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Kurzweil SP5-8, Руководство по обслуживанию, Страница: 10 / 76

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Introduction
Front Panel Features

1-2

Front Panel Features

Category

Buttons

Channel/Parameter

Buttons

Value Buttons

KB3

LED

LCD

Contrast

Display

Alpha

Wheel 

Mode & 

Function

Buttons

Zone &

Programmable 

Buttons

Control Sliders

Shift

Button

& LEDs

Shift, Sw, and Zone Buttons and Control Sliders

Master Volume slider—Adjusts the overall volume.
Setup Zone buttons—Pressing a Zone button will mute or unmute the zone. Zones are the 

independent regions of the keyboard that make up a Setup.
Sw button—Depending on the current mode (Program or Setup), the Sw button can be 

programmed to do a variety of functions.

Содержание SP5-8

Страница 1: ...of Young Chang Co Ltd Kurzweil Young Chang V A S T and SP5 8 are trademarks of Young Chang Co Ltd All other trademarks and copyrights are property of their respective companies Product features and s...

Страница 2: ...he outlet contact an electrician to replace your obsolete outlet Do not defeat the safety purpose of the plug 10 The power supply cord of the product should be unplugged from the outlet when left unus...

Страница 3: ...ssories specified by the manufacturer 12 Use only with a cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the car...

Страница 4: ...2020 Clarendon Street Suite 305 Woodland Hills CA 91367 Tel 800 431 2609 Fax 818 597 0411 Email Info AmericanMusicAndSound com Customers outside the US Young Chang Co LTD 9th Floor Bldg 102 I Park Jeo...

Страница 5: ...2 4 Voltage Regulators 2 4 Front Panel PCBs Function Summaries 2 5 Right and Left Front Panel PCBs 2 6 ScanPort interface to front panel LED indicators 2 6 ScanPort interface to front panel buttons 2...

Страница 6: ...ion 4 1 Notes Cautions Warnings 4 1 Cables Connectors 4 1 Required Tools and Materials 4 1 Top Enclosure 4 2 Opening the SP5 8 4 2 Removing the Endcaps 4 3 Removing the Top Enclosure 4 3 Replacing the...

Страница 7: ...cing the Keyboard Contact Strips 4 21 Chapter 5 Troubleshooting Maintenance Introduction 5 1 Surface Mount Devices 5 1 Cables Connectors 5 1 Boot Loader 5 2 Entering the Boot Loader 5 2 Resets 5 2 Sof...

Страница 8: ...Clock Delay Memory ScanPort CPLD 3 of 5 7 5 Engine PCB Sound ROM LCD INTF Audio Outputs USB I F 4 of 5 7 6 Engine PCB Power Circuitry Test Headers Reset 5 of 5 7 7 Front Panel Right PCB Button LED 1...

Страница 9: ...gs Please pay special attention to all Notes Cautions and Warnings symbols used throughout this manual A brief description of these symbols follows Note Provides additional information emphasizes spec...

Страница 10: ...Buttons Control Sliders Shift Button LEDs Shift Sw and Zone Buttons and Control Sliders Master Volume slider Adjusts the overall volume Setup Zone buttons Pressing a Zone button will mute or unmute t...

Страница 11: ...to edit parameters that affect the entire unit In Global Mode you can also restore factory defaults with a hard reset Save Depending on the current mode press the Save button to save changes to the cu...

Страница 12: ...ry potentiometer to adjust the LCD for the best viewing angle Alpha Wheel Turn the Alpha Wheel to increase or decrease a value by one or several increments Category Buttons and KB3 LED Category button...

Страница 13: ...etup Mode only MIDI Program Change Simultaneously press the Voices and Mallets category buttons to enter the MIDI Program Change Function page and send MIDI Program changes to any sound module connect...

Страница 14: ...In and Out ports to connect the SP5 8 to other MIDI devices to receive and send MIDI data SW Pedal Sustain Pedal Use these two 1 4 jacks to connect switch pedals that can be assigned to control susta...

Страница 15: ...ction Summary The SP5 8 s Engine PCB performs the following functions 1 CPU for the entire system 2 Synthesis and effects for all of the sounds 3 Sample ROM 4 D to A converter for the synthesizer 5 No...

Страница 16: ...The LCD will show Loading during this time 5 Bootup is now complete and the unit is ready to play Note Step 4 is aborted if the Shift button is held down during bootup The boot loader can then be used...

Страница 17: ...ip integrates the following synthesizer circuits 64 sample playback channels each with independent playback rate 64 amplitude envelope blocks 256 DSP processors each with independent envelope Effects...

Страница 18: ...AC adapter and converts it to 5V for digital circuits and 8V for the analog circuits These voltages enter the Engine PCB on J23 page 5 zone D2 Note that although the analog power signal names are 12V...

Страница 19: ...analog multiplexor 14 Audio Muting circuits The following function summary descriptions reference the SP5 8 Right Front Panel PCB Rev A schematic circuit drawings Chapter 7 pages 7 8 and 7 9 and the...

Страница 20: ...pressed button will send back a zero for its row position when its column select line is low Buttons that may be pressed simultaneously are never on the same row The 18 buttons on the Left Front Pane...

Страница 21: ...te that the Data cable must be constructed from special USB rated shielded cable for reliable operation in high speed mode LCD contrast voltage adjuster page 2 zone C5 VR1 is the front panel contrast...

Страница 22: ...s it to single ended left and right signals with typically 50dB of common mode rejection U19A and U19B phase inverts the single ended signal then present that plus the non inverted signal to the outpu...

Страница 23: ...Instruments imported into Europe beginning in 2013 must by law automatically shut down after a period of inactivity SP5 8 units exported to Europe implement this by means of a small Automatic Shutdow...

Страница 24: ...Printed Circuit Boards Automatic Shutdown ERP Control PCB 2 10...

Страница 25: ...to run the diagnostic tests The boot loader s other available menu options and their procedures can be found in Chapter 5 beginning on page 5 2 1 Press and hold the Shift button and apply power to th...

Страница 26: ...an individual test the display shows the results of the test the test name and for a passed test or for a failed test When a test fails additional lines of test results may scroll across the display...

Страница 27: ...or a problem on the Engine PCB Internal Flash This test verifies the manufacturer ID and the size of the NAND Flash installed The test then writes and reads back one or more blocks not occupied by th...

Страница 28: ...s test may indicate a problem with the Sound ROM U13 or its connections to MARA Audio Output Warning This test produces loud sine and sawtooth waves Before beginning this test turn the volume on your...

Страница 29: ...simultaneously press the Keypad and Enter buttons Scanner DIAG tests LEDs Simultaneously press the Previous and Next buttons to turn on all LEDs Press both buttons again to turn off all LEDs Front Pa...

Страница 30: ...essure Aftertouch press the key harder The display shows the test result on an additional line below the key test results With slight pressure applied you should see approximately As you add pressure...

Страница 31: ...s with mounted head cable wraps These cable wraps have flexible tabs and do not need to be cut just unwrap the flexible tab to release the bundled cables Unless otherwise noted you do not need to uns...

Страница 32: ...losure support walls 2 Remove the six enclosure support wall screws 3 Slide the unit back on your work surface Caution At this point of the procedure do not remove the endcap screws or the screws loca...

Страница 33: ...bracket into the endcap clamping bracket see Figure 4 4 When you remove the endcap locking bracket screw it should remain in the endcap If the bracket is still locked into the top enclosure pull it s...

Страница 34: ...these cables 4 Turn the top enclosure over and place it face down on your work surface endcap clamping bracket Figure 4 4 Bottom Enclosure Top Enclosure Keyboard Bass Right Front Panel PCB Keyboard Tr...

Страница 35: ...e underside of the top enclosure See 4 4 for the location of the endcap locking bracket 1 Slide one end of the unit off of your work surface and hold the appropriate endcap and endcap locking bracket...

Страница 36: ...Panel PCB J19 Char LCD flat ribbon LCD J7 ScanPort flat ribbon Right Front Panel PCB J23 Power Conn stranded wire Right Front Panel PCB Table 4 2 Engine PCB cables 2 Disconnect stranded wire and shie...

Страница 37: ...e a cable wrap When you remove the screws keep the cable wraps with them 8 Remove the Engine PCB Replacing the Engine PCB 1 Place the Engine PCB in position on the top enclosure and mounting plate 2 I...

Страница 38: ...ower Out shielded wire Engine PCB J10 USB stranded wire Engine PCB J19 Control Panel Bridge flat ribbon Left Front Panel PCB Table 4 3 Right Front Panel PCB cables Note If a flat ribbon cable has a co...

Страница 39: ...t the legs back into place Replacing the Right Front Panel PCB 1 Place the Right Front Panel PCB on the top enclosure 2 Hold the Right Front Panel PCB in position and tilt the top enclosure up to veri...

Страница 40: ...the LCD Replacing the LCD 1 Place the LCD in position on the LCD bezel 2 Install the four screws to secure the LCD to the bezel 3 If the service performed required removing the LCD completely connect...

Страница 41: ...ard and disconnect the cable If a flat ribbon cable uses a locking cable clip remove the clip and set it safely aside 6 Disconnect the flat ribbon cable from J25 7 Disconnect the stranded wire cables...

Страница 42: ...nt Panel PCB in position and tilt the top enclosure up to verify that the switch buttons and sliders are positioned correctly and can move freely Lower the top enclosure 3 Install the eight screws tha...

Страница 43: ...stranded wire cable connecting the Mod and Pitch wheels to the Left Front Panel PCB is bundled using tie wraps with the Aftertouch stranded wire cables Tape secures the cable bundle to the bottom enc...

Страница 44: ...re to remove the Wheels Assembly 2 The flat ribbon cables that connect the Keyboard Assembly to the Right Front Panel PCB were disconnected while removing the top enclosure Before proceeding verify th...

Страница 45: ...with your body 3 Slide the SP5 8 toward the middle of your work surface away from the front edge While continuously supporting the SP5 8 tilt the SP5 8 up and install the three screws securing the bac...

Страница 46: ...all pair of needle nose pliers between the key clips and the chassis pivot 4 Use the needle nose pliers to spread the clips outward The key pops up when it clears the pivot Caution Some keys pop up qu...

Страница 47: ...nstalled When you remove a key the key spring is free Leave the spring in its position on the keyboard chassis or set it safely aside Replacing Keys 1 Verify the placement of the key spring on the key...

Страница 48: ...the Lo side is one of the 11 screws described in Step 2 The second screw is on the Mid Contact PCB Remove the screw from the plate on the Mid Contact PCB and set the plate safely aside 4 Carefully lif...

Страница 49: ...so that the tape remains properly positioned 3 Remove the ten screws that secure the Mid Contact PCB to the keyboard chassis 4 There is a small flat plate connecting the Mid to the Lo Contact PCBs Tw...

Страница 50: ...ct PCB Replacing the Hi Contact PCB 1 Position the Hi Contact PCB over the keyboard chassis The flat flex cable connector and the keyboard diodes should be positioned closest to the back of the keyboa...

Страница 51: ...s 5 To remove a keyboard contact strip gently lift and free the strip from its position Be careful not to rip or damage any contact in the process Replacing the Keyboard Contact Strips 1 Position the...

Страница 52: ...4 22...

Страница 53: ...cured to the enclosure s with mounted head cable wraps These cable wraps have flexible tabs and do not need to be cut just unwrap the flexible tab to release the bundled cables Unless otherwise noted...

Страница 54: ...iagnostic tests refer to Chapter 3 Diagnostics System Reset Clears user memory and restores the unit to factory default settings File Utilities Use this to save and restore SP5 8 files or execute an S...

Страница 55: ...t This should appear on the desktop as an icon or window 6 Press the Param Chan Down button The display shows 7 Press the Next button The display shows Press the Next button again 8 The display shows...

Страница 56: ...laying a demo to rule out a keyboard problem Press the Demo buttons simultaneously press the User and All category buttons 2 Follow the instructions outlined in Chapter 3 Diagnostics and run the Scann...

Страница 57: ...path 7 Find and replace bad component s or order a PCB replacement LCD LEDs not lit buttons or controllers not working 1 Run the Scanner DIAG tests If the tests pass perform a hard reset 2 Refer to th...

Страница 58: ...t Front Panel PCB and J7 on the Engine PCB 5 Trace the signal path 6 Find and replace bad component s or order a PCB replacement Dead Note s or no velocity sensitivity One or More in a Section 1 Check...

Страница 59: ...Port J23 Power Conn Engine PCB J19 Char LCD J25 Control Panel Bridge Wheels J20 J1 Pressure White J2 Pressure Black J7 Audio from Engine Left Front Panel PCB LCD opening J1 ScanPort J19 Control Panel...

Страница 60: ...Troubleshooting Maintenance Interconnect Diagram 5 8...

Страница 61: ...8 LK40GH AFT N093LK10L6 LK Key Contact PCB LO N093LKW0M7 LK Key Contact PCB MID N093LKW0H8 LK Key Contact PCB HI Keyboard Assembly Part No Description N093LKW005 Key Contact Strip 12 positions N093LKW...

Страница 62: ...h button MNO PQRS Delete 1 SW22 SW32 SW33 SW34 629020335 Switch button 2 SW41 SW42 Left Front Panel PCB Part No Description Qty Reference Destination 207010017 Knob Slider Master Volume 1 For VR2 2070...

Страница 63: ...emory ScanPort CPLD 3 of 5 page 7 5 Engine PCB Sound ROM LCD INTF Audio Outputs USB I F 4 of 5 page 7 6 Engine PCB Power Circuitry Test Headers Reset 5 of 5 page 7 7 Front Panel Right PCB Button LED 1...

Страница 64: ...7 2...

Страница 65: ...D 29 VDD 43 VDDQ 3 VDDQ 9 VDDQ 35 VDDQ 41 VDDQ 49 VDDQ 55 VDDQ 75 VDDQ 81 VSS 44 VSS 58 VSS 72 VSS 86 VSSQ 6 VSSQ 12 VSSQ 32 VSSQ 38 VSSQ 46 VSSQ 52 VSSQ 78 VSSQ 84 CLK 68 CKE 67 CS 20 WE 17 RAS 19 DQ...

Страница 66: ...14 A_14 AF15 A_15 AE15 A_16 AF16 ROM_A_0 J26 ROM_A_1 J25 ROM_A_2 H26 ROM_A_3 H25 ROM_A_4 G26 ROM_A_5 G25 ROM_A_6 F26 ROM_A_7 F25 ROM_A_8 E26 ROM_A_9 E25 ROM_A_10 D26 ROM_A_11 D25 ROM_A_12 C26 ROM_A_13...

Страница 67: ...sent of Young Chang Co Ltd is prohibited By Title 021402 F V1 PC3LE ENGINE BOARD Young Chang R D Institute 1432 Main St Waltham MA 02451 Wednesday April 04 2012 USA Copyright 2010 Young Chang Co Ltd R...

Страница 68: ...7 A5 8 A6 9 A7 10 B0 21 B1 20 B2 19 B3 18 B4 17 B5 16 B6 15 B7 14 DIR 2 OE 22 GND 11 GND 12 VCCB 24 GND 13 VCCA 1 R49 1 0K R94 100 DNS R99 100 DNS R53 0 R98 100 DNS C140 0 1uF U15 AK4358VQ CCLK 19 CD...

Страница 69: ...J30 HEADER 2 DNS 1 2 C145 22uF R79 2 0K DNS TP2 HEADER_POST DNS 1 TP13 PTH 1 U28B 74HC14 3 4 R75 60 4 U27B 74VHC05 3 4 14 7 R81 1 0K J22 HEADER3 DNS 1 2 3 C159 0 1uF C161 0 1uF C157 22uf U23 LM1086 A...

Страница 70: ...2 D32 WINDS 1 2 D33 DRUMS 1 2 D65 PERCUSSION 1 2 D34 HYBRID 1 2 D66 MISC 1 2 D61 CANCEL 1 2 D67 ENTER C72 0 1uF L9 FBEAD_2 5T_SMT C71 0 1uF L8 FBEAD_2 5T_SMT C70 0 1uF L7 FBEAD_2 5T_SMT C73 0 1uF L10...

Страница 71: ...DGND J9 HEADER6 L6 CHOKE HASH 1 0MH 0 4R 1 VBUS 2 HOST_EN 3 HOST_FLG 4 GND J8 HEADER4 USB CONTROL 1 D 2 D 3 SHLD J10 HEADER3 R32 10K 2 D 1 VBUS 3 D 4 GND 5 S1 6 S2 J11 USB B 2 B 1 A 8 CLK 9 CLR 13 QH...

Страница 72: ...5 MMBT2907 1 3 2 Q16 MMBT2907 1 3 2 Q17 MMBT2907 1 3 2 Q18 MMBT2907 1 3 2 Q19 MMBT2907 PITCH MOD 1 LOW 4 NC 2 WIPER 3 HIGH 5 LOW 6 WIPER 7 HIGH J20 Wheels R102 30 1K R103 30 1K R101 10 0K R104 10 0K C...

Страница 73: ...33 0 1uf R41 10 0K1 00 C27 22PF R43 150 R61 4 53K R62 4 53K R70 4 53K R71 4 53K C41 270pF C42 1000pF R80 4 53K R81 4 53K R84 4 53K R85 4 53K C43 270pF R58 11 8K R59 1 00K C47 270pF C53 270pF R66 10 0K...

Страница 74: ...SP5 8 Service Manual 7 12 Automatic Shutdown ERP Control PCB NOTE This PCB is present only in units exported to Europe KURZWEIL ERP CONTROL BOARD...

Страница 75: ...re 4 13 Left Front Panel PCB 4 11 Right Front Panel Panel PCB 4 9 Diagram schematic Automatic Shutdown ERP Control PCB 7 12 Engine PCB 7 3 7 4 7 5 7 6 7 7 Left Front Panel PCB 7 10 7 11 Right Front Pa...

Страница 76: ...ne PCB 4 6 keyboard chassis 4 18 key clips 4 16 key spring 4 17 Power Problems troubleshooting 5 4 Printed Circuit Board Descriptions Automatic Shutdown ERP Control PCB 2 9 Engine 2 1 Left Front Panel...

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