Clavia Nord stage 2 Bedienungsanleitung

Service | Quick Guide v1.1 June 2011

This NS2 service guide shortly explains the most common issues

that might be of interest to authorized Nord Service Centers taking

care of the Nord range. The information found in this document is

not intended for end users and dealers. It may not be copied,

modified or distributed in any way.

Main features

The NS2 comes in three keyboard versions; SW73 (Semi Weighted, similar to NS/NSEX

Compact), HA76 (Hammer Action) and HA88.

The previous NS and NSEX models were rather similar, sharing the same panelboards

and power board for instance. The new NS2 is a powerful step ahead featuring the organ

section from the Nord C2, the piano section from NordPiano, a new synth section

featuring an Arpeggiator, MIDI master clock sync functionalities and improved support

for various CV pedal models such as Yamaha FC7, Roland EV-7, Roland EV-5, Korg EXP2

and Korg XVP10.

NS2 also come in two different revisions, REV A and REV B.

All units of the SW73 model is REV B.

Units made before May 2011 (HA76) and June 2011 (HA88) are REV A. The new features

in REV B enable the player to use the middle pedal of the Nord Triple Pedal for advanced

latch and sustain techniques when using multiple layers of sound. The added functionality

is located in the Organ, Piano and Synth sections, under the ‘Octave Shift’ buttons. Also,

the Arpeggiator has an added ‘Hold’ button. Some of these features are implemented in

the REV A version as well.

The same keybeds are used in NS2 as in the previous NS-series.

Identifying REV A and REV B

NS2 REV A is identified by the text “eighty eight” or

“seventy six” below the logo.

NS2 REV B units are identified by the text “Hammer

Action HA88/76” below the logo.

REV A

REV B

• Latch Pedal and Keyboard Gate added

• Arpeggiator Hold-button added

• Darker gray color scheme

REV A

PCB revision v0.8 printed on

the board.

“NS2 v0.84” printed on the

barcode sticker.

REV B

PCB revision v1.0 (or higher)

printed on the board.

“NS2 v1.04” (or higher)

printed on the barcode

sticker.

Main parts, electronics and mechanics:

Mainboard | Part#69195

Only REV B boards will be available as spare parts, as this is possible to replace broken REV A boards with.

Panel Board1 NS2 (REV A) | Part#69201

Panel Board1 NS2 (REV B) | Part#69218

Panel Board2 NS2 (REV A) | Part#69203

Panel Board2 NS2 (REV B) | Part#69219

Powerboard | Part#69093 (USA 110V)

Powerboard | Part#69094 (EUR 230V)

Powerboard | Part#69095 (JAPAN/BRASIL 110V)

Upper Lid NS2/SW73 (REV-B only) | Part#40393

Upper Lid NS2/HA76 (REV-A) | Part#40395

Upper Lid NS2/HA76 (REV-B) | Part#40455

Upper Lid NS2/HA88 (REV-A) | Part#40397

Upper Lid NS2/HA88 (REV-B) | Part#40457

Lower Lid NS2/SW73 | Part#40394

Lower Lid NS2/HA76 | Part#40396

Lower Lid NS2/HA88 | Part#40398

Keybed NS2/SW73 | Part#49266 (Calibrated)

Keybed NS2/HA76 | Part#49236 (Calibrated)

Keybed NS2/HA88 | Part#49171 (Calibrated)

Wood Panel NS2/SW73, Left | Part#40400

Wood Panel NS2/SW73, Right | Part#40401

Wood Panel NS2/76/88, Left | Part#40435

Wood Panel NS2/76/88, Right | Part#40436

Ribbon Cable, 26 pin – Panelboard1 | Part#22410

Ribbon Cable, 26 pin – Panelboard2 | Part#23810

Ribbon Cable, 10 pin – Powerboard | Part#23880

Ribbon Cables, 20 pin – Keyboard | Part#24144+24145

Clavia Service Kit | Part#13000

Two boxes filled with most common parts needed for the whole Nord range.

Connectors, push buttons, jacks, pitch sticks etc.

Clavia Service Contact Information

[email protected]

+46 8 442 73 63

Opening the NS2

The NS2 is opened by loosening four out of five screws on each wooden side panel.

Keeping the screw mounted in each rear down-left/right corner makes it easier to tilt the

upper lid when opening up the machine, please see the picture. After this, loosen the

seven screws on the rear side as well as the three screws under the lower lid.

!Mind the ribbon cable between the panelboard in the upper lid and the mainboard in the

lower lid, when opening the upper lid.

Compared to previous NS models, the keybed is mounted with the regular M4 screw

instead of nuts inside the bottom plate. The keybed is also a bit easier to remove from

the bottom plate compared to previous NS models due to a slightly larger space between

the keybed and the mainboard.

The Keybed

All keybeds used in the Nord range are from the Italian manufacturer, Fatar. Except for

single keys and complete keybeds, Clavia does not do any other spares related to the

keybed such as rubber/contact strips, pcb’s etc.

Each individual keybed is calibrated, key by key, in the Clavia factory and the IC holding

this information is attached to the keybed.

!When replacing spare keybeds it is crucial to work on a stable and flat surface when

mounting the keybed into the lower lid. Always start mounting the screws on the rear

side and then, on a flat surface, the screws inside the NS2.

REV A

REV B

The Mainboard

The NS2 mainboard is equipped with seven 1Gb flashes where the OS and all samples

are stored. The flashes are controlled by one of two DSP’s (U16+U18).

Pos. U27-30 store all piano samples, pos. U54-56 samples on the synth section.

The DSP (U13) takes care of the SRAMs (U14+U15) which handle the FX section.

Claims regarding “noisy reverbs” etc. might be caused by problems found in this area.

One hardware difference between REV A and REV B is the MUX logic, controlling the

improved support for various CV pedal models on the Control + Swell jacks.

Boot up problems

For incoming service cases claiming any kind of “boot up problem”, “error codes at start

up” or various problems on the panel board, it is always worth trying to go into TEST

MODE and perform individual tests on the main and panelboards, depending on each

individual case. See next page for details.

!Always try this first!

Even if the NP is reported to have boot up problems, try to boot up in test mode and then

erase all data stored on the flashes, followed by a complete install of latest OS version

and samples. Applications and updates can be found on the nordkeyboards.com site.

After erasing the flashes, always install the OS first, followed by restoring the NS2

Factory Backup file using the latest Nord Sound Manager version. These files can be

downloaded from our website. If the problem persists, or if the NP doesn’t manage to

reach the test mode at all, please contact Clavia for further assistance at

[email protected].

Test mode

Like all Nord products, the NS2 holds an internal test program that is mainly used in the

production line and as a guide for troubleshooting at service centers.

Test mode

Test mode (early revisions)

Confirm (for erasing Flashes)

Power off the NS2, press and hold

SHIFT + KB ZONES 2 before

powering the NS2 to reach the test

mode.

After the initial RAM tests the NS2

screen looks like the picture to the

left.

Each sub menu corresponds to each

button describied in the picture.

Navigating within the sub menues is

performed using the big data entry

wheel, or KB ZONES 2/3.

The individual tests are executed by pushing “RUN”/PROGRAM 1.

To erase flashes etc there’s a “confirm command” needed as well, see below.

* Pushing PROGRAM 4 is similar to “cancel” or “back to main menu” while running the

tests.

* Pressing and holding SHIFT while powering on the NS2 will display the hardware

revision in that particular unit.

* For early revisions (pre v0.62, TestProgram revision) the key combination to enter

testmode is SHIFT+MST CLK (see picture above).

MNB

1. Mainbd Mainboard test used in production, automatically runs DSP/Flash tests.

2. Final

3. EEPROMQ

4. EEPROMT

5. DSP DSP tests, including external memories.

6. FlSynQ Flashtest of the synth section, quick version.

7. FlSynT Flashtest of the synth section, long version.

8. FlPnoQ Flashtest of the piano section, quick version.

9. FlPnoT Flashtest of the piano section, long version.

10. DAC

11. Audio Various audio tests – WARNING – LOUD levels!

12. USB Quick test of the communication between the main CPU/USB IC.

13. MIDI Connect a midi cable between MINI IN/OUT before running this test.

14. ADC P

15. ADC F Pedals and Aftertouch tests.

16. PnoPdl (REV A: “P.Pedal”)

17. MuxCtl (Not available in REV A)

18. MuxSwl (Not available in REV A)

PNL

1. Panelbd Complete test of both panel boards, both boards need to be connected.

2. Panel1 Test of Panel board 1 (Left).

3. Panel2 Test of Panel board 2 (Right).

4. Btn&LED Buttons test of both panel boards, both boards need to be connected.

5. LCD Check all pixels in the LCD.

6. Enc&Dial Encoders test.

7. PSBaseV Pitch Base Value test, shall stay within value “52-74”.

8. PSCalRn Pitch Calibration Range, shall stay within value “36-48”.

9. Knobs ADCheck of all knobs, pitch stick bend range and mod wheel.

KBD

1. KbdCal (Keyboard calibration, only used in production)

SYS

1. Serial

2. Checksum

3. Er.E2P

4. ErP.OS

5. ErP.Pno

6. ErP.Pdl

7. ErP.All* Erase all data on flashes, piano section.

8. ErS.All* Erase all data on flashes, synth section.

9. TrP.OS

10. TrP.Pno

11. TrP.Pdl

12. TrP.All

13. TrS.All

14. Upd.Chk

* There’s no “Erase ALL” command erasing all flashes at once in the NS2.

Both SYS:7 and SYS:8 need to be executed individually.

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