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No WRITING
23
Can WLT216B.EXE be
executed properly?
When you try to write the records
again,does it work properly?
Was the Power Calibration
executed properly?
When writing the records,does the
voltage at the PIN 20 (XWGATE)
of CN10 decrease from 5V to 0V?
N
Check the condition of the
power at CN10,
GND and the welded part.
If they are normal, replace IC101.
N
N
Y
Y
Y
Replace P/UP or the entire MECHA.
N
Summary of Contents for SW-248B
Page 5: ...4 Disassembly Diagram ...
Page 15: ...14 Block Diagram ...
Page 25: ...24 Circuit Diagram Main ...
Page 26: ...25 Circuit Diagram Front ...