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R-209BW

Figure S-3. CPU Unit Circuit

–

A 3

A 1

COM

G10

G 9

G 8

G 7

G 6

G 5

G 4

G 3

G 2

G 1

B 2

B 1

AC(N)

POWER UNIT

RY1

910 1/2w

R41 15k

NOTE

: IF NOT SPECIFIED, 1SS270A

: IF NOT SPECIFIED, 1/10W

R70 15k

R71 15k

R72 15k

R73 15k

R40 4.7k

R78 100k

R77 100k

R76 100k

R67

15k

R66

15k

R65

15k

R64

15k

R63

15k

R62

15k

R75 100k

C63 330p/50v

C62 330p/50v

C61 330p/50v

C60 330p/50v

D22

D40

Q10 DTA143EKA

Q30 DTA143EKA

Q20

DTA143EKA

Q22

DTA143ES

Q21

DTD143ES

2SA1037AK

D1-D4

11ES1

IC1

VRS1 10G471K

C2 470

/25v

R30

3.3k 1/4w

C1 0.1

/50v

C10

0.1

/25v

C20 0.1

/25v

C8 47

/16v

C21 10

/35v

R10 15k

R50 20kF

R20 15k

R6 15k

HZ4C3

ZD1

C3 0.01

/25v

C40 0.01

/25v

C5 0.1

/25v

0.1

/25v

C7 0.1

/25v

S12

SEG19

VC3

B Z

R00

R01

R02

R03

P20

P21

P22

P23

K00

K01

K02

K03

COM0

COM1

VC2

VC1

SEG18

SEG17

SEG16

SEG15

SEG14

SEG13

S11

S10

S 9

S 8

S 7

S 6

S 5

S 4

S 3

S 2

S 1

C 1

C 2

C 3

0.01

/25v

C11 0.01

/25v

SP1

PKM22EPT

D20

(J1)

D21

RY2

AC120V

60Hz

OVEN LAMP

TURNTABLE

MOTOR

FAN MOTOR

DOOR

SENSING

MICRO

AC(H)

GND

(J10)

(J15) 4.7k

(J11) 4.7k

(J13) 4.7k

(J12)

(J14)

RESET

SEG12

SEG11

SEG10

SEG9

SEG8

SEG7

SEG6

SEG5

SEG4

SEG3

SEG2

SEG1

SEG0

COM3

COM2

TEST

VSS

OCS3

OCS4

VD1

VDD

AVDD

AVREF

AVSS

P40

P41

P42

P43

BEVERAGE

FRESH

VEGETABLES

ROLL,

MUFFIN

DINNER

PLATE

MINUTE

PLUS

EXPRESS

DEFROST

BAKED

POTATO

POPCORN

TIMER

CLOCK

POWER

LEVEL

START

CPU UNIT

DEF.

LBS QTY.

CHECK

LIQUID CRYSTAL DISPLAY

KEY UNIT

GND

STOP

CLEAR

Содержание R-209BW

Страница 1: ...con tain circuitry capable of producing very high voltage and current contact with following parts may result in a severe possibly fatal electrical shock High Voltage Capacitor High Voltage Power Transformer Magnetron High Voltage Rectifier Assembly High Voltage Harness etc SHARP CORPORATION This document has been published to be used for after sales service only The contents are subject to change...

Страница 2: ...nd transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e A microwave leakage check to verify compliance with the Federal Performance Standard should be performed on each oven prior to release to the owner BEFORE SERVICING Before servicing an operative unit perform a microwave emission check as per the Microwave...

Страница 3: ...tor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that the leads remain isolated from other components and oven chassis by using insulation tape 6 After that procedure reconnect the power supply cord When the testing is completed 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Reconnect t...

Страница 4: ...oven until the following points are ensured A The door is tightly closed B The door brackets and hinges are not defective C The door packing is not damaged D The door is not deformed or warped E There is no other visible damage with the oven Servicing and repair work must be carried out only by trained service personnel DANGER Certaininitialpartsareintentionallynotgroundedandpresentariskofelectric...

Страница 5: ... Power for Variable Cooking Repetition Rate P HI Full power throughout the cooking time P 90 approx 90 of FULL Power P 80 approx 80 of FULL Power P 70 approx 70 of FULL Power P 60 approx 60 of FULL Power P 50 approx 50 of FULL Power P 40 approx 40 of FULL Power P 30 approx 30 of FULL Power P 20 approx 20 of FULL Power P 10 approx 10 of FULL Power P 0 No power throughout the cooking time EXPRESS DE...

Страница 6: ...N POWER TRANSFORMER RECTIFIER MAGNETRON CAPACITOR 0 86µF C T FUSE 120V AC 60 Hz OVEN LAMP TURN TABLE MOTOR FAN MOTOR MONITOR SWITCH SECONDARY INTERLOCK SWITCH TTM OL FM GRN A3 COM N O DOOR SENSING SWITCH B1 B2 RY 1 RY 2 CONTROL UNIT PRIMARY INTERLOCK RELAY MAGNETRON THERMAL CUT OUT A1 SCHEMATIC NOTE CONDITION OF OVEN 1 DOOR CLOSED 2 CLOCK APPEARS ON DISPLAY Figure O 1 Oven Schematic Off Condition ...

Страница 7: ...stalled 8 Run the oven and check all functions TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST 1 Disconnect the power supply cord and then remove outer case 2 Open the door and blocked it open 3 Discharge high voltage capacitor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that these leads remain isolated from other components and oven chassis by using insulation tape 6 A...

Страница 8: ...eshooting guide given below 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 Discharge high voltage capacitor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that these leads remain isolated from other components and oven chassis by using insulation tap...

Страница 9: ...uzzer circuit and syn chronizing signal circuit 1 ACL This circuit generates a signal which resets the LSI to the initial state when power is supplied 2 Indicator Circuit This circuit consists of 4 digits 12 segments and 3 common electrodes using a Liquid Crystal Display TOUCH CONTROL PANEL ASSEMBLY OUTLINE OF TOUCH CONTROL PANEL 3 Power Source Circuit This circuit generates voltage necessary in t...

Страница 10: ...Model By using the A D converter contained in the LSI DC voltage in accordance with the Model in operation is applied to set up its function 14 P43 IN To input signal which communicates the door open close information to LSI Door close H level signal 0V Door open L level 5V 15 BZ OUT Signal to sound buzzer 2 0 kHz A key touch sound B Completion sound 16 R00 OUT Key strobe signal Signal applied to ...

Страница 11: ...inal not used 32 33 SEG0 SEG1 OUT Terminal not used 34 SEG2 OUT Magnetron high voltage circuit driving signal To turn on and off the cook relay RY2 The signals holds L level during microwave cooking and H level while not cooking In other cooking modes variable cooking the signal turns to H level and L level in repetition according to the power level 35 SEG3 OUT Terminal not used 36 SEG4 OUT Oven l...

Страница 12: ...5v R10 15k R50 20kF R20 15k R6 15k R5 1k HZ4C3 ZD1 C3 0 01µ 25v C40 0 01µ 25v C5 0 1µ 25v C6 0 1µ 25v C7 0 1µ 25v C4 S12 SEG19 VC3 B Z R00 R01 R02 R03 P20 P21 P22 P23 K00 K01 K02 K03 COM0 COM1 VC2 VC1 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 S11 S10 S 9 S 8 S 7 S 6 S 5 S 4 S 3 S 2 S 1 C 1 C 2 C 3 0 01µ 25v C11 0 01µ 25v SP1 PKM22EPT D20 J1 D21 RY2 AC120V 60Hz OVEN LAMP TURNTABLE MOTOR FAN MOTOR DOOR SE...

Страница 13: ...th key unit and LCD 1 BA 3 2 1 FUNTKB008WREZ Key unit 1 AV 3 2 2 RLCDSA045DRE0 Liquid crystal display 1 AM 3 3 QCNC A012WRE0 Rubber connector 1 AF 3 4 XEPSD30P08XS0 Screw Control unit mtg 3 AA OVEN PARTS 4 1 PHOK A105WRF0 Latch hook 1 AL 4 2 LANGQA477WRW0 Light mount plate 1 AY 4 3 PCUSUA502WRP0 Waterproof cushion 1 AD 4 4 LBNDKA038WRP0 Capacitor holder 1 AF 4 5 NFANJA029WRE0 Fan blade 1 AL 4 6 PD...

Страница 14: ... label 1 AB SCREWS AND WASHERS 7 1 XHPSD40P08K00 Screw 4mm x 8mm 5 AA 7 2 LX EZA042WRE0 Special screw 2 AB 7 3 LX WZA028WRE0 Special washer 1 AB 7 4 LX CZA078WRE0 Special screw 2 AC 7 5 XHTSD40P08RV0 Screw 4mm x 8mm 5 AA 7 6 XHPSD30P06000 Screw 3mm x 6mm 1 AA 7 7 LX CZ0052WRE0 Special screw 2 AA 7 8 XOTSD40P12000 Screw 4mm x 12mm 6 AA 7 9 XOTSE40P08000 Screw 4mm x 8mm 4 AA 7 10 LX CZA071WRE0 Speci...

Страница 15: ...11 2 1 7 11 7 10 7 10 7 9 7 5 4 6 4 4 4 9 7 1 7 8 7 7 4 10 7 1 1 12 7 4 7 8 7 4 4 1 2 2 2 3 7 8 7 8 4 13 2 3 7 2 4 16 7 3 1 10 6 11 1 11 7 5 7 12 1 3 1 7 7 6 1 1 1 1 1 2 1 6 1 5 7 9 7 1 1 8 6 10 6 10 4 7 6 12 4 11 6 2 6 1 4 15 4 8 6 7 4 5 4 12 6 9 7 8 1 9 1 4 4 3 4 2 4 14 4 14 1 2 4 17 7 5 A A ...

Страница 16: ...rol panel foil side of Control unit must be cleaned by ethyl alcohol 2000SHARP CORP 6S2 530E Printed in U S A COPYRIGHT 2000 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be repro duced stored in retrieval systems or trans mitted in any form or by any means elec tronic mechanical photocopying record ing or otherwise without prior written per mission of the publisher CONT...

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