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Clavia DMI 

Service manual Nord Stage rev. 1.1 

Page 19 

 

Mainboard: 
 

Pos 

Part no.  Item 

qty 

 

69040  Mainboard NS 

 

 

20980  100uF/16V 6,3x6,0 Ellyt SMD 

 

 

20960  10uF/35V 5,0x6,0 Ellyt SMD 

 

 

20940  1uF/35V 4,0x5,5 Ellyt SMD 

 

 

20970  47uF/35V 6,3x6,0 Ellyt SMD 

 

 

23360  Diod S1GB-13 

 

 

20700  Diod Bav70 Sot23 

 

 

23110  EMI-Filter 2,2nF,+50/-20% 100V 

 

 

23100  EMI-Filter 470pF,+50/-20% 100V 

 

 

21960  Transistor BCX54 Sot89 NPN 

 

 

21970  Transistor BC847B Sot23  NPN 

 

 

21950  Transistor BCX53  Sot89  PNP 

 

 

21980  Transistor BC857B Sot23  PNP 

 

 

21520  Op amp LM833M 

 

 

21480  LF353D So 8 

 

 

24142  74LCX138 SOIC 

 

 

23891  BootPROM NS, programmed 

 

 

23730  Socket, otp 

 

 

25608  74LCX245 TSSOP 

 

 

23170  Dram 16Mbit 

 

 

23180  Host NMG2/NS 

 

 

23160  Sram NMG2/NS 4MB 

 

 

23280  DSP NMG2/NS 

 

 

21940  74HC374 TSSOP 

 

 

21810  74HC32 So14 

 

 

24147  EEprom NS 

 

 

24123  74HC4052 So16 

 

 

24000  Flash NS 

 

 

25604  74LCX14 TSSOP 

 

 

21930  74HC245 TSSOP 

 

 

23190  USB circuit NMG2/NS 

 

 

21570  PC 400TSo 

 

 

21540  Regulator 5,0 

 

 

23430  Dac N2X/NMG2/NS 

 

 

23340  Regulatorv1,8v yt 

 

 

23200  Resetcircuit NMG2/NS 

 

 

25608  74LCX245 TSSOP 

 

 

23270  Crystal oscillator 56,620363 Mhz 

 

 

23060  crystal 6 Mhz SMD 

 

 

25351  Crystal oscillator 16,6666 MHz 

 

 

 

Mainboard: 
 

Pos 

Part no.  Item 

qty 

 

22600  Connector 1/4" Stereo 

 

 

22590  Connector 1/4" Mono 

 

 

22690  USB connector Type B 

 

 

22640  Connector din 5pol Midi 

 

 

22610  Connector 1/4" Stereo/switch 

 

 

22680  Connector 20 pole, micromatch 

 

 

22520  Connector 26 pole 

 

 

23790  Connector 4 pole, after touch 

 

 

22480  Connector 10pol 

 

 

24149  Pin header 1x4pol vertic 

 

 

24153  Pin header 1x2pol vertic 

 

 

24152  Contact 6pol Picoflex, SMD 

 

 

Powerboard: 

 

Pos 

Part no.  Item 

qty 

 

69183  Power board NMG2 

 

 

20960  10uF/35V 5,0x6,0 Ellyt SMD 

 

 

23590  Diod ES3AD SMC 

 

 

23900  Diod SS34 Schottky 

 

 

23600  Effect drossel 

 

 

23610  Reg5,0 Yt 

 

 

23620  Reg3,3 Yt 

 

 

23630  Reg12 Yt 

 

 

23640  Regulator -12V Yt 

 

 

20910  Capacitor 4700pF X2 

 

 

23560  1000u/35V Nichicon 

 

 

23800  470u/50V 

 

 

22840  Fuse house nord/dd4/mod 

 

 

23120  Drossel RN112-0,8/02 

 

 

22620  Socket AC N3/NE 

 

 

22480  Connector 10pol 

 

 

22000  Powerswitch On/off 

 

 

22020  Button grey power on/off 

 

 

22630  AC-Switch 

 

 

22770  Trafo NMG2/NS 

 

 

40017  Screw, keyboardNL2/transformer 

 

 

40176  Plastic isolator 

 

 

23960  220uF/25V  Ellyt axiell 

 

 

40180  Spacer 2mm Nylon 

 

 

 

 

Summary of Contents for nord STAGE

Page 1: ...SERVICE MANUAL...

Page 2: ...1 Page 1 Table of contents Overview 3 Test program 4 Running the test program 4 Error Codes 6 Hardware 7 Hardware structure 7 Hardware configuration 8 Opening the synth 9 Replacing the keybed 88 76 1...

Page 3: ...from other web pages made into derivative works or distributed to other sources such as end users or retailers that do not repair Clavia products IIn this manual the Nord Stage 88 76 Compact will be r...

Page 4: ...emi weighted organ waterfall profile keyboard Internal memory The internal sound memory of Nord Stage consists of 21 banks holding 6 programs each for a total of 126 programs In addition there are two...

Page 5: ...hift Store Ctrlped at power up When test mode is entered a DRAM test is performed After the DRAM test has finished successfully the test program will start The DRAM test progress is indicated by the L...

Page 6: ...ys pressed 10 Pedal Tests all the pedal input jacks and the function of the sustain and rotor pedal Requires that each pedal is pushed two times 11 Verify Only used in Production 12 Flash test Perform...

Page 7: ...ws Err U18 SRAM check U18 and U11 err U19 SRAM check U19 and U12 err U20 SRAM check U20 U14 and U15 ERR SDOx Uxx Serial bus error LCD shows err SDOx U16 check U16 and U17 LCD shows err SDOx U17 check...

Page 8: ...24000 16M 16 bits Various other information e g user settings is stored in an EEPROM U24 24147 2k 8 bits Audio D A conversion is performed by U44 and U45 23430 A D conversion of the control pedal take...

Page 9: ...added ver 1 3 v1 3 xx Memory card connector integrated on main board ver 1 4 v1 4 xx USB communication LED is added Hw version is shown in the LCD when you turn on the unit ver 1 2 xx and newer i i i...

Page 10: ...n the panel you want to remove not the buttons Remove the ribbon cable from the connector on the panel board Unscrew the last two screws 40038 holding the top to the chassis Panel board 1 Loosen the 1...

Page 11: ...o and also the main board Version No that is printed on the barcode label Disassembly Remove the top as described in section opening the synth To be able to replace the keybed the main board has to be...

Page 12: ...x50290 3 After touch cable protector 22460 I I I IImportant note The small memory cards that are attached to the keybeds belongs to the keybed itself and may under any circumstances NEVER be switched...

Page 13: ...plane surface Make sure that the spacers are not interfering with any screws or rubber feets see pic 3 1 A warped assembly may cause velocity deviations pic 3 pic 3 1 1 Place the keybed in position 2...

Page 14: ...nnect the Keybed Pic 5 1 Mount the main board see section removing the main board 2 Connect the 4 pole after touch cable 24146 to P5 3 Connect the two keyboard cables to P1 24145 P2 24144 4 Connect th...

Page 15: ...to picture For information see section opening the synth 1 Place the upper lid including the wooden panels in position 2 Attach the 2 rear hinge screws 40038 3 connect the ribbon cables from the 2 pa...

Page 16: ...Main board up to V1 2 needs to be replaced Action Replace with main board V1 2 or higher AND a calibrated keybed with attached memory card Scenario 2 Keybed needs to be replaced Action An approved but...

Page 17: ...rent OS version is shown in the Stage display when you power on the unit I I I I Important Update Note Updating from OS v1 x to v2 16 will make it necessary to update all the piano samples to Piano Sa...

Page 18: ...M3 40057 Nut M4 40068 Pop rivet 3 2x8 23041 Pot mod wheel NS long 23880 Ribbon cable 10pol 140 22410 Ribbon cable 26 pol 23830 Ribbon cable 26pol 40070 Rubber foot 19mm 40262 Screw M4x6 40010 Screw mi...

Page 19: ...E 24020 Display LCD NS incl cable 40235 Plastic rivet 2 5x4 6 20780 LED Eight 22520 Connector 26 pole 24136 Contact 20pol LCD SMD 22710 Connector 3 pole 90 deg 20060 350ohm 0 1 5ppm MK2 22030 Button b...

Page 20: ...cuit NMG2 NS 25608 74LCX245 TSSOP 23270 Crystal oscillator 56 620363 Mhz 23060 crystal 6 Mhz SMD 25351 Crystal oscillator 16 6666 MHz Mainboard Pos Part no Item qty 22600 Connector 1 4 Stereo 22590 Co...

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