50v

C13 47µ/16v

C15 0.1µ/25v

D80

1SS355

D81

1SS355

C12

R81 20

R91 18kF

R92 20kF

TH1

5G20P40B333J

R90 43kF

R82

1/2w

C14

C43

C42

C140

100p/50v

C112

0.1µ

/25v

C19 0.1µ/25v

C98

C16

C44 0.1µ/50v

C22

10µ/35v

R21

4.7k

C63 330p/50v

C62 330p/50v

C61 330p/50v

C60 330p/50v

R77 270k

R76 270k

R75 270k

R74 270k

R73 270k

R67 15k

R66 15k

R65 15k

R64 15k

R63 15k

R62 15k

R61 15k

R110 4.7k

R111 4.7k

R112 47k

R99 15k

R100

4.7k

R113

150

1/2w

R60 15k

C64 330p/50v

C45 0.1µ/50v

C21 0.1µ/25v

C17

0.1µ

/50v

C18
0.1µ
/25v

R40 330 1w

D40

MA152WK

R11

1.2k

1/4w

ZD10

UDZ5.6B

IC6

M51953AFP

VCC

A13

AN0

TIOCA2

A20

Vcc

TM00

PB1

PB2

PB3

PB4

PB5

PB6

PB7

RES0

Vss

TxD0

P91

RxD0

P93

P94

P95

P40

P41

P42

P43

Vss

P44

P45

P46

P47

Vref

Avcc

MD2

MD1

MD0

LWR

HWR

Vcc

XTAL

EXTAL

Vss

NMI

RES

STBY

P67

P62

P61

WAIT

Vss

A19

A18

A17

A16

A15

A14

A13

A12

GND

A14

A15

A16

BYTE

GND

D15/A-1

D13

D12

VCC
VCC
GND

D11

D10

D2
D9
D1

A12
A11
A10

A9
A8
NC
NC

A18

A11

GND1

VLCD1

VCC1

V50
V40
V30
V20
V10

GREF

IREFM
IREFP
VLCD2
VLCD3

VCC2
GND2
GND3
VCC3
OSC1
OSC2

OSC

DCON

COM100

COM51

SEG160
SEG159
SEG158

SEG3
SEG2
SEG1

COM50
COM49

COM3
COM2
COM1

COM99
COM98

CL1
FLM

M/S

RES

CS
RS

WR
RD

VCC4
GND4

DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7

VCC5
GND5
VCC6

VLCD4

GND6

AN1
AN2
AN3
AN4
AN5
DA0
DA1
Avss

IRQ0

P81
P82
CS1
CS0
Vss
PA0
PA1
PA2
PA3
PA4
PA5

A10

A9
A8

Vss

A7
A6
A5
A4
A3
A2
A1
A0

Vcc
D15
D14
D13
D12
D11
D10

A17

A7
A6
A5
A4

D14

GND

R41 3.32kD

R42 3.57kD

R46 47k

R140

470 1/4w

R141 220k

R142 47k

R45 10k

R30

3.3k

R47 47k

R48 620k

R49 300k

R50 150kF

R51 75kF

R52 37.4kF

R13 4.7k

CF1
CST12.00MTW

R80 4.7k

LED1

LED2

IC3
KIA358FEL

C91 0.1µ/25v

C92 0.1µ/25v

C93 0.1µ/25v

C94 0.1µ/25v

C95 0.1µ/25v

C96 0.1µ/25v

C97 0.1µ/25v

R98
1M

(J10) 4.7k

(J12) 4.7k

(J11)

(J13)

R44 360kF

IC3
KIA358FEL

R10 470 1/2w

Q10 KTC1027

Q80
KTC1027

Q12
KRC101S

Q140 KRA101S

Q30
KRA101S

Q31
KRC101S

Q32
KRC101S

Q20
KRA102S

Q22
KRC101S

Q23
KRC101S

Q24
KRC101S

Q25
KRC101S

Q21
KRC101S

C20

100

VCC

TEST POINT

GND

INT

SENSOR

CN-F

CN-H

CN-C

GND

Inverter

MCK

PWM

BUZZER ENV.

BUZZER

INV. COM.

OVEN LAMP

FAN MOTOR

STIRRER

MOTOR

LAMP HOOD

TURNTABLE

MOTOR

HOOD

MOTOR

COM.

HOOD

MOTOR

HIGH/LOW

DOOR

VCC

C110

GND

SDA
SCL

VCC

IC4
S24C01AFJA-01

R20 15k

R68 15k

R69 15k

R70 15k

R71 15k

R72 15k

R43 1.8kF

C40 0.1µ/50v

C41
0.015µ/25v

KEY UNIT

TOUCH PANEL

NOTE :

: IF NOT SPECIFIED, 0.01µF / 25V

: IF NOT SPECIFIED, 1/10W ± 5%

Summary of Contents for PMOR30B

Page 1: ...ED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY INSIDE FRONT COVER BEFORE SERVICING INSIDE FRONT COVER WARNING TO SERVICE PERSONNEL 1 MICROWAVE MEASUREMENT PROC...

Page 2: ...operative unit perform a microwave emission check as per the Microwave Measure ment Procedure outlined in this service manual If microwave emissions level is in excess of the specified limit contact D...

Page 3: ...ischargehighvoltagecapacitor waitfor60seconds 4 Disconnect the leads to the primary of the inverter unit 5 Ensure that these leads remain isolated from other components and oven chassis by using insul...

Page 4: ...such as glass or plastic The placing of this standard load in the oven is important not only to protect the oven but also to insure that any leakage is measured accurately 4 Set the cooking control o...

Page 5: ...with the oven Servicing and repair work must be carried out only by trained service personnel DANGER Certaininitialpartsareintentionallynotgroundedandpresent a risk of electrical shock only during ser...

Page 6: ...wer P 20 approx 20 of Full Power P 10 approx 10 of Full Power P 0 No power throughout the cooking time TOUCH SCREEN ONE TOUCH SENSOR pads Beverage Center pad Keep Warm pad Defrost pad MINUTE PLUS pad...

Page 7: ...ing location OVEN DIAGRAM 1 Oven door with see through window 2 Door hinges 3 Stirrer cover 4 Turntable motor shaft 5 Oven lamp It will light when oven is operating or door is open 6 Door latches The...

Page 8: ...uch screen will go on to the Video Demo mode To cancel the Video Demo mode touch the STOP CLEAR pad And then set the clock 3 The touch screen will show the home page after setting the clock 4 The foll...

Page 9: ...he stop switch contacts open and then the contacts of the secondary interlock switch and primary interlock switch close And contacts of the relay RY1 open If the secondary interlock switch and primary...

Page 10: ...round Poultry of Poultry Fish Seafood Vegetables Entrees MainDishesandSnacksofFrozen food White Rice and Brown Rice of Pasta Grains Frozen breakfast food Meal in cup Hot dogs in buns Soup Frozen sandw...

Page 11: ...f the inverter unit through the control lines The IC controls on time of tran sistor Q1 by comparing the average value of the primary current with the magnitude of the power level data The IC has the...

Page 12: ...N O E1 F1 F2 F3 H1 E2 STOP SWITCH SECONDARY INTERLOCK SWITCH PRIMARY INTERLOCK SWITCH 120 V AC 60 Hz HOOD LAMP HL HL RY2 RY1 FM STM TTM HOOD FAN THERMAL CUT OUT HOOD CAPACITOR RY3 RY4 N C H2 H3 AC3 A...

Page 13: ...5 1000p 50V C61 C2 J2 R101 2 2 1W R102 D100 2 2 1W VRS2 47K 1 2KF 4 7K 1M R20 R35 R62 1 8K R44 36K 1 2W R43 33K 1 2W R42 R55 4 7K R5 CF1 8MHZ 1 3K 5W 1 2W 33K R31 R73 R72 D22 D23 D32 D20 h f e g D21 V...

Page 14: ...D22 D23 D20 D21 ZD31 J1 C31 CF1 VR1 VRS2 L2 BLUE RED R44 R40 C35 R31 D50 ZD32 ZD33 PD2 PD3 D100 EARTH CMK P3X R 94V 0 D70 R103 F FA FA F D11 HS2 VRS3 P1 P2 R2 R45 S2 S1 PH1 D1 Q1 VRS4 ZD70 R70 J8 J5 C...

Page 15: ...FAN MOTOR The hood fan motor is a two speed single phase double pole induction type requiring a hood fan capacitor It is located outside the upper rear part of the oven cavity is to remove from aroun...

Page 16: ...interlock switch and secondary interlock switch before replacing the monitor fuse If monitor fuse is replaced the monitor switch must also be replaced Use part FFS BA016 KIT as an assembly IMPORTANT W...

Page 17: ...e Oven lamp and turntable motor operate Turntable motor does not operate Oven lamp lights and fan motor operates Oven does not go into cook cycle when START pad is touched Oven seems to be operating b...

Page 18: ...ater and measure the temperature of the water with a thermometer or thermocouple temperature tester Stir the thermometer or thermocouple through the water until the temperature stabilizes Record the t...

Page 19: ...Bridge diode D1 is defective YES Exchange the bridge diode D1 NO Varistor VRS3 is defective YES Exchange the varistor VRS3 NO H V transformer is defective YES Exchange the H V transformer YES NO YES N...

Page 20: ...e bridge diode D1 transistor Q2 and transistor Q3 by using ohm meter and replace them if they are defective NOTE When a digital ohmmeter is used reverse the connection of ohmmeter leads against Figure...

Page 21: ...cate a closed circuit unless the temperatureofthethermalcut outreachesapproximately293 F 145 C An open thermal cut out indicates overheating of the oven exchange the oven thermal cut out and check ins...

Page 22: ...check all functions NOTE If the stop switch contacts fail in the open position and the door is closed the cooling fan motor stirrer motor and oven light will be activated by RY1 E STOP SWITCH TEST Sec...

Page 23: ...alues of motor terminals are as follows 5 Reconnect all leads removed from components during testing 6 Reinstall the outer case cabinet 7 Reconnect the power supply cord after the outer case is instal...

Page 24: ...d produces no signal If the Key unit is defective 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 To discharge high voltage capacitor wait for 60 seco...

Page 25: ...ect all leads removed from components during testing 6 Re install the outer case cabinet 7 Reconnect the power supply cord after the outer case is installed 8 Run the oven and check all functions K KE...

Page 26: ...w if indicator does not light up after above check and repairs are finished 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 To discharge high voltage...

Page 27: ...ven are dry Wipe off any moisture with a dry cloth or paper towel 6 The Sensor works with food at normal storage temperature For example chicken pieces would be at refrigerator temperature and canned...

Page 28: ...r unit 7 Ensure that the connector remain isolated from other components and oven chassis by using insulation tape 8 After that procedure re connect the power supply cord 9 Check the sensor cook opera...

Page 29: ...he inverter unit The touch control section consists of the following units 1 Key Unit 2 Control Unit The Control Unit consists of Power Unit and LSI Unit The principal functions of these units and the...

Page 30: ...nding signal will be input into PB5 10 PB6 OUT Terminal not used Connected to test point 11 PB7 OUT Turntable motor driving signal To turn on and off relay RY2 H level During Turntable On L level Duri...

Page 31: ...turn on and off relay RY4 H level During Hood motor high L level During Hood lmotor low 29 36 D8 D15 OUT Data signal is output to IC2 and IC5 37 Vcc IN Power source voltage 5V The power source voltage...

Page 32: ...on is applied to set up its cooking constant 83 AN3 IN Terminal to judge whether the model has the sensor cooking function or not By using the A D converter contained in the LSI DC voltage in accordan...

Page 33: ...hange the resistance values in parallel with R47 R52 Changing the resistance values results in that there is the same potential at both F 3 terminal of the absolute humidity sensor and AN5 terminal of...

Page 34: ...panel and the oven itself is so short that the two can t be separated For those models check and repair all the controls sensor related ones included of the touch control panel while keeping it connec...

Page 35: ...defective parts in the microwave generating and transmission assembly 7 There is visible damage to the oven Do not operate the oven 1 Without the RF gasket Magnetron 2 If the wave guide or oven cavity...

Page 36: ...UCHING ANY OVEN COMPONENTS OR WIRING INVERTER UNIT REMOVAL 1 Disconnect the power supply cord remove the oven from wall and remove outer case Refer to procedure of RemovalofOvenfromWall and OuterCaseR...

Page 37: ...ityfrontplate andliftupthefanmotorsideofthe hood duct 6 Disconnect the high voltage wire assembly from the magnetron MAGNETRON REMOVAL 7 Remove the inverter unit from the right base plate referring to...

Page 38: ...cavity 7 Now the temperature fuse Magnetron is free COOLING FAN MOTOR REMOVAL 1 Disconnect the power supply cord and remove the oven from wall and remove outer case Refer to procedure of RemovalofOven...

Page 39: ...r to match the stirrer fan shaft to the center of the stirrer support 2 Insert the shaft of stirrer fan to the shaft of stirrer motor 3 Insert the cutout of stirrer cover to the tabs on the ceiling 4...

Page 40: ...erly and check continuity of the monitor circuit Refer to chapter Test Procedure and Adjustment procedure 7 Disconnect the wire leads from the relay RY1 8 Disconnect the connectors CN A CN B CN F CN E...

Page 41: ...door stopper is free from the door assembly 8 Lift up the door assembly to release the upper and lower door hinge pins from the upper and lower oven hinges 9 Now the door assembly is free Note When th...

Page 42: ...VER 7 Insert a putty knife thickness of about 0 5mm into the gap A between the choke cover and door stopper and between the choke cover and the door frame as shown Figure C 3 to free engaging parts 8...

Page 43: ...HOLDER QRG RED QRG N O N O COM COM RED BLK PRIMATY INTERLOCK SWITCH STOP SWITCH STOP SWITCH HARNESS SENSOR GROUND WIRE CN B CN E CN C CN G CN F CN C CN A 1 9 1 1 1 1 12 12 3 3 2 7 RY1 GRY HOOD FAN MO...

Page 44: ...TOR AC120V 60Hz MOTOR RUN CAPACITOR INT VR VA GND BZ EN BZ HOOD LAMP HOOD LAMP HOOD MOTOR HOOD MOTOR HIGH LOW HOOD THERMO HOOD MOTOR STOP SWITCH STOP SWITCH LOW HIGH COM HOOD MOTOR COM R20 1k 1 2w R11...

Page 45: ...14 A13 A12 A3 A2 A1 A0 CE GND 0E D0 D8 A14 A15 A16 BYTE GND D15 A 1 D6 D13 D5 D12 D4 VCC VCC GND D11 D3 D10 D2 D9 D1 A12 A11 A10 A9 A8 NC NC A18 A11 GND1 VLCD1 VCC1 V50 V40 V30 V20 V10 GREF IREFM IREF...

Page 46: ...nted Wiring Board DIP 9 H XA L COM H M H M R110 C110 CN E CN A C100 CN C DOOR SW SP30 1 7 5 3 RY3 RY2 J1 VRS1 P S T1 XA VH D1 TTM AC MOTOR RUN CAPACITOR RY4 D22 AC D21 R2 R3 E Q1 B D20 3 SSR1 QKITPB03...

Search results

Summary of Contents for PMOR30B

Reviews:

Related manuals for PMOR30B

Brands by name

Popular brands

Dacor PMOR30B, Service Manual

Search results

Summary of Contents for PMOR30B

Reviews:

Related manuals for PMOR30B

Brands by name

Popular brands