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5.CIRCUIT DIAGRAM

Figure 3

* Caution: The voltage between filament leads of magnetron is about 3.3VA.C, but the filament carries
4KV/DC high voltage with respect to ground.Never touch these leads with bare hand during operation.

S11

S104

S201

S101

S103

S301

S102

S12

Timer

Magnetron

H.VDiode

H.V Capacitor

Detector
(Infrared sensor)

Shatter motor

Door Sensing SW

H.V Transforemer

Fuse Diode

Thermistor

RL-6

RL-4

RL-5

Lower Heater

Upper Heater

Main Relay

Blower motor

Noise filter

AC 230-240V
50Hz

Lamp

Thermal limiter

Monitor SW

Door Interlock SW

Main circuit side

Geared motor

RL-3

RL-8

Black

White

Black

Содержание EMO-SRT1

Страница 1: ...ice test or inspection within the microwave generating compartments check the magnetron wave guide or transmission line and cavity for proper alignment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven i...

Страница 2: ...pper screws securely 4 Make sure the latch interlock switch and the door sensing switch open before the interlock monitor switches coses when the door is opened very slowly according to CHECKOUT PROCEDURE FOR SWITCHES on page 7 5 Make sure the microwave energy leakage is below the limit of the reguration5 mW cm2 when measured with a detector All service adjustments must be made for mini mum microw...

Страница 3: ...s completely repaired of any of the following conditions a Door is not closed firmly against the cavity front b The hinge is broken c The choke dielectric or the door seal is dam aged d The door is bent or warped or there is any other visible damage to the oven that may cause microwave energy leakage Note Always keep the seal clean e Make sure that there are no defective parts in the interlock mec...

Страница 4: ...d during operation S11 S104 S201 S101 S103 S301 S102 S12 S12 Timer Magnetron H VDiode H V Capacitor Detector Infrared sensor Shatter motor Door Sensing SW H V Transforemer Fuse Diode Thermistor RL 6 RL 4 RL 5 Lower Heater Upper Heater Main Relay Blower motor Noise filter AC 230 240V 50Hz Lamp Thermal limiter Monitor SW Door Interlock SW Main circuit side Geared motor RL 3 RL 8 Black White White Wh...

Страница 5: ...n each filament terminal of the magnetron and the chassis ground with an ohm meter on highest scale COMPONENT MAGNETRON HIGH VOLTAGE TRANSFORMER 1 Measure the resistance With an ohm meter on R x1 scale a Primary winding b Filament winding c Secondary winding 2 Measure the resistance with an ohm meter on highest scale a Primary winding to ground b Filament winding to ground CHECKOUT PROCEDURE RESUL...

Страница 6: ...d and infinite ohms in the reverse direction using ohm meter with a 9V battery NOTE Some digital meter may show more than 0 ohms or infinite ohms even in a forward direction because the low mea suring voltage of the meter does not allow the meter to pass through the high voltage diode Use an ohm meter with a 9V battery Abnormal reading Indicates continuity or infinite ohms in both directions Figur...

Страница 7: ...d you while pressing switch stopper 4 Make the necessary adjustment and perform a microwave energy leakage check according to 1 ADJUSTMENT PROCEDURE FOR SWITCHES on page 1 Check proper operation according to CHECKOUT PROCEDURE FOR SWITCHES on page 7 B REMOVING DOOR INTERLOCK SWITCH See Figure on page 1 1 Disconnect all lead wires from the door inter lock switch 2 Remove 2 screw secutring the lever...

Страница 8: ...s securing the control circuit board C REMOVING DOOR SENSING SWITCH See Figure on page 1 1 Disconnect all lead wires from the door sens ing switch and door interlock switch 2 Remove 2 screw securing the lever stopper 3 Pull out the door sensing switch toward you while pressing switch stopper together with door interlock switch 4 Make the necessary adjustments or replace ment of the switch by rever...

Страница 9: ...2 screws securing roller assembly to detatch the both of hinge NOTES After replacing the door be sure to check that the interlock switch the door sensing switch and the interlock monitor swich operate normally See pages 1 and 7 After replacing the door check for microwave ene rgy leakage with a leakage detector Microwave energy leakage must be below the limit of 5mW cm2 A Pull connector case Never...

Страница 10: ...appear in the display window 8 Push together with MORE LESS and POWER key for 1 second and more Buzzer will beep tone 9 Press the OVEN TEMP key once Buzzer will beep tone and the 0 s changes to a 0 D D will flasing 10 Press the MORE LESS key once Buzzer will beep tone Temperature of Ice with water will be corrected automatically while measure the ice with water After 3 seconds its corrcted water t...

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Страница 13: ...dy Parts Parts marked with this sign are supplied with high voltage exceeding 250V Parts marked with this sign have special Characterstics important for microwave leakage When replacing any of these parts use only Manufacturers specified parts ...

Страница 14: ...marked with this sign have special Characterstics important for microwave leakage When replacing any of these parts use only Manufacturers specified parts Parts marked with this sign are supplied with high voltage exceeding 250V ...

Страница 15: ...marked with this sign are supplied with high voltage exceeding 250V Parts marked with this sign have special Characterstics important for microwave leakage When replacing any of these parts use only Manufacturers specified parts ...

Страница 16: ...RO 1 23 617 129 1001 THERMOSTAT SGT 135ß ß ß ß ßC VERTICAL 1 24 617 229 7699 CORD COMP SG 1 25 617 227 7042 LEVER 1 26 617 187 2217 SPRING SUS304 WPB D0 7 2 27 617 227 7059 LEVER 1 28 617 227 7028 LEVER STOPPER 1 29 617 215 9133 MICRO SWITCH DOOR INTER V 15G 1C25 M OMRON 1 30 617 160 0421 MICRO SWITCH DOOR SENSING YAMATAKEV 5230D 142 1 31 617 193 3024 MICRO SWITCH MONITOR V 16G 3C25 M OMRON 1 32 6...

Страница 17: ...ROL PLATE 1 6 617 219 7296 ORNAMENT PLATE SUS430 2BC T0 3 1 7 617 219 7289 ORNAMENT PLATE SUS430 2BC T0 3 1 8 617 220 2372 KNOB BODY 1 9 617 219 7203 CONTROL BASE PC ABS S1500V 1 10 617 219 7258 SWITCH BUTTON PET ABS 1 11 617 220 2389 SWITCH BUTTON ABS 1 12 617 220 2396 FLAT CABLE UL20706 L170 20PBNCD 1 Parts marked with this sign have special Characterstics important for microwave leakage When re...

Страница 18: ...6838 DOOR ORNAMENT PLATE SUS430 T0 3 1 4 617 219 6756 DOOR COVER 1 5 617 227 6724 DOOR PANEL 1 6 617 227 6731 CHOKE DIELECTRIC FR PET 1 7 617 219 6763 DOOR HANDLE 1 9 617 102 7495 SPECIAL SCREW CAP TIGHT 2 10 617 222 0802 PACKING NITTO NO 686P 1 11 617 222 0819 PACKING NITTO NO 686P 1 12 617 229 0485 PACKING 1 13 617 230 6582 DOOR ORNAMENT PLATE 1 ...

Страница 19: ...o Service parts No Description Spec Q ty 4 617 219 6251 TURN TABLE BASE 1 5 617 219 6466 BAKING TRAY 1 6 617 219 7630 TURNTABLE 1 7 617 219 7647 COOKING RACK SWM B 1 8 617 227 7233 INST MANUAL ENGLISH 1 9 617 216 0092 GLOVE 1 ...

Страница 20: ... 23 9 OVERALL CIRCUIT DIAGRAM ...

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Страница 24: ... 27 Printed in JAPAN Nov 99 ...

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