Read Sharp R-234 (serv.man4) Service Manual online
R-234 - 29
*INDICATES COMPONENTS WITH
POTENTIAL ABOVE 250V
POTENTIAL ABOVE 250V
Figure 0-1 Oven Schematic-OFF Condition, Door Closed.
Figure 0-2 Oven Schematic-ON Condition, Open Closed.
T: HIGH VOLTAGE
TRANSFORMER
WITH 150˚C THERMOSTAT
IN PRIMARY WINDING
WITH 150˚C THERMOSTAT
IN PRIMARY WINDING
MG: MAGNETRON
H.V. RECTIFIER
C:
H.V. CAPACITOR
0.91
H.V. CAPACITOR
0.91
µ
F/ AC2100V
TURNTABLE MOTOR
FAN MOTOR
OVEN LIGHT
D72
D3
D1
D71
D70
SW3: STOP
SWITCH
CONTROL UNIT
TC: OVEN THERMAL
CUT-OUT 125˚C
SW1: MONITORED
LATCH SWITCH
SW2: MONITOR
SWITCH
B2
B1
A5
A1
A3
OL
FM
TTM
N.O.
N.O.
N.C.
RY-1
COM.
N.O.
COM.
RY-2
EARTH
BLU
BRN
LIVE
NEUTRAL
G-Y
F1: FUSE
( F8A)
( F8A)
N
L
0.22
µ
/AC250V
680K/ 0.5W
10M/ 0.5W
NOISE SUPPRESSION COIL
0.0033
µ
/ 250V
0.0033
µ
/ 250V
NOISE FILTER
230V
˜
50Hz
T: HIGH VOLTAGE
TRANSFORMER
WITH 150˚C THERMOSTAT
IN PRIMARY WINDING
WITH 150˚C THERMOSTAT
IN PRIMARY WINDING
MG: MAGNETRON
H.V. RECTIFIER
C:
H.V. CAPACITOR
0.91
H.V. CAPACITOR
0.91
µ
F/ AC2100V
TURNTABLE MOTOR
FAN MOTOR
OVEN LIGHT
D72
D3
D1
D71
D70
SW3: STOP
SWITCH
CONTROL UNIT
TC: OVEN THERMAL
CUT-OUT 125˚C
SW1: MONITORED
LATCH SWITCH
SW2: MONITOR
SWITCH
B2
B1
A5
A1
A3
OL
FM
TTM
N.O.
N.O.
N.C.
RY-1
COM.
N.O.
COM.
RY-2
EARTH
BLU
BRN
LIVE
NEUTRAL
G-Y
F1: FUSE
(F8A)
(F8A)
N
L
0.22
µ
/AC250V
680K/ 0.5W
10M/ 0.5W
NOISE SUPPRESSION COIL
0.0033
µ
/ 250V
0.0033
µ
/ 250V
NOISE FILTER
230V
˜
50Hz
SCHEMATIC DIAGRAMS
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