msg-2570_repair

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FM-AM Standard Signal Generator MSG-2570 ( Meguro )

[Outline] [Trouble-shoots]
[Reset the control logic board] [Polish the contact of the keys] [Replace an operational amplifier]


Fig1. The rear panel.	Fig.2 Remove the rear panel.

Fig.3 Remove the cover of the logic board. Fig.4 The mcu (6809!) , ROM and the back up battery. At first , the voltage of the back up battery was under 2V.

Fig.5 Push the INITIAL SET key to reset the logic board.


Fig.3 Remove the cover of the logic board.	Fig.4 The mcu (6809!) , ROM and the back up battery. At first , the voltage of the back up battery was under 2V.