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Panasonic SX-PR804P Service Manual

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ORDER NO. EMID0206012C0
Digital Ensemble
1
A5
SX-PR804P
SX-PR804PC
SX-PR804MP
SX-PR804MPC
SX-PR804EX
SX-PR804EF
SX-PR804EH
SX-PR804EQ
SX-PR804EG
SX-PR804EB
SX-PR804EV
SX-PR804GN
SX-PR804GM
SX-PR804GT
SX-PR804GU
SX-PR804GH
SX-PR804MEX
SX-PR804MEF
SX-PR804MEH
SX-PR804MEQ
SX-PR804MEG
SX-PR804MEB
SX-PR804MGN
SX-PR804MGM
SX-PR804MGT
(P) U.S.A.
(PC) Canada

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  • Page 1 ORDER NO. EMID0206012C0 Digital Ensemble SX-PR804P SX-PR804PC SX-PR804MP SX-PR804MPC SX-PR804EX SX-PR804EF SX-PR804EH SX-PR804EQ SX-PR804EG SX-PR804EB SX-PR804EV SX-PR804GN SX-PR804GM SX-PR804GT SX-PR804GU SX-PR804GH SX-PR804MEX SX-PR804MEF SX-PR804MEH SX-PR804MEQ SX-PR804MEG SX-PR804MEB SX-PR804MGN SX-PR804MGM SX-PR804MGT (P) U.S.A. (PC) Canada...

  • Page 2: Specifications

    (EX) Norway, Sweden, Denmark, Finland, Spain, Portugal, South Africa (EF) France (EH) Netherlands (EQ) Germany (EG) Switzerland, Italy, Austria (EB) Great Britain (EV) Belgium (SX-PR804 only) (GN) Australia, New Zealand (GM) Malaysia, Singapore (GT) Taiwan (GU) Thailand, Brazil (SX-PR804 only) (GH) Hong Kong (SX-PR804 only) SPECIFICATIONS SPECIFICATIONS...
  • Page 3 88 KEYS KEYBOARD SOUND GENERATOR 128 NOTES MAX. POLYPHONY SOUNDS NUMBER OF SOUNDS: 1082 SOUNDS + 2 OGGAN DRAWBARS + 39 DRUM KITS PIANO GROUP: GRAND, UPRIGHT, ELECTRIC, MODERN SOUND GROUP: GUITAR & HARPSI, STRINGS , BRASS,VOCAL, SAX & WOODWIND, ORGAN & ACCORDION, SYNTH, MALLET &...

  • Page 4: Auto Play Chord

    MAIN VOLUME, APC/ CONTROLS SEQUENCER VOLUME, BALANCE, MUTE, CONDUCTOR, START/ STOP, INTRO & ENDING 1, INTORO & ENDING 2, FILL IN 1, FILL IN 2, COUNT INTRO, SYNCHRO START, TEMPO/PRPGRAM,TAP TEMPO, FADE IN/OUT, SPLIT POINT, R1/R2 OCTAVE 20 BANKS × 6 PADS PIANOPERFORMANCE WITH SOLO (USER PADS...
  • Page 5 COMPOSER 5 PARTS: BASS, ACCOMP 1-5, DRUMS 1, STRAGE CAPACITY: APPROX.13000 NOTES INPUT MODES: REALTIME RECORD, STEP RECORD FUNCTIONS: PATTERN COPY, SEQ TO COMPOSER COPY, LOAD SINGLE COMPOSER MEMORY:3 BANKS 3.5 inch DISK DRIVE for DISK DRIVE 2HD (1.44 MB), 2DD (720 KB) LOAD, SAVE, DIRECT PLAY, SONG MEDLEY, DISK TOOLS,...
  • Page 6 PHONES × 2, LINE OUT TERMINALS (R/MONO.L), AUX IN (R/ MONO,L), USB, MIDI (IN, OUT, THRU), PEDAL IN, THEATRE SONIC EXT OUT (R,L), VIDEO OUT Supported(MIC REVERB MIC INPUT & EFFECT) 120 W (60 W × 2) OUTPUT 16 cm × 2, 6.5cm × 2, SPEAKERS MONITOR SPEAKER X 2 POWER REQUIREMENT...

  • Page 7: Safety Precaution

    2. Parts which have a mark in the circuit diagram or in the parts list are essential for safety. When replacing these parts, be sure to use only the specified parts. 3. Use the specified types for internal wiring (double-insulated wiring, etc.). 4.

  • Page 8: Keyboard Ranges

    handle brackets, etc. Measurements should range from 4 M Ohm to infinity for allexposed parts. Figure-1 3. OWNERS MANUAL 4. HOW TO ASSEMBLE THE PIANO 5. KEYBOARD RANGES This keyboard features Touch Response, by which you control the volume by playing the keys harder or softer.

  • Page 9: Parts Location

    6. PARTS LOCATION Figure-3...
  • Page 10 7. DISASSEMBLY INSTRUCTIONS...

  • Page 11: Removing The Top Cover

    7.1. Removing the top cover 1. Remove the top cover mounting screws (A × 4 pcs.) as shown in Figure-5 2. Slide the top cover forward and lift up (as shown by the arrows). 7.2. Removing the keyboard cover 1. Remove the top cover (see step “Removing the top cover ”).

  • Page 12: Removing The Control Panel

    7.3. Removing 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 × 3 pc.) as shown in Figure-5 3. Slide the control panel forward and pull out (as shown by the arrows). Figure-5...

  • Page 13: Removing The Keyboard Assembly

    7.4. Removing the keyboard assembly 1. Remove the control panel (see step “Removing the control panel 2. Remove the keyboard assembly mounting screws located on the bottom of the cabinet (A × 8 pcs.) as shown in Figure-6 Figure-6...
  • Page 14 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. 3.
  • Page 15 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-8 3. While slowly lowering the key into the chassis, insert the plate spring into the notch at the rear of the key.

  • Page 16: Disassembly Of The Pedal Assembly

    7.6. Disassembly of the pedal assembly 1. Remove the pedal assembly from the pedal box. 2. Disassemble the pedal assembly as shown in Figure-9 Figure-9...

  • Page 17: Removing The Speaker

    7.7. Removing the pedal box unit 1. Remove the pedal box unit mounting screws (A × 2 pcs. and B × 2 pcs.). 7.8. Removing the speaker 1. Remove the pedal box unit (see step “Removing the pedal box unit ”).

  • Page 18: Removing The Printed Circuit Boards

    7.9. Removing the printed circuit boards Remove the keyboard cover (see step “Removing the keyboard cover ”). Pull out the connectors on the printed circuit boards. MAIN P.C.B. 1. Release the claws of the 6 P.C.B. holders. AS P.C.B. 1. Release the claws of the 8 P.C.B. holders. 2.
  • Page 19 3. Remove the headphone jack mounting nuts (E x 4 pcs.). 7.10. Removing the Disk Drive unit 1. Remove the keyboard cover (see step “Removing the keyboard cover ”). 2. Pull out the connector from the Disk Drive unit. 3. Remove the chassis on which Disk Drive unit is attached (F x 4 pcs.). 4.
  • Page 20 7.12. Removing the LCD, INV, REM P.C.B. Remove the control panel (see step “Removing the control panel ”). LCD P.C.B. 1. Remove the LCD mounting screws (A x 6 pcs.). 2. Remove the LCD. INV P.C.B. 1. Remove the INV P.C.B. mounting screws (B x 2 pcs.). 2.
  • Page 21 7.13. Removing the CPL, CPR P.C.B. Remove the control panel (see step “Removing the control panel Remove the LCD (see step “Removing the LCD, INV, REM P.C.B. CPR P.C.B. 1. Remove the CP mount bracket (A x 1 pc., B x 1 pc.). 2.
  • Page 22 8. SERVICE DIAGNOSTIC FUNCTION The service diagnostic function makes it possible to determine whether the various test modes pass or fail. The test modes are completely independent of one another. Select a test mode as necessary, and run the test. To set to the service diagnostic mode: 1.
  • Page 23 8.1. ROM device test Figure-17 Press the EXECUTE button to begin the test. The test result (OK or NG) is displayed within a few seconds. If the test result is NG, not only the respective IC, but also a break or short circuit in the ADDRESS/ DATA BUS as well as in any of the strobe signal lines may be the cause of the failure.
  • Page 24 Press the EXECUTE button to begin the test. The test result (OK or NG) is displayed within a few seconds. If the test result is NG, not only the respective IC, but also a break or short circuit in the ADDRESS/ DATA BUS as well as in any of the strobe signal lines may be the cause of the failure.
  • Page 25 when the DSP-RAM device works fine. To stop these effects, push the OFF button. 8.4. Floppy Disk SAVE/LOAD test Figure-20 Insert a formatted floppy disk into the Disk Drive. Press the START button to begin the test. The test is carried out repeatedly. Data is saved and loaded, and then the two data sets are compared.
  • Page 26 Press all the buttons on the Control Panel and confirm that the corresponding LED lights. If an LED fails to light, the cause may be a defective switch or a break in the surrounding circuit, etc. After all the buttons have been pressed, all the PANEL MEMORY LEDs light. To light CPL LEDs, press and hold the DEMO button.To light CPC LEDs, press and hold the HELP button.To light CPR LEDs, press and hold the PANEL MEMORY SET button.
  • Page 27 pressing the DISPLAY HOLD button. CROSSTALK: An H pattern is shown. LCD crosstalk can be evaluated. To exit this test, press the EXIT button. SAMPLE: Several display patterns shown during normal use are shown. The display can be held by pressing the DISPLAY HOLD button. CONTRAST: The test pattern is shown.
  • Page 28 First, set the COMPUTER terminal switch to MIDI. Use a MIDI cable to directly connect the MIDI IN and MIDI OUT terminals. When a keyboard key is pressed, the transmitted and received data are compared and the MIDI terminal operation is indicated as being OK or NG. If NG is shown, check both the IN and OUT terminals, as well as the circuit.
  • Page 29 Figure-26 Use the button in the SOUND GROUP to select an item from 1 to 6 as shown in Figure-27 . Press a keyboard key. Figure-27 1. Generate a full amplitude sine wave in the pitch of each key. (No touch, fixed stereo center).
  • Page 30 confirm whether or not there is an abnormality in the sound output frequency zone. 5. Generate a sine wave in the pitch of each key with touch. You can confirm if the volume changes depending on the touch. 6. Generate a full amplitude sine wave in the pitch of each key at a -16 dB volume. (No touch, fixed stereo center) You can confirm the same sound output as in 1, at a lower volume.
  • Page 31 9.2. Notes on replacing FLASH ROMs The replacement parts contain a FLASH ROM with a available memory and the PROGRAM DISKs which include the program to be written into the PROGRAM ROM. After replacing the PROGRAM ROM, always write the program into it from the...
  • Page 32 PROGRAM DISKs includedin the replacement parts. For details on programming, see “After replacing the PROGRAM ROM (IC22/23) ”. 9.3. How to write program into FLASH ROM 9.3.1. After replacing the PROGRAM ROM (IC22/23) 1. Insert the PROGRAM DISK A (or No.1) included in the replacement parts into the Floppy Disk Drive.

  • Page 33: Precautions Before Servicing

    4. In next FLASH MEMORY UPDATE screen, confirm the procedure and push [* UPDATE*] button again. 5. In next <PROGRAM VERSION INFO> screen, confirm the version at “NOW(CURRENT) =“ column is “Ver F.F.” If the version to update from disks is latest, proceed to update by [*UPDATE*] button.

  • Page 34: Important Safety Notice

    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. 0.2 V/cm should be 2.0 V/ cm).

  • Page 35: Specification

    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 36: Measuring Condition

    SYMBOL SPECIFICATION TYPE Non-Polarized Electrolytic ECEA_KN_type Capacitors Non-Polarized Electrolytic (for ECEA_Y_type Network system) Tantalum Solid Electrolytic ECS_type Capacitors Metallized Plastic Film Capacitors ECQV_type (TF Series) Temperature Compensating ECC_type Ceramic Capacitors High-Dielecytric Constant Ceramic ECK_type, ECR_type Capacitors Axial Lead Ceramic Capacitors ECB_type Metallized Polyester Film ECQ_EW_type...
  • Page 37 Check Point 1 Set to the Initial mode (refer to “OWNERS MANUAL ”).
  • Page 38 11.2. Measuring condition of AS P.C.B.
  • Page 39 Check Point 3 - 8 Set to the Self-diagnostic Mode followings. While pressing two E keys simultaneously, turn on the power switch. SOUND : SOUND EXPLORER MAIN VOLUME: Max. Keyboard: A1 Check Point 1 Set to the Initial mode (refer to “OWNERS MANUAL ”).

  • Page 40: Schematic Diagram

    12. SCHEMATIC DIAGRAM 13. PRINTED CIRCUIT BOARD...

  • Page 41: Block Diagram

    14. BLOCK DIAGRAM 15. WIRING CONNECTION DIAGRAM 16. REPLACEMENT PARTS LIST Notes: *Important safety notice: Components identified by mark have special characteristics important for safety. Furthermore, special parts which have purposes of fire-retardant (resistors), high- quality sound (capacitors), low-noise (resistors), etc. are used. When replacing any of components, be sure to use only manufacture’s specified parts shown in the parts list.
  • Page 42 Ref. No. Part No. Part Name & Description Remarks QYAG2015AA MUSIC STAND QKQGZ167AAZ MUSIC STAND STOPPER ASS'Y QKQGZ167ABZ MUSIC STAND STOPPER ASS'Y SX-PR804M QMRG7140AA MUSIC STAND STOPPER SPBS8002 SCREW QMRG5286AA FELT QHDG016AB SCREW XYN6+F35FZ SCREW QKQGA153CAZ TOP COVER ASS'Y QKQGA154CAZ TOP COVER ASS'Y SX-PR804M QMFG1221AA...
  • Page 43 GTT4+30AFZ SCREW Ref. No. Part No. Part Name & Description Remarks QHDG068AA SCREW CUSHION A CUSHION B QHDG064AA SCREW QGUG1524AA BUTTON A QGUG1525AA BUTTON B QGUG1526AA BUTTON C QGUG1527AA BUTTON D QGUG1528AA BUTTON E QGUG1529AA BUTTON F QGUG1530AA BUTTON G QGUG1531AA BUTTON H QGUG1532AA...
  • Page 44 Ref. No. Part No. Part Name & Description Remarks QTPG1M054A POWER TRANSFORMER G4C6AFD00004 P PC ONLY XYN4+F16 SCREW QQLG174AA HP MIC LABEL XYA35+JA12 SCREW QHDG021AA SCREW QHWG007AA XTN4+50AFZ SCREW XTB35+16A SCREW SNEG2400A SCREW XNS12 SCREW GTT4+25AFZ SCREW SNEG770A WASHER XTW3+10T SCREW XTW3+10T SCREW...
  • Page 45 Ref. No. Part No. Part Name & Description Remarks QQFGPR804EA FAN BAG QQFGPR804FA FAN BAG QQFGPR804HA FAN BAG QQFGPR804JA FAN BAG A1-1 QQTG0665A INSTRUCTION MANUAL PC EX EB EG GN <IA> A1-1 QQTG0665A INSTRUCTION MANUAL GU GH GT GM <IA> A1-1 QQTG0665B INSTRUCTION MANUAL...
  • Page 46 Ref. No. Part No. Part Name & Description Remarks ECBT1H470J3 ECEA0JKS101 6.3V 100U ECJ1VF1H104Z 0.1U MAIN ECQV1H105JM3 ECRR1H104ZF 0.1UF MKB2 ECRR1H104ZF1 0.1U F1E1H1040023 JACK ECBT1H104KB5 0.1U F1D1H1040002 CPR ECJ1VF1H104Z 0.1U MAIN ECRR1H104ZF 0.1UF MKB1 ECRR1H104ZF1 0.1U F1E1H1040023 JACK QCBG1H104ZFA 0.1U F1E1H104A001 HP ECBT1H104KB5 0.1U...
  • Page 47 Ref. No. Part No. Part Name & Description Remarks ECJ1VB1A224K 0.22U MAIN ECQG1H682KZT 0.0068U F0A1H682A025 AS ECQU2A104MN 0.1U JACK ECJ1VF1H104Z 0.1U MAIN ECQG1H102KZT 0.001U F0A1H102A025 AS ECRR1H104ZF1 0.1U F1E1H1040023 JACK ECJ1VF1H104Z 0.1U MAIN ECQB1H223JF3 0.022U ECJ1VF1H104Z 0.1U MAIN ECQG1H152KZT 0.0015U F0A1H152A025 AS ECRR1H104ZF1 0.1U...
  • Page 48 Ref. No. Part No. Part Name & Description Remarks ECCR1H100D5 ECJ1VG1H030C MAIN ECCR1H471J5 470P C48-50 ECJ1VF1H104Z 0.1U MAIN ECQG1H222KZT 0.0022U F0A1H222A025 AS ECA1HHG221B 50V 220P ECJ1VF1H104Z 0.1U MAIN ECA1HHG221B 50V 220P C52,53 ECJ1VF1H104Z 0.1U MAIN ECQV1H225JL3 2.2U ECJ1VF1H104Z 0.1U MAIN ECEA1HSN010 50V 1U EEVHP1H1R0R...
  • Page 49 C116 ECJ1VG1H221J 220P MAIN...
  • Page 50 Ref. No. Part No. Part Name & Description Remarks C118,19 ECJ1VG1H221J 220P MAIN C120 ECJ1VF1H104Z 0.1U MAIN C121 ECJ1VG1H221J 220P MAIN C122 ECJ1VG1H100D MAIN C123,24 ECJ1VF1H104Z 0.1U MAIN C127 ECJ1VG1H100D MAIN C128 ECJ1VG1H101J 100P MAIN C129 ECJ1VF1H104Z 0.1U MAIN C130-35 ECJ1VG1H101J 100P MAIN...
  • Page 51 C214,15 ECJ1VG1H471J 470P MAIN...
  • Page 52 Ref. No. Part No. Part Name & Description Remarks C216 EEVHB1C100R 16V 10U MAIN C217-21 ECJ1VF1H104Z 0.1U MAIN C222 ECJ1VG1H330J MAIN C223 EEVHB1H2R2R 50V 2.2U MAIN C224,25 ECJ1VF1H104Z 0.1U MAIN C226-29 ECJ1VG1H101J 100P MAIN C230 ECJ1VF1H104Z 0.1U MAIN C231,32 EEVHB1C100R 16V 10U MAIN C233,34...
  • Page 53 SJPG7JS020A CONNECTOR JACK...
  • Page 54 Ref. No. Part No. Part Name & Description Remarks SJPG2JS050A CONNECTOR K1KA04B00032 CONNECTOR SJPG1320A CONNECTOR SJPG1JS080A CONNECTOR JACK SJPG1310A CONNECTOR SJPG7JS040A CONNECTOR JACK QJTG04309AA CONNECTOR QEUGQ8H08BCZ CONNECTOR MKB2 QJTG04309AA CONNECTOR QJUG05309AA CONNECTOR ASUB K1KA15A00116 CONNECTOR MAIN QJUG05309AA CONNECTOR ASUB CN10 K1KA15A00116 CONNECTOR MAIN...
  • Page 55 Ref. No. Part No. Part Name & Description Remarks MA165TA5 DIODE MA2C16500E CPL MA2J11100L DIODE MAIN MA165 DIODE MA2C165 MKB1 MA165TA5 DIODE MA2C16500E CPL MA2J11100L DIODE MAIN SVDS3V40 DIODE B0EAKM000066 AS MA165 DIODE MA2C165 MKB1 MA165TA5 DIODE MA2C16500E CPL MA2J11100L DIODE MAIN MA165...
  • Page 56 Ref. No. Part No. Part Name & Description Remarks MA2062LF ZENER MAZ2062000LF MAIN MA165 DIODE MA2C165 MKB1 MA165TA5 DIODE MA2C16500E CPL MA165TA5 DIODE MA2C16500E AS EK04W DIODE B0JAME000042 AS MA165 DIODE MA2C165 MKB1 MA165TA5 DIODE MA2C16500E CPR MA2J11100L DIODE MAIN MA165TA5 DIODE MA2C16500E CPL...
  • Page 57 MA165TA5 DIODE MA2C16500E CPR...
  • Page 58 Ref. No. Part No. Part Name & Description Remarks MA165TA5 DIODE MA2C16500E CPL MA165 DIODE MA2C165 MKB1 MA165TA5 DIODE MA2C16500E CPR MA2J72800L DIODE MAIN MA165TA5 DIODE MA2C16500E CPL MA165 DIODE MA2C165 MKB1 MA165TA5 DIODE MA2C16500E CPR MA2Z30400L DIODE MAIN MA165TA5 DIODE MA2C16500E CPL MA165...
  • Page 59 MA165 DIODE MA2C165 MKB1...
  • Page 60 Ref. No. Part No. Part Name & Description Remarks MA165TA5 DIODE MA2C16500E CPR D58,59 MA165 DIODE MA2C165 MKB1 MA165TA5 DIODE MA2C16500E CPR LN282RPXVTX3 LED(RED) LNJ282RKRX02 CPL MA165 DIODE MA2C165 MKB1 MA165TA5 DIODE MA2C16500E CPR LN282RPXVTX3 LED(RED) LNJ282RKRX02 CPL MA165 DIODE MA2C165 MKB1 MA165TA5 DIODE...
  • Page 61 LN282RPXVTX3 LED(RED) LNJ282RKRX02 CPL...
  • Page 62 Ref. No. Part No. Part Name & Description Remarks MA165 DIODE MA2C165 MKB1 MA165TA5 DIODE MA2C16500E CPR LN282RPXVTX3 LED(RED) LNJ282RKRX02 CPL MA165 DIODE MA2C165 MKB1 MA165TA5 DIODE MA2C16500E CPR MA165 DIODE MA2C165 MKB1 MA165TA5 DIODE MA2C16500E CPR MA165 DIODE MA2C165 MKB1 MA165TA5 DIODE MA2C16500E CPR...
  • Page 63 D106 MA165 DIODE MA2C165 MKB2...
  • Page 64 Ref. No. Part No. Part Name & Description Remarks D107 LN382GPXVTX3 LED(GREEN) LNJ382GKGX02 CPR D107 MA165 DIODE MA2C165 MKB2 D107 MA165TA5 DIODE MA2C16500E ASUB D108 LN282RPXVTX3 LED(RED) LNJ282RKRX02 CPR D108 MA165 DIODE MA2C165 MKB2 D108 MA165TA5 DIODE MA2C16500E ASUB D109 LN382GPXVTX3 LED(GREEN) LNJ382GKGX02 CPR...
  • Page 65 D173,74 MA165TA5 DIODE MA2C16500E CPCR...
  • Page 66 Ref. No. Part No. Part Name & Description Remarks D174,75 MA165TA5 DIODE MA2C16500E CPCR D175,76 MA165TA5 DIODE MA2C16500E CPCR D176,77 MA165TA5 DIODE MA2C16500E CPCR D177,78 MA165TA5 DIODE MA2C16500E CPCR D178,79 MA165TA5 DIODE MA2C16500E CPCR D179,80 MA165TA5 DIODE MA2C16500E CPCR D180,81 MA165TA5 DIODE MA2C16500E CPCR...
  • Page 67 IC16,17 C3ABMG000166 16M BIT PYNAMIC RAM MAIN...
  • Page 68 Ref. No. Part No. Part Name & Description Remarks IC18 TC7W08FTE12L 2 INPUT AND GATE C0JBAA000103 MAIN IC19,20 C3BBHG000048 1MFASTSRAM MAIN IC21 C1BB00000709 SUB TONE GENERATOR MAIN IC22,23 RFKFXPR804 FLASH MEMORY WITH PROGRAM DISK MAIN C3FBNG000016 IC24 C3CBND000047 MAIN IC27 MN19425AA1 MAIN IC28...
  • Page 70 Ref. No. Part No. Part Name & Description Remarks ERJ6GEY0R00V MAIN G0ZZ00001936 COIL QLQGT3T131TA COIL G0B131Z00001 JACK QLQGT3T131TA 130UH X 3 G0B131Z00001 HP G0ZZ00001936 COIL QLQGT3T131TA COIL G0B131Z00001 JACK QLQGT3T131TA 130UH X 3 G0B131Z00001 HP G0ZZ00001936 COIL QLQGT3T131TA COIL G0B131Z00001 JACK G0ZZ00001936 COIL QLQGT1T121LA...
  • Page 71 Ref. No. Part No. Part Name & Description Remarks 2SA830STPB TRANSISTOR 2SA1015TPE2 TRANSISTER B1ACCF000016 PKB 2SA830STPB TRANSISTOR 2SD0601AQL TRANSISTER MAIN Q2,Q3 2SA830STPB TRANSISTOR 2SB946P TRANSISTER 2SB09460P MAIN 2SC1815TPE2 TRANSISTER B1AACF000023 PKB Q3,Q4 2SA830STPB TRANSISTOR 2SC2240GTPE2 TRANSISTER B1AACL000011 MAIN Q4,Q5 2SA830STPB TRANSISTOR 2SD0601AQL TRANSISTER...
  • Page 72 Ref. No. Part No. Part Name & Description Remarks Q103,04 B1ACCF000041 TRANSISTOR ASUB Q105 2SA970GTPE2 TRANSISTOR B1ACCL000008 ASUB Q106 2SC2240GTPE2 TRANSISTOR B1AACL000011 ASUB Q107 B1AACF000068 TRANSISTOR ASUB Q108 B1ACCF000041 TRANSISTOR ASUB Q109 2SA1285AFTA TRANSISTOR B1ACCL000006 ASUB Q110 2SC3245AFTA TRANSISTOR B1AACL000009 ASUB Q111 B1ACCF000041 TRANSISTOR...
  • Page 73 Ref. No. Part No. Part Name & Description Remarks ERDS2TJ124 120K ERJ3GEYJ221V MAIN ERDS2FJ101 ERDS2FJ224 220K ERDS2FJ472 4.7K ERDS2T0T JACK ERJ3GEYJ101V MAIN ERDS2FJ472 4.7K ERDS2FJ101 ERDS2FJ103 ERDS2FJ222 2.2K ERDS2T0T JACK ERDS2TJ124 120K ERJ3GEYJ470V MAIN R7,R8 ERDS2FJ103 ERDS2FJ104 100K ERDS2FJ472 4.7K ERDS2T0T JACK ERJ3GEYJ101V...
  • Page 74 ERDS2FJ222 2200...
  • Page 75 Ref. No. Part No. Part Name & Description Remarks ERDS2FJ681 JACK ERJ3GEY0R00V MAIN R14,15 ERDS2FJ103 ERDS2FJ681 JACK ERDS2FJ683 ERDS2T0T ERJ3GEYJ221V MAIN ERDS2FJ103 ERDS2FJ104 100K ERDS2FJ333 ERJ3GEY0R00V MAIN ERD2FCJ6R8 6.8 FUSE TYPE ERDS2FJ103 ERJ3GEYJ102V MAIN ERDS2FJ103 ERDS2FJ220 ERJ3GEYJ221V MAIN R18,19 ERDS2FJ103 ERDS2FJ222 2.2K ERJ3GEYJ102V...
  • Page 76 Ref. No. Part No. Part Name & Description Remarks ERDS2FJ103 ERJ3GEYJ331V MAIN ERQ2CJP6R8S 6.8 FUSE TYPE ERDS2FJ101 ERDS2TJ682T 6.8K ERJ3GEY0R00V MAIN R30,31 ERDS2FJ101 ERDS2FJ332 3.3K ERJ3GEYJ470V MAIN R31,32 ERDS2FJ101 ERDS2FJ224 220K ERJ3GEYJ470V MAIN R32,33 ERDS2FJ101 ERDS2FJ332 3.3K ERJ3GEYJ470V MAIN R33,34 ERDS2FJ101 ERDS2TJ124 120K...
  • Page 77 Ref. No. Part No. Part Name & Description Remarks ERDS2FJ224 220K ERJ3GEYJ470V MAIN ERDS2FJ472 4.7K ERJ3GEYJ470V MAIN ERDS2FJ224 220K ERJ3GEYJ470V MAIN ERDS2FJ152 1.5K ERJ3GEYJ470V MAIN ERDS2FJ154 150K ERJ3GEY0R00V MAIN ERDS2FJ393 ERJ3GEY0R00V MAIN ERDS2FJ334 330K ERJ3GEYJ470V MAIN ERDS2FJ222 2.2K ERJ3GEYJ470V MAIN ERDS2FJ393 ERJ3GEYJ472V 4.7K...
  • Page 78 Ref. No. Part No. Part Name & Description Remarks ERJ3GEYJ221V MAIN ERDS2FJ333 ERJ3GEYJ101V MAIN ERDS2FJ223 ERJ3GEYJ101V MAIN ERDS2FJ153 ERJ3GEYJ101V MAIN ERDS2FJ333 ERJ3GEYJ101V MAIN ERDS2FJ103 ERJ3GEY0R00V MAIN ERDS2FJ104 100K ERJ3GEY0R00V MAIN ERD2FCJ6R8 6.8 FUSE TYPE ERJ3GEYJ223V D0GB223JA002 MAIN ERDS2FJ104 100K ERDS2FJ103 ERJ3GEYJ470V MAIN ERDS2FJ472...
  • Page 79 Ref. No. Part No. Part Name & Description Remarks R114,15 ERDS2FJ152 1.5K ASUB R115 ERJ3GEYJ221V MAIN R116 ERDS2FJ472 4.7K ASUB R116 ERJ3GEYJ102V MAIN R117 ERD2FCVG221T 1/4W 220 FUSE TYPE ASUB R117 ERJ3GEYJ470V MAIN R118 ERD2FCVG221T 1/4W 220 FUSE TYPE ASUB R118 ERJ3GEYJ470V MAIN...
  • Page 80 Ref. No. Part No. Part Name & Description Remarks R201,02 ERJ3GEYJ470V MAIN R203 ERJ3GEYJ104V 100K D0GB104JA002 MAIN R204 ERJ3GEYJ103V D0GB103JA002 MAIN R205 ERJ3GEYJ471V MAIN R206,07 ERJ3GEY0R00V MAIN R208 ERJ3GEYJ472V 4.7K MAIN R209 ERJ3GEYJ102V MAIN R210 ERJ3GEY0R00V MAIN R211 ERJ3GEYJ101V MAIN R212,13 ERJ3GEYJ472V MAIN...
  • Page 81 R289,90 ERJ3GEYJ473V D0GB473JA002 MAIN...

  • Page 82: Remote Sensor

    Ref. No. Part No. Part Name & Description Remarks R293 ERJ3GEY0R00V MAIN R295 ERJ3GEY0R00V MAIN R299 ERJ3GEYJ221V MAIN R301-04 ERJ3GEYJ470V MAIN R306,07 ERJ3GEYJ470V MAIN R308,09 ERJ3GEYJ103V D0GB103JA002 MAIN R310,11 ERJ3GEYJ153V MAIN R312,13 ERJ3GEYJ472V 4.7K MAIN R314,15 ERJ3GEYJ101V MAIN R320 ERJ3GEYJ101V MAIN R321 ERJ3GEYJ471V...
  • Page 83 Ref. No. Part No. Part Name & Description Remarks SW19 EVQ21507K PUSH SWITCH SW20 EVQ21507K PUSH SWITCH SW21 EVQ21507K PUSH SWITCH SW22 EVQ21507K PUSH SWITCH SW22 EVQ21507K PUSH SWITCH SW23 EVQ21507K PUSH SWITCH SW23 EVQ21507K PUSH SWITCH SW24 EVQ21507K PUSH SWITCH SW25 EVQ21507K PUSH SWITCH...

  • Page 84: Push Switch

    SW56 EVQ21507K PUSH SWITCH...
  • Page 85 Ref. No. Part No. Part Name & Description Remarks SW57 EVQ21507K PUSH SWITCH SW59 EVQ21507K PUSH SWITCH SW60 EVQ21507K PUSH SWITCH SW61 EVQ21507K PUSH SWITCH SW62 EVQ21507K PUSH SWITCH SW63 EVQ21507K PUSH SWITCH SW64 EVQ21507K PUSH SWITCH SW80 QSRGT002AA ENCODER SWITCH K9AA015B0034 CPL SW81 EVQ21507K...
  • Page 86 SW177 EVQ21507K PUSH SWITCH CPCR...
  • Page 87 Ref. No. Part No. Part Name & Description Remarks SW177 EVQ21507K PUSH SWITCH CPCL SW178 EVQ21507K PUSH SWITCH CPCR SW178 EVQ21507K PUSH SWITCH CPCL SW179 EVQ21507K PUSH SWITCH CPCR SW179 EVQ21507K PUSH SWITCH CPCL SW180 EVQ21507K PUSH SWITCH CPCR SW180 EVQ21507K PUSH SWITCH CPCL...

  • Page 88: Cabinet Parts Location

    EXBV8V470JV 47 × 4 MAIN Ref. No. Part No. Part Name & Description Remarks EXBV8V472JV 4.7K × 4 MAIN EXBV8V470JV 47 × 4 MAIN EXBV8V472JV 4.7K × 4 MAIN EXBV8V470JV 47 × 4 MAIN Z19,20 EXBV8V472JV 4.7K × 4 MAIN EXBV8V470JV 47 ×...

  • Page 89: Schematic Diagram For Printing With A4 Size

    19. SCHEMATIC DIAGRAM FOR PRINTING WITH A4 SIZE Printed in Japan S020600000 HM/AM 2002 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.

  • Page 90: Controls And Functions

    Controls and functions (PR804) AUTO PLAY CHORD Add an automatic accompaniment to your selected rhythm. PIANO PERFORMANCE PADS PIANO STYLIST Add various phrases to your You can choose to have performance with the pad all the settings of this buttons. instrument automatically set.
  • Page 91 DISPLAY Displays performance information, function EFFECT settings and other messages. Add various effects to the sounds. Use the LCD CONTRAST buttons to adjust the display so that it is easy to read. SEQUENCER Record and play back your TRANSPOSE SOUND GROUP Raise or lower the key performance.
  • Page 92 MKB1 MKB2 CPCL SWITCHES & LEDS FLOPPY CN100 DISK DECODER DRIVE SWITCHES & DIODES DECODER DECODER SWITCHES & LEDS Q1-5 CN5001 CN5005 IC2,3 T5001 POWER BUFFER DRIVER TRANSFORMER MAIN SWITCHES & DIODES VOLUME CN5002 SEG0-SEG10 CM0-CM4 SW0-SW7 8BIT MICROCOMPUTER DATA,SCK MAIN SW0-SW7 SEG0-SEG1...
  • Page 93 CPCR JACK 2/2 CN18 +VCC SWITCHES & LEDS Q5,6 D3,5 +15V POWER CN100 +15A REGULATOR TRANSFORMER POWER SWITCH Q7,8 D7,9 -15V -15A AC CORD REGULATOR SWITCHES & LEDS Q1-5 IC2,3 +15A +VCC BUFFER SP2(Rch) DRIVER 16cm; 6 RMCOM -15A -VCC SP6(Rch) SEG0-SEG10 CM0-CM4 SW0-SW7...

  • Page 94: Power On Settings

    Initialize This instrument has many settable functions and storable memories. However, you can return the settings and memory to the factory-preset status. INITIAL Press the PROGRAM MENUS button to turn Use the buttons to select the desired it on. type of initialization. PERFORMANCE includes all the items which are listed below it.
  • Page 95 Connections (on the rear panel) VIDEO OUT MIDI (NTSC/PAL) THEATRE SONIC THRU PEDAL IN AUX IN LINE OUT EXT OUT (PR804) THEATRE SONIC EXT OUT (PR804) External rear speakers for the THEATRE SONIC effect can This terminal allows connection to a personal computer with be connected to these terminals.

  • Page 96: Symptoms Which Appear To Be Signs Of Trouble

    Symptoms which appear to be signs of trouble The following changes in performance may occur in the Technics Keyboard but do not indicate trouble. Phenomenon Remedy The buttons, keys, etc. malfunction. Turn off the POWER button once, then turn it on again. If this procedure is not successful, turn off the POWER button once.
  • Page 97 Phenomenon Remedy Storage is not possible. The remaining memory capacity of the COMPOSER is 0. Setting the time signature and number of measures is The time signature and number of measures cannot be changed not possible. for a pattern which is currently recorded in the COMPOSER. If you wish to change the time signature and/or measure data, first follow the procedure to clear the memory.

  • Page 98: Error Messages

    Error messages Contents Contents The data on the disk that you are using is for a The time signature of the pattern from which you different product. are copying is different from the COMPOSER memory that you are using. An error has occurred while the disk was loading. Either: Change the time signature Please try again! of the COMPOSER memory...
  • Page 99 MIDI Implementation Chart Digital Ensemble [ PR804 ] Function Transmitted Recognized Remarks Default 1-16 1-16 Assigned to the part. Basic Channel Changed 1-16 1-16 Default OMNI OFF, POLY MODE Mode 3 Messages *M=1 only Mode Mode 3, 4 (M=1) Mode 3, 4 (M=1) Altered 0-127 0-127...
  • Page 100 MAIN P.C.B. (COMPONENT SIDE) MAIN P.C.B. (FOIL SIDE) CN13 CN17 CN14 C165 R306 R307 R308 C262 C263 R185 R309 R199 R186 R188 Q21 Q22 R182 R184 R187 C162 R190 R189 R219 R285 IC47 C171 R242 C108 R287 IC45 R254 R239 C174 R214 R264...
  • Page 101 AS P.C.B. ASUB P.C.B. J153 J312 J300 J321 J322 Q119 Q123 Q117 Q116 C104 Q112 D108 Q114 Q109 Q121 Q107 Q106 C101 Q102 D102 Q104 D110 D104 C31 R44 C35 R48 R121 J160 C105 R119 R118 R115 R116 J309 R109 C102 R107 R106...
  • Page 102 CPL P.C.B. SW13 SW14 SW15 SW16 SW33 SW36 SW38 SW34 J114 J106 J108 SW35 SW39 SW37 J109 SW22 SW19 SW20 SW21 SW23 SW24 SW12 SW17 SW18 D106 J113 D111 D113 D110 SW80 SW41 SW42 SW43 SW44 SW45 SW46 SW47 SW27 SW28 SW29 SW30...
  • Page 103 CPR P.C.B. D134 D135 D126 D115 D137 D104 D144 D143 D132 D121 D100 D111 D122 D133 D114 D103 D136 SW23 SW19 SW18 SW22 D110 SW30 SW29 SW26 SW25 SW27 SW28 SW32 SW82 SW85 SW86 SW87 SW88 SW84 SW83 SW81 D123 D124 D138 D127...
  • Page 104 PKB P.C.B. CPCL P.C.B. SW154 SW153 JR1 JR3 D153 D152 E C B SW152 D151 E C B J217 CN100 SW151 E C B SW150 D150 SUSTAIN SOSUTENUTO SOFT J216 J215 J214 J213 J212 (SXPG218231) D154 J211 SW174 SW175 SW176 SW177 SW178 SW179...
  • Page 105 MKB1 P.C.B. D72 D70 D25 J6 SW40 SW38 SW37 SW35 SW32 SW31 SW30 SW29 SW28 SW27 SW26 SW25 SW24 SW23 SW22 SW21 SW20 SW19 SW18 SW16 SW15 SW14 SW13 SW12 SW11 SW10 SW44 SW43 SW42 SW41 SW39 SW36 SW34 SW33 SW17 (SXPG231111A) MKB2 P.C.B.
  • Page 106 JACK P.C.B. JK11 JK1 J18 JK10 (SXPG238511C) JK11 JK1 J18 JK10 (SXPG238521C) JK11 JK1 J18 JK10 (Example) Transistor's symbolmark: (SXPG238531C) E C B Applied for all transistors...
  • Page 107 SCHEMATIC DIAGRAM-1 MAIN 1/5 CIRCUIT IORST A(0-25) D(0-31) +3.3D +3.3D +3.3D +3.3D +3.3D Z34 4.7Kx4 Z43 4.7Kx4 SELE.LED D(0) D(16) C59 0.1 C60 0.1 FDC.TC D(1) D(17) PMUT D(2) D(18) 4.7K 2SB709 D(3) D(19) 100K USB.SD Z36 4.7Kx4 Z44 4.7Kx4 USB.ST D(4) D(20)
  • Page 108 SCHEMATIC DIAGRAM-2 PORT.EX2 +3.3D +3.3D +3.3D +3.3D +3.3D C65 0.1 C72 0.1 C79 0.1 C84 0.1 VCC VCC BYTE VCC VCC BYTE BYTE D(21) D(20) LCAS RESET A(21) A(21) D(19) BCAS RY/BY DSP.INT3 A(22) A(20) A(20) D(18) DSP.CS A(21) A(19) A(19) D(17) DSP.RST...
  • Page 109 SCHEMATIC DIAGRAM-3 MAIN 2/5 CIRCUIT +3.3D R120 IC41 R124 TC7W04 R121 1M IC40 +3.3D Z73 1Kx4 C112 +3.3D H1A5005B0014 TC74HC04F IC40 IC41 TC7W04 TC74HC04F C154 R126 1M 24 23 22 21 20 19 18 17 16 15 14 13 R117 R118 50MHz R122...
  • Page 110 SCHEMATIC DIAGRAM-4 LCD.WAIT FDC DRQ FDC TC UNR511N00L +3.3D FDC INT FDC DACK 4.7K 4.7K FDC CS TOC SNS CR.DATA R213 R218 CR.CLK 4.7K MA111 MA111 4.7K CPRST R202 4.7K CN11 C177 R204 C170 +3.3D UNR521600L R211 R208 R201 7 DATA 4.7K C183 IC52...
  • Page 111 SCHEMATIC DIAGRAM-5 MAIN 3/5 CIRCUIT DSP.CS R278 DSP.RST 2SB970 CKOUT C115 0.001 MIC.SNS IORST 2SD601 2.2K C110 R285 MA2QD0100L 120uH 2SB946P 1W0.33 6V47 2SD601 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 R190 R286 C198...
  • Page 112 SCHEMATIC DIAGRAM-6 C246 R241 R249 100K C257 C230 C232 16V10 C242 R280 50V1 +15A -15A C240 6V100 28 27 26 25 24 23 22 21 20 19 18 17 16 15 CN16 IC59 M5218AFP MSKS IC54 PCM1734 -15A R250 (DAC) +15A 100K 100P...
  • Page 113 SCHEMATIC DIAGRAM-7 MAIN 4/5 CIRCUIT SDIE(0-2) SDOE(0-1) KB(0) 100P KB(1) 100P KB(2) 100P KB(3) 100P +3.3D KB(4) 100P +3.3D +3.3D 3.3V AWAY(22) AWAY(21) Z8 4.7Kx4 C1BB00000709 AWAY(20) KF(2) MA111 MASTER TONE AWAY(19) GENERATOR LSI KS(2) MA111 AWAY(18) KF(3) MA111 AWAY(17) KS(3) MA111 +3.3D...
  • Page 114 SCHEMATIC DIAGRAM-8 +3.3D 3.3V BWAY(22) BWAY(21) IC21 BWAY(20) C1BB00000709 BWAY(19) (SUB TONE GENERATOR LSI) BWAY(18) BWAY(17) BWAY(16) +3.3D BWAY(15) BWD(15) BWAY(14) BWD(14) +3.3D BWAY(13) BWD(13) BWAY(12) BWD(12) BWAY(11) BWD(11) BWAY(10) BWD(10) SD03 WCEV1 BWAY(9) BWD(9) CKOUT WCEV0 BWAY(8) BWD(8) BWAY(0) BWAY(7) BWD(7) BWAY(1)
  • Page 115 SCHEMATIC DIAGRAM-9 MAIN 5/5 CIRCUIT USBMTX MIDI.RX USB.WAITM USB.WAITH USB.SI USB.SO USB.MSL R185 4.7K R231 P30/RST P74/OBF1 P51/WRA/BHE P73/IBF1/WLDA P53/BCLK R288 P33/DMAOUT P71//HOLD R186 P54/BLDA P107/AN7/KI3 4.7K P70/SBF USB SBF P106/AN6/KI2 R228 33 P35/STBCOUT USB+ R187 P56/ALE P105/AN5/KI1 R229 33 4.7K C222 R233...
  • Page 116 SCHEMATIC DIAGRAM-10 AS CIRCUIT JACK 2/2 CIRCUIT +VCC1 QLBG005A QLBG005A PRODUCTS FOR POWER +VCC TRANSFORMER X XS XT XD XA QSRGT005AA BLUE 2SD2374A-P MA4180TA SVDGS3V20-15 SVDGS3V20-15 4700P BLACK MA4180T B1ACCF000041 JK6 L14 +15A POWER QLQGT2T100SA 16V100 CORD 63V10000 R105 50V1 MA4160MTA 16V10 6.8K...
  • Page 117 SCHEMATIC DIAGRAM-11 ASUB CIRCUIT INV CIRCUIT +15A +VCC-A C102 680P R101 220 R105 R107 Q121 Q101 B1AACF000068 B1AACF000068 Q107 Q105 B1AACF000068 CN5002 CN5001 R104 4.7K L5001 QLBG005A R5015 2SA970GTPE2 D104 R5001 W6E05 Q109 Q104 R5002 2SA1285FTA -15A -15A Q103 2SA1015TPE2 B1AACF000068 R109 R5003...
  • Page 118 SCHEMATIC DIAGRAM-12 CPL CIRCUIT +5IP M37471M2196S SW13 SW14 (8BIT MICROCOMPUTER) FAVORITES INTRO& COUNT INTRO SEQUENCER VARIATION VARIATION ENDING2 FILL IN2 RESET &MSA 4 &MSA 3 WVRR WVRL SW19 SW20 SW17 RHYTHM RHYTHM SW18 TAP TEMPO INTRO& FADE GROUP GROUP MAINR FADE IN ENDING1 MEMORY LOAD...
  • Page 119 SCHEMATIC DIAGRAM-13 CPR CIRCUIT +5IP SW33 M37471M2196S SW25 SW41 SW49 SOUND (8BIT MICROCOMPUTER) PART SEG0 SEG0 SELECT CONDUCTOR ORGAN& GROUP PIANO PANEL SEG1 SEG1 RIGHT1 RIGHT2 ACCORDION BASS UPRIGHT MEMORY4 SW18 SW26 SW34 SW42 SW50 R1/R2 SAX& MALLET& PIANO PANEL OCTAVE- WOODWIND ORCHPERC...
  • Page 120 SCHEMATIC DIAGRAM-14 CPCL CIRCUIT SW81 SEG6 SEG7 SEG8 SEG9 SW57 EFFECT BRILLIANCE REVERB SW150 SW158 SW166 SW174 D150 D158 D166 D174 EVQ21507K EVQ21507K EVQ21507K EVQ21507K MA165TA5 MA165TA5 MA165TA5 MA165TA5 SW82 SEQUENCER PLAY CN100 CPL 1 OTHER PARTS/TR PAGE DOWN 1 PAGE UP 1 SW59 SW83...
  • Page 121 SCHEMATIC DIAGRAM-15 PKB CIRCUIT CPCR CIRCUIT PEDAL CORD SOFT 1 SEG0 SEG1 SEG8 SEG9 SOSU 2 CN100 SUST 3 SEG0 4.7K 4.7K SW166 SW174 SEG1 D166 D174 EVQ21507K EVQ21507K MA165TA5 MA165TA5 QSTGT001AA QSTGT001AA PAGE DOWN 16 PAGE UP 16 SW151 SW159 SW167 SW175...
  • Page 122 SCHEMATIC DIAGRAM-16 MKB1 CIRCUIT HD74LS138P +VCC (3 TO 8 DECODER) 6.3V47 UNLESS OTHERWISE SPECIFIED: DIODES ARE MA165.
  • Page 123 SCHEMATIC DIAGRAM-17 MKB2 CIRCUIT HD74LS138P (3 TO 8 DECODER) +VCC UNLESS OTHERWISE SPECIFIED: DIODES ARE MA165.
  • Page 124 SCHEMATIC DIAGRAM-18 HD74LS138P (3 TO 8 DECODER) +VCC...
  • Page 125 SCHEMATIC DIAGRAM-19 JACK 1/2 CIRCUIT RMCON CIRCUIT RS1 B3RAD0000013 130uHx3 REMOTE SENSOR PEDAL IN SOFT SUST SOSU 130uHx3 MRXD MTXD 0.1P 0.1P AVSS VOUT AVSS 130uHx3 0.1P 130uHx3 R1 100 R2 10K +5IP RMCON R13 0 VIDEO OUT MIDI THRU 130uHx3 130uHx3 R/R+L...
  • Page 126 W6 QEXGEL06040B PEDAL CORD W5 QJLG021AA PKB P.C.B. SPEAKER BOX PEDAL JACK P.C.B. QEXGEL06090B QEXGVH03140B POWER SWITCH W1 QEXGVH06028B QEXGSS14025A QEXGSS08025A MAIN P.C.B. AS P.C.B./ ASUB P.C.B. CN13 CN17 MONITOR QEXGVH04115A QEXGSS14040A W4 QEXGZA34027A MONITOR CN18 W3 QEXGSS06075A CN11 CN10 CN16 W11 QEXGSS05100A W12 QEXGSS15025A...
  • Page 127 Assembly (PR804) Follow the steps below to assemble your Technics piano. Make sure you are using the correct parts and that they are in the correct direction. At least 2 people are required for assembly. To disassemble the piano, reverse the procedure. Remove the packing and take the parts out of the Secure the piano body to the stand.
  • Page 128 SCHEMATIC DIAGRAM-1 MAIN 1/5 CIRCUIT IORST A(0-25) D(0-31) +3.3D SELE.LED FDC.TC PMUT 4.7K 2SB709 100K USB.SD USB.ST USB.MAITU 2SD601 MIDI.TX 0.22 MIDI.RX RMCOM CP.CLK MN103002A MA111 4.7K (32bit MICRO-CONTROLLER) CP.DATA MA111 SD.CS R303 REAL.SDA A(0) A(1) +3.3D +3.3D A(2) Z20 4.7Kx4 A(3) Z35 4.7Kx4 A(0)
  • Page 129 +3.3D +3.3D +3.3D +3.3D Z34 4.7Kx4 Z43 4.7Kx4 D(0) D(16) C59 0.1 C60 0.1 D(1) D(17) D(2) D(18) D(3) D(19) Z36 4.7Kx4 Z44 4.7Kx4 D(4) D(20) IC12 IC12 D(5) D(21) TC7W08F TC7W08F D(6) D(22) D(7) D(23) IC12 IC13 TC7W08F 74VHC08 Z40 4.7Kx4 Z45 4.7Kx4 D(8)
  • Page 130 SCHEMATIC DIAGRAM-2 +3.3D +3.3D +3.3D C65 0.1 C72 0.1 C79 0.1 VCC VCC BYTE LCAS RESET A(21) BCAS RY/BY A(22) A(20) A(21) A(19) A(20) A(18) A(19) A(17) D(31) A(17) D(31) A(18) D(31) A(16) D(30) A(16) D(30) A(17) D(30) A(15) D(29) A(15) D(29) A(16)
  • Page 131 PORT.EX2 +3.3D +3.3D C84 0.1 VCC VCC BYTE BYTE D(21) D(20) A(21) A(21) D(19) DSP.INT3 A(20) A(20) D(18) DSP.CS A(19) A(19) D(17) DSP.RST A(18) A(18) D(16) DSP.INT A(17) A(17) RESET A(16) D(31) A(16) D(31) CLOCK A(15) D(30) A(15) D(30) A(14) D(29) A(14) D(29)
  • Page 132 SCHEMATIC DIAGRAM-3 MAIN 2/5 CIRCUIT +3.3D R120 IC41 R124 TC7W04 R121 1M IC40 +3.3D Z73 1Kx4 C112 H1A5005B0014 TC74HC04F +3.3D IC40 IC41 TC74HC04F TC7W04 R126 1M R117 R118 50MHz R122 SIDE R119 R128 H0J177500018 WPRT TRKO H0J240500016 C136 C143 C109 C122 C127 STEP...
  • Page 133 +3.3D C154 24 23 22 21 20 19 18 17 16 15 14 13 Z81 100x4 MEDIA IO0 D(23) MEDIA IO1 D(22) VDATA D(21) VGATE D(20) HDSEL C157 Z82 100x4 STEP C141 D(19) D(18) D(17) MTRI/IDLE D(16) DSI/PO MTRO DACK R163 C158 220P...
  • Page 134 SCHEMATIC DIAGRAM-4 LCD.WAIT FDC DRQ FDC TC UNR511N00L +3.3D FDC INT FDC DACK FDC CS 4.7K 4.7K TOC SNS CR.DATA R213 R218 CR.CLK 4.7K MA111 MA111 4.7K R202 CPRST 4.7K CN11 C177 R204 C170 +3.3D UNR521600L R211 R208 R201 7 DATA 4.7K C183 IC52...
  • Page 136 SCHEMATIC DIAGRAM-5 MAIN 3/5 CIRCUIT DSP.CS DSP.RST 2SB970 CKOUT C115 0.001 MIC.SNS 2SD601 IORST 2.2K C110 6V47 2SD601 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 DAC.ML MA2062LF DAC.MC DAC.MD EA(6)
  • Page 137 R278 2SB970 2SD601 2.2K R285 MA2QD0100L 120uH 2SB946P 1W0.33 6V47 R190 R286 C198 MA2062LF MA2QD8100L MA2QD0100L 2SB789 R199 MA111 C165 R287 6V1000 R182 2SD601 C174 6800P C275 50V1 D30 MA111 R247 120uH 2SB946P 1W0.33 C147 R158 R275 +15A MA2051LF 6V1000 MA2QD8100L R195 4.7K...
  • Page 138 SCHEMATIC DIAGRAM-6 C246 R241 R249 100K C257 C230 C232 16V10 C242 R280 50V1 +15A -15A C240 6V100 28 27 26 25 24 23 22 21 20 19 18 17 16 15 CN16 IC59 M5218AFP MSKS IC54 PCM1734 -15A R250 (DAC) +15A 100K 100P...
  • Page 140 SCHEMATIC DIAGRAM-7 MAIN 4/5 CIRCUIT SDIE(0-2) SDOE(0-1) KB(0) 100P KB(1) 100P KB(2) 100P KB(3) 100P +3.3D KB(4) 100P +3.3D Z8 4.7Kx4 KF(2) MA111 KS(2) MA111 KF(3) MA111 KS(3) MA111 Z9 4.7Kx4 KF(0) MA111 +3.3D KS(0) MA111 KF(1) MA111 KS(1) MA111 Z1 22Kx4 SD03 KS(3)
  • Page 141 +3.3D 3.3V AWAY(22) AWAY(21) C1BB00000709 AWAY(20) MASTER TONE AWAY(19) GENERATOR LSI AWAY(18) AWAY(17) +3.3D AWAY(16) AWAY(15) AWD(15) AWAY(14) AWD(14) AWAY(13) AWD(13) AWAY(12) AWD(12) AWAY(11) AWD(11) WCEV1 AWAY(10) AWD(10) WCEV0 AWAY(9) AWD(9) AWAY(0) AWAY(8) AWD(8) AWAY(1) WAY0 AWAY(7) AWD(7) Z28 47x4 WAY1 AWAY(6) AWD(6)
  • Page 142 SCHEMATIC DIAGRAM-8 IC21 C1BB00000709 (SUB TONE GENERATOR LSI) +3.3D +3.3D SD03 WCEV1 CKOUT WCEV0 SDSUB0 WAY0 SDSUB1 WAY1 SDSUB2 WAY2 SDSUB3 WAY3 BCKSUB WAY4 LRCKSUB WAY5 WAY6 WAY7 WAY17 WAY18 AVDD4 WAY20 WAY21 WAY19 WAY8 WAY9 WAY10 WAY11 WAY12 RSTOUT AGND3 WAY13 X1(16.9944MHz)
  • Page 143 +3.3D 3.3V BWAY(22) BWAY(21) BWAY(20) BWAY(19) BWAY(18) BWAY(17) BWAY(16) +3.3D BWAY(15) BWD(15) BWAY(14) BWD(14) BWAY(13) BWD(13) BWAY(12) BWD(12) BWAY(11) BWD(11) BWAY(10) BWD(10) WCEV1 BWAY(9) BWD(9) WCEV0 BWAY(8) BWD(8) BWAY(0) BWAY(7) BWD(7) BWAY(1) WAY0 BWAY(6) BWD(6) Z57 47x4 WAY1 BWAY(5) BWD(5) BWAY(2) WAY2 BWAY(4)
  • Page 144 SCHEMATIC DIAGRAM-9 MAIN 5/5 CIRCUIT R185 4.7K P30/R P51/WRA/BHE P53/BCLK P33/D R186 P54/BLDA P107/AN7/KI3 4.7K P106/AN6/KI2 P35/S R187 P56/ALE P105/AN5/KI1 4.7K P36/W P104/AN4/KI0 47x4 P37/R P60/TS/RTS0 P103/AN3 UTXD P102/AN2 URXD P101/AN1 CT52 AVSS R188 RT52 R230 P64/CTS1/RTS1/CTS0/CLKS1 P100/AN8 R307 47 UTXD P65/CLK1 VREF...
  • Page 145 USBMTX MIDI.RX USB.WAITM USB.WAITH USB.SI USB.SO USB.MSL R231 P30/RST P74/OBF1 P73/IBF1/WLDA R288 P33/DMAOUT P71//HOLD P70/SBF USB SBF R228 33 P35/STBCOUT USB+ R229 33 C222 R233 P36/WR USB- 1.5K P37/RD EXT.CAP UTXD2 C219 C223 50V2.2 URXD2 CT52 RT52 UTXD1 URXD1 P86/CTS1 P87/RTS1 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 IC49...
  • Page 146 SCHEMATIC DIAGRAM-10 AS CIRCUIT JACK 2/2 CIRCUIT POWER PRODUCTS FOR TRANSFORMER X XS XT XD XA QSRGT005AA BLUE 4700P BLACK JK6 L14 POWER QLQGT2T100SA CORD BLUE ERA1502V5 ERA1502V5 PRODUCTS FOR P PC ERA1502V5 4700P 3.3K LEDK 1.5K LEDA 130uHx3 JK6 L14 QLQGT2T100SA PRODUCTS FOR OTHERS QLQGT1B800MA...
  • Page 147 +VCC1 QLBG005A QLBG005A +VCC 2SD2374A-P MA4180TA SVDGS3V20-15 SVDGS3V20-15 MA4180T B1ACCF000041 +15A 16V100 63V10000 R105 50V1 MA4160MTA 16V10 6.8K 1502V5 R106 50V1 MA4160MTA 16V100 6.8K 02V5 -15A 16V100 SVDGS3V20-15 SVDGS3V20-15 63V10000 B1ACCF000041 MA4180TA 2SB1548A-P QLBG005A QLBG005A -VCC -VCC1 C14 10P SUMR 2SA1015TPE2 R16 100K +15HM...
  • Page 148 SCHEMATIC DIAGRAM-11 ASUB CIRCUIT +15A +VCC-A C102 680P R101 220 R105 R107 Q121 Q101 B1AACF000068 B1AACF000068 Q107 Q105 B1AACF000068 R104 4.7K 2SA970GTPE2 D104 W6E05 Q109 Q104 2SA1285FTA -15A -15A Q103 2SA1015TPE2 B1AACF000068 R109 +15A +15A -VCC -VCC-A +VCC +VCC-A D101 R110 MA165TA5VT GATE-A2...
  • Page 149 INV CIRCUIT CN5002 CN5001 R5015 L5001 QLBG005A R5001 R5002 R5003 R5004 R5005 R5006 R5007 R5008 R5010 L5002 QLBG005A VCON VCON R5009 R5011 DISP DISP R5012 C5001 L5003 QLBG005A L5004 T5001 QLQGT18101KA CN5004 QTDG005A R5014 4.7K R5013 4.7K C5004 C5002 6V220 C5003 Q5002 B1AAKD000008...
  • Page 150 SCHEMATIC DIAGRAM-12 CPL CIRCUIT +5IP M37471M2196S (8BIT MICROCOMPUTER) FAVORITES INTRO& WVRR ENDING2 WVRL TAP TEMPO INTRO& MAINR ENDING1 MAINL SW35 +5IP PIANO SIMPLE PERFORMANCE PAD3 PIANO SW34 SW10 PIANO PROGRESSIVE PERFORMANCE PAD6 PIANIST QRVG25P01B53 SW12 SEG0 SEG0 ONE TOUCH SYNCHRO EFOEC4004T3 SEG1 SEG1...
  • Page 151 SW13 SW14 NTRO& COUNT INTRO SEQUENCER VARIATION VARIATION FILL IN2 RESET ENDING2 &MSA 4 &MSA 3 SW19 SW20 SW17 RHYTHM RHYTHM SW18 NTRO& FADE GROUP GROUP FADE IN MEMORY LOAD MATCH&WALTS ENDING1 SW35 SW24 SW23 SW22 SW21 PIANO RHYTHM RHYTHM GROUP RHYTHM RHYTHM GROUP...
  • Page 152 SCHEMATIC DIAGRAM-13 CPR CIRCUIT +5IP M37471M2196S (8BIT MICROCOMPUTER) PART SEG0 SEG0 CONDUCTOR SELECT SEG1 SEG1 RIGHT1 RIGHT2 SW18 R1/R2 OCTAVE- +5IP SW19 TRANSPOSE SW12 PART CONDUCTOR SELECT LEFT LEFT SEG9 SEG9 SEG8 SEG8 SW13 PART CONDUCTOR SELECT EFOEC4004T3 RIGHT2 RIGHT1 SW22 R1/R2 OCTAVE+...
  • Page 153 SW33 SW25 SW41 SW49 SOUND PIANO PANEL ORGAN& GROUP ACCORDION BASS UPRIGHT MEMORY4 SW34 SW18 SW26 SW42 SW50 R1/R2 PANEL SAX& MALLET& PIANO OCTAVE- WOODWIND ORCHPERC GRAND MEMORY5 SW27 SW43 SW51 SOUND SW19 SW35 GROUP PIANO PANEL TRANSPOSE+ DRUM KITS SYNTH ELECTRIC MEMORY3...
  • Page 154 SCHEMATIC DIAGRAM-14 SW81 SW57 EFFECT BRILLIANCE REVERB SW82 SEQUENCER PLAY SW59 SW83 DIGITAL EFFECT EFFECT CHORUS SW84 SW60 MULTI SOLO EFFECT SW85 SW61 SEQUENCER EASY REC SW86 SW62 PROGRAM NEXT BANK MENUS SW87 SW63 DISC BANK VIEW LOAD SW88 SW64 THEATER TECHNI-CHORD SONIC...
  • Page 155 CPCL CIRCUIT SEG6 SEG7 SEG8 SEG9 SW150 SW158 SW166 SW174 D150 D158 D166 D174 EVQ21507K EVQ21507K EVQ21507K EVQ21507K MA165TA5 MA165TA5 MA165TA5 MA165TA5 CN100 CPL 1 OTHER PARTS/TR PAGE DOWN 1 PAGE UP 1 SW151 SW159 SW167 SW175 D151 D159 D167 D175 EVQ21507K EVQ21507K...
  • Page 156 SCHEMATIC DIAGRAM-15 CPCR CIRCUIT SEG0 SEG1 SEG8 SEG9 CN100 SEG0 SW166 SW174 SEG1 D166 D174 EVQ21507K EVQ21507K MA165TA5 MA165TA5 PAGE DOWN 16 PAGE UP 16 SW151 SW159 SW167 SW175 D151 D159 D167 D175 EVQ21507K EVQ21507K EVQ21507K EVQ21507K MA165TA5 MA165TA5 MA165TA5 MA165TA5 CPR 1 PAGE UP...
  • Page 157 PKB CIRCUIT PEDAL CORD SOFT 1 SOSU 2 SUST 3 4.7K 4.7K QSTGT001AA QSTGT001AA GP2S24BC 2SA1015-GR 0.015 2SC1815GR 2SC1815GR 220K 120K QSTGT001AA 220K 4.7K 120K 2.2K HP/MIC CIRCUIT C5 47P R8 100K 130uHx3 2.2K 4.7K 50N1 100K 0.0068 +VCC M5218AL (OP.AMP) -VCC 50N1...
  • Page 158 SCHEMATIC DIAGRAM-16 MKB1 CIRCUIT HD74LS138P +VCC (3 TO 8 DECODER) 6.3V47 UNLESS OTHERWISE SPECIFIED: DIODES ARE MA165.
  • Page 160 SCHEMATIC DIAGRAM-17 MKB2 CIRCUIT UNLESS OTHERWISE SPECIFIE DIODES ARE MA165.
  • Page 161 RCUIT HD74LS138P (3 TO 8 DECODER) +VCC THERWISE SPECIFIED: RE MA165.
  • Page 162 SCHEMATIC DIAGRAM-18 HD74LS138P (3 TO 8 DECODER) +VCC...
  • Page 164 SCHEMATIC DIAGRAM-19 JACK 1/2 CIRCUIT 130uHx3 PEDAL IN SOFT SUST SOSU 130uHx3 MRXD MTXD 0.1P 0.1P AVSS VOUT AVSS 130uHx3 0.1P 130uHx3 R13 0 VIDEO OUT MIDI THRU 130uHx3 130uHx3 R/R+L 220P MIDI OUT 130uHx3 0.1P 220P SVIGTLP513 (PHOTO COUPLER) MIDI IN 130uHx3 0.047P...
  • Page 165 RMCON CIRCUIT RS1 B3RAD0000013 REMOTE SENSOR R1 100 R2 10K +5IP RMCON 6V100...

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