Sharp R-25AM - Test Data at a Glance

33
R-25AM
Parts Symbol Value / Data
Fuse F1 F10A
Fuse F2 F10A
Weak point F3 A017
High voltage fuse F4, F5 0.75A 5kV
Temperature fuse (Upper Mag.) TF1 150˚C
Temperature fuse (Lower Mag.) TF2 150˚C
Temperature fuse(Exhaust) TF3 120˚C
Magnetron thermistor (Upper) TH1 Approx. 500kΩ - 1MΩ at the room temperature
Magnetron thermistor (Lower) TH2 Approx. 500kΩ - 1MΩ at the room temperature
Exhaust thermistor TH3 Approx. 500kΩ - 1MΩ at the room temperature
Oven lamp OL 250V 25W
High voltage capacitor C1 1.07µF AC 2300V
High voltage capacitor C2 1.07µF AC 2300V
High voltage transformer T1, T2 Filament winding < 1Ω
Secondary winding Approx. 75Ω
Primary winding Approx. 1.2Ω
Magnetron MG1 Filament winding < 1Ω
Filament winding - chassis ∞ Ω
Magnetron MG2 Filament winding < 1Ω
Filament winding - chassis ∞ Ω
WARNING: DISCONNECT THE PLUG WHEN MEASURING RESISTANCE.
TEST DATA AT A GLANCE