Read Sharp R-772M (serv.man2) Service Manual online
29
Note:
AC CORD CONNECTION
BRN :
AC CORD CONNECTION
BRN :
BROWN
BLU :
BLUE
G-Y :
GREEN AND YELLOW STRIPE
/15 :
SECTIONAL AREA OF 1.5mm
2
MIN.
"
"
Indicates components with potential
above 250 V.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. "ENERGY SAVED MODE" APPEARS ON DISPLAY.
1. DOOR CLOSED.
2. "ENERGY SAVED MODE" APPEARS ON DISPLAY.
Figure O-1(c) Oven Schematic-OFF Condition after the oven door is closed.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. " . O" APPEARS ON DISPLAY.
1. DOOR CLOSED.
2. " . O" APPEARS ON DISPLAY.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. PLUGGED IN OVEN.
3. NOTHING APPEARS ON DISPLAY.
1. DOOR CLOSED.
2. PLUGGED IN OVEN.
3. NOTHING APPEARS ON DISPLAY.
Figure O-1(a) Oven Schematic-OFF Condition right after the oven is plugged in.
Figure O-1(b) Oven Schematic-OFF Condition when the oven door is opened.
OL
TTM
OVEN LAMP
FAN MOTOR
TURNTABLE MOTOR
TOP GRILL HEATING ELEMENT
BOTTOM HEATING ELEMENT
H.V. RECTIFIER
MAGNETRON
HIGH VOLTAGE
TRANSFORMER
T/C TRANSFORMER
CAPACITOR
1.07
µ
F
AC2100V
CONTROL UNIT
A7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1
(SW3)STOP SWITCH
(SW1)MONITORED LATCH SWITCH
THERMISTOR
MG.
THERMAL
CUT-OUT
THERMAL
CUT-OUT
OVEN
THERMAL
CUT-OUT
THERMAL
CUT-OUT
(SW2)MONITOR
SWITCH
SWITCH
4700p/ 250V
4700p/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22
µ
/250V
FUSE 15A
FUSE F8A
NOISE
FILTER
FILTER
L
N
230 - 240V ~ 50Hz
BRN/15
BLU/15
G-Y/15
EARTH
LIVE
NEUTRAL
NC.
NC.
ASYMMETRIC
RECTIFIER
RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
OL
TTM
OVEN LAMP
FAN MOTOR
TURNTABLE MOTOR
TOP GRILL HEATING ELEMENT
BOTTOM HEATING ELEMENT
H.V. RECTIFIER
MAGNETRON
HIGH VOLTAGE
TRANSFORMER
T/C TRANSFORMER
CAPACITOR
1.07
µ
F
AC2100V
CONTROL UNIT
A7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1
(SW3)STOP SWITCH
(SW1)MONITORED LATCH SWITCH
THERMISTOR
MG.
THERMAL
CUT-OUT
THERMAL
CUT-OUT
OVEN
THERMAL
CUT-OUT
THERMAL
CUT-OUT
(SW2)MONITOR
SWITCH
SWITCH
4700p/ 250V
4700p/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22
µ
/250V
FUSE 15A
FUSE F8A
NOISE
FILTER
FILTER
L
N
230 - 240V ~ 50Hz
BRN/15
BLU/15
G-Y/15
EARTH
LIVE
NEUTRAL
NC.
NC.
ASYMMETRIC
RECTIFIER
RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
OL
TTM
OVEN LAMP
FAN MOTOR
TURNTABLE MOTOR
TOP GRILL HEATING ELEMENT
BOTTOM HEATING ELEMENT
H.V. RECTIFIER
MAGNETRON
HIGH VOLTAGE
TRANSFORMER
T/C TRANSFORMER
CAPACITOR
1.07
µ
F
AC2100V
CONTROL UNIT
A7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1
(SW3)STOP SWITCH
(SW1)MONITORED LATCH SWITCH
THERMISTOR
THERMAL
CUT-OUT
CUT-OUT
OVEN
THERMAL
CUT-OUT
THERMAL
CUT-OUT
(SW2)MONITOR
SWITCH
SWITCH
4700p/ 250V
4700p/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22
µ
/250V
FUSE 15A
FUSE F8A
NOISE
FILTER
FILTER
L
N
230/240V ~ 50Hz
BRN/15
BLU/15
G-Y/15
EARTH
LIVE
NEUTRAL
NC.
NC.
ASYMMETRIC
RECTIFIER
RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
SCHEMATIC
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