Test Data At A Glance - Sharp R-4A52 Service Manual

R-4A52
R-4E52
TEST DATA AT A GLANCE
IP arts 1 Symbol 1 Value / Data
I---
F
Fuse
-
Monitor resistor RI
Temp. fuse (MG)
TF
Thermal cut-out (OVEN) TC
Oven lamp OL
High voltage capacitor
Magnetron
Power transformer
C
MG
T
M8A 250V
0.8zT 20W
150°C
145°C
25W El4 250V
1 .I 3pF AC 21 OOV
Filament < 1 n
Filament -
chassis 00 ohm.
Filament winding < 1 R
Secondary winding Approx. 78.9n
Primary winding Approx. 1.42231
TEST POINTS ON CONTROL UNIT
In/Out put terminal
Input (SUPPlY)
input (Stop switch)
Output (Oven lamp
Fan motor, Turntable motor)
Output (Power transformer)
Output (Earth)
Resistance
Test point Volt (Disconnect the power plug
and door is closed)
Al - A3 240V Approx. 9000
Bl- B2
OR
Al - A5 240V 98Q
Al - A7 240V 1 .7n
B2 - Chassis Oil
WARNING: DISCONNECT THE PLUG WHEN MEASURING RESISTANCE.
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