04TV070
MBT-MR1, MBT-MRL1 BC
Subject IRIS
Caution When Replacing A Board
SYMPTOM
Whenever it is necessary to replace the A Board, make sure to proceed as explained below.
SOLUTION
1. Use the appropriate A Board as listed below.
Model Type Ref. Description Part number
MBT-MR1 PDP 65 A Board, Mount A-1300-860-A
MBT-MRL1 LCD 65 A Board, Mount A-1410-737-A
2. Transfer the former A Board's serial number to the new board. The item "SET SERIAL NUMBER" shown in the
"USER MENU" is stored in NVM IC5407 on side B of the A Board. The easiest way to transfer the serial
number is to unsolder IC5407 from the former A Board and solder it onto the new A Board.
