Technics SX-PX554 Service Manual
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Technics SX-PX554 Service Manual

Technics SX-PX554 Service Manual

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www.freeservicemanuals.info
09/08/2012
www.nostatech.nl
ORDER NO. EMID0004007C0
A5
Digital Piano
SX-PX554 / SX-PX554M
(P) U.S.A.
(PC) Canada
(PY) Mexico
(EX) Norway, 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
(X) Thailand, Columbia, Panama, Philippines
(XA) Argentina
(XD) Hong, Kong
SPECIFICATIONS
SPECIFICATIONS
1
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  • Page 1 09/08/2012 www.nostatech.nl ORDER NO. EMID0004007C0 Digital Piano SX-PX554 / SX-PX554M (P) U.S.A. (PC) Canada (PY) Mexico (EX) Norway, Sweden, Denmark, Finland, Spain, Portugal, Greece, South Africa (EZ) Germany (EG) Switzerland, Italy, Austria, Holland, Belgium, France (EB) the United Kingdom...

  • Page 2: Table Of Contents

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl svcdoc Digital Piano 1 SPECIFICATIONS 1 1. WARNING 3 2. SAFETY PRECAUTION 3 2.1. Safety precaution 3 2.2. Insulation resistance test 4 3. OWNERS MANUAL 4 4. HOW TO ASSEMBLE THE PIANO 4 5. KEYBOARD RANGES 6 6.
  • Page 3 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl 88 KEYS KEYBOARD 64 NOTES MAX. POLYPHONY 18 SOUNDS: CONCERT SOUND GRAND, POP GRAND, UPRIGHT, E PIANO 1, E PIANO 2, HARPSI, VIBES, STRINGS, VOCAL, ORGAN PRESETS SOFT, SOSTENUTO, SUSTAIN PEDAL MELLOW, BRIGHT (5 STEPS) BRILLIANCE Supported DIGITAL EFFECT Supported (ROOM, STAGE, DIGITAL REVERB...

  • Page 4: Warning

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl 1. WARNING To prevent the risk of fire, smoke, or electrical shock and to ensure safe operation, please be sure to follow the safety guidelines below. 1. At places where special caution is required, the necessary safety precautions are clearly labeled or printed, for example, on the cabinet, or on the part concerned.

  • Page 5: Insulation Resistance Test

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl components for safety. 3. Check the condition of the power cord. Replace if wear or damage is evident. 4. After servicing, be sure to restore the lead dress, insulation barriers, insulation papers, shields, etc. 5. Before returning 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.
  • Page 6 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl 2. Place the stand uplight and mount the panel - Place the stand upright and mount the rear panel with 2 black screws A and 4 black screws B. - Run the screws directly into the pedal box as there are no rough holes in the pedal box.

  • Page 7: Keyboard Ranges

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl 4. Connect the pedal cord and power 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.

  • Page 8: Parts Location

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl 6. PARTS LOCATION Figure-7 7. DISASSEMBLY INSTRUCTIONS 7.1. Removing the top cover 1. Remove the top cover mounting screws (A 4 pcs.) as shown in Figure- 2. Slide the top cover forward and lift up (as shown by the arrows). 7.2.

  • Page 9: Removing The Control Panel

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl 1. Remove the top cover (see step “Removing the top cover”). 2. Match the gears of the keyboard cover with the notches in the guide rail, and lift up the keyboard cover as shown in Figure-8. Figure-8 7.3.

  • Page 10: Key(S)

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl 2. Remove the keyboard assembly mounting screws located on the bottom of the cabinet (A 10 pcs.) as shown in Figure-10. Figure-10 7.5. Key(s) Disassembly 1. Remove the keyboard assembly (see step “Removing 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.

  • Page 11: Disassembly Of The Pedal Assembly

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Assembly 1. Insert the front part of the key into the chassis. 2. Insert the plate spring into the hammer notch as shown in Figure -12. 3. While slowly lowering the key into the chassis, insert the plate spring into the notch at the rear of the key.

  • Page 12: Removing The Printed Circuit Boards

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl - Remove the speaker box mounting screws (A 4 pcs. each). Speakers (14 cm) - Remove the speakers mounting screws (B 4 pcs. each). Speakers (6.5 cm) - Remove the speakers mounting screws (C 4 pcs. each). Figure-14 7.8.

  • Page 13: Self-Diagnostic Functions

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl 2. Pull the MAIN VOLUME knob. 3. Remove the CPL P.C.B. mounting screws (H 10 pcs., I 3pcs., J 1 pc., and K 1 pc.). CPR P.C.B. 1. Remove the control panel (see step “Removing the control panel”).
  • Page 14 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl TEST MODE Procedure 1. Connect the CHECKING DEVICE to CN9 on the MAIN P.C.B., and turn on the CHECKING DEVICE sw MAIN RAM (IC8,9), ROM 2. Turn on the power switch. (IC6) check CPU (IC1) check 1. Connect the CHECKING DEVICE to CN9 on the MAIN P.C.B. (the Checking Device switch should be 2.

  • Page 15: Precautions Before Servicing

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl TEST MODE Procedure 1. Press and hold the two E keys shown below, and then turn on the power switch. Wave ROM check MAIN 2. Select the POP GROUND sound. MAIN: IC12, IC18 3. Reduce the MAIN VOLUME level low enough. When set to the self-diagnostic mode, the Wave ROM outputs a sine wa The Wave ROMs correspond to the keyboard keys as shown in the diagram to the right.

  • Page 16: Important Safety Notice

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Oscilloscope VP-5730A”. Therefore the waveforms of musical tone signals shown may differ somewhat due to the difference in the timing of triggering. 2. Since the 1/10 test probe is used, the indicated voltage value on the bottom part of each waveform illustration is 1/10 of the actual value (e.g.

  • Page 17: Capacitors

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl SYMBOL SPECIFICATION Fixed Carbon Film Resistors “FLAME-PROOF” (ERD—F—type) Fixed Wire Wound Resistors “FLAME-PROOF” (ERF—type) Fixed Metal Oxide Film Resistors “FLAME-PROOF” (ERG—type) Fixed Metal Film Resistors “FLAME-PROOF” (ERX—type) Fixed Metal Film Resistors (Precision and High Stability) (ERO—type) Fuse Type Fixed Metal Oxide Film Resistors “FLAME-PROOF”...

  • Page 18: Measuring Condition

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl 10. MEASURING CONDITION 10.1. Measuring condition of MAIN P.C.B. Check Point 2 - 9 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: A Check Point 1 Set to the Initial mode (refer to...

  • Page 19: Schematic Diagram

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl - While pressing two E keys simultaneously, turn on the power switch. - SOUND: CONCERT GRAND - MAIN VOLUME: Max. - Keyboard: A Check Point 1,2 Set to the Initial mode (refer to “OWNERS MANUAL”). 11. SCHEMATIC DIAGRAM 12.
  • Page 20 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl parts list. *Warning: This product uses a laser diode. Refer to caution statements. *ACHTUNG: Die lasereinheit nicht zerlegen. 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 values are in ohms, unless specified otherwise.
  • Page 21 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Ref. No. Part No. Part Name & Description Remarks 25-4 QGKG0154AB ORNAMENT SX-PX554M 25-5 QMRG7031EC PROTECTOR 25-6 QMRG7032EC PROTECTOR 25-7 QMFG1277AA FELT 25-8 QGKG0095AD ORNAMENT QKQGN998AAZ CROSS BOARD QKQGN998ABZ CROSS BOARD SX-PX554M SHRG9620A CORD CLAMPER QKQGM107AAZ PANEL BOX ASS'Y QKQGM105ABZ PEDAL BOX ASS'Y SX-PX554M...
  • Page 22 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Ref. No. Part No. Part Name & Description Remarks QMWG8045AA KEY GUIDE QMWG8041AA FUL CU RUM(4 PCS,ON ONE) QMWG8040AA FUL CU RUM(12 PCS,ON ONE) QMFG1267BA FELT QMFG1268BA FELT QMFG1266BA FELT QMFG1265AA FELT QMWG6021AA RUBBER SWITCH(4 PCS,ON ON QMWG6020AA RUBBER SWITCH(12 PCS,ON O XNS12FZ...
  • Page 23 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Ref. No. Part No. Part Name & Description Remarks QJAG029AA AC CORD QJAG031AA AC CORD SJP5213-2 ATTACHMENT PULG ECEA0JKS101B 100UF,6.3V ECKCVA1472MF 4700PF FJASP ECRR1H104ZF 0.1UF ECKF1E473ZV 0.047UF ECRF1H104ZF 0.1UF MKB1 ECUV1C224KBX 0.22UF MAIN ECKF1E473ZV 0.047UF ECQU2A104MN 0.1UF,250V FJASP ECUV1C224KBX 0.22UF...
  • Page 24 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Ref. No. Part No. Part Name & Description Remarks ECQV1H683JM3 0.068UF FJASP ECUV1H102JX 0.001UF MAIN ECQB1H223JF3 0.022UF FJASP ECUV1H101JG 100PF MAIN ECQB1H153JF3 0.015UF FJASP ECUV1H101JG 100PF MAIN ECQG1H682KZT 0.0068UF FJASP ECUV1H104ZFX 0.1UF MAIN ECQG1H332KZT 0.0033UF FJASP ECUV1H104ZFX 0.1UF MAIN ECEA1CKA470B...
  • Page 25 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl ECCR1H104ZF1 0.1UF FJASP World of free manuals...
  • Page 26 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Ref. No. Part No. Part Name & Description Remarks ECUV1H104ZFX 0.1UF MAIN ECCR1H104ZF1 0.1UF FJASP ECUV1H104ZFX 0.1UF MAIN ECBT1C222MR5 0.0022UF FJASP ECUV1H104ZFX 0.1UF MAIN ECBT1C222MR5 0.0022UF FJASP ECCR1H104ZF1 0.1UF FJASP ECUV1H104ZFX 0.1UF MAIN ECEA1CKA100B 10UF,16V MAIN C63,64 ECUV1H104ZFX 0.1UF MAIN...
  • Page 27 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl SJPG1JS120A CONNECTOR FJASP Ref. No. Part No. Part Name & Description Remarks SJPG1JS070A CONNECTOR MAIN SJPG1JS070A CONNECTOR FJASP SJPG1310A CONNECTOR FJASP QJUG00212AA CONNECTOR MKB1 SJPG1340A CONNECTOR FJASP SJPG1JS100A CONNECTOR MAIN QJUG01408AA CONNECTOR MKB1 SJPG1JS040A CONNECTOR MAIN ERA1502V5 DIODE ;FJASP MA165...
  • Page 28 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Ref. No. Part No. Part Name & Description Remarks MA8056MTX ZENER MAIN MA165 DIODE MKB1 MA165TA5 DIODE FJASP MA8047HTX Z.DIODE MAIN MA111TX DIODE MAIN MA165 DIODE MKB1 MA165TA5 DIODE FJASP MA165TA5 DIODE MA111TX DIODE MAIN MA165 DIODE MKB1 MA165TA5 DIODE...
  • Page 29 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Ref. No. Part No. Part Name & Description Remarks MA165TA5 DIODE D61-65 MA165 DIODE MKB1 MA165TA5 DIODE MA165 DIODE MKB1 MA165TA5 DIODE MA165 DIODE MKB1 MA165TA5 DIODE MA165 DIODE MKB1 MA165TA5 DIODE D69-73 MA165 DIODE MKB1 MA165TA5 DIODE MA165 DIODE...
  • Page 30 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl M5M34051FPE2 BUS TRANSCEIVER MAIN World of free manuals...
  • Page 31 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Ref. No. Part No. Part Name & Description Remarks HD74LS138P 3 TO 8 DECODER MKB2 M5218AL OPERATIONAL AMP FJASP T7WU04FTE12L TRIPLE INVERTER MAIN M5218AL OPERATIONAL AMP FJASP T7WU04FTE12L TRIPLE INVERTER MAIN M5218AL OPERATIONAL AMP FJASP QS1GX3C04005 4M BIT MASK ROM MAIN IC7,C8 M5218AL...
  • Page 32 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Ref. No. Part No. Part Name & Description Remarks L41-45 ERJ6GEY0R00V CHIP JUMPER MAIN L46-49 ERJ6GEYJ471V MAIN ERJ6GEY0R00V CHIP JUMPER MAIN LED1 T512SRDBS119 7 SEGENTS DISPLAY QPGG0481AB PACKING CASE(SX-PX554M) PCB1 SXPG235021 MAIN P.C.B. PCB2 SXPG2241191A FJASP E P.C.B. EB EZ EG EX GN PCB2 SXPG2241201A...
  • Page 33 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Ref. No. Part No. Part Name & Description Remarks ERDS2TJ103T FJASP ERG1SJ470 47,1W,FLAME-PROOF ERJ6GEYJ472V 4.7K MAIN ERD2FCVJ6R8T 6.8,1/4W,FUSE TYPE FJASP ERDS2T0T 0,1/4W ERG1SJ470 47,1W,FLAME-PROOF ERJ6GEYJ103V MAIN ERD2FCVJ6R8T 6.8,1/4W,FUSE TYPE FJASP ERDS2TJ101T ERG1SJ470 47,1W,FLAME-PROOF ERJ6GEYJ222V 2.2K MAIN ERD2FCVJ6R8T 6.8,1/4W,FUSE TYPE FJASP ERDS2TJ471T...
  • Page 34 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Ref. No. Part No. Part Name & Description Remarks ERJ6GEY0R00V MAIN ERDS2TJ222T 2.2K FJASP ERJ6GEY0R00V MAIN ERDS2TJ103T ERDS2TJ220T FJASP ERJ6GEY0R00V MAIN ERD25FVJ4R7T 4.7,1/4W,FLAME-PROOF FJASP ERDS2TJ103T ERJ6GEY0R00V MAIN ERD2FCVG220T FJASP ERDS2TJ103T ERJ6GEY0R00V MAIN ERDS2TJ103T ERDS2TJ334T 330K FJASP ERJ6GEYJ105V MAIN ERDS2TJ103T ERDS2TJ274T...
  • Page 35 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Ref. No. Part No. Part Name & Description Remarks ERDS2TJ102T FJASP ERJ6GEYJ222V 2.2K MAIN ERDS2TJ224T 220K FJASP ERJ6GEYJ222V 2.2K MAIN ERDS2TJ182T 1.8K FJASP ERJ6GEYJ101V MAIN ERDS2TJ274T 270K FJASP ERJ6GEYJ103V MAIN ERDS2TJ102T FJASP ERJ6GEYJ332V 3.3K MAIN ERDS2TJ184T 180K FJASP ERDS2TJ182T 1.8K...
  • Page 36 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl EROS2TKF1001 FJASP Ref. No. Part No. Part Name & Description Remarks ERDS2TJ272T 2.7K FJASP ERD2FCVG101T 100,1/4W,FUSE TYPE FJASP ERJ6GEYJ471V MAIN ERDS2TJ331T FJASP ERJ6GEYJ102V MAIN R77,78 ERDS2TJ331T FJASP ERD2FCVG101T 100,1/4W,FUSE TYPE FJASP ERD2FCVJ4R7T 4.7,1/4W,FUSE TYPE FJASP ERF5TJ100 10,5W,FLAME-PROOF FJASP ERDS2TJ223T FJASP...
  • Page 37 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Ref. No. Part No. Part Name & Description Remarks QSPG1010AA POWER SWITCH QSSGT011AA SLIDE SWITCH S1-S3 QSTGT001AA LEVER SWITCH SP1,2 QASG14P01A 14CM,4 SP3,4 QASG65PH03A 6.5CM,8 EVQ21507K PUSH SWITCH QSRGT005AA VOLTAGE SELECTOR FJASP EVQ21507K PUSH SWITCH SW9,10 EVQ21507K PUSH SWITCH SW17 18 EVQ21507K...

  • Page 38: Cabinet Parts Location

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Ref. No. Part No. Part Name & Description Remarks EXBV8V103JV MAIN × 4 Z12-31 EXBV8V471JV MAIN × 4 Z32,33 EXBV8V331JV MAIN 330K × 4 Z34-36 EXBS8V471J MAIN × 4 Z37,38 EXBV8V472JV MAIN 4.7K × 4 Z39,40 EXBV8V223JV MAIN ×...
  • Page 39 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl World of free manuals...
  • Page 40 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl World of free manuals...

  • Page 41: Packaging

    www.freeservicemanuals.info 09/08/2012 www.nostatech.nl 17. PACKAGING World of free manuals...
  • Page 42 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl / Printed in Japan / S000501540 HM/AM World of free manuals...
  • Page 43 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl MAIN CIRCUIT +5D 2 1.5K SOFT 3 1.5K FJASP SOSU 4 1.5K SUST 5 MRXD 6 MTXD 7 2.2K MA8030HTX 2SB709ARTX 0.22 2SD601AQTX 0.22 100K 100K SW 2 CHECK TERMINAL LED 3 +5D 4 MAC 1 PC1 2 M5M34051FPE2 PC2 3 (BUS TRANSCEIVER)
  • Page 44 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl 2SD601AQTX +15V 2SB709ARTX R113 R114 4.7K MA8056MTX A B C A B C D E F G H I J K L 100x4 P70/PG00 P71/PG01 P72/PG02 P61/CS1 P73/PG03 P62/CS2 P20/A16 P74/PG10 P63/CAS P21/A17 P75/PG11 P64/RAS P22/A18 P76/PG12 P65/REFOUT P23/A19 P77/PG13...
  • Page 45 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl QLQGT1B101KA 2SB621ARSTA 100x4 100P 35V47 2SC1815TPE2 100x4 EK04W D74HC139GSE2 100x4 (DECORDER) 100x4 A B C 2SD601AQTX 3.3K D6 13 D5 14 D4 15 D3 16 D2 17 D1 18 D0 19 QSIGX3C04005 /SQTG9011A /X27C4096DC10 M5256DFP70LL M5256DFP70LL (4MBIT MASK ROM) (256KBIT STATIC RAM) (256KBIT STATIC RAM) World of free manuals...
  • Page 46 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl A B C N H I G J F D K C B A H A G B F +3.3 TG CLOCK NRSTSG RAMDT2 NRSTCPU RAMDT4 RAMDT3 SDIREV SDOREV SDICH0 SDOCH0 SDIDRY SDODRY TEMODE3 TEMODE2 2.2K DIVOUT SDOMIX LRCK IC10...
  • Page 47 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl TG CLOCK QLQGT1B100MA QLBG005A QLBG005A QLBG005A IC15 TC7W04FTE12L (TRIPLE INVERTER) A B C M N H I G J F D K C B A +VCC 1 2 3 4 5 6 7 8 R65 1M +3.3 H A G B F QSXG1A1128A NRSTSG...
  • Page 48 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl IC14 TC7W08FTE12L (DUAL 2-INPUT AND GATE) VCC BYTE R201 1 2 3 4 5 6 7 8 AD21 2SC1815TPE2 +3.3 R202 VSS VSS MA1039HTR IC12 IC11 QSIGX3C64002 LH5P832N-10 (64MBIT MASK ROM) (256KBIT PSEUDO STATIC RAM) IC20 TC7W08FTE12L (DUAL 2-INPUT AND GATE) VCC BYTE 1 2 3 4 5 6 7 8...
  • Page 49 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl C107 100P C116 6V100 IC21 PCM1734EA-E2 R103 C105 R106 (D/A CONVERTER) 50N0.47 100K 330x4 LRCK ML/IIS C108 PMUT DATA MC/DW1 FJASP +VCC BCK MD/DW0 CLKO MUTE +15V -VCC -15V MODE IC26 +15V CS/IW0 M5218AFPE3 R102 (OP.AMP) SUMR DGND SUML ZERO...
  • Page 50 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl FJASP CIRCUIT PRODUCTS FOR X XS XT XD XA POWER TRANSFORMER QSRGT006AA BLUE 4700P BLACK JK9 L1 POWER 100uHx2 CORD BLUE ERA1502V5 ERA1502V5 PRODUCTS FOR P PC PY 4700P JK9 L1 100uHx2 LINE OUT L 0.0022 LINE OUT R /R+L 0.0022 PRODUCTS FOR OTHERS...
  • Page 51 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl D3-D10 KIA7815PI +15M +VCC SVDGS3V20-15 (+15 VOLTAGE REGULATOR) 2SA1015TPE2 4.7K MA4180TA 35V4700 16V10 2SA1015TPE2 2SA1015TPE2 35V4700 16V330 +15HM 4.7K MA4180TA EK04W 2SC1815TPE2 3.3K -VCC -15M KIA7915PI (-15 VOLTAGE REGULATOR) 130uHx3 2SC1815TPE2 PMUT R100 2SC1815TPE2 100K MA165TA5 PMUT 130uHx3 6.8K 50N1...
  • Page 52 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl PINL 0.15 560K +VCC 0.015 0.0068 +15M 180K 2SA1725PY 2.7K 2SC1815TPE2 +VCC 0.022 MA165TA5 M5218AL (EQUALIZING) MA165TA5 -VCC M125V2.5A P,PC +15M 2SA1015TPE2 E250V2A OTHERS 2.7K 0.015 0.0068 -15M 2SC4511PY EK04W +VCC 180K IC11 -VCC M5218AL (POWER AMPLIFIER) +VCC -VCC +15M...
  • Page 53 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl R102 PEDAL IN R104 +5DM R106 +5DM R110 MIDI OUT R111 MA165TA5 2SA933STRS 220P MA165TA5 IC12 QCPL-260L (PHOTO COUPLER) R113 MIDI IN +5DM R114 MA165TA5 VOUT 0.047 50V1 EOINL 330K C43 10P 2SB621ARSTA R25 270K 2.2K 2SD592ARSTA +VCC M5218AL (HEADPHONE AMPLIFIER)
  • Page 54 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl CPL CIRCUIT +5IP M37471M2196S (8BIT MICROCOMPUTER) +5IP 4MHz 4.7K XOUT +5IP 0.022 6.3V100 +5IP VREF DATA 2SA830STPB 6.3V100 MAIN 2SA830STPB SOUT 2SA830STPB R8 470 CNTR1 2SA830STPB +5IP 100K 2SA830STPB SUMR SUML MAIN VOLR VOLL ------ QRVG25P01B53 SEG0 SEG1 SEG2 SEG3...
  • Page 55 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl SW65 SW89 SW73 SW81 CONCERT DIGITAL E.PIANO2 VOCAL GRAND REVERB SW82 SW66 SW74 ORGAN POP GRAND HARPSI PRESETS SW59 SW67 SW75 DEMO UPRIGHT VIBES SW60 SW84 SW68 SW76 MODE DIGITAL E.PIANO1 STRINGS EFFECT D256 D257 D258 D259 LN282RPXVTX2 LN282RPXVTX2 LN282RPXVTX2...
  • Page 56 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl CPR CIRCUIT TEMP MELLOW DOWN SW10 TEMP BRIGHT D232 D233 LN282RPXVTX2 LN282RPXVTX2 MELLOW BRIGHT D240 D241 LN282RPXVTX2 LN282RPXVTX2 METRONOME VOLUME UNLESS OTHERWISE SPECIFIED: SWITCHES ARE EVQ21507K, DIODES ARE MA165TA5. World of free manuals...
  • Page 57 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl SW17 SW33 SW25 SW41 SW49 START TRANSPOSE TRACK1 METRONOME TOUCH /STOP DOWN SW34 SW18 SW26 SW42 TRANSPOSE RECORD TRACK2 VOLUME D234 D235 D236 D237 D238 LN282RPXVTX2 LN282RPXVTX2 LN282RPXVTX2 LN282RPXVTX2 LN282RPXVTX2 START/STOP RECORD TRACK1 TRACK2 TRANSPOSE DOWN D242 D244 D245 D246...
  • Page 58 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl 10 27 23 17 28 22 12 14 19 18 D239 LN282RPXVTX2 TRANSPOSE UP 21 16 24 20 15 LED1 T512SRDBS119 World of free manuals...
  • Page 59 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl MKB1 CIRCUIT HD74LS138P +VCC (3 TO 8 DECODER) 6.3V47 MAIN UNLESS OTHERWISE SPECIFIED: DIODES ARE MA165. World of free manuals...
  • Page 60 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl World of free manuals...
  • Page 61 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl MKB2 CIRCUIT UNLESS OTHERWISE SPECIFIED: DIODES ARE MA165. World of free manuals...
  • Page 62 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl HD74LS138P (3 TO 8 DECODER) +VCC World of free manuals...
  • Page 63 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl HD74LS138P (3 TO 8 DECODER) +VCC World of free manuals...
  • Page 64 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl World of free manuals...
  • Page 65 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl PKB CIRCUIT PEDAL CORD CN1 +5 PEDAL QSTGT001AA QSTGT001AA QSTGT001AA 4.7K 4.7K 4.7K COM CIRCUIT COMPUTER MIDI MSEL MAIN WGE05 TXD- MIDI TXD+ 1,7,8 COMPUTER RXD+ WGE05 RXD- WGE05 WGE05 WGE05 WGE05 World of free manuals...
  • Page 66 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl CPR P.C.B. J5 J6 METRONOME MELLOW BRIGHT D232 D233 D240 VOLUME /BEAT LED1 D241 TEMPO TEMPO DOWN D242 SW10 SW41 SW42 START TRANSPOSE TRANSPOSE /STOP RECORD TRACK1 TRACK2 DOWN D236 D235 D237 D238 D239 D234 TOUCH D244 D245 D246 SW18...
  • Page 67 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl MKB1 P.C.B. D72 D70 SW40 SW38 SW32 SW30 SW29 SW28 SW27 SW26 SW25 SW24 SW23 SW43 SW42 SW41 SW39 SW37 SW36 SW35 SW34 SW33 SW31 SW44 D25 J6 SW19 SW18 SW15 SW22 SW21 SW20 SW17 SW16 SW14 SW13 SW12 SW11...
  • Page 68 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl MKB2 P.C.B. D142 D140 D138 D136 D134 D176 D174 D172 D170 D168 D166 D164 D162 J17 D160 D158 D156 D154 D152 D150 D148 D146 D144 D167 D165 D163 D159 D157 D155 D151 D149 D147 D145 D139 D137 D135 D133 D175...
  • Page 69 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl PKB P.C.B. JR1 JR3 SUSTAIN SOSUTENUTO SOFT ELECTRICAL PARTS LOCATION Ref.No. Lo.No. Ref.No. Lo.No. Ref.No. Lo.No. Ref.No. Lo.No. PKB P.C.B. World of free manuals...
  • Page 70 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl COM P.C.B. COMPUTER ELECTRICAL PARTS LOCATION Ref.No. Lo.No. Ref.No. Lo.No. Ref.No. Lo.No. COM P.C.B. HP P.C.B. HEADPHONE1 HEADPHONE2 POWER INDICATOR ELECTRICAL PARTS LOCATION Ref.No. Lo.No. Ref.No. Lo.No. Ref.No. Lo.No. Ref.No. Lo.No. Ref.No. Lo.No. HP P.C.B. World of free manuals...
  • Page 71 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl MAIN P.C.B. (COMPONENT SIDE) Z32 Z21 Z20 Z19 Z18 Z17 TG CLOCK R204 C116 IC12 C108 C121 C106 IC10 R102 IC11 IC21 C107 R106 C105 R201 IC26 C120 R107 C109 R105 IC22 Z33 Z31 Z30 Z29 Z28 Z27 C110 TG CLOCK C101...
  • Page 72 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl ELECTRICAL PARTS LOCATION Ref.No. Lo.No. Ref.No. Lo.No. Ref.No. Lo.No. Ref.No. Lo.No. Ref.No. Lo.No. MAIN P.C.B. (COMPONENT SIDE) IC10 IC11 IC12 IC16 R102 IC17 R105 IC18 R106 IC21 R107 IC22 R111 IC26 R112 R116 R201 R202 R204 R211 C101 C105 C106...
  • Page 73 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl MAIN P.C.B. (FOIL SIDE) L30 L29 L16L17L18 L19L20L21L22 D25D26 C111 R113 IC14 R114 R200 C117 R104 R103 C100 IC15 IC20 R210 R117 R118 World of free manuals...
  • Page 74 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl ELECTRICAL PARTS LOCATION Ref.No. Lo.No. Ref.No. Lo.No. Ref.No. Lo.No. Ref.No. Lo.No. Ref.No. Lo.No. MAIN P.C.B. (FOIL SIDE) IC14 IC15 IC20 R103 R104 R113 R114 R117 R118 R200 R210 C100 C111 C117 World of free manuals...
  • Page 75 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl FJASP P.C.B. PMUT R102 J15 J14 J J J 2 2 2 2 4 4 4 4 4 J J J 2 2 2 2 4 4 4 4 4 R104 R116 R28 R22 R106 R113 R115 R61 R60 IC10 IC12...
  • Page 76 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl ELECTRICAL PARTS LOCATION Ref.No. Lo.No. Ref.No. Lo.No. Ref.No. Lo.No. Ref.No. Lo.No. Ref.No. Lo.No. FJASP P.C.B. IC10 IC11 IC12 R100 R102 R104 R106 R110 R111 R113 R114 R115 R116 World of free manuals...
  • Page 77 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl CPL P.C.B. JP10 Q6 Q5 CONCERT J1 J2 GRAND GRAND D265 D264 MODE SW59 SW65 SW66 SW60 DEMO JP17 JP12 JP11 ORGAN UPRIGHT E.PIANO1 E.PIANO2 VIBES STRINGS VOCAL PRESETS R34 R35 DIGITAL D266 D267 D256 D257 D258 D259 D291 D288...
  • Page 78 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl MKB1 MKB2 DECODER COMPUTER SWITCHES MIDI & DECODER DECODER DIODES SWITCHES & DIODES IC10 SDOMIX RXD,TXD,SCKIN,SCKOUT CRXD CTXD MAC,PC1, KDB0 KDB4 KDB0 KDB4 PC2,MIDI KF3, KS0 KF3, KS0 16BIT TONE MICROCOMPUTER GENERATOR SOFT, SODU, MRXD MTXD SUST IC16 DATA BUS SDOMIX...
  • Page 79 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl MAIN SWITCHES & LEDS SWITCHES & LEDS +15V +5A REGULATOR IC2,3 Q2 6 BUFFER LED DRIVE MAIN -15V VOLUME SEG0 SEG11 CM0 CM5 SW0 SW7 LED1 8BIT MICROCOMPUTER +VCC DATA,SCK LED DISPLAY Q7,8 +5D REGULATOR +3.3V +3.3V REGULATOR IC21 IC26A CONVERTER...
  • Page 80 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl FJASP +15V +VCC D7,8 +15V POWER REGULATOR POWER TRANSFORMER SWITCH -15V -VCC D5,6 -15V REGULATOR AC CORD +VCC SP3 (Lch) 6.5cm; 8 IC11B IC3B IC5,6,9,10A Q11,12,15,16 SP1 (Lch) 14cm; 4 IC11A IC3A IC7,8,9,10B Q13,14,17,18 SP2 (Rch) 14cm; 4 MIXING EQUALIZING POWER...
  • Page 81 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Press one of the SOUND buttons to select the desired sound. Each sound features Touch Response, which increases the volume when the keyboard is DIGITAL REVERB applies a played harder. reverberation effect to the sound. Select The sounds can be mixed when two from four echo types—ROOM, STAGE, SOUND buttons are pressed simultaneously.
  • Page 82 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl The BRILLIANCE allows you to select the brightness of the sound from 5 settings. If either of the buttons is pressed once, the current setting value will appear on the display, and it can then be changed. The keyboard touch (Touch Response) can be Pressing the BRIGHT button increases the changed to match your type of playing.
  • Page 83 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl (On the back of piano) LINE OUT AUX IN MIDI COMPUTER PEDAL IN R + L R + L MIDI PEDAL IN COMPUTER Connect the cord from the included stand to this By connecting this terminal to the serial port of terminal.
  • Page 84 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl Phenomenon Remedy No sound is produced when the No sound is produced if the MAIN VOLUME is set to MIN. keyboard is played. Use the sliding control to set the volume to an appropriate level. If the MIDI LOCAL CONTROL is set to off, set it to on. Nothing is shown on the display.
  • Page 85 09/08/2012 www.nostatech.nl Digital piano [ SX-PX554/M ] Transmitted Recognized Remarks Function Basic Default 1-16 memorized 1-16 Channel Changed 1-16 1-16 1, 3 memorized Default × × Mode Messages Altered Note 0-127 *21-108 Number True voice *0-127 〇 〇 Velocity Note ON ×...
  • Page 86 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl COM P.C.B. MAIN P.C.B. QEXGSS07010A QEXGSS12010A QEXGST160608 QEXGHVH02055C CORE CORE 6.5cm,8 QEXGSS16022C CPL P.C.B. 14cm,6 CORE MKB1 P.C.B. QEXGSS16022C QEXGSS16022C HP P.C.B. World of free manuals...
  • Page 87 www.freeservicemanuals.info 09/08/2012 www.nostatech.nl AC CORD FJASP P.C.B. AC IN POWER TRANSFORMER POWER SWITCH QEXGVH03105B QEXGVH02040B 6.5cm,8 CPR P.C.B. 14cm,6 MKB2 P.C.B. PKB P.C.B. World of free manuals...

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