Korg_Pa500_Service_Manual电路图.pdf

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1、KORG Pa500 SERVICE MANUAL TABLE OF CONTENTS ASSEMBLY SKETCH (HOOKUP): 2-3 BLOCK DIAGRAM: 4 SCHEMATIC DIAGRAM: 5-12 TEST MODE: 13-26 PARTS LIST: 27-30 Issued:Nov.15, 2007 Ver1.0 RadioFans.CN 收音机爱 好者资料库 Pa500 ASSEMBLE DRAWUPPER DRAWPa500 ASSEMBLE DRAWUPPER DRAW Screw information Part CordPART NAMENOTE

2、 510700503509BT B 3BC 3 X 6for metal chassis to PCB 510700503563SCREW BT B 3BC 3X10for UPPER CASE 510700503574BT FEW 3BBC 3 X 16for KEY BORAD 510700503512SCREW BT B NIC 3 X 8for rear side UPPER CASE RadioFans.CN 收音机爱 好者资料库 Pa500 ASSEMBLE DRAWBOTTOM SIDE DRAWPa500 ASSEMBLE DRAWBOTTOM SIDE DRAW Part C

3、ordPART NAMENOTE 510700503613BT FEW 3BC 3 X 20for bottom board 510700503614BT B 3BBC 4X20for UPPER side & BOTTOM side NoPart CordPART NAMENOTE 510646508002X-5390 UPPER CASE E10252-1Standerd Pa500 -X-539A UPPER CASE E10252-2 -X-539B UPPER CASE E10252-3 -X-539C UPPER CASE E10252-4 -X-539D UPPER CASE E

4、10252-5 -X-539E UPPER CASE E10252-6 -X-539F UPPER CASE E10252-7 2 510646502086KEY ASSY 13(M)KOC-H30306-1 3 510646502085KEY ASSY 12(M)KOC-H30305-1 4 510500505001KEY GUIDE RUBBER QMGG055AA 5 510500505501KB FELT 1 KOC-F41281-1 6 510649500502PA50 JS ASSY 11PA050JS10 7 510500504503RUBBER BOTTON 13 KOC-E3

5、0438 8 510640508028X-5390 SH SPRING C41536 9 510646502122X-952 PWS KNOB (CH) E40726 10 510640508031X-5390 LOWER CHASSIS C30753 11 510640508030X-5390 UPPER CHASSIS C30752 12 510646502119X-5390 LCD HOOD E30475 13 510802500534X-5390 SP NET C30754 14 510646502049X-2100 SLIDER KNOBE40578-2 51064650850153

6、90 SQUARE SW NL DG E40720-1collor:Dark GRAY 5106465085025390 SQUARE SW NL LG E40720-2collor:Light GRAY 5106465085035390 SQUARE SW LED DG E40721-1collor:Dark GRAY 5106465085045390 SQUARE SW LED LG E40721-2collor:Light GRAY 5106465085055390 SQUARE SW LED RD E40721-3collor:RED 17 510646502123X-610 ENCO

7、DER KNOB(CH) E40727 -1GRAY 18 510646508001X-5390 BOTTOM CASE E20294 19 510646502120X-5390 BASS PORT assy L E30476-1 20 510646502121X-5390 BASS PORT assy R E30476-2 21 510645500005X-5390 BOTTOM BOARD L D30312 22 510645500006X-5390 BOTTOM BOARD R D30313 23 510802500533X-5390 FOOT RUBBER E40723 15 16 1

8、 RadioFans.CN 收音机爱 好者资料库 How to enter the TEST MODE Pressing the STYLE PLAY and the MEDIA, turn the power on, and continue to pressing until the service menu is displayed. Confirm that big noise is not heard when power on. After the service menu is displayed, press the PAD 2 to start the TEST MODE.

9、When the service menu is displayed, you can adjust the contrast of the LCD, by pressing the MENUE, and rotating the TEMPO/VALUE encoder. TEST MODE DISPLAY When the service menu is displayed, you can adjust the contrast of the LCD, by pressing the MENUE, and rotating the TEMPO/VALUE encoder. This cal

10、ibration is for the touch panel. At the left side top in the LCD the icon of arrow is displayed. TOUCH PANEL CALIBRATIONSTART of TEST MODE After you touch the arrow icon, the arrow mark moves top-left - bottom right -top-right - bottom-left. Touch each arrow. When you touch the bottom-left arrow, sa

11、ve is displayed in the LCD, then touch it. The data of calibration is saved and the display becomes START of TEST MODE. Confirm that SD card is not inserted, push the JUMP switch. Test menu is displayed. Arrow Icon Touch one item to check. itemCheck NandInternal: Check of NAND TGLInternal: Check of

12、TGL, PCM ROM Usb DeviceInternal: Check of USB MMC/SD CardInternal: Check of SD Card Midi LoopInternal: Check of MIDI Loop Touch PanelCheck of Touch Panel Panel ButtonsCheck of switches and LEDs SlidersCheck of A/D mute Audio OutputCheck of Maximum Output and frequency response Audio InputCheck of Li

13、ne input DistortionCheck of distortion NoiseCheck of noise level KeyboardCheck of keyboard SpeakersCheck of speakers When you start from an item before MIDI Loop, please connect MIDI IN and MIDI OUT by a MIDI cable. When you touch the icon of the internal check, Pa500 execute the internal check auto

14、matically. When some error is detected Pa500 displays the error item in the LCD. After following display is appeared, insert the SD card. When the SD card is inserted before the SD Card Check, it is NG. After following display is appeared, insert the SD card then Pa500 begins internal check. When al

15、l items of the internal check are OK, the check proceeds to the check of the touch panel automatically. The USB check is always NG, so touch the Next icon to skip the check. ：NAND CHECK ：TGL CHECK ：USB CHECK ：SD CARD CHECK ：MIDI CHECK Display of request of SD Card insertion Do not use the card which

16、 is used in the SD card Check for other purpose. After the internal check passed, the check proceeds to the check of the touch panel automatically. Touch the (see next page) points in the display and confirm following items. *The values of LCD X value, LCD Y value when you touch the 3 points is not

17、“0” or “256”. *The value of LCD X value becomes bigger by the order of -. * The value of LCD Y value becomes smaller by the order of -. *When you touch the LCD, the mark appears at the MOVE icon. *When you remove your finger from the LCD, the mark appears at the OFF icon. When you touch the LCD, the

18、 mark appears for a while at the ON icon, but soon it move to the MOVE icon. Confirm the MOVE and the OFF icons. After confirmed them, rotate the TEMPO/VALUE encoder to thetop-center position, then touch the Next icon. Display of the touch panel check Touch the Next icon to proceed to the check of s

19、witches, encoder, headphones. The display of next page appeared, confirm that the mark is not with the Headphone icon. Then insert the headphone plug to the headphone jack. Confirm that the mark is with the Headphone icon. Next, rotate the encoder for one around clockwise, confirm that the value of

20、Wheel: icon becomes “24(+). Then rotate the encoder for one around counter clockwise and confirm that the value of the Wheel: icon becomes “0(-). Next check is switches. All LEDs turned on, confirm that there is not the unevenness of brightness. The switch which is checked is displayed in the LCD. T

21、he order is in the following table. Confirm that the LED which is checked turned ON, and press the switch to proceed to the next. At the time confirm that the check proceeds to next, sound is heard, the color is right, normal click feeling. Before pressing the last TRANSPOSE switch set the VOLUME sl

22、ider to the maximum position. LCDSwitchLED 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ASSIGN SW1 ACCOMP. MEMORY MANUAL BASS EXIT MENU STYLE PLAY SONG PLAY SEQUENCER SOUND GLOBAL MEDIA 8/16BEAT POP BALLAD BALLROOM DANCE ROCK FUNK&SOUL JAZZ STYLE SELECT 1 ASSIGNABLE SWITCH ACCOMP. MEMORY MA

23、NUAL BASS EXIT MENU STYLE PLAY SONG PLAY SEQUENCER SOUND GLOBAL MEDIA Dark Gray8/16BEAT Dark Gray POP Dark Gray BALLAD Dark Gray BALLROOM Dark Gray DANCE Dark Gray ROCK Dark Gray FUNK&SOUL Dark Gray JAZZ Dark GraySTYLE SELECT All LEDs light ACCOMP. MEMORY MANUAL BASS All LEDs light All LEDs light ST

24、YLE PLAY SONG PLAY SEQUENCER SOUND All LEDs light All LEDs light 8/16BEAT POP BALLAD BALLROOM DANCE ROCK FUNK&SOUL JAZZ STYLE SELECT Upper Order Next switch to press Check Mark Encoder value Clockwise(+) Counter clockwise:(-) LCDSwitchLED 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 4

25、2 43 44 45 46 47 48 49 50 51 52 53 54 STYLE SELECT 2 RECORD TRACK SELECT STS 1 STS 2 STS 3 STS 4 HELP SHIFT SOUND SELECT 1 SOUND SELECT 2 PIANO E.PIANO ACCORDION ORGAN GUITAR STRINGS & VOC. TRUMPET BRASS PAD 1 PAD 2 PAD 3 PAD 4 STOP SINGLE TOUCH SEQ1: SELECT SEQ1: REW SEQ1: FFWD SEQ1: PAUSE SEQ1: PL

26、AY SEQ2: SELECT SEQ2: REW SEQ2: FFWD Dark GraySTYLE SELECT Dark GrayRECORD Dark GrayTRACK SELECT Dark Gray1 Dark Gray2 Dark Gray3 Dark Gray4 Dark GrayHELP Dark GraySHIFT D.G.PERFORMANCESELECT D.G.PERFORMANCESELECT Dark GrayPIANO Dark GrayE.PIANO Dark GrayACCORDION Dark GrayORGAN Dark GrayGUITAR D.G.

27、STRINGS & VOC. Dark GrayTRUMPET Dark GrayBRASS PAD 1 PAD 2 PAD 3 PAD 4 STOP SINGLE TOUCH SEQ1: SONG SELECT SEQ1: SEQ1: | SEQ2: SONG SELECT SEQ2: STYLE SELECT Lower All LEDs light All LEDs light All LEDs light All LEDs light All LEDs light All LEDs light All LEDs light All LEDs light PERFORMANCE SELE

28、CTUp PERFORMANCE SELECTLo PIANO E.PIANO ACCORDION ORGAN GUITAR STRINGS & VOC. TRUMPET BRASS All LEDs light All LEDs light All LEDs light All LEDs light All LEDs light SINGLE TOUCH All LEDs light All LEDs light All LEDs light 全点灯 SEQ1: | All LEDs light All LEDs light All LEDs light *Switches without

29、color description are all light gray switches. D.G. means dark gray. LCDSwitchLED 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 *85 86 SEQ2: PAUSE SEQ2: PLAY STYLE CHANGE PERFORMANCE SELECT SOUND SELECT UPPER OCTAVE - UPPER OCTAVE + INTRO 1 INTRO 2 COUNT I

30、N ENDING 1 ENDING 2 ENDING 3 VARIATION 1 VARIATION 2 VARIATION 3 VARIATION 4 FILL 1 FILL 2 BREAK START/STOP 1 START/STOP 2 SYNC START SYNC STOP TAP TEMPO TEMPO LOCK FADE IN/OUT SONGBOOK ENSEMBLE SPLIT TRANSPOSE b TRANSPOSE # SEQ2: | STYLE CHANGE PERFORMANCE SOUND UPPER OCTAVE - UPPER OCTAVE + INTRO

31、1 INTRO 2 INTRO 3/COUNT IN ENDING 1 ENDING 2 ENDING 3 VARIATION 1 VARIATION 2 VARIATION 3 VARIATION 4 FILL 1 FILL 2 FILL 3/BREAK REDSTART/STOP REDSTART/STOP SYNCHRO START SYNCHRO STOP TAP TEMPO RESET TEMPO LOCK FADE IN/OUT SONGBOOK ENSEMBLE SPLIT TRANSPOSE b TRANSPOSE # All LEDs light SEQ2: | STYLE

32、CHANGE PERFORMANCE SOUND All LEDs light All LEDs light INTRO 1 INTRO 2 INTRO 3/COUNT IN ENDING 1 ENDING 2 ENDING 3 VARIATION 1 VARIATION 2 VARIATION 3 VARIATION 4 FILL 1 FILL 2 FILL 3/BREAK START/STOP RED START/STOP GREEN SYNCHRO START SYNCHRO STOP All LEDs light TEMPO LOCK FADE IN/OUT All LEDs ligh

33、t ENSEMBLE SPLIT All LEDs light All LEDs light *Switches without color description are all light gray switches. D.G. means dark gray. *Before you push the TRANSPOSE # set the VOLUME slider at maximum position. Move the each slider, joystick, external pedal, the value of A/D corresponding to its movi

34、ng is displayed in the LCD. Confirm that the value of A/D changes smoothly, and the maximum and the minimum value is with in the reference value. Confirm that the center value of the joystick X(left-right), Y(up-down) by following two ways. *After confirmation of the maximum and the minimum value, m

35、ove the joystick to the center by your hand. *After confirmation of the maximum and the minimum value, remove your fingers from the joystick. Damper Pedal: KORG DS-1H Maximum position (step on the pedal) less than 1.8kOhm, Minimum position (return the pedal) 16.7-35.7KOhm Assignable pedal: KORG EXP-

36、2 Minimum resistance 100Ohm Connect the speakers to the OUTPUT and confirm that no sound is heard from L and R speakers and headphones. Slider 1: Top-left BALANCE Up-down direction Slider 2: Top-leftASSIGNABLE SLIDER Seq. Balance: CenterBALANCEleft-right direction Joystick X: left-right direction Jo

37、ystick Y: Up-down direction Damper: Damper Pedal DS-1H Ass.Pedal: Assignable Pedal EXP-2 Reference value andReference value andeach statuseach status ItemReference1 (big value)Reference2 (small value) Slider1:Max: more than 990Min:less than 30 Slider2:Max: more than 990Min:less than 30 Seq BalanceMa

38、x: more than 990Min:less than 30 JoystickX: left-rightRight end: more than 976Left end: less than 32 JoystickX: Center from l&rCenter: 400-564 JoystickY: top-bottomTop: more than900Bottom: less than 200 JoystickY: Center from t & bCenter: 472-640 Damper: DS-1HReturn the pedal:728-860Step on l:less t

39、han 223 Ass Pedal: EXP-2Volume Max: more than 928Volume Min: less than 86 L&r: left and rightt&b: top and bottom This check is measurement of maximum level and frequency response. Push the START/STOP to proceed the check. VOLUME slider: maximum, Equipment for maximum level : LPF 20kHz, PSOPHO:no ,MO

40、DE AC level Equipment for Freq-Res: LPF: 20KHz, PSOPHO:no ,MODE AC level, PreLPF：OFF(VP-7723B) Equipment for Freq-Res( Oscillator): +4dBm sine-wave 20Hz and 20KHz CheckChannelReference LevelNotice 1Maximum level 1KHzOUTPUTL/MONO1.5 - 5.5 dBm 2Maximum level 1KHzOUTPUTR1.5 - 5.5 dBm 3Freq-Res 20HzOUTP

41、UTL/MONO1.5 - 5.5 dBm Signal to INPUT L/MONO 4Freq-Res 20KHzOUTPUTL/MONO1.0 - 5.0 dBm Signal to INPUT L/MONO 5Freq-Res 20HzOUTPUTR1.5 - 5.5 dBm Signal to INPUT R 6Freq-Res 20KHzOUTPUTR1.0 - 5.0 dBm Signal to INPUT R 7Maximum level 1KHzOUTPUTL3.0 - 7.0 dBm33 OHM load 8Maximum level 1KHzOUTPUTR3.0 - 7

42、.0 dBm33 OHM load This is measurement output corresponding to input. Push START/STOP to proceed. VOLUME slider: Max, Equipment: LPF 20z, PSOPHO:no, MODE: AC LEVEL Oscillator: Sine-wave 1KHz, +4dBm Measurement and Reference level Measurementmust be done at the same time INPUT LEVEL and Crosstalk of s

43、ame number. ItemMeasuring ChannelReference levelNote 1 2 LINE INPUT LEVEL LINE INPUT LEVEL OUTPUT L/MONO OUTPUT R 1.5 - 5.5dBm 1.5 - 5.5dBm Signal to INPUT L/MONO Signal to INPUT R This is measurement of distortion. Push the START/STOP to proceed the check. VOLUME slider: max, Equipment: LPF 20KHz,

44、PSOPHO: no, MODE DSTN Oscillator: Sine-wave 1KHz, +4 dBm for OUTPUTL,R -6dBm for PHONES L,R For PHONES: 33OHM Load ItemMeasuring ChannelReference levelNote 1 2 3 4 DISTORTION DISTORTION DISTORTION DISTORTION OUTPUT L/MONO OUTPUT R PHONES L PHONES R Less than 0.0100% Less than 0.0100% Less than 0.150

45、0% Less than 0.1500% Signal to INPUT L/MONO Signal to INPUT R Signal to INPUT L/MONO Signal to INPUT R This is measurement of noise. Press the START/STOP to proceed the check. VOLUME slider: max, Equipment: LPF 20KHz, PSOPHO: AMODE AC LEVEL Oscillator: stop output ItemMeasuring ChannelReference leve

46、lNote 1 2 3 4 Noise Level Noise Level Noise Level Noise Level OUTPUT L/MONO OUTPUT R PHONES L PHONES R Less than -90.00dBm Less than -90.00dBm Less than -80.00dBm Less than -80.00dBm 33 OHM load 33 OHM load Play from the top key (C7) to the lowest key(C2) at middle strength (velocity 40-86). When al

47、l keys are OK, the check proceeds to the speaker check automatically. Connect some audio source like CD player to the INPUT. Confirm that the sound is heard from the speakers. Left-, Right- are displayed in the LCD, confirm that the sound is heard only from one side. In the 4,th item, above display

48、is appeared, then push the START/STOP. Pa500 restarts in the normal product mode. Last played key and its velocity Next key to play After the restart, display becomes like following. Set the VOLUME slider to the maximum position. Confirm that the consumption current is 580 640 mA. Check of the LCD c

49、ontrast, watch the screen from the 50degree points. See the chart of next page. Pressing the MENUE rotate the TEMPO/VALUE encoder to the clock wise and let brighter. At the time confirm that the display is brighter than the photo of the “limit of bright direction” . Next pressing the MENUE and rotate the TEMPO/VALUE encoder to the counter clockwise direction and let the screen dark. Then watch the LCD and confirm that the screen is darker than the photo of the “limit of dark direction”. Pressing the MENUE rotate the TEMPO/