Kurzweil PC88 - Page 82

Chapter 4 Troubleshooting
Surface-Mount Devices
The PC88& contains surface-mount devices. The
removal and replacement of these devices should only be
executed by individuals with training and experience
along with the proper equipment. If you do not possess
the experience or the equipment necessary to undertake
this type of repair, contact the Kurzweil Service
Department at Young Chang for a board replacement.
International servicers should contact their appropriate
Young Chang/Kurzweil Distributor.
PC88 Resets
Hard Reset
You can perform a hard reset to the PC88 two ways.
1. Press the Global button to enter the Global menu
and step through the selections until you reach
Reset PC88? Select Enter. The display will ask
"Are you Sure?”. Press Enter and the PC88 will
return to Factory defaults.
2. Enter Diagnostics. Apply power to the PC88 while
simultaneously holding down the 1,2 and 3
buttons. As soon as power is applied, immediately
release the 1,2 and 3 buttons. Continuing to
depress the buttons may cause the unit to simply
sit there with a blank screen.
Press the <<< button located below the LCD. The
PC88 will return to Factory defaults.
Soft Reset
The Soft Reset will not clear the customer's setups; it is
equivalent to turning the power on and off. In the
numeric keypad, press +/-, @ and Clear buttons
simultaneously.
PC88 Service Manual
4-2