Clavia Nord C1 Service Manual Download | Manualshive

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SERVICE MANUAL

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Summary of Contents for Nord C1

Page 1: ...SERVICE MANUAL ...

Page 2: ...ual Nord C1 Combo Organ rev 1 0 Page 1 Table of contents Overview 3 Test program 4 Running the test program 4 Error Codes 6 Hardware 7 Hardware structure 7 Opening the synth 8 Hardware versions 10 Software 10 Spare Parts 11 ...

Page 3: ...ia products It may not be copied reposted modified served 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 C1 Combo Organ will be referred to as Nord C1 hImportant safety information Dangerous voltage levels are present within the unit Unit should be opened exclusively by quali...

Page 4: ...e In one version 2 x 61 note Keyboard version Internal memory The internal sound memory of Nord C1 consists of 126 program locations In addition there are two live buffer memories Fuse ratings Voltage 115 V 230 V Fuse 300 mA 125 mA Physical Dimensions Nord C1 W 950 mm 37 4 D 445 mm 11 3 H 163 mm 6 4 Weight 15Kg 33 lbs ...

Page 5: ...m may only be used by qualified service personnel and is not intended for end users In order to execute the different tests on a Nord C1 press and hold buttons Shift Prog at power up When test mode is entered a DRAM test is performed The DRAM test progress is indicated by the sub sub3 and fund drawbar LED s in the lower manual section on the front panel The LED s are divided into three groups wher...

Page 6: ...A yb Keyboard Press one key at a time Test counts number of keys pressed Upper and lower switch is indicated by the dots in the display b Pd Pedal Tests the function of the pedal inputs To fully test the Rotor control a half moon switch must be used Sustain Rotor Swell P pressed F fast C connected r released S slow C LE Leslie Only used in production d AU Audio Only used in production Live 1 Panel...

Page 7: ...rogram reserved 2 in flash 7 Boot error Invalid test program in PROM 8 Boot error Invalid flash data CAB header is corrupt 9 Boot error Internal error 10 Transfer error Checksum error 11 Transfer error Underrun error 12 Transfer error Overrun error 13 Transfer error Invalid memory type 14 Transfer error Invalid memory id 15 Transfer error Flash write failure 16 Transfer error Flash erase failure 1...

Page 8: ...trolled by a host processor U7 23180 with one DRAM circuits U4 23170 1M 16 bits Boot code for the host processor is stored in the BootPROM U32 23892 512k 8 bits OS is stored in a FLASH memory U33 23420 512k 8 bits Various other information e g user settings is stored in an EEPROM U17 24147 Audio D A conversion is performed by U21 23430 A D conversion of the control pedal takes place on the panel b...

Page 9: ... Disassembly Nord C1 1 Remove the 4 screws 40290 holding the panel to the wood gables 2 Remove the 6 screws 40018 3 Lift of the upper lid 40273 4 Disconnect the 26 pole ribbon cable 23830 to the mainboard Removing the Panelboard 1 Pull off the knobs 22900 2 Disconnect the 26 pole ribbon cable 23830 3 Remove the 12 screws 40262 holding the panelboard ...

Page 10: ...et 3 Disconnect the 10 pole ribbon cable 23880 Removing the Mainboard 1 Remove the 3 screws 40262 holding the mainboard to the lower lid 2 Remove the 7 nuts and washers holding the jacks 3 Remove the 6 screws 40010 holding the MIDI connectors 4 Disconnect the 26 pole ribbon cable 23830 to the panelboard 5 Disconnect the 10 pole ribbon cable 23880 to the powerboard 6 Disconnect the 10 pole rotary s...

Page 11: ...ll work on all officially released main board versions however old OS versions might NOT work on newer main boards Always use the latest OS version Software Uploading OS and sounds The operating system is stored in a FLASH circuit on the main board OS and sounds are uploaded via USB For more information on how to update the OS Visit www clavia se there you can find the latest Software packages Cur...

Page 12: ...40276 Angle bracket support NC1O 1 24 40298 Angle bracket NC1O short 1 25 40239 U channel 2 26 40299 U channel NC1O long 1 27 40280 Wood panel NC1O left 1 28 40281 Wood panel NC1O right 1 29 50288 Bumper Nord Stage 2 30 22093 Cable Rotary spkr complete 1 Panelboard Pos Part no Item qty 31 60112 Panelboard NC1O 1 32 20980 100uF 16V 6 3x6 0 Ellyt SMD 1 33 20960 10uF 35V 5 0x6 0 Ellyt SMD 5 34 20720 ...

Page 13: ... 1 88 23892 BootPROM NC1O Programmed 1 89 23190 USB circuit NMG2 NS 1 90 25820 Regulator step up 1 91 25351 Crystal oscillator 16 6666 MHz 1 92 23270 Crystal oscillator 56 620363 Mhz 1 93 23060 crystal 6 Mhz SMD 1 Mainboard Pos Part no Item qty 94 22610 Connector 1 4 Stereo switch 3 95 22600 Connector 1 4 Stereo 1 96 22590 Connector 1 4 Mono 3 97 22640 Connector din 5pol Midi 3 98 22690 USB connec...

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