If for any reason work is performed in the Final unit, install two additional parts to the Filter unit X51-1200-00. This will improve protection action.
- Remove top and bottom covers.
- Remove Final unit (6screws).
- Filter unit X51-1200-00 will be exposed. Install between Q3 Base, and TP1, series wired diode and resistor D14 and R34.
No adjustment are necessary
New part number D14 1S1555 V11-0076-05
Please notate your Service Manual