Advertisement
Table of Contents
PianoDisc HD/Prodigy Troubleshooting Guide
Table of Contents
1. System will not power up.
2. Driver board light are flashing.
When troubleshooting this system I try to do the easiest and obvious things first.
At the end of this guide there is instruction how to make a simple data test cable. This is a great
tool for checking for the 12 VDC power.
1. System will not power up.
1. Check to see if CPU light is on.
2. Check the power switch on plug strip.
3. Check power cord is plugged into wall socket.
4. Check voltage at the wall socket or if it is a switched plug socket.
5. Check the large and small power supplies for DC voltage
• The large power supply should have about 48 VDC. (See pic)
• The small power supply should have about 12 VDC. (See pic)
6. Check all plug connections.
Checking large power supply
Checking small power supply
Advertisement
Table of Contents
Related Manuals for PianoDisc HD
Summary of Contents for PianoDisc HD
-
Page 1: Table Of Contents
4. Six key solenoids do not play. 5. Pedal solenoid does not work. 6. Pedal solenoid is binding. 7. Cannot connect wirelessly to piano (HD-iQ system) 8. Prodigy troubleshooting • Cannot connect with Bluetooth • Music plays erratic and/or bad volume control •... -
Page 2: System Powers Up But Will Not Play. Driver Board Lights On And Not Flashing
2. Driver board lights are flashing This problem can be a bad data cable (RJ-45), poor plug connection or bad driver board. The process is to replace data cables one at a time until you find the bad cable. The problem also can be a bad driver board which can cause the two other boards to flash also. -
Page 3: Six Key Solenoids Do Not Play
4. Six key solenoids will not play 1. Check all 6 key solenoids for grounding and ohm resistance. The ohm resistance is 12 (+/ – 1 ohm), so the range is 11-13 ohms. Replace key solenoids if grounded or out of the ohm range. (see pictures below) 2. -
Page 4: Pedal Solenoid Is Binding
Removing plunger from solenoid Sand shaft with drill and sandpaper 7. Can not connect wirelessly to piano (HD-iQ system) 1. Check plug connections from Airport Express to iQ box. 2. Replace stereo mini cable from Airport Express to iQ box. -
Page 5: Prodigy Troubleshooting
Music plays erratic and/or bad volume control 1. Make sure to shut off “Bluetooth MIDI” when playing Bluetooth Audio only. • There are only two ways to shut off Bluetooth MIDI and this is in the PianoDisc Calibration app or the PianoDisc iQ app. -
Page 6: Piano Will Not Play, Only Symphony
Piano will not play, only symphony 1. Check the balance between piano and symphony in the iQ app. 2. Press the test button on the CPU to verify piano plays. • If the piano will not play then go to Trouble Shooting steps 1, 2 and 3. 3. -
Page 7: Digital Sound (Squeal) On Speakers
2. Touch the “Volume Limit” and set to “maximum”. Then set “Sound Check” to “off”. Non-PianoDisc apps Non PianoDisc apps also can be a problem if not disenabled such as Garage Band or any app that transmits MIDI could be a potential problem. - Page 8 Data test cable instructions This cable is easy to make, just follow the instructions below. Note: You will need the following tools and parts to make this cable. • Wire strippers/crimpers • A razor blade • 2- Butt splice terminals (red) •...
- Page 9 Strip insulation off wires fold in half Tin wires with soldier 4. Remove ¾” (19mm) insulation from each wire, twist wires and then fold over each wire in half to create a larger area. 5. Now, if you have a soldering iron, tin each wire. 6.
Need help?
Do you have a question about the HD and is the answer not in the manual?
Questions and answers