Roland PowerStack ST-2 Service Notes page 5

Sep . 2 0 1 0
Im p o r ta n t N o tes o n A ssem b ly
Input-board Wiring
Oscillation noise is p rod u ced if the Inp u t-board w ires (brow n and black)
com e near the CODEC, as show n in the figu re.
fig.kumitate-1.eps
Insert this w iring betw een the INPUT jack and the sw itch.
fig.kumitate-2.eps
OK
fig.kumitate-3.eps
Not OK
Orientation of the VR Board
When installing the VR Board, be carefu l not to orient it incorrectly,
either vertically or laterally. Be su re to install it so that the circu it board
faces u p (the LED board sid e), as show n in the p hoto.
fig.kumitate-4.eps
Installing the Jacks
N ever install the INPUT jack and OUTPUT jack so that they are reversed .
Be su re to check the text on the circu it board and on the p anel, and install
the Inp u t Board at the INPUT jack and the Ou tp u t Board at the OUTPUT
jack.
ST-2
5