Wiring Diagram - Sharp R-677W Service Manual

Microwave oven with top and bottom grill
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SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. PLUGGED IN OVEN.
3. NOTHING APPEARS ON DISPLAY.
NOISE
FILTER
Figure O-1(a) Oven Schematic-OFF Condition right after the oven is plugged in.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. "
. 0 " FLASHES ON DISPLAY.
NOISE
FILTER
Figure O-1(b) Oven Schematic-OFF Condition when the oven door is opened.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. DISPLAY DTOPS FLASHING.
NOISE
FILTER
Figure O-1(c) Oven Schematic-OFF Condition after the oven door is closed.
CIRCUIT DIAGRAMS
F2: FUSE F8A
RY1
RY4
RY3
RY2
RY5
CONTROL UNIT
RY6
SW2:
STOP SWITCH
SW1: PRIMARY LATCH SWITCH
F2: FUSE F8A
RY1
RY4
RY3
RY2
RY5
CONTRL OUNIT
RY6
SW2:
STOP SWITCH
SW1: PRIMARY LATCH SWITCH
F2: FUSE F8A
RY1
RY4
RY3
RY2
RY5
CONTROL UNIT
RY6
SW2:
STOP SWITCH
SW1: PRIMARY LATCH SWITCH
R-677 - 31
Note:
AC CORD CONNECTION
BRN :
BROWN
BLU :
BLUE
G-Y :
GREEN AND YELLOW STRIPE
/15 :
SECTIONAL AREA OF 1.5mm
"
" Indicates components with potential
above 250 V.
NC.
SW3:
NC.
MONITOR SWITCH
NC.
SW3:
NC.
MONITOR SWITCH
NC.
SW3:
NC.
MONITOR SWITCH
2
MIN.

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