Yamaha PSR-S550 Service Manual Download | Manualshive

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PSR-S550/PSR-S550B

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L80

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L70

L80

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L40

L20

L20a

L20b

L30a

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70

L80

Lower Case Sub Assembly

（下ケースサブAss'y)

■

LOWER CASE ASSEMBLY

（下ケース

Ass’y

）

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Summary of Contents for PSR-S550

Page 1: ...OARD LAYOUT WIRING 6 EXTENSION CABLE FOR SERVICE USE 7 BLOCK DIAGRAM 8 DISASSEMBLY PROCEDURE 9 LSI PIN DESCRIPTION LSI 16 IC BLOCK DIAGRAM IC 20 CIRCUIT BOARDS 21 TEST PROGRAM 33 INITIALIZATION 37 DAT...

Page 2: ...ic discharges can destroy expensive components Discharge any static electricity your body may have accumulated by grounding yourself to the ground bus in the unit heavy gauge black wires connect to th...

Page 3: ...me Song Control A B REPEAT PAUSE REW FF START STOP Recording Song User Song 5 Songs Recording Tracks 1 16 STYLE MIDI Local On Off Initial Setup External Clock Keyboard Out Style Out Song Out Auxiliary...

Page 4: ...STYLE o STYLE CONTROL OTS LINK AUTO FILL IN ACMP INTRO I III MAIN VARIATION A D ENDING rit I III SYNC STOP SYNC START START STOP buttons 0 SONG CONTROL A B buttons 1 TRANSPOSE and buttons 2 METRONOME...

Page 5: ...button 5 MDB button 6 FILE MENU button 7 FUNCTION button 8 ONE TOUCH SETTING 1 4 buttons 9 VOICE 0 VOICE CONTROL LEFT DUAL HARMONY TOUCH SUSTAIN DSP buttons 1 UPPER OCTAVE and buttons 2 PITCH BEND whe...

Page 6: ...PSR S550 PSR S550B CIRCUIT BOARD LAYOUT WIRING 61L 61H ENC PNC DM MVR PB PSW 500 510 530 TW TW JACK 550 W401 540 PNR 30 L30 L40 L50 PNL AM 520 560 Upper Case Assembly Ass y Lower Key Bed Assembly Ass...

Page 7: ...220 10 L40 WE13870R MK2 DM CN803 61H CN2 5P L 250 11 L50 WE13880R MK3 DM CN802 61L CN5 7P L 190 12 W401 WJ45910 1 GND JACK Soldered FG L 70 1 The parts with in Part No are not available as service par...

Page 8: ...PD6 SDO0 WCLK BCLK SYSCLK PK0 PK1 B C AN3 PD7 6 5 A 39 RxD0 PD3 PEDAL VEE1 LCD_OFF LCD_IC CS4 WE0 RD D 0 7 A 0 15 CS0 CS5 CS3 D 0 15 D 0 15 A 1 20 A 1 14 DTA WP WE1 RD H RES PRG WP D 0 15 A 1 23 WE1...

Page 9: ...ked 100A and the two 2 screws marked 90 The lower case assembly can then be removed Fig 2 1 Ass y 2 1 1 80A 6 100A 2 90 2 Ass y 2 Fig 1 1 Fig 2 2 80 Bind Head Tapping Screw B 3 0X12 MFZN2W3 WE98740R 9...

Page 10: ...ned together with a GND terminal Fig 4 3 4 Remove the five 5 screws marked 380A and the two 2 screws marked 385 The JACK circuit board can then be removed Fig 3 2 AM 3 2 1 Ass y 1 2 2 380B 5 AM 3 3 JA...

Page 11: ...4 380L 4 5 6 ENC 4 6 1 Ass y 1 6 2 6 6 3 380F 4 ENC 4 380L LCD Unit Upper Case Assembly Ass y 380L Bind Head Tapping Screw B 3 0X8 MFZN2W3 WE774301 Fig 5 5 5 LCD Unit Time required About 5 minutes 5...

Page 12: ...removed Fig 3 The tweeters L and R can be removed in the same manner 9 Wheel Assembly PB MVR PNL PNC PNR Circuit Boards 9 1 Remove the lower case assembly See procedure 1 9 2 Remove the two 2 screws...

Page 13: ...unlike the other keys is not integrated in a set Fig 8 11 4 2 To remove a set remove the four 4 each screws marked 120A The white and black keys in the set can then be removed Fig 8 When removing unf...

Page 14: ...WF49200R Fig 8 8 Hook Rubber contact 61H Fig 9 9 C6 Key C6 One octave 1 C1 B1 One octave 1 C2 B2 One octave 1 C3 B3 One octave 1 C4 B4 One octave 1 C5 B5 120A 120A 120A 120A 120A 120B C1 C2 B2 C3 B3...

Page 15: ...t board MK H can then be removed Fig 8 When installing the 61H circuit board MK H tighten the screws 1 through 8 in numerical order as shown in the figure 61H in Fig 10 Fig 10 61L 61L 61L 61L 61L MK L...

Page 16: ...ME 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 S1 S2 S3 S4 S5 VREF VDD OSC2 OSC1 VSS XI XO MMOD RD0 RXD D0 D1 D2 D3 D4 RST D5 D6 D7 D8 D9 S6 S7 S8 S9 S10 S11...

Page 17: ...reset Power supply 3 3 V USB pull up enable Power supply 3 3 V USB output control E bus reset output SH2A CPU chip select 1 SH2A CPU chip select 3 SH2A CPU chip select 6 Emulator break Power supply 3...

Page 18: ...17 U18 U19 U20 V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 V11 V12 V13 V14 V15 V16 V17 V18 V19 V20 W1 W2 W3 W4 W5 W6 W7 W8 W9 W10 W11 W12 W13 W14 W15 W16 W17 W18 W19 W20 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9 Y10 Y11 Y12 Y13...

Page 19: ...it output Power supply Input pin for S1D 13700 setting Address strobe Address bus S1D13700F01A100 X5422A00 LCD CONTROLLER DM IC4 PIN NO I O FUNCTION NAME PIN NO I O FUNCTION NAME 1 2 3 4 5 6 7 8 9 10...

Page 20: ...SHORT PROTECTOR OUTPUT PIN TO VCC SHORT PROTECTOR OUTPUT PIN TO VCC SHORT PROTECTOR OUTPUT PIN TO GND SHORT PROTECTOR OUTPUT PIN TO GND SHORT PROTECTOR PREDRIVER PREDRIVER POWER POWER OVER VOLTAGE SUR...

Page 21: ...X2336B0 32 AM Circuit Board X7722C0 24 DM Circuit Board X9574B0 22 ENC Circuit Board X7722C0 25 JACK Circuit Board X7722C0 25 MVR Circuit Board X7722C0 24 PB Circuit Board X7722C0 24 PNC Circuit Boar...

Page 22: ...22 PSR S550 PSR S550B DM Circuit Board Component Side 2NA WH33370 to AM CN104 to PNL CN103 to LCD Unit Not installed to 61L CN5 to ENC CN301 to 61H CN1 to 61H CN2 to JACK CN403 Not installed...

Page 23: ...23 PSR S550 PSR S550B Pattern Side 2NA WH33370 DM Circuit Board...

Page 24: ...S550B Component Side to LCD Backlight to JACK CN451 to DM CN901 AM Circuit Board MASTER VOLUME PITCH BEND MVR Circuit Board PB Circuit Board Component Side Component Side AM 2NA WH33410 MVR 2NA WH3341...

Page 25: ...10 TW 2NA WH33410 LCD CONTRAST SUSTAIN TO DEVICE TO HOST USB PHONES OUTPUT DC IN 16V to AM CN101 to DM CN501 to Woofer L to Woofer R STANDBY ON to DM CN702 Rotary Encoder TWL to Tweeter L TWL to Tweet...

Page 26: ...TEMPO TRANSPOSE WORLD USER ENDING 1 ENDING 2 ENDING 3 SYNC STOP SYNC START START STOP BALLROOM MOVIE SHOW INTRO 1 INTRO 2 INTRO 3 VARIATION A VARIATION B VARIATION C VARIATION D AUTO FILL IN SONG MODE...

Page 27: ...27 PSR S550 PSR S550B 2NA WH33400 B B B B to DM CN701 to PNC CN202 to PNR CN301 Pattern Side PNL Circuit Board...

Page 28: ...SR S550 PSR S550B PNC Circuit Board Component Side A A A A REGIST PART MEMORY REGIST BANK MEMORY 1 MEMORY 2 MEMORY 3 MEMORY 4 MEMORY 5 MEMORY 6 MEMORY 7 MEMORY 8 EXIT CATEGORY NO YES CATEGORY 2NA WH50...

Page 29: ...29 PSR S550 PSR S550B 2NA WH50940 to PNL CN101 B B B B Pattern Side PNC Circuit Board...

Page 30: ...O STRINGS GUITAR BASS SAXOPHONE FLUTE WOODWIND LEFT DUAL FUNCTION FILE MENU ONE TOUCH 1 ONE TOUCH 2 ONE TOUCH 3 ONE TOUCH 4 ORGAN CHOIR ACCORDION HARMONICA PERCUSSION DRUM KIT PAD SYNTH FX HARMONY TOU...

Page 31: ...31 PSR S550 PSR S550B B B B B to PNL CN102 Pattern Side 2NA WH50940 PNR Circuit Board...

Page 32: ...32 PSR S550 PSR S550B B B B B to DM CN802 to 61H CN3 to DM CN801 to 61L CN4 to DM CN803 A A A A 61H Circuit Board 61L Circuit Board 61H 2NAKB V869540 61L 2NAKB V869520...

Page 33: ...USB MIDI driver 1 in PC and finish the THROUGH setup 1 Obtain the USB MIDI driver from CD ROM X9448A00 for PSR S550 PSR S550B or Yamaha official website URL http www yamahapkclub com B HOW TO ENTER T...

Page 34: ...0 0 dBu PHONES R 70 0 dBu dBu dBm 9 009 Output R Connect the level meter with a JIS C filter to the PHONES OUTPUT jack 33 load Set the MASTER VOLUME at maximum and check the output level 1 kHz sine wa...

Page 35: ...ect the TO DEVICE and TO HOST terminals using a USB cable Make sure that the LCD display changes to USB Connect2 2 Remove the USB cable from the TO DEVICE terminal and insert a USB flash memory into t...

Page 36: ...ES NO EXECUTE MDB FILE MENU FUNCTION PIANO GUITAR BASS ORGAN CHOIR ACCORDION HARMONICA E PIANO SAXOPHONE TRUMPET PAD C2 C 2 D2 D 2 E2 F2 F 2 G2 G 2 A2 A 2 B2 C3 C 3 D3 D 3 E3 F3 F 3 G3 G 3 A3 A 3 B3 C...

Page 37: ...e keyboard and the three highest black keys and then turn the power on by pressing the STANDBY ON switch MEMORY Clear To clear backup data to the internal memory simultaneously hold the highest white...

Page 38: ...You can go to the FILE CONTROL display from which you can access USB flash memory operations by pressing the FILE MENU button from this display Do not press this button now but only when instructed t...

Page 39: ...uring this operation CAUTION If the USB flash memory device has been write protected an appro priate message will appear in the display and you will not be able to execute the operation NOTE After con...

Page 40: ...cified the display prompts you for confir mation Press EXECUTE or YES if it is OK to overwrite the file or NO to cancel The amount of time it will take to perform the save operation depends on the par...

Page 41: ...the YES button and the save operation will begin The user Song will be stored to the USER FILE folder in the USB flash memory device 10 A message appears in the display indicating that the operation...

Page 42: ...y during this operation CAUTION With the USB flash memory device containing the file you want to load connected to the USB TO DEVICE connector check that the CONNECT message is shown in the MAIN displ...

Page 43: ...283Pin PD6 H IC7 V8 264Pin PD7 H IC7 W8 284Pin PG2 H IC7 P2 198Pin PG7 H IC7 N4 190Pin Release peripheral ICs reset LCD IC H IC20 4Pin Release peripheral ICs reset DAC IC H IC20 6Pin Release periphera...

Page 44: ...YAMAHA Digital Keyboard Date 11 APR 2008 Model PSR S550 MIDI Implementation Chart Version 1 0 Transmitted Recognized Remarks Function Basic Default 1 16 1 16 Channel Changed Default 3 3 Mode Messages...

Page 45: ...Universal System Exclusive The values of mm is used for MIDI Master Volume Values for ll are ignored XG Master Tuning F0H 43H 1nH 4CH 00H 00H 00H ddH ddH ddH F7H This message simultaneously changes th...

Page 46: ...n model M South African model The numbers in QTY shows quantities for each unit The parts with in Part No are not available as spare parts The second letter of the shaded part number is I not one The...

Page 47: ...0 80 80 90 100 100 110 60 50 Music Rest AC Adaptor PA 301 AC PA 301 This figure shows Japanese model Lower key bed assembly Ass y Upper Case Assembly See page 4 Ass y 4 Lower Case Assembly See page 8...

Page 48: ...ASSEMBLY LOWER CASE F KEYBOARD ASSEMBLY WIRING ASSEMBLY WIRING ASSEMBLY WIRING ASSEMBLY RUBBER INSULATOR NONWOVEN FABRIC CLOTH ACCESSORIES MUSIC REST CD ROM MLUTI AC ADAPTER AC ADAPTER AC ADAPTER AC...

Page 49: ...80 380 380 380 380 320 380 380 380 380 380 385 450 500 510 520 540 390 550 560 570 530 370 180 130 150 200 220 230 240 390 390 310 330 355 310a 310b 250 390 390 390 390 390 260 270 280 290 300 290 210...

Page 50: ...D CIRCUIT BOARD CIRCUIT BOARD CIRCUIT BOARD LCD UNIT WHEEL ASSEMBLY WHEEL WHEEL SPRING CIRCUIT BOARD GREASE DC JACK PLATE DUST PROOF CLOTH SPONGE BIND HEAD TAPPING SCREW B BIND HEAD TAPPING SCREW B FI...

Page 51: ...EN FABRIC CLOTH CUSHION BINDING TIE WIRING ASSEMBLY WIRING ASSEMBLY WIRING ASSEMBLY FERRITE CORE SPONGE SPONGE WIRING ASSEMBLY WIRING ASSEMBLY FERRITE CORE SPONGE9 WIRING ASSEMBLY WIRING ASSEMBLY SPON...

Page 52: ...CONTACT FELT L FELT U CUSHION SHEET BIND HEAD TAPPING SCREW B BIND HEAD TAPPING SCREW P BIND HEAD TAPPING SCREW P CIRCUIT BOARD CIRCUIT BOARD WIRING ASSEMBLY 16N C61 2M 16N C E G B 16N C E G B 16L D F...

Page 53: ...PSR S550 PSR S550B 8 10 30 20 40 L10 L80 L30 L40 L40 L50 L60 L60 L70 L70 L70 L80 L80 L70 L50 L40 L40 L20 L20a L20b L30a L30b 40 20 70 L80 Lower Case Sub Assembly Ass y LOWER CASE ASSEMBLY Ass y...

Page 54: ...ND HEAD TAPPING SCREW B FILAMENT TAPE LOWER CASE SUB ASSEMBLY LOWER CASE R SPEAKER BOX ASSEMBLY SPEAKER BOX SEALING TAPE SP SPEAKER BOX ASSEMBLY SPEAKER BOX SEALING TAPE SP BIND HEAD TAPPING SCREW B R...

Page 55: ...CAP POLYESTER MULTLAY CAP POLYESTER FILM CAPACITOR POLYESTER FILM CAPACITOR POLYESTER FILM CAPACITOR POLYESTER FILM CAPACITOR ELECTROLYTIC CAPACITOR ELECTROLYTIC CAPACITOR ELECTROLYTIC CAPACITOR ELECT...

Page 56: ...ECTOR CONNECTOR BASE PIN BASE PIN CABLE HOLDER BASE PIN CABLE HOLDER BASE PIN CABLE HOLDER BASE PIN CABLE HOLDER USB CONNECTOR USB CONNECTOR USB CONNECTOR USB JACK USB CONNECTOR FFC CONNECTOR CONNECTO...

Page 57: ...ITCH MULTI FUSE MF R185 2 1 85A PROTECTOR SWITCH TRANSISTOR ROTARY VARIABLE RESISTOR ROTARY VARIABLE RESISTOR ROTARY VARIABLE RESISTOR WIRING ASSEMBLY WIRING ASSEMBLY WIRING ASSEMBLY WIRING ASSEMBLY W...

Page 58: ...B CHIP CERAMIC CAPACITOR B CHIP ELECTROLYTIC CAPACITOR ELECTROLYTIC CAPACITOR CERAMIC CAPACITOR SL CHIP CERAMIC CAPACITOR SL CHIP CHIP CERAMIC CAPACITOR CERAMIC CAPACITOR SL CHIP CERAMIC CAPACITOR SL...

Page 59: ...FFC CONNECTOR FPC CONNECTOR FFC CONNECTOR FPC CONNECTOR CONNECTOR BASE PIN CONNECTOR BASE PIN CONNECTOR BASE PIN CONNECTOR BASE PIN FFC CONNECTOR FPC CONNECTOR DIODE DIODE DIODE DIODE DIODE DIODE ARRA...

Page 60: ...1 16 CHIP CARBON RESISTOR 1 16 CHIP CARBON RESISTOR 1 16 CHIP CARBON RESISTOR 1 16 CHIP CARBON RESISTOR 1 16 CHIP CARBON RESISTOR 1 16 CHIP CARBON RESISTOR 1 16 CHIP CARBON RESISTOR 1 16 CHIP CARBON...

Page 61: ...CHIP CARBON RESISTOR 1 16 CHIP CARBON RESISTOR 1 16 CHIP CARBON RESISTOR 1 16 CHIP CARBON RESISTOR 1 16 CHIP CHIP RESISTOR 1 16W CARBON RESISTOR 1 16 CHIP CHIP RESISTOR 1 16W CARBON RESISTOR 1 4 CHIP...

Page 62: ...NNECTOR FFC FPC CONNECTOR FFC FPC DIODE DIODE DIODE DIODE IC LED CHIP LED CHIP LED CHIP LED CHIP LED CHIP LED CHIP LED CHIP LED CHIP LED CHIP LED CHIP LED CHIP LED CHIP LED CHIP LED CHIP LED CHIP LED...

Page 63: ...BASE PIN CONNECTOR BASE PIN CONNECTOR BASE PIN DIODE DIODE AC ADAPTER AC ADAPTER AC ADAPTER AC ADAPTER AC ADAPTER SPEAKER TWEETER 47 0K 63M J RECT 47 0K 63M J RECT 100 0 63M J RECT 100 0 63M J RECT TD...

Page 64: ...PSR S550 PSR S550B 19 RANK Japan only New Parts REF NO PART NO DESCRIPTION REMARKS QTY RANK YA372A00 WN744800 SPEAKER WOOFER LCD UNIT 2...

Page 65: ...vertical direction WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed Page1 CONTENTS PB 3 MVR 3 PNC 4...

Page 66: ...l to those originally installed Page2 DM 2 2 28CC1 2001035401 2 CPU SWX02 CPU SWX02 INVERTER P2ROM 256M WAVE DAC OP AMP AND AND AND AND USB HIGH SIDE SWITCH DC DC CONVERTER CPU SWX02 XTAL 16 9344MHz I...

Page 67: ...r Capacitor Ceramic Capacitor 28CC1 2001009321 1 2 TW L TW R WF L WF R 28CC1 2001009321 1 2 28CC1 2001009321 1 2 28CC1 2001009321 1 2 28CC1 2001009321 1 2 28CC1 2001009321 1 2 MVR AM PB ENC PSW TW 28C...

Page 68: ...WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed Page4 28CC1 2001009323 1 1 PNR PNC C4 C6 C1 B3 61...

Page 69: ...PSR S550B PSR S550 PSR S550B Note See parts list for details of circuit board component parts Ceramic Capacitor WARNING Components having special characteristics are marked and must be replaced with p...

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