28
4. Replacement of the wave filter
①
After taking off the cover, slacken and remove
the screws fixing the wave filter PCB on the
base plate with a plus screwdriver.
②
After disconnecting a wire of the failed PCB,
connect it to the new one immediately with a electric iron.
Until all the wire are transplanted to the new one.
③
At last, tighten the screws.
5. Replacement of the pinboard
①
After taking off the cover, slacken and remove
the screws fixing pinboard on the
base plate with a plus screwdriver.
②
Pull out the teminals on the PCB, bear in mind
the connection of the teminals to avoid confusion.
You can connect one teminal to a new PCB just
when it’s disconneted from the failed one.
③
At late, don’t forget to tighten the screws.
Screws fixing the wave filter PCB
ST4.2*10 2PCS
In-out wires
Screws fixing the pinboard
ST4.2*10 2PCS
Terminals on the pinboard
Содержание EC-570
Страница 40: ...39 X Electrical wiring diagram ...
Страница 41: ...40 XI Schematic diagram of the main PCB ...