Service Manual
Page 1
CHECK EXPRESS DEFROST MINUTE PLUS MODEL R-204EWA POWER LEVEL STOP CLEAR TIMER CLOCK In the interest of ...ADJUSTMENT PROCEDURE 22 PICTORIAL DIAGRAM ...28 CONTROL PANEL CIRCUIT ...29 PARTS LIST ...31 PACKING AND ACCESSORIES ...32 SHARP CORPORATION This document has been published to be used for after sales service only. QTY. The contents ...are subject to those specified should be used . R-204EWA SERVICE MANUAL S6115R204EPWA MICROWAVE OVEN ON DEF. WARNING TO SERVICE PERSONNEL: Microwave ovens contain circuitry capable of...
CHECK EXPRESS DEFROST MINUTE PLUS MODEL R-204EWA POWER LEVEL STOP CLEAR TIMER CLOCK In the interest of ...ADJUSTMENT PROCEDURE 22 PICTORIAL DIAGRAM ...28 CONTROL PANEL CIRCUIT ...29 PARTS LIST ...31 PACKING AND ACCESSORIES ...32 SHARP CORPORATION This document has been published to be used for after sales service only. QTY. The contents ...are subject to those specified should be used . R-204EWA SERVICE MANUAL S6115R204EPWA MICROWAVE OVEN ON DEF. WARNING TO SERVICE PERSONNEL: Microwave ovens contain circuitry capable of...
Service Manual
Page 18
... follows. Disconnect the power supply cord and then remove outer case. 2. The meter should be checked. If diode is good, control unit is installed. 14. R-204EWA PROCEDURE LETTER TEST PROCEDURES COMPONENT TEST G 6 G 5 G 4 G 3 G 2 G 1 G 7 BEVERAGE 6 G 8 FRESH VEGETABLES 3 G 9 ROLLS & TIMER MUFFINS CLOCK G10 9 2 DINNER MINUTE PLATE... pad once for 0.5lbs in weight. (3) The oven is in the center of the relay RY2 on the PWB, this model is connected to the primary of the power transformer. 5. RY1 and RY2 Relay Test These relays are operated by using insulation tape...
... follows. Disconnect the power supply cord and then remove outer case. 2. The meter should be checked. If diode is good, control unit is installed. 14. R-204EWA PROCEDURE LETTER TEST PROCEDURES COMPONENT TEST G 6 G 5 G 4 G 3 G 2 G 1 G 7 BEVERAGE 6 G 8 FRESH VEGETABLES 3 G 9 ROLLS & TIMER MUFFINS CLOCK G10 9 2 DINNER MINUTE PLATE... pad once for 0.5lbs in weight. (3) The oven is in the center of the relay RY2 on the PWB, this model is connected to the primary of the power transformer. 5. RY1 and RY2 Relay Test These relays are operated by using insulation tape...
Service Manual
Page 21
... signal. A pulse signal is supplied, at "H" level. Signal applied to touch-key section. Thereafter set by inserting the resistor oscillation circuit with the Model in the LSI. Connected to touch-key section. The power source voltage to P23, K00, K01 and K02 terminal while one of the LSI are...key matrix is input to reset the LSI to sound buzzer (2.0 kHz). AVSS voltage of power source circuit input. Terminal not used. 19 R-204EWA DESCRIPTION OF LSI The I /O IN IN IN IN OUT Description Auto clear terminal. Internal clock oscillation frequency control output.
... signal. A pulse signal is supplied, at "H" level. Signal applied to touch-key section. Thereafter set by inserting the resistor oscillation circuit with the Model in the LSI. Connected to touch-key section. The power source voltage to P23, K00, K01 and K02 terminal while one of the LSI are...key matrix is input to reset the LSI to sound buzzer (2.0 kHz). AVSS voltage of power source circuit input. Terminal not used. 19 R-204EWA DESCRIPTION OF LSI The I /O IN IN IN IN OUT Description Auto clear terminal. Internal clock oscillation frequency control output.
Service Manual
Page 23
R-204EWA SERVICING 1. When handling these leads remain isolated from the power line of the ... it open . 3) Discharge high voltage capacitor. 4) Disconnect the leads to that is removed, be separated. A. For those models, therefore, it is also possible to check the sensorrelated controls of the key unit to the control unit being sure that the...CAUTION: THE HIGH VOLTAGE TRANSFORMER OF THE MICROWAVE OVEN IS STILL LIVE DURING SERVICING AND PRESENTS A HAZARD . On some models, the power supply cord between the touch control panel and the oven proper is so long enough that is possible to...
R-204EWA SERVICING 1. When handling these leads remain isolated from the power line of the ... it open . 3) Discharge high voltage capacitor. 4) Disconnect the leads to that is removed, be separated. A. For those models, therefore, it is also possible to check the sensorrelated controls of the key unit to the control unit being sure that the...CAUTION: THE HIGH VOLTAGE TRANSFORMER OF THE MICROWAVE OVEN IS STILL LIVE DURING SERVICING AND PRESENTS A HAZARD . On some models, the power supply cord between the touch control panel and the oven proper is so long enough that is possible to...
Service Manual
Page 33
...Screw : 4mm x 8mm Screw : 3mm x 6mm Special screw Screw : 4mm x 12mm Screw : 4mm x 8mm Special screw Screw : 4mm x 8mm Screw : 4mm x 8mm R-204EWA Q'TY 1 1 1 1 1 1 CODE AQ AF AC AC AD AF 2 AA 2 AB 1 AB 1 AA 5 AA 1 AA 2 AA 12 AA 4 AA 2 ... parts requiring return should be returned as indicated in the Service Policy. MODEL NUMBER 2. NO. 3. NO. 6- 5 * 6- 6 6- 7 6- 8 6- 9 6-10 7- 1 7- 2 7- 3 7- 4 7- 5 7- 6 7- 7 7- 8 7- 9 7-10 7-11 7-12 PART NO. DESCRIPTION Order Parts from the authorized SHARP parts Distributor for your order filled promptly and correctly, please furnish the...
...Screw : 4mm x 8mm Screw : 3mm x 6mm Special screw Screw : 4mm x 12mm Screw : 4mm x 8mm Special screw Screw : 4mm x 8mm Screw : 4mm x 8mm R-204EWA Q'TY 1 1 1 1 1 1 CODE AQ AF AC AC AD AF 2 AA 2 AB 1 AB 1 AA 5 AA 1 AA 2 AA 12 AA 4 AA 2 ... parts requiring return should be returned as indicated in the Service Policy. MODEL NUMBER 2. NO. 3. NO. 6- 5 * 6- 6 6- 7 6- 8 6- 9 6-10 7- 1 7- 2 7- 3 7- 4 7- 5 7- 6 7- 7 7- 8 7- 9 7-10 7-11 7-12 PART NO. DESCRIPTION Order Parts from the authorized SHARP parts Distributor for your order filled promptly and correctly, please furnish the...