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Panasonic SXPX554 - ELECTRONIC PIANO, Service Manual

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Panasonic SXPX554 - ELECTRONIC PIANO Service Manual Download Page 77

CN9

CN7 

KF0

E

E

E
+5

KB0

KB1

KB2

KB3

KB4

Y0

Y1

Y2

E

E

E

+5

KB0

KB1

KB2

KB3

KB4

Y0

Y1

Y2

KS0

KF1

KS1

KF2

KS2

KF3

KS3

KF0

KS0

KF1

KS1

KF2

KS2

KF3

KS3

8

7

6

5

12

11

10

9

4

3

2

1

+5

CN8

CN4

8

7

6

5

4

3

2

1

8

7

6

5

4

3

2

1

UNLESS OTHERWISE SPECIFIED:
DIODES ARE MA165.

D65

SW33

SW34

SW35

SW36

D66

D67

D68

D69

D70

D71

D72

D73

SW37

C3

SW38

SW39

SW40

D74

D75

D76

D77

D78

D79

D80

D81

SW41

E4

SW42

SW43

SW44

D82

D83

D84

D85

D86

D87

D88

8

7

6

5

12

11

10

9

4

3

2

1

+5

MKB2 CIRCUIT

F

Summary of Contents for SXPX554 - ELECTRONIC PIANO

Page 1: ...Sweden Denmark Finland Spain Portugal Greece South Africa EZ Germany EG Switzerland Italy Austria Holland Belgium France EB the United Kingdom GN Australia New Zealand XS Malaysia Singapore XT Taiwan...

Page 2: ...SPLAY Supported DEMO Supported MIDI MILTI TIMBRE LOCAL CONTROL OMNI ON PROGRAM CHANGE PEDAL EFFECT TRANSPOSE MODE SET PIANO TUNING MINIMUM RANGE OTHERS POWER SWITCH MAIN VOLME MIDI TERMINALS IN OUT PE...

Page 3: ...side power transformer electric switch electrical cord noise prevention condenser etc wind the lead wire and secure it by soldering 5 Do not let the wiring come into contact with heat emitting devices...

Page 4: ...g the serviced equipment to the customer be sure to make the following insulation resistance test to prevent the customer from being exposed to a shock hazard 2 2 Insulation resistance test 1 Unplug t...

Page 5: ...th the 4 brass colored screws Loosen the pedal cord stowed on the inner side of the pedal box and extend it Figure 2 2 Place the stand uplight and mount the panel Place the stand upright and mount the...

Page 6: ...wer cord Connect the pedal cord and power cord to the terminals located on the rear of the piano unit as shown below Secure the pedal cord to the clamps as shown in the figure Figure 5 5 KEYBOARD RANG...

Page 7: ...gure 7 7 DISASSEMBLY INSTRUCTIONS 7 1 Removing the top cover 1 Remove the top cover mounting screws A 4 pcs as shown in Figure 8 2 Slide the top cover forward and lift up as shown by the arrows 7 2 Re...

Page 8: ...emoving the control panel Pull out the connectors on the control panel 1 Remove the keyboard cover see step Removing the keyboard cover 2 Remove the control panel mounting screws A 2 pcs and B 1 pc as...

Page 9: ...ng the keyboard assembly 2 While inserting a thin plate to press down a claw push the rear of the key forward to disengage the key claw from the chassis 3 Lift the key up to remove it Note The key cla...

Page 10: ...he key 4 Carefully insert the key into the opening in the chassis and slide the key towards the rear to lock it in place Figure 12 7 6 Disassembly of the pedal assembly 1 Remove the pedal assembly fro...

Page 11: ...ase the claws of the 5 P C B holders FJASP P C B 1 Remove the FJASP P C B mounting screws B 2 pcs and C 2 pcs 2 Release the claws of the 3 P C B holders COM P C B 1 Remove the COM P C B mounting screw...

Page 12: ...ee step Removing the control panel 2 Remove the CPR P C B mounting screws M 10 pcs L 3pcs J 1 pc and K 1 pc Figure 15 Figure 16 8 SELF DIAGNOSTIC FUNCTIONS This model has some self diagnostic capabili...

Page 13: ...e switch should 2 Press and hold the two D keys shown below and then turn on the power switch When the power switch is turned on the LED of the CHECKING DEVICE flashes 8 times The first 4 flashes are...

Page 14: ...14...

Page 15: ...self diagnostic mode the Wave ROM outputs a sine The Wave ROMs correspond to the keyboard keys as shown in the to the right When a key is pressed the corresponding sine wave produced If no sound is pr...

Page 16: ...ENSITIVITY LIGHT flashes If it is defective the LEDs LIGHT and NORMAL or LIGHT NORMAL and HEAVY flash 9 PRECAUTIONS BEFORE SERVICING 9 1 Precautions for measuring of the output waveforms 1 The wavefor...

Page 17: ...TOLERANCE unless otherwise designated in schematic diagrams Table 1 SYMBOL SPECIFICATION Fixed Carbon Film Resistors FLAME PROOF ERD F type Fixed Wire Wound Resistors FLAME PROOF ERF type Fixed Metal...

Page 18: ...ECK_type ECR_type Axial Lead Ceramic Capacitors ECB_type Metallized Polyester Film Capacitors for Across the Line ECQ_EW_type Aluminum Electrolytic Capacitors for Smoothing Circuit ECES_type Multilay...

Page 19: ...Check Point 3 8 Set to the Self diagnostic Mode followings While pressing two E keys simultaneously turn on the power switch SOUND CONCERT GRAND MAIN VOLUME Max Keyboard A1 Check Point 1 2 Set to the...

Page 20: ...Die lasereinheit darf nur gegen einc vom hersteller spezifizierte einheit ausgetauscht werden Capacity values are in microfarads uF unless specified otherwise P Pico farads pF F farads F Resistance va...

Page 21: ...G021A CORE 3 18 QMRG7086AA LID GUIDE 2 19 QYKG261AAZ CABINET ASS Y 1 19 QYKG261ABZ CABINET ASS Y 1 SX PX554M 20 QMFG1083AB FELT 1 21 SBLG7 2 STAY 1 22 QKQGN926AAZ MUSIC STAND 1 22 QKQGN926ABZ MUSIC ST...

Page 22: ...0138AB END COVER PANEL RIGHT 1 44 QMFG1104AA FELT 1 45 QMWG1041AA WHITE KEY FIRST OCTAVE A 1 46 QMWG1042AA WHITE KEY B KEY 8 47 QMWG1043AA WHITE KEY C KEY 7 48 QMWG1044AA WHITE KEY D KEY 7 49 QMWG1045...

Page 23: ...W 4 97 XTB3 10AFZ SCREW 3 98 XTB35 16A SCREW 10 99 XTN4 50AFZ SCREW 2 100 QHDG032AB SCREW WITH WASHER 4 101 QHDG016AB SCREW WITH WASHER 6 102 XTS3 12AFZ SCREW 6 103 XTS3 10AFZ SCREW 4 104 XTT5 20AFZ S...

Page 24: ...1 MAIN C9 ECCR1H104ZF1 0 1UF 1 FJASP C9 ECUV1H104ZFX 0 1UF 1 MAIN C10 ECEA1CKA100B 10UF 16V 1 FJASP C10 ECUV1H104ZFX 0 1UF 1 MAIN C10 QCBG1H104ZFA 0 1UF 1 CPL C11 ECA1CM331B 330UF 16V 1 FJASP C11 ECUV...

Page 25: ...C25 ECQB1H153JF3 0 015UF 1 FJASP 25...

Page 26: ...1 FJASP C39 ECUV1H104ZFX 0 1UF 1 MAIN C40 ECQG1H332KZT 0 0033UF 1 FJASP C40 ECUV1H104ZFX 0 1UF 1 MAIN C41 ECQG1H222KZT 0 0022UF 1 FJASP C41 ECUV1H104ZFX 0 1UF 1 MAIN C42 ECCR1H100D5 10PF 1 FJASP C42 E...

Page 27: ...C90 ECUV1H101JG 100PF 1 MAIN C91 ECA0JM102B 1000UF 6 3V 1 MAIN C92 ECUV1H102JX 0 001UF 1 MAIN C95 ECUV1H102JX 0 001UF 1 MAIN C98 ECEA1CKA100B 10UF 16V 1 MAIN C99 00 ECUV1H104ZFX 0 1UF 2 MAIN C101 ECE...

Page 28: ...D3 SVDGS3V20 15 RECTIFIER 1 FJASP D4 MA165 DIODE 1 MKB1 D4 SVDGS3V20 15 RECTIFIER 1 FJASP D5 MA165 DIODE 1 MKB1 D5 SVDGS3V20 15 RECTIFIER 1 FJASP D6 MA165 DIODE 1 MKB1 D6 SVDGS3V20 15 RECTIFIER 1 FJAS...

Page 29: ...1 MAIN D23 MA165 DIODE 1 MKB1 D23 MA165TA5 DIODE 1 FJASP D24 MA111TX DIODE 1 MAIN D24 MA165 DIODE 1 MKB1 D25 MA111TX DIODE 1 MAIN D25 MA165 DIODE 1 MKB1 D25 MA165TA5 DIODE 1 CPR D26 MA111TX DIODE 1 MA...

Page 30: ...D43 49 MA165 DIODE 7 MKB1 30...

Page 31: ...84 MA165 DIODE 2 MKB1 D84 MA165TA5 DIODE 1 CPL D85 89 MA165 DIODE 5 MKB2 D89 MA165TA5 DIODE 1 CPL D90 76 MA165 DIODE 87 MKB2 D232 42 LN282RPXVTX2 LED RED 11 CPR D244 46 LN282RPXVTX2 LED RED 3 CPR D256...

Page 32: ...IC2 HD74LS07P 3 TO 8 DECODER 1 CPL 32...

Page 33: ...IC12 QCPL 260L PHOTO COUPLER 1 FJASP IC12 QSIGX3C64002 64M BIT MASK ROM 1 MAIN IC14 TC7W08FTE12L DUAL 2 INPUT AND GATES 1 MAIN IC15 TC7W04FTE12L TRIPLE INVERTER 1 MAIN IC16 D97315GD201 TONE GENERATOR...

Page 34: ...1A MKB1 P C B 1 PCB8 SXPG226611B MKB2 P C B 1 PCB9 SXPG218221 PKB P C B 1 Q1 2SB709ARTX TRANSISTOR 1 MAIN Q1 2SC1815TPE2 TRANSISTOR 1 FJASP Q2 2SA830STPB TRANSISTOR 1 CPL Q2 2SB709ARTX TRANSISTOR 1 MA...

Page 35: ...Q15 2SA1725PY TRANSISTOR 1 FJASP 35...

Page 36: ...PE 1 FJASP R5 ERDS2TJ471T 470 1 CPL R5 ERJ6GEYJ102V 1K 1 MAIN R6 ERDS2TJ104T 100K 1 FJASP R6 ERDS2TJ221T 220 1 CPL R6 ERJ6GEYJ102V 1K 1 MAIN R7 ERDS2TJ221T 220 1 CPL R7 ERDS2TJ473T 47K 1 FJASP R7 ERJ6...

Page 37: ...TJ103T 10K 1 CPL R24 ERDS2TJ334T 330K 1 FJASP R24 ERJ6GEYJ105V 1M 1 MAIN R25 ERDS2TJ103T 10K 1 CPL R25 ERDS2TJ274T 270K 1 FJASP R25 ERJ6GEY0R00V 0 1 MAIN R26 ERDS2TJ101T 100 1 CPL R26 ERDS2TJ222T 2 2K...

Page 38: ...1 MAIN R46 ERDS2TJ184T 180K 1 FJASP R47 ERDS2TJ182T 1 8K 1 FJASP R47 ERJ6GEYJ102V 1K 1 MAIN R48 ERDS2TJ224T 220K 1 FJASP R48 ERJ6GEYJ103V 10K 1 MAIN R49 ERDS2TJ102T 1K 1 FJASP R49 ERJ6GEYJ103V 10K 1...

Page 39: ...R7T 4 7 1 4W FUSE TYPE 1 FJASP R81 ERF5TJ100 10 5W FLAME PROOF 1 FJASP R82 ERDS2TJ223T 22K 1 FJASP R83 ERDS2TJ564T 560K 1 FJASP R84 ERDS2TJ102T 1K 1 FJASP R85 ERDS2TJ272T 2 7K 1 FJASP R86 EROS2TKF1001...

Page 40: ...R106 07 ERJ6GEYJ104V 100K 2 MAIN 40...

Page 41: ...8 2 SW1 EVQ21507K PUSH SWITCH 1 CPR SW1 QSRGT005AA VOLTAGE SELECTOR 1 FJASP SW2 EVQ21507K PUSH SWITCH 1 CPR SW9 10 EVQ21507K PUSH SWITCH 2 CPR SW17 18 EVQ21507K PUSH SWITCH 2 CPR SW25 26 EVQ21507K PUS...

Page 42: ...BCZ CONNECTOR WITH WIRE 1 MKB2 X1 EFOMC4004T5 4MHZ CERAMIC OSCILLATOR 1 CPL X1 QSXG2F2400A 24MHZ CERAMIC OSCILLATOR 1 MAIN X2 QSXG2FR614DA 614MHZ CERAMIC OSCILLATOR 1 MAIN X3 QSXG2F0100DA 1MHZ CERAMIC...

Page 43: ...43...

Page 44: ...44...

Page 45: ...17 PACKAGING 45...

Page 46: ...Printed in Japan S000501540 HM AM 46...

Page 47: ...1 8 4 1 5 C107 C120 C121 C89 R63 R64 L7 L2 L1 L6 C87 D32 R202 L34 D19 R7 R5 C27 C3 R4 R30 R116 R27 R28 100 76 75 51 25 26 50 1 C20 C1 C88 R95 CN1 C91 R13 CN6 R12 1 7 R14 L4 1 12 Q8 Q7 Q9 Q3 Q2 14 15 2...

Page 48: ...1 B 3 Z13 D 3 L11 A 3 R107 A 3 C84 B 2 IC22 B 3 Z14 D 2 L12 A 3 R111 B 6 C87 B 4 IC26 A 3 Z15 D 2 L34 B 4 R112 B 6 C88 B 4 Q2 B 5 Z16 D 2 L46 B 6 R116 B 5 C89 A 4 Q3 B 5 Z17 D 2 L47 B 6 R201 E 3 C91 A...

Page 49: ...3 R48 C43 C44 L2 L7 R62 R61 R60 R3 R2 Q1 C47 C45 C46 R59 R58 C48 R8 R97 R96 R94 R93 R92 R98 C90 C2 R6 R26 C15 R29 R117 R118 C16 C17 C14 C13 R25 C10 C9 R15 R16 R17 R10 R11 C25 C24 C8 C6 C7 R20 R36 R22...

Page 50: ...2 R32 D 6 R103 E 3 C47 C 4 D11 D 6 L23 B 2 R35 E 6 R104 E 3 C48 D 4 D12 C 6 L24 B 2 R36 E 6 R113 E 3 C51 B 2 D13 C 6 L25 B 2 R39 C 7 R114 E 3 C54 D 3 D14 C 6 L26 B 2 R40 C 7 R117 D 6 C55 D 3 D15 E 2 L...

Page 51: ...2 2 24 4 4 4 4 J25 J27 J23 J28 J26 J36 J35 J29 J31 J104 J105 J109 J110 J101 F4 J102 J100 J99 J33 J107 J108 J111 J112 J114 J163 J164 C51 C49 C44 8 1 C45 C46 C50 C52 C47 Q13 Q14 JP4 J167 J165 CN8 1 6 5...

Page 52: ...C 2 R5 A 3 R56 C 2 C1 C 6 C57 D 4 Q11 B 4 R6 B 2 R57 C 2 C2 C 6 C58 D 4 Q12 B 5 R7 B 2 R58 B 2 C4 C 4 C59 D 4 Q13 B 6 R8 B 2 R59 B 2 C6 C 5 C60 D 1 Q14 B 6 R9 B 2 R60 B 2 C8 A 3 C65 D 3 Q15 A 3 R10 B...

Page 53: ...ORGAN PRESETS DIGITAL EFFECT DIGITAL REVERB E PIANO2 VIBES VOCAL ELECTRICAL PARTS LOCATION Ref No Lo No Ref No Lo No Ref No Lo No Ref No Lo No Ref No Lo No CPL P C B IC1 E 2 D81 D 4 CN1 B 3 R21 E 2 C3...

Page 54: ...MPO UP METRONOME VOLUME BEAT START STOP RECORD TRACK1 TRACK2 TRANSPOSE DOWN TRANSPOSE UP TOUCH ELECTRICAL PARTS LOCATION Ref No Lo No Ref No Lo No Ref No Lo No Ref No Lo No Ref No Lo No CPR P C B D1 A...

Page 55: ...19 B 3 D2 E 3 D30 C 3 D58 D 1 D86 A 1 SW20 A 3 D3 E 3 D31 C 3 D59 D 2 D87 A 2 SW21 A 3 D4 E 3 D32 C 3 D60 D 1 D88 A 1 SW22 A 3 D5 E 3 D33 B 3 D61 D 2 CN3 E 2 SW23 F 2 D6 E 3 D34 B 3 D62 D 1 CN8 A 1 SW...

Page 56: ...4 E 1 D172 B 1 SW64 A 3 D89 E 3 D117 B 3 D145 D 2 D173 B 2 SW65 A 3 D90 E 3 D118 B 3 D146 D 1 D174 B 1 SW66 A 3 D91 E 3 D119 B 3 D147 D 2 D175 A 2 SW67 F 2 D92 E 3 D120 B 3 D148 D 1 D176 A 1 SW68 E 2...

Page 57: ...USTAIN SOFT SW2 SOSUTENUTO CN1 5 C1 R9 R10 JR1 JR3 JR2 R8 SW1 J1 1 ELECTRICAL PARTS LOCATION Ref No Lo No Ref No Lo No Ref No Lo No Ref No Lo No PKB P C B CN1 D 1 R10 E 2 SW2 D 3 JR2 E 2 R8 B 3 C1 D 2...

Page 58: ...3 F F J2 J1 J3 J4 C1 C3 W1 L1 COMPUTER JP JP JP JP JP JP J4 J3 J2 J1 ELECTRICAL PARTS LOCATION Ref No Lo No Ref No Lo No Ref No Lo No COM P C B CN1 B 2 JK1 A 2 SW1 B 2 H ELECTRICAL PARTS LOCATION Ref...

Page 59: ...1 R10 470 R17 1 5K R16 1 5K R15 1 5K R18 10K L46 470 L47 470 L48 470 L49 470 R20 0 R21 0 A B B C A B C D Z11 10Kx4 D8 1 2 6 7 13 14 11 10 16 3 5 4 15 12 9 8 D9 D10 D11 C11 0 1 C3 0 1 C2 0 22 C1 5MI 5D...

Page 60: ...P26 A22 P25 A21 P24 A20 P23 A19 P22 A18 P21 A17 P20 A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 RD WR P52 HWR P53 BUSRQ P54 BUSAK P55 R W P60 CS0 VCC P61 CS1 P62 CS2 P63 CAS P64 RAS GND...

Page 61: ...E WE DE VCC GND 1 26 2 23 21 24 25 3 4 5 6 7 8 9 10 11 12 13 15 16 17 18 19 20 27 22 14 28 5B 5MI 5B R45 3 3K R44 10K 5B Z7 100x4 Z6 100x4 H G F E D C B A H G H I F E D C B A Z9 100x4 Z8 100x4 C27 0 1...

Page 62: ...AMAD0 GND RAMDT7 RAMDT0 RAMDT6 RAMDT1 RAMDT5 VDD XO XI GND GND VDD RAMDT2 RAMDT4 RAMDT3 SDIREV SDOREV SDICH0 SDOCH0 SDIDRY SDODRY TEMODE3 TEMODE2 GND DIVOUT SDOMIX LRCK BCK ROMDT11 ROMDT4 GND VDD ROMD...

Page 63: ...5 VDD XO XI GND GND VDD RAMDT2 RAMDT4 RAMDT3 SDIREV SDOREV SDICH0 SDOCH0 SDIDRY SDODRY TEMODE3 TEMODE2 GND DIVOUT SDOMIX LRCK BCK ROMDT11 ROMDT4 GND VDD ROMDT3 ROMDT12 ROMDT10 ROMDT5 ROMDT2 ROMDT13 RO...

Page 64: ...P O N M L K J I 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 VSS VSS VCC BYTE CE DE AD21 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 44 23 33 13 32 43 2 3 34 35 36 37 38 39 40 41 42 4 5 6 7 8 9 10...

Page 65: ...24 D25 D26 D27 D28 D29 470x4 4 7Kx4 Z38 4 7Kx4 Z35 Z36 R87 470x4 470x4 470 0 L16 0 L17 0 L18 0 L19 0 L20 0 L21 0 L22 0 L23 0 L24 0 L25 0 L26 0 L27 R204 0 L29 L30 L31 L33 0 C99 C101 C66 R102 R103 L9 L1...

Page 66: ...15 SUMR SUML FJASP CIRCUIT B HP CIRCUIT I 1 2 3 4 5 6 7 E A B C D E CN6 5DM R16 800MB R17 3 3K 130uHx3 130uHx3 130uHx3 L3 L4 L5 5D SOFT SOSU SUST MRXD MTXD JK8 LINE OUT R R L JK5 AUX L JK6 AUX R R L...

Page 67: ...1 KIA7815PI IC2 15 15 VCC VCC 1 3 4 5 6 7 8 2 15 15 15 15 15 R33 56K N C12 50N1 C20 0 047 R43 1 8K R44 270K N R34 R40 6 8K R41 1K C16 0 01 C17 0 47 C18 0 0015 R31 22K R32 22K C13 220P R30 3 3K VCC VCC...

Page 68: ...1 330 R92 330 R93 330 F5 C50 0 022 Q13 2SC1815TPE2 Q14 Q18 2SC4511PY R89 2 7K D22 D23 C40 0 0033 R64 2 7K C41 0 0022 R65 220K D13 EK04W C49 0 15 C44 0 15 R66 22K R95 4 7 VCC R90 100 15M VCC 15M R68 R6...

Page 69: ...3 MIDI OUT JK2 MIDI IN IC4 M5218AL HEADPHONE AMPLIFIER VCC VCC 1 3 4 5 6 7 8 2 15 HPR 15 R21 22 R19 270K R20 2 2K R18 330K C52 50V1 5 R96 10 C42 10P C73 0 1 R25 270K C43 10P Q7 2SD592ARSTA Q8 2SB621AR...

Page 70: ...01B53 2SA830STPB Q2 Q3 Q4 Q5 Q6 CN4 VR2 DATA SCK E 5M1 SW6 SW7 CM0 CM1 CM2 CM3 CM4 CM5 SEG0 A B C D E F G H I J K L A B C D E F A B C D E F SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG...

Page 71: ...S SW75 D75 STRINGS SW76 D76 SW84 D84 VOCAL SW81 D81 SW89 D89 D280 LN282RPXVTX2 ROOM D288 LN282RPXVTX2 VOCAL D257 LN282RPXVTX2 HARPSI D265 LN282RPXVTX2 POP GRAND D281 LN282RPXVTX2 STAGE D258 LN282RPXVT...

Page 72: ...2 1 CN3 CN2 CPR CIRCUIT D A B C D E F MELLOW SW1 D1 BRIGHT SW2 D2 TEMP UP SW10 D10 TEMP DOWN SW9 D9 D232 LN282RPXVTX2 MELLOW D240 LN282RPXVTX2 METRONOME D233 LN282RPXVTX2 BRIGHT D241 LN282RPXVTX2 VOL...

Page 73: ...OSE UP SW34 D34 METRONOME SW41 D41 VOLUME SW42 D42 TOUCH SW49 D49 D234 LN282RPXVTX2 START STOP D242 LN282RPXVTX2 BEAT D235 LN282RPXVTX2 RECORD D236 LN282RPXVTX2 TRACK1 D244 LN282RPXVTX2 LIGHT D237 LN2...

Page 74: ...C1 C2 C3 D1 D2 D3 D1CA D1CA E1 E2 E3 F1 F2 F3 G1 G2 G3 DP1 DP2 DP3 D2CA D3CA A G D DP F E B C T512SRDBS119 LED1 D239 LN282RPXVTX2 TRANSPOSE UP 25 1 6 10 27 23 17 28 22 12 5 9 14 19 18 21 16 24 20 15 4...

Page 75: ...3 CS1 C6 0 1 7 Y GND VCC 0 1 2 3 4 5 6 HD74LS138P 3 TO 8 DECODER IC1 5V C4 D1 SW1 C0 SW2 SW3 SW4 UNLESS OTHERWISE SPECIFIED DIODES ARE MA165 D2 6 3V47 C1 0 1 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Y D...

Page 76: ...7 D28 D29 D30 D31 D32 D33 SW17 SW18 SW19 SW20 D34 D35 D36 D37 D38 D39 D40 D41 SW21 SW22 SW23 SW24 D42 D43 D44 D45 D46 D47 D48 D49 SW25 C2 SW26 SW27 SW28 D50 D51 D52 D53 D54 D55 D56 D57 SW29 SW30 SW31...

Page 77: ...2 KS2 KF3 KS3 8 7 6 5 12 11 10 9 4 3 2 1 5 CN8 CN4 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 UNLESS OTHERWISE SPECIFIED DIODES ARE MA165 D65 SW33 SW34 SW35 SW36 D66 D67 D68 D69 D70 D71 D72 D73 SW37 C3 SW38 SW39...

Page 78: ...G4 G 4 SW46 SW47 SW48 D90 D91 D92 D93 D94 D95 D96 D97 SW49 A4 A 4 B4 C5 SW50 SW51 SW52 D98 D99 D100 D101 D102 D103 D104 D113 SW57 F5 F 5 G5 G 5 SW58 SW59 SW60 D114 D115 D116 D117 D118 D119 D120 D121...

Page 79: ...47 D148 D149 D150 D151 D152 D129 SW65 F 5 G5 F5 C 6 G 6 D 6 G 5 SW66 SW67 SW68 D130 D131 D132 D133 D134 D135 D136 D153 SW77 F6 G6 F 6 SW78 SW79 SW80 D154 D155 D156 D157 D158 D159 D160 A0 5 A1 A2 CS2 C...

Page 80: ...D161 SW81 A6 A 6 B6 C7 SW82 SW83 SW84 D162 D163 D164 D165 D166 D167 D168 D169 SW85 D7 C 7 D 7 E7 SW86 SW87 SW88 D170 D171 D172 D173 D174 D175 D176...

Page 81: ...WGE05 JP 5 1 7 8 2 3 4 5 MAC PC1 PC2 MIDI COMPUTER SW1 JK1 R9 4 7K R10 4 7K MAC CN1 PC1 PC2 MIDI MSEL TXD TXD E RXD RXD SW1 QSTGT001AA SW2 QSTGT001AA SW3 QSTGT001AA 1 2 3 4 5 PKB CIRCUIT G COM CIRCUIT...

Page 82: ...XGSS07010A QEXGSS12010A QEXGST160608 SPL 14cm 6 QEXGSS16022C QEXGHVH02055C QEXGSS05028 CN4 16 1 CN2 1 5 CN3 5 1 CN1 6 1 CN4 6 1 CN1 1 10 CN1 MAIN P C B A COM P C B H CPL P C B C MKB1 P C B E HP P C B...

Page 83: ...CN4 1 12 CN4 1 8 CN7 1 6 CN6 1 12 CN5 CN7 1 2 CN1 1 4 CN2 QEXGVH02040B QEXGVH03105B SW1 POWER SWITCH T1 POWER TRANSFORMER 16 1 CN3 1 2 CN8 MKB2 P C B F PKB P C B G CPR P C B D FJASP P C B B AC CORD A...

Page 84: ...sed organ sounds are produced On this piano the maximum number of notes which can sound simultaneously is 32 PX552 64 PX554 Lower range notes have priority over higher range notes A celeste effect can...

Page 85: ...nt setting values and also the SEQUENCER and METRONOME tempos During normal playing it is turned off The keyboard touch Touch Response can be changed to match your type of playing Choose from LIGHT NO...

Page 86: ...computer or when changing the switch setting The new switch setting will be effective when the power is turned on again When no computer is connected or when a MIDI interface is used the switch shoul...

Page 87: ...d generated from the keys and the sound generated from the returned data are both produced causing undesirable effects such as the sounds canceling each other out for example In this case either chang...

Page 88: ...7 PX552 0 17 PX554 Aux Local ON OFF All Notes OFF Messages Active Sense Reset Notes 01 06 38 07 10 Control 11 Change 64 66 67 91 93 98 99 100 101 modulation data entry volume part pan part expression...

Page 89: ...ECODER DECODER D0 D19 D8 D15 D0 D7 KDB0 KDB4 A1 A4 D0 D15 A1 A4 D0 D15 D0 D15 A0 A14 A1 A20 D0 D15 A0 A19 D0 D7 D0 D15 A0 A14 A0 A19 D0 D7 KF0 KF3 KS0 KS3 CRXD CTXD MAC PC1 PC2 MIDI A1 A18 A1 A15 A1 A...

Page 90: ...CONVERTER D A CONVERTER IC11 IC21 IC26A IC26B IC22 D0 D7 A0 A14 64M BIT MASK RAM 64M BIT MASK RAM IC12 D0 D15 A0 A19 Q2 6 LED1 Q6 Q7 8 5D REGULATOR 5A REGULATOR 3 3V REGULATOR Q9 SWITCHES LEDS SWITCHE...

Page 91: ...CN5 Q20 CN6 POWER TRANSFORMER D5 6 15V POWER INDICATOR HEADPHONE 1 2 VCC 15V REGULATOR IC12 PHOTO COUPLER SW1 POWER SWITCH AC CORD SP3 Lch 6 5cm 8 SP1 Lch 14cm 4 SP2 Rch 14cm 4 SP4 Rch 6 5cm 8 IC2 15...

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