QRS Music Technologies PMII Installation Manual - page 28
Moun ng & Connec ng the Electronic Components
28
July 2013
Electronic Components ‐ Descrip on...
Driver Board Descrip on
There are five Key Note Driver Boards used in the Pianoma on System.
They are all iden cal and can be interchanged, if necessary.
1
ON/OFF Main Power Switch
The UNSW OUT socket is “hot” when switch is ON
2
FUSE: 7amp 250 volt
3
Processor ‐ Ribbon Power Cable to PMII
4
AC INPUT ‐ From home’s AC Outlet
5
SUST PEDAL ‐ To Sustain Pedal Solenoid
6
Moun ng Bracket
Can be also be mounted to the short side of the chassis
7
RAIL PWR ‐ DC Power Harness cable to Driver boards
8
UNSW OUT ‐ Un‐switched AC Out (To Wi‐Fi device)
9
FOR FUTURE USE
10 SW OUT ‐ To Speaker
“Hot” only when HI light is ON
11 LO/HIGH volt LEDs. Both LEDs must be out before con‐
nec ng or disconnec ng cables
Power Supply Descrip on
Do not connect or disconnect
any cables when lit
Connect Key Solenoids to
these sixteen 2‐pin connectors
High Voltage Light
Low Voltage Light
16 pin male connector / Connect Note Driver Ribbon cable 70128
From PMII Driver Port B
Four pin male connector / Connect Note Driver Power cable 811437
From Power Supply Rail Power
1 2 3
4
5 6
7 8
9 10 11