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5. CIRCUIT DIAGRAM

NOTE

: The parts marked with have special characteristics of safety,

if replace the marked parts, use only SANYO specified parts.

Figure 2

CONDITION OF OVEN

TIMER : OFF

DOOR : OPEN

PRIMARY INTERLOCK SWITCH :

LOWER DOOR INTERLOCK SWITCH

SECONDARY INTERLOCK SWITCH:

UPPER DOOR INTERLOCK SWITCH

WIRING COLOUR

BK : BLACK

BL : BLUE

: WHITE

: YELLOW

: RED

Содержание 437 373 72

Страница 1: ...ore turning on microwave power for any service 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...

Страница 2: ... Fuse with interlocks failed you must replace all Interlock Switches Primary and Secondary Interlock Switches and the Monitor Switch with new ones because the contacts of those Interlock Switches may be melted and welded together CAUTION For microwave energy emission On every service calls check for microwave energy emission must be made according to the following manner Measurement of energy emis...

Страница 3: ...h and at the same time there is about zero gap between the Door Latch and the switch body on the Door Sensing Switch when the Door Latch is securely locked 3 Tighten the Lever Stopper screws securely 4 Make sure the Interlock Monitor Switch closes after the Primary Interlock Switch opens when the door is opened very slowly according to CHECKOUT PROCEDURE FOR SWITCHES on page 6 5 Make sure the Inte...

Страница 4: ...eakage of microwave energy d The door can be properly closed and the safety switches work properly e The oven must be stopped when the door is opened or the time is up The oven must not be operated with any of the above components removed or bypassed 2 2 SPECIFICATIONS Rated Power Consumption 920W Microwave Output 600W Frequency 2 450MHz 50MHz Power Supply 120V 12V 60Hz Rated Current 8 Amp Safety ...

Страница 5: ... of safety if replace the marked parts use only SANYO specified parts Figure 2 CONDITION OF OVEN TIMER OFF DOOR OPEN PRIMARY INTERLOCK SWITCH LOWER DOOR INTERLOCK SWITCH SECONDARY INTERLOCK SWITCH UPPER DOOR INTERLOCK SWITCH WIRING COLOUR BK BLACK BL BLUE W WHITE Y YELLOW R RED ...

Страница 6: ...ary winding Approximately 167 5 Ohms 2 Measure the resistance Normal readings With an Ohm Meter on highest scale a Primary winding to ground Infinite Ohms b Filament winding to ground Infinite Ohms NOTE Remove varnish of measured point Filament Windings Primary Windings Secondary Windings 6 TEST PROCEDURES AND TROUBLESHOOTING Figure 3 Figure 4 Figure 5 Figure 6 Ohm Meter Ohm Meter Ohm Meter 4 HIGH...

Страница 7: ...Across two terminals Normal reading with an Ohm Meter on R x 10 000 scale Indicates about the middle position in one direction forward direction and infinite Ohms in the reverse direction using meter which is provided with a 9 volt battery HIGH VOLTAGE DIODE NOTE Some digital meter may show over even in a forward direction because low measuring voltage of meter does not allow the meter current to ...

Страница 8: ...Timer is set and close the door Cavity Lamp does not light but oven operates Cavity Lamp does not light and oven also does not operate Oven does not operate but Cavity Lamp lights Cavity Lamp Broken Lamp Replace Primary Interlock Switch See page 6 Fuse 15A Timer Switch Thermal Protector for Cavity Thermal Protector for Magnetron Secondary Interlock Switch See page 6 Power Control Switch H V Transf...

Страница 9: ...er is low when 600W is selected Magnetron See page 4 H V Capacitor See page 5 Power Control Switch Output Power is high level when low is selected Uneven heating Shorted Shorted Shorted Shorted No operation No continuity of coil Poor oscillation Poor function Contact on No operation Replace Replace Replace Replace Replace Replace Replace Timer Replace Timer Replace Timer Replace See page 9 7 CONDI...

Страница 10: ...check p r o p e r o p e r a t i o n o f i t a c c o r d i n g t o CHECKOUT PROCEDURE FOR SWITCHES on page 6 7 DISASSEMBLY INSTRUCTIONS OVEN MUST BE DISCONNECTED FROM ELECTRICAL OUTLET WHEN MAKING REPLACEMENTS REPAIRS ADJUSTMENTS AND CONTINUITY CHECKS BEFORE PROCEEDING WITH ANY REPAIR WORK AFTER DISCONNECTING WAIT AT LEAST 1 MINUTE UNTIL THE CAPACITOR IN THE HIGH VOLTAGE AREA HAS FULLY DISCHARGED W...

Страница 11: ... free from any damage or deformation 3 Adjust the position of the Magnetron properly so that it correctly sits in place and the Magnetron Gasket is in contact with the mounting rim evenly 4 While holding the Magnetron under this condition tighten mounting screws or nuts with your fingers temporarily 5 Further tighten the screws or nuts with a box wrench giving one or two turns to each of the screw...

Страница 12: ...gy leakage with a leakage detector Microwave energy leakage should be no greater than 4mW cm2 to allow for measurement uncertainty G DISASSEMBLING DOOR Figure 12 1 Insert a thin flat blade screwdriver between the Choke Dielectric and the Door Main Frame and lift up the Choke Dielectric to release hooks one by one Figure 12 2 Remove the Choke Dielectric 3 To detach the Door Cover insert a thin flat...

Страница 13: ... 411 160 6106 SCR S T TRS SRT 4 x 10 Z1 1 6 617 228 8918 Oven Cavity Not Service Part 1 7 617 124 1068 Gear Motor 1 8 411 010 5808 SCR EVR PAN 4 x 10 Z1 2 9 617 177 8656 Bottom Plate Not Service Part 1 10 617 221 6096 Plastic Foot with Canoe Clip 4 11 411 011 0802 Bolt Hex SW W 5 x 14 Z1 2 12 617 180 6137 Hinge Lower 1 Key Part No Description Q ty No 13 14 15 617 220 9401 Turn Table Shaft 1 16 617...

Страница 14: ...77 8694 Stay Cavity Magnetron 1 4 411 006 6604 SCR TPG PAN 3 x 6 Z1 1 5 617 125 9650 Thermostat Magnetron 122o C 1 6 415 003 0009 Magnetron 2M232J M 6 1 7 423 014 2509 Fuse 250V 15A 1 8 617 137 8269 Fuse Holder 1 9 617 179 2492 Lead Wire Ass y including Diode 1 10 617 177 8717 Blower Base 1 11 617 237 2556 H V Capacitor including Resistor 1 0 65uf 2 1KV 12 617 077 5830 Capacitor Band 1 13 411 011 ...

Страница 15: ... 245 1619 Door Cover F1010MWFC 1 1 617 186 0320 Door Cover F1010MBFC 1 2 617 178 5340 Door Panel 1 3 617 228 8710 Door Main Frame F1010MWFC 1 Also order Door Sheet when replacing Door Main Frame 3 617 202 8354 Door Main Frame F1010MBFC 1 Also order Door Sheet when replacing Door Main Frame DOOR PARTS ALL SERVICE ON MICROWAVE OVENS SHOULD BE PERFORMED BY A QUALIFIED TECHNICIAN USING APPROVED TESTIN...

Страница 16: ...ption Q ty No 4 411 160 6205 SCR TPG TRS SRT 4 x 10 Z1 1 5 617 245 0834 Timer Switch 1 6 617 080 9559 Spring Door Release Lever 1 7 617 245 0841 Door Release Lever F1010MWFC 1 7 617 189 1942 Door Release Lever F1010MBFC 1 Key Part No Description Q ty No 617 245 0940 Operating Inst English Spanish 1 617 245 0896 Carton Box Comp F1010MWFC 1 617 245 1572 Carton Box Comp F1010MBFC 1 617 245 0544 Name ...

Страница 17: ...board monitors software tv dvd and othes Manual users user manuals user guide manual owners manual instruction manual manual owner manual owner s manual guide manual operation operating manual user s manual operating instructions manual operators manual operator manual product documentation manual user maintenance brochure user reference pdf manual ...

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