Toshiba E-STUDIO4508A - 9.2.5 Procedures when replacing the LGC board

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REPLACEMENT OF PC BOARDS/HDD

9 - 23

9.2.5 Procedures when replacing the LGC board

Notes:

Before replacing the LGC board, perform the following procedure.

 P. 9-11 "9.2.1 Precautions when replacing PC boards"

The LGC board differs depending on the speed of the equipment.

Before replacing it, check that the speed (referring to the identification label, etc.) corresponds to

the label color (indicated by the arrow) on the LGC board as shown below.

If not, F901 or F901_1 occurs.

• Combination of the speed and the label color

20ppm: White

25ppm: Pink

30ppm: Blue

35ppm: Yellow

45ppm: Green

50ppm: Red

Fig. 9-30

Be sure to follow the procedure below when the LGC board is replaced.

(1) Perform [FS-08-4581] to copy the data in SRAM to EEPROM.

If you cannot start up with the 08 Setting Mode, begin from step (2).

(2) Turn the power OFF.

(3) Remove the LGC board.

 P. 9-5 "9.1.4 LGC board"

(4) Install the removed LGC board’s EEPROM into the new LGC board’s IC29.

(5) Attach a battery to the new LGC board.

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