Chapter 5
Troubleshooting
Introduction
Cables, Connectors
Flat Ribbon Cables
All flat ribbon cables with connectors are keyed, and therefore cannot be reversed. Most flat
ribbon cables have locking cable clips. Be sure to reapply the clips when connecting cables. Flat
ribbon cables that connect to picoflex connectors do not have locking cable clips.
Some flat ribbon cables have exposed wires that insert directly into a wire trap connector. When
disconnecting and connecting these cables, you must look for the marking on the edge of the
cable denoting Pin 1 and be sure that you match it correctly with Pin 1 on the board.
Cable Routing
In some cases, tape secures cable connections or fastens cables to the bottom enclosure. Always
peel back the tape from one side when disconnecting cables so that the tape remains properly
positioned.
Surface-Mount Devices
The removal and replacement of surface-mount devices requires training and the proper
equipment. If you do not have the training or equipment to remove or replace surface-mount
devices, contact the service department to order a board replacement. International service
technicians should contact their appropriate Young Chang Distributor.
Saving User Data
1. Set up a MIDI recording device.
2. Connect the a MIDI cable to the MIDI Out port of the PC2 to the MIDI In port on the
external device.
3. Press the Global button on the PC2. Press the Right cursor button until the LCD displays
Dump all Objects?
4. Begin recording on the MIDI recording device.
5. Press Enter on the PC2. The LCD shows the objects being saved. When all objects are
saved, Dump all Objects? will appear in the LCD.
6. To reload the saved objects, connect a MIDI cable from the MIDI Out port of the recording
device to the PC2’s MIDI In port.
7. From the external device, begin the playback of the file.
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