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1. CIRCUIT CHECK PROCEDURE
1) Low Voltage Transformer (DMR-101FS) Check.
The low voltage transformer is located on the P.C.B.
Measuring condition: Input voltage: 230V
Frequency: 50Hz
K
FUSE
L
M
2) Voltage Check
Key check point (MICOM PIN)
OV ----
PIN 35
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T=20.0ms (50Hz)
— SV "eT
—
PIN 31 or 32
MP
2.0VAC (DISPLAY FILAMENT VOLTAGE)
43
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