Sharp R-2277 Service Manual page 32

R-2277
R-2287
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED
2. APPEARS ON DISPLAY
SW2: 2ND LATCH SWITCH
SW1:
1ST LATCH SWITCH
(PRIMARY INTERLOCK SWITCH)
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. /100% BUTTON TOUCHED.
4. START BUTTON TOUCHED.
SW2: 2ND LATCH SWITCH
SW1:
1ST LATCH SWITCH
(PRIMARY INTERLOCK SWITCH)
NOTE: " " INDICATES COMPONENTS WITH POTENTIALS ABOVE 250V.
TC2: MAGNETRON
WP2:WEAK POINT A018
WP1:
WEAK POINT
A018
CONTROL
UNIT
SW3:
3RD LATCH SWITCH
Figure O-1. Oven SChematic-OFF Condition
TC2: MAGNETRON
WP2:WEAK POINT A018
WP1:
WEAK POINT
A018
CONTROL
UNIT
SW3:
3RD LATCH SWITCH
Figure O-2. Oven SChematic-ON Condition
30
THERMAL CUT OUT
145C°(LOWER)
TC1:
MAGNETRON
THERMAL
CUT OUT
145C°(UPPER)
THERMAL CUT OUT
145C°(LOWER)
TC1:
MAGNETRON
THERMAL
CUT OUT
145C°(UPPER)
C1: H.V. CAPACITOR
ASYMMETRIC
RECTIFIER
C2: H.V. CAPACITOR
ASYMMETRIC
RECTIFIER
C1: H.V. CAPACITOR
ASYMMETRIC
RECTIFIER
C2: H.V. CAPACITOR
ASYMMETRIC
RECTIFIER