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Service Guide ML393/ML393CPlus
Chapter 4 Failure Analysis
Jumper SP2 Added to Main Control Board
NOTE:
This information is also provided in Technical Service Bulletin 3211.
The Slave ROM Q17 has been changed to a Masked CPU Q11.
All ICs are located on the main control board.
Jumper Plug SP3 should be open for the Microline 393-Plus.
Jumper Plug SP3 should be shorted for the Microline 393C-Plus.
Jumper SP2 has been added and is set on the A side for the masked ROM change.
NOTE:
The serial numbers for the production cut-in of the change are listed below.
Configuration
Serial Number
Microline 393 E/I (Black) 120 V
0011A0030666 and above
Microline 393 E/I (Black) 220 V Color
0011A0000275 and above
Microline 393 E/I (Color) 120 V Black
0011A0003052 and above
Microline 393 E/I (Color) 220 V Color
N/A
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