Test Data At A Glance; Wiring Diagram - Sharp R-22AM Service Manual

Parts
Weak point
Fuse
Fuse
Fuse
Temperature fuse (Mag)
Temperature fuse (Mag.)
Temperature fuse(Blower motor)
Temperature fuse (Oven)
Magnetron thermistor
Oven thermistor (1)
Oven thermistor (2)
Monitor resistor
Oven lamp
High voltage capacitor
High voltage capacitor
High voltage transformer
(for R-22AM)
High voltage transformer
(for R-23AM/ 23AT)
Magnetron
Magnetron
WARNING: DISCONNECT THE PLUG WHEN MEASURING RESISTANCE.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. POWER SUPPLY CONNECTED AND/OR 1MINUTE
AFTER DOOR CLOSED OR COOK OFF.
2. : APPEAR ON DISPLAY.
NOISE FILTER
L
N

TEST DATA AT A GLANCE

Symbol Value / Data
F1 A017
F2 F6.3A 250V
F3 M8A
F4 M8A
TF1 150˚C
TF2 150˚C
TF3 120˚C
TF4 120˚C
Approx. 373kΩ at 15˚C, 292KΩ at 20˚C, 231KΩ at 25˚C
Approx. 373kΩ at 15˚C, 292KΩ at 20˚C, 231KΩ at 25˚C
Approx. 16kΩ at 15˚C, 13KΩ at 20˚C, 11KΩ at 25˚C
R1 4.3Ω 20W
OL 250V 25W
C1 0.94µF AC 2300V
C2 0.94µF AC 2300V
T1, T2 Filament winding < 1Ω
Secondary winding Approx. 75Ω
Primary winding Approx. 1.8Ω
T1, T2 Filament winding < 1Ω
Secondary winding Approx. 75Ω
Primary winding Approx. 1.2Ω
MG1 Filament winding < 1Ω
Filament winding - chassis ∞ Ω
MG2 Filament winding < 1Ω
Filament winding - chassis ∞ Ω
NOTE: Indicates components with potential above 250 V.
SW2: 2ND LATCH SWITCH
F4: FUSE M8A
BLK
F3: FUSE M8A
CONTROL
UNIT
WHT
SW1:
1ST LATCH SWITCH
(PRIMARY INTERLOCK SWITCH)
Figure O-1 Oven Schematic-OFF Condition
39
TF1: MAGNETRON (MG1)
TEMP. FUSE 150 °C
TF2:
MAGNETRON (MG2)
TEMP. FUSE 150°C
SW5:
STOP
SWITCH
SW3:
3RD LATCH SWITCH
R-22AM
R-23AM
R - 2 3 A T
C1: H.V. CAPACITOR
0.94 µF/ AC2300V
F5:
H.V.FUSE
0.6 A/ 5 kV (R-22AM)
0.75 A/ 5 kV R-23AT
R-23AM
C2: H.V. CAPACITOR
0.94 µF/ AC2300V
F6:
H.V.FUSE
0.6 A/ 5 kV (R-22AM)
0.75 A/ 5 kV R-23AT
R-23AM