HX3 Extension Board Installation: Unterschied zwischen den Versionen
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The extension board for HX3 mk3/mk4 mainboards adds two additional audio outputs, Leslie(R) control and preamplifier for 9- and 11-pin Leslies, headphone jack, USB interface for parameter control to your HX3 mainboard. It also adds a MIDI OUT in case HX3 mk3 board is jumpered for two MIDI inputs. | The extension board for HX3 mk3/mk4 mainboards adds two additional audio outputs, Leslie(R) control and preamplifier for 9- and 11-pin Leslies, headphone jack, USB interface for parameter control to your HX3 mainboard. It also adds a MIDI OUT in case HX3 mk3 board is jumpered for two MIDI inputs. | ||
The extension board connects to HX3 by 26-pin header PL33 and flat ribbon cable. Length of cable must not exceed 15 cm (6") as high-frequency digital signals are transmitted. For additional audio outputs, the extension board has a secondary A/D converter. Outputs may be configured by MenuPanel or ''HX3 Remote'' to any HX3 audio source, but we recommend using the two channels for plain audio and bass pedal signal as they are routed to the Leslie connector. | The extension board connects to HX3 by 26-pin header '''PL33''' and flat ribbon cable. Length of cable must not exceed 15 cm (6") as high-frequency digital signals are transmitted. For additional audio outputs, the extension board has a secondary A/D converter. Outputs may be configured by MenuPanel or ''HX3 Remote'' to any HX3 audio source, but we recommend using the two channels for plain audio and bass pedal signal as they are routed to the Leslie connector. | ||
HX3 extension board brings its own power supply for Leslie preamp (DC/DC converter). Normally, PL30 may be left open. If noise appears on Leslie audio, connect PL30 to common +5V supply of HX3 (green header). Trim pots on HX3 extension board may be adjusted to required Leslie output level. | HX3 extension board brings its own power supply for Leslie preamp (DC/DC converter). Normally, '''PL30''' may be left open. If noise appears on Leslie audio, connect '''PL30''' to common +5V supply of HX3 (green header). Trim pots on HX3 extension board may be adjusted to required Leslie output level (set to mid position as default). | ||
A 16-pin header '''PL32''' provides send/return of Leslie and headphone signals to insert potentiometers (and 10k to 47k audio taper pot will do) or effects like 3-band equalizer. If no pots or effects are inserted, pins 1-2, 3-4, 5-6 and 7-8 must be bridged by jumpers. The connector also provides symmetrical 12V power supply for audio preamp circuits ('''[https://github.com/keyboardpartner/HX3/tree/master/PLATINEN/Extension_mk3 see schematics PDFs]'''). | |||
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'''PL31''' carries complete 11-pin Leslie(R) control signals (power, slow/fast, audio signals organ and bass pedals). It connects to 11-pin Amphenol jack one-on-one, pins 12 to 14 of PL31 remain open. For connection of 9-pin Leslies, mind the different pinout. 6-pin Leslies (122/147) need an additional interface/relay circuit; please ask an experienced Hammond tech. | '''PL31''' carries complete 11-pin Leslie(R) control signals (power, slow/fast, audio signals organ and bass pedals). It connects to 11-pin Amphenol jack one-on-one, pins 12 to 14 of PL31 remain open. For connection of 9-pin Leslies, mind the different pinout. 6-pin Leslies (122/147) need an additional interface/relay circuit; please ask an experienced Hammond tech. | ||
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Version vom 4. August 2015, 10:27 Uhr
The extension board for HX3 mk3/mk4 mainboards adds two additional audio outputs, Leslie(R) control and preamplifier for 9- and 11-pin Leslies, headphone jack, USB interface for parameter control to your HX3 mainboard. It also adds a MIDI OUT in case HX3 mk3 board is jumpered for two MIDI inputs.
The extension board connects to HX3 by 26-pin header PL33 and flat ribbon cable. Length of cable must not exceed 15 cm (6") as high-frequency digital signals are transmitted. For additional audio outputs, the extension board has a secondary A/D converter. Outputs may be configured by MenuPanel or HX3 Remote to any HX3 audio source, but we recommend using the two channels for plain audio and bass pedal signal as they are routed to the Leslie connector.
HX3 extension board brings its own power supply for Leslie preamp (DC/DC converter). Normally, PL30 may be left open. If noise appears on Leslie audio, connect PL30 to common +5V supply of HX3 (green header). Trim pots on HX3 extension board may be adjusted to required Leslie output level (set to mid position as default).
A 16-pin header PL32 provides send/return of Leslie and headphone signals to insert potentiometers (and 10k to 47k audio taper pot will do) or effects like 3-band equalizer. If no pots or effects are inserted, pins 1-2, 3-4, 5-6 and 7-8 must be bridged by jumpers. The connector also provides symmetrical 12V power supply for audio preamp circuits (see schematics PDFs).
| PL32 | Connection to insert pots |
| Pin 1 | headphone signal left to pot |
| Pin 2 | headphone signal left from pot |
| Pin 3 | headphone signal right to pot |
| Pin 4 | headphone signal right from pot |
| Pin 5 | Lesie signal left to pot |
| Pin 6 | Lesie signal left from pot |
| Pin 7 | Lesie signal right to pot |
| Pin 8 | Lesie signal right from pot |
| Pin 9,10 | Audio Ground for pots/inserts |
| Pin 11,12 | +12V optional opamp supply |
| Pin 13,14 | +5V optional digital supply |
| Pin 15,16 | -12V optional opamp supply |
PL31 carries complete 11-pin Leslie(R) control signals (power, slow/fast, audio signals organ and bass pedals). It connects to 11-pin Amphenol jack one-on-one, pins 12 to 14 of PL31 remain open. For connection of 9-pin Leslies, mind the different pinout. 6-pin Leslies (122/147) need an additional interface/relay circuit; please ask an experienced Hammond tech.
| PL31 | Connection to 11 pin Leslie |
| Pin 1 | Rotary audio channel |
| Pin 2 | Stationary audio channel |
| Pin 4 | Audio ground |
| Pin 5 | Common ground for control signals |
| Pin 6 | Power ON |
| Pin 7 | Fast |
| Pin 9 | Slow |
| Pin 11 | Leslie +30V supply |
USB interfaces to HX3 controller for setup via HX3 Remote or HX3 Flash only. Connect a USB A/B cable to your PC and follow instructions on HX3 Remote or HX3 Flash page. USB jack is no USB MIDI interface!
MIDI OUT on extension board is always an output independant of PL10 jumper setting on HX3 mainboard.
