Daewoo KOR-804M - Page 44

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)
NO.[
CHECK
POINT
ees
|
PIN
21
or
30
—5VDC
|
PIN
16
—
24VDC
OV ----
PIN 35 | | | | | | T=20.0ms (50Hz)
— SV "eT —
PIN 31 or 32
_|
DP2
PIN
1
&
16
CHECK
METHOD
MP
2.0VAC (DISPLAY FILAMENT VOLTAGE)
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