Read Sharp R-2498G (serv.man3) Service Manual online
27
R-2498G
Figure O-2. Oven SChematic-ON Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. TIME KEY TIUCHED.
3. COOKING TIME PROGRAMMED.
4. START KEY TOUCHED
NOTE: " " INDICATES COMPONENTS WITH POTENTIALS ABOVE 250V.
C1 and C2: 1.07
µ
F/ AC 2100V
Figure O-1. Oven SChematic-OFF Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED
2.
0
APPEARS ON DISPLAY
F1 : FUSE 13A
NOISE FILTER
SW1:
1ST LATCH SWITCH
(PRIMARY INTERLOCK SWITCH)
1ST LATCH SWITCH
(PRIMARY INTERLOCK SWITCH)
SW4:
MONITOR
SWITCH
R1:
MONITOR
RESISTOR
TC3:
BLOWER MOTOR
THERMAL CUT OUT
115C
°
A7
A5
TC4:
OVEN THERMAL
CUT OUT 115C
°
F2:
FUSE
F6.3A
SW2: 2ND LATCH SWITCH
F4: FUSE M8A
A3
TC2: MAGNETRON
THERMAL CUT OUT
145C
THERMAL CUT OUT
145C
°
(LOWER)
OVEN LAMP
BLOWER MOTOR
A1
CONTROL
UNIT
UNIT
B1
SW3:
3RD LATCH SWITCH
3RD LATCH SWITCH
EXHAUST
THERMISTER
SW5: STOP SWITCH
TAB3
D3
TAB2
TAB1
TAB4
T1: HIGH VOLTAGE
TRANSFORMER
230V - 240V~50Hz
ASYMMETRIC
RECTIFIER
RECTIFIER
H. V. RECTIFIER
C1: H.V. CAPACITOR
MG1: MAGNETRON (UPPER)
(REAR)
F3:
FUSE M8A
FUSE M8A
OL
SM
STIRRER MOTOR
SM
BM
RY1
RY3
RY4
TC1:
MAGNETRON
THERMAL
CUT OUT
145C
MAGNETRON
THERMAL
CUT OUT
145C
°
(UPPER)
B2
B3
D1
H1
H3
INTAKE
THERMISTER
MAGNETRON
THERMISTER
ASYMMETRIC
RECTIFIER
RECTIFIER
H. V. RECTIFIER
C2: H.V. CAPACITOR
MG2: MAGNETRON (LOWER)
T2: HIGH VOLTAGE
TRANSFORMER
(FRONT)
(FRONT)
NOISE FILTER
SW1:
1ST LATCH SWITCH
(PRIMARY INTERLOCK SWITCH)
1ST LATCH SWITCH
(PRIMARY INTERLOCK SWITCH)
SW4:
MONITOR
SWITCH
R1:
MONITOR
RESISTOR
TC3:
BLOWER MOTOR
THERMAL CUT OUT
115C
°
A7
A5
TC4:
OVEN THERMAL
CUT OUT 115C
°
F2:
FUSE
F6.3A
SW2: 2ND LATCH SWITCH
A3
TC2: MAGNETRON
THERMAL CUT OUT
145C
THERMAL CUT OUT
145C
°
(LOWER)
OVEN LAMP
BLOWER MOTOR
A1
CONTROL
UNIT
UNIT
B1
SW3:
3RD LATCH SWITCH
3RD LATCH SWITCH
EXHAUST
THERMISTER
SW5: STOP SWITCH
TAB3
D3
TAB2
TAB1
TAB4
T1: HIGH VOLTAGE
TRANSFORMER
ASYMMETRIC
RECTIFIER
RECTIFIER
H. V. RECTIFIER
C1: H.V. CAPACITOR
MG1: MAGNETRON (UPPER)
(REAR)
OL
SM
STIRRER MOTOR
SM
BM
RY1
RY3
RY4
TC1:
MAGNETRON
THERMAL
CUT OUT
145C
MAGNETRON
THERMAL
CUT OUT
145C
°
(UPPER)
B2
B3
D1
H1
H3
INTAKE
THERMISTER
MAGNETRON
THERMISTER
ASYMMETRIC
RECTIFIER
RECTIFIER
H. V. RECTIFIER
C2: H.V. CAPACITOR
MG2: MAGNETRON (LOWER)
T2: HIGH VOLTAGE
TRANSFORMER
F1 : FUSE 13A
F4: FUSE M8A
F3:
FUSE M8A
FUSE M8A
230V - 240V~50Hz
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