Read Sharp R-334 (serv.man4) Service Manual online
R-334 - 30
Figure O-2. Oven Schematic-ON Condition
SCHEMATIC DIAGRAMS
Figure O-1. Oven Schematic-OFF Condition
NOTE: * Components with
potentials above 250V.
potentials above 250V.
230V ~ 50HZ
N
ASYMMETRIC
*
RECTIFIER
CAP
A
CIT
OR
1.02
µ
F
2100V
A
C
*
PO
WER
TRANSFORMER
*
H.V
. RECTIFIER
*
FM
TTM
OL
EAR
TH
NOISE SUPPRESSION COIL
G-Y / 17
BLU / 17
BRN / 17
F1:
FUSE
F8A
L
O. 22
µ
F / 250V
NOISE
FILTER
UNIT
MAGNETRON
THERMAL
CUT-OUT
125
˚C
680K / 0.5W
0.0033
µ
F / 250V
0.0033
µ
F / 250V
10M / 0.5W
SW1:
MONIT'D
LATCH
SWITCH
RY1
A1
OVEN
LIGHT
TURNTABLE
MOTOR
SW2:
MONITOR
SWITCH
FAN MOTOR
MA
GNETR
ON
*
com
nc
no
NO
RY
2
A3
A5
O
VEN
THERMAL
CUT
-OUT
125
˚C
070
01
03
COM
072
no
B1
B2
071
no
SW3:
DOOR
SWITCH
230V ~ 50HZ
N
ASYMMETRIC
*
RECTIFIER
CAP
A
C
IT
OR
1.02
µ
F
2100V
A
C
*
PO
WER
TRANSFORMER
*
H.V
. RECTIFIER
*
FM
TTM
OL
EAR
TH
NOISE SUPPRESSION COIL
G-Y / 17
BLU / 17
BRN / 17
F1:
FUSE
F8A
L
O.22
µ
F / 250V
NOISE
FILTER
UNIT
MAGNETRON
THERMAL
CUT-OUT
125
˚C
680K / 0.5W
0.0033
µ
F / 250V
0.0033
µ
F/ 250V
10M / 0.5W
SW1:
MONIT'D
LATCH
SWITCH
RY1
A1
OVEN
LIGHT
TURNTABLE
MOTOR
SW2:
MONITOR
SWITCH
FAN MOTOR
MA
GNETR
ON
*
com
nc
no
NO
RY
2
A3
A5
O
VEN
THERMAL
CUT
-OUT
125
˚C
070
01
03
COM
072
no
B1
B2
071
no
SW3:
DOOR
SWITCH
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