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Yamaha Portatone PSR-VN300, Service Manual

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Yamaha Portatone PSR-VN300 Service Manual Download Page 7

PSR-VN300

7

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DISASSEMBLY PROCEDURES

[240A] : Bind Head Tapping Screw-B 3x12 MFZN2W3 (WE987400)

[270A] : Bind Head Screw 3x30 MFZN2W3 (WF491000)

[320] :

Bind Head Screw 3x20 MFZN2W3 (WF489300)

Fig. 1

Caution:

Be sure to attach the removed filament tape just as it was before removal.

1.

Lower Case Assembly
(Time required: About 1 minute)

1-1

Remove the five (5) screws marked [240A], two (2) screws marked [270A], and two (2) screws marked [320].

The lower case assembly can then be removed. (Fig. 1)

[270A]

[240A]

[270A]

[240A]

[240A]

[320]

[320]

•

Bottom view

Lower Case Assembly

•

Top view

Speaker Grille L

Speaker Grille R

Knob (Master Volume)

Summary of Contents for Portatone PSR-VN300

Page 1: ...C BLOCK DIAGRAM 15 CIRCUIT BOARDS 16 TEST PROGRAM 20 BACKUP INITIALIZATION 22 TRANSFERRING DATA BETWEEN THE PSR VN300 and a COMPUTER 23 MIDI IMPLEMENTATION CHART 26 MIDI DATA FORMAT 27 PARTS LIST OVERALL CIRCUIT DIAGRAM CONTENTS PK 001781 Copyright c Yamaha Corporation All rights reserved 07 04 HAMAMATSU JAPAN PSR E313 200702 xxxxxx PSR VN300 ...

Page 2: ... and changes in specifica tion are subject to change without notice or obligation to retrofit Should any discrepancy appear to exist please contact the distributor s Service Division WARNING Static 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 this bu...

Page 3: ...PSR VN300 3 SPECIFICATIONS ...

Page 4: ... NO DEMO button METRONOME ON OFF button A B REPEAT button ACMP ON OFF button 1 2 3 4 5 6 7 8 9 0 A B C D REW button INTRO ENDING rit button FF button MAIN AUTO FILL button TEMPO TAP button REC button PAUSE button SYNC START button START STOP button PORTABLE GRAND button MUSIC DATABASE button REVERB ON OFF button SPLIT ON OFF button DUAL ON OFF button HARMONY ON OFF button TOUCH ON OFF button Drum ...

Page 5: ...LCD CN833 PNAM1 3 CN101 PNAM1 3 CN102 DMLCD CN131 PNAM3 3 CN402 Speaker L Speaker R DMLCD CN531 PNAM2 3 CN502 DMLCD CN631 61L CN4 12P 5P 7P 3P 2P 11P L 170 5P L 120 2P L 280 2P L 220 16P L 100 10P L 340 9P L 70 12P L 210 WE138500 WE138700 WE138800 WE15140 WE14140 WE13910 WE13900 WE14120 WE14130 WE14080 WE13970 WE14060 V8696200 Remarks Destination Location Parts No Connector Assembly No PNAM 61 L 6...

Page 6: ...ER R SPEAKER L MASTER VOLUME PHONES OUTPUT DC IN 12V 2 5V 2 5V 3 3D 3 3D 3 3D 3 3D 5D 3 3D 5D 5D 5A1 5A1 5A2 5A2 L R L R B IC101 3P IC132 3P IC431 16P IC432 8P IC701 80P IC131 3P TR101 102 4Ω 12cm 4Ω 12cm RXD0 TXD0 SCLK PF0 IRQ0 Power SS PF0 Power Select IRQ0 Power SS PF0 Power Select SDO SYSCK BCLK WCLK PB0 PB7 PA0 PA7 PA0 PA7 RS ENB MD00 15 MA01 22 UWR CAS LWR LUAS LCAS MD00 15 MA01 09 MD00 15 M...

Page 7: ...sure to attach the removed filament tape just as it was before removal 1 Lower Case Assembly Time required About 1 minute 1 1 Remove the five 5 screws marked 240A two 2 screws marked 270A and two 2 screws marked 320 The lower case assembly can then be removed Fig 1 270A 240A 270A 240A 240A 320 320 Bottom view Lower Case Assembly Top view Speaker Grille L Speaker Grille R Knob Master Volume ...

Page 8: ... Connector Rubber Connector DMLCD LCD Rubber Connector Back Light Assembly LCD Holder Bottom view 30 30 A A PNAM 2 3 PNAM 1 3 3 3 PNAM 150C 150B 150A 150B 270B 150B 150C 240C Lower Case Keyboard Assembly 240C DMLCD 240B 240B 3 1 4 7 5 8 6 2 30 Bind Head Tapping Screw B 4x8 MFZN2W3 WE974600 150A Bind Head Tapping Screw B 3x8 MFZN2W3 WE774300 150B Bind Head Tapping Screw B 3x8 MFZN2W3 WE774300 150C ...

Page 9: ...4 2 4 3 2 Remove the twelve 12 screws marked 150B The PNAM circuit board 1 3 can then be removed Fig 2 4 4 PNAM circuit board 2 3 Time required About 3 minutes 4 4 1 Remove the nine 9 screws marked 150C The PNAM circuit board 2 3 can then be removed Fig 2 5 Speaker Time required About 3 minutes 5 1 Remove the lower case assembly See procedure 1 5 2 Remove the four 4 screws marked 30 The speaker ca...

Page 10: ...e black key to lift it 8 3 To remove the white key C6 remove the screw marked 200B press the hook at the back to lift slightly and pull forward to remove the hook to lift it Fig 5 9 Rubber Contact 9 1 Remove the lower case keyboard assembly See procedure 7 9 2 Remove the keyboard corresponding to the rubber contacts to be removed See procedure 8 9 3 Remove the rubber contacts Photo 2 Fig 5 Photo 1...

Page 11: ...0 3 1 Remove the keyboards from C4 to C6 See procedure 8 10 3 2 Remove the three 3 screws marked 180B and five 5 screws marked 190B The circuit board 61H can then be removed Fig 6 1 When installing the circuit board 61H tighten the screws 1 through 8 in numerical order Fig 6 2 Fig 6 1 Fig 6 2 Top view 180A 190A 180A 180A 180A 180B 180B 180B 190A 190B 61L 61H Rubber Contact Rubber Contact Rubber Co...

Page 12: ...tly and slide it in the upper right direction to remove it Fig 8 11 6 Remove the hook for the spring terminal B to pull it out from inside Fig 8 B Spring Terminal C Spring Terminal D 11 1 Remove the battery lid assembly at the bottom side of the lower case keyboard assembly 11 2 Remove the hooks to pull out the spring terminal C and spring terminal D Fig 8 Fig 9 Fig 8 Fig 9 Photo 3 Fig 7 Bottom vi...

Page 13: ...rt A 52 PA4 I O 53 PA5 I O 54 PA6 I O 55 PA7 I O 56 VSS Ground 57 PB0 I O 58 PB1 I O 59 PB2 I O 60 PB3 I O Parallel port B 61 PB4 I O 62 PB5 I O 63 PB6 I O 64 PB7 SYI I O Parallel port B 65 VSS Ground 66 IOVDD Power supply 67 LBN LWRN PF6 O Low byte enable 68 UBN UWRN PF7 O Upper byte enable 69 RDN PF4 O Read enable 70 MD00 I O 71 MD08 I O 72 MD01 I O 73 MD09 I O Memory data bus 74 MD02 I O 75 MD1...

Page 14: ...scillator Power supply Data latch clock Data shift clock Power supply 5 V Altamated signal for LCD driver outout Display data interface Read write Enable Data interface Data interface FUNCTION PIN NO 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 I O I O I O I O I O I O I O O O O O O O O O O O O O O O O O O O O O O O O O O O ...

Page 15: ...11 8 7 8 10 9 CSN CCLK CCLK CDTI CDTI LRCK LRCK BICK BICK SDTI SDTI PDN PDN VDD MCLK MCLK VSS DZFL DZFR AOUTL AOUTL AOUTR AOUTR VDD VSS DZFL DZFR AOUTL AOUTL AOUTR AOUTR Σ Modulator Σ Modulator µP Interface De emphasis Control Clock Divider Audio Data Interface 8X Interpolator 8X Interpolator SCF SCF CSN 1 2 3 4 V 8 7 6 5 A Output V A INPUT V V B Output B INPUT B INPUT A INPUT 1 2 3 4 5 6 7 A A Se...

Page 16: ...ircuit Board X2336B0 19 CIRCUIT BOARDS Note See parts list for details of circuit board component parts to PNAM2 3 CN502 to BATTERY to SPEAKER L to DMLCD CN131 to PNAM3 3 CN402 to LCD BACK LIGHT PHONES OUTPUT DC IN 12V LISTEN LEARN TIMING WATING START STOP SYNC START CLEAR TEMPO TAP LESSON PART R LESSON PART L STANDBY ON FF REW A B REPEAT PNAM1 3 Circuit Board Component side 2NA WE00540 1 ...

Page 17: ... KIT PEVERB ON OFF SPLIT ON OFF DUAL ON OFF HARMONY ON OFF TOUCH ON OFF METRONOME ON OFF DEMO 7 4 1 0 8 5 2 9 6 3 SUSTAIN MIDI OUT IN to DMLCD CN631 to DMLCD CN531 to PNAM1 3 CN401 MASTER VOLUME PNAM3 3 Circuit Board PNAM2 3 Circuit Board PNAM2 3 2NA WE00540 1 PNAM3 3 2NA WE00540 1 Component side Component side ...

Page 18: ...PSR VN300 18 to PNAM2 3 CN601 to PNAM2 3 CN501 to 61H CN2 to 61H CN1 to 61L CN5 to PNAM1 3 CN103 not installed DMLCD Circuit Board 2NA WE00520 1 Component side Pattern side ...

Page 19: ...PSR VN300 19 B B to DMLCD CN833 to 61H CN3 B B to DMLCD CN831 to 61L CN4 to DMLCD CN832 A A A A 61H Circuit Board 61L Circuit Board 61H 2NAKB V869540 61L 2NAKB V869520 Component side Component side ...

Page 20: ...utton of the number buttons to select the next test item A cursor _ is shown below the first character of the item for which the test results are OK If the results are NG press the lowest key in the keyboard white key C1 to return to the item selection display 4 Test program list Test No 1 2 3 4 5 6 LCD display 001 Version 002 Rom Chk1 003 Ram Chk1 006 FRomChk1 011 TG1 Chk 013 Pit Chk Test descrip...

Page 21: ...s released Make sure that PD1 OK is displayed on the LCD when finished Connect the MIDI IN jack and MIDI OUT jack with a MIDI cable and then execute the test Make sure that C4 is played and MIDI OK is displayed on the LCD Checks the ROM connected to the CPU bus Make sure that Rom OK is displayed on the LCD It will take about 10 seconds for the check Checks the RAM connected to the CPU bus Make sur...

Page 22: ...mory and restores the initial default settings The following initialization procedures are provided Backup Clear To clear data backed up to the internal flash memory described above turn the power on by pressing the STANDBY ON switch while holding the highest white key on the keyboard The backed up data will be erased and the default values restored CAUTION When you execute the Backup Clear operat...

Page 23: ...ic yamaha com download The minimum computer requirements for Musicsoft Downloader operation are as follows OS Windows 98SE Me 2000 XP Home Edition XP Professional CPU 233 MHz or higher Intel Pentium Celeron processor family 500 MHz or more is recommended Memory 64 MB or more 256 MB or more is recommended Hard Disk at least 128 MB of free space at least 512 MB of free space is recommended Display 8...

Page 24: ...ormat SMF Format 0 File 07PK3 BUP Backup file mid MIDI Song sty Style File The Musicsoft Downloader application may not be able to access the instrument in the following cases During Style playback During Song playback Close the window to exit from the Musicsoft Downloader and re enable control of the instrument NOTE CAUTION Use the power adaptor when transferring data The data can be corrupted if...

Page 25: ...e all Songs transferred from the computer use flash clear function on page 22 To erase specific Songs transferred from the computer use the Delete function on Musicsoft Downloader Using Transferred Songs for Lessons In order to use Songs only SMF format 0 transferred from a computer for lessons it is necessary to specify which channels are to be played back as the right hand and left hand parts Th...

Page 26: ... o Expression 64 o o Sustain Change 71 73 74 x o Prog o 0 127 o 0 127 Change True System Exclusive o o Song Pos x x Common Song Sel x x Tune x x System Clock o o Real Time Commands o o All Sound OFF x o 120 126 127 Aux Reset All Cntrls x o 121 Local ON OFF x o 122 Mes All Notes OFF x o 123 125 sages Active Sense o o Reset x x 72 o o Release Time 84 x o Portamento Cntrl 91 93 o o Effect 1 3 Depth 9...

Page 27: ...PSR VN300 27 MIDI DATA FORMAT ...

Page 28: ...l T Taiwan model U U S A model V General export model 110V W General export model 220V N X General export model Y Export model WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed The numbers QTY show quantities for each unit The parts with in PART NO are not available as spare parts This mark in the R...

Page 29: ...130 80 70 90 60 330 30 300 300 310 310 150 150 150 260 270 270 280 280a 280b 280c 240 240 240 250 L40 L10 L50 30 20 190 210 220 240 200 140 3 3 140 1 3 140 2 3 Lower case assembly Lower case keyboard assembly See page 4 Upper case assembly 320 320 L30 L20 L30 L20 L30 L20 OVERALL ASSEMBLY ...

Page 30: ...90 Panel Switch x4 SONG STYLE VOICE 01 FUNCTION 100 PN Switch x3 PORTABLE GRAND REVERB ON OFF 110 PN Switch Printed 0 9 120 Panel Switch x1 DEMO 01 130 Panel Switch x1 METRONOME ON OFF REC 2 01 140 Circuit Board PNAM 1 3 2 3 3 3 10 150 Bind Head Tapping Screw B 3x8 MFZN2W3 24 01 180 LCD TTR TYPE 05B 06 190 Back Light Assembly 06 200 Rubber Connector 105X10 7 0 35WZ 2 03 210 LCD Holder 01 220 Circu...

Page 31: ...90 100 110 110 120 90 RED BLACK Lower Case Keyboard Assembly PSR VN300 WH74380 10 Lower Case 20 Keyboard Assembly 16N C61 P2M WE12670 30 Connector Assembly MK1 12P L 220 01 40 Connector Assembly MK2 5P L 250 01 50 Connector Assembly MK3 7P L 190 01 60 Foot T1 6 3 01 70 Spring Terminal A 01 80 Spring Terminal B 01 90 Spring Terminal C 3 01 100 Spring Terminal D 2 01 110 Nonwoven Fabric Cloth WD8968...

Page 32: ...PSR VN300 WE12670 10 White Key 16N CEGB 5 10 White Key CEGB 5 02 20 White Key 16L DFA 5 20 White Key DFA 5 02 30 White Key C C6 02 40 Black Key 16N 5 06 50 Rubber Contact 16N 2M OCT 2M 4 04 60 Rubber Contact M 13K 2M C5 C6 04 150 Circuit Board Assembly MK V869560 150a Circuit Board 61L 04 150b Circuit Board 61H 04 150c Connector Assembly 16N 2M C61 L 210 01 150d Felt U 02 160 Felt L 02 170 Rubber ...

Page 33: ...ip 0 1uF 25V Z 01 326 Ceramic Capacitor F chip 0 1uF 25V Z 01 C0327 Ceramic Capacitor CH chip 22pF 50V J 01 C0328 Ceramic Capacitor CH chip 22pF 50V J 01 C0431 Ceramic Capacitor F chip 0 1uF 25V Z 01 C0432 Electrolytic Cap chip 10uF 16V 01 C0433 Ceramic Capacitor F chip 0 1uF 25V Z 01 C0434 Ceramic Capacitor SL chip 100pF 50V J 01 C0435 Ceramic Capacitor SL chip 100pF 50V J 01 C0436 Ceramic Capaci...

Page 34: ... 01 R0308 Carbon Resistor chip 47K 1 16W J 01 R0310 Carbon Resistor chip 47K 1 16W J 01 R0311 Carbon Resistor chip 470K 1 16W J 01 R0312 Carbon Resistor chip 470K 1 16W J 01 R0313 Carbon Resistor chip 47 1 16W J 01 R0435 Carbon Resistor chip 8 2K 1 16W J 01 438 Carbon Resistor chip 8 2K 1 16W J 01 R0439 Carbon Resistor chip 3 9K 1 16W J 01 446 Carbon Resistor chip 3 9K 1 16W J 01 R0447 Carbon Resi...

Page 35: ... Capacitor 2B 470pF 63V K C0410 Ceramic Capacitor B 470pF 50V K 01 C0410 Ceramic Capacitor 2B 470pF 63V K C0411 Electrolytic Cap 47uF 16V 01 C0411 Electrolytic Cap 47uF 16V C0412 Electrolytic Cap 47uF 16V 01 C0412 Electrolytic Cap 47uF 16V C0413 Electrolytic Cap 100uF 16V 01 C0413 Electrolytic Cap 100uF 16V C0414 Electrolytic Cap 100uF 16V 01 C0414 Electrolytic Cap 100uF 16V C0415 Electrolytic Cap...

Page 36: ...E 01 D0503 Diode 1N4148 DO 34 01 D0504 Diode 1SS133 1SS176 TE 01 D0504 Diode 1N4148 DO 34 01 D0505 Diode 1SS133 1SS176 TE 01 D0505 Diode 1N4148 DO 34 01 D0506 Diode 1SS133 1SS176 TE 01 D0506 Diode 1N4148 DO 34 01 D0507 Diode 1SS133 1SS176 TE 01 D0507 Diode 1N4148 DO 34 01 D0508 Diode 1SS133 1SS176 TE 01 D0508 Diode 1N4148 DO 34 01 D0601 Diode 1SS133 1SS176 TE 01 D0601 Diode 1N4148 DO 34 01 IC101 I...

Page 37: ...Resistor 1 0K 1 6W J R0603 Carbon Resistor 10K 1 6W J R0603 Carbon Resistor 10K 1 6W J R0604 Carbon Resistor 15K 1 6W J R0604 Carbon Resistor 15K 1 6W J R0605 Carbon Resistor 4 7K 1 6W J R0605 Carbon Resistor 4 7K 1 6W J R0606 Carbon Resistor 47 1 6W J R0606 Carbon Resistor 47 1 6W J R0607 Carbon Resistor 47 1 6W J R0607 Carbon Resistor 47 1 6W J R0608 Carbon Resistor 1 0K 1 6W J R0608 Carbon Resi...

Page 38: ...to LCD BACK LIGHT DAC AMP POWER AMP POWER SUPPLY PN 28CC1 8834546 4 28CC1 8834546 4 MASTER VOLUME PNAM 3 3 C1 B3 61L 28CC1 8822436 PN IN OUT MIDI SUSTAIN SPEAKER R MIDI I F JACK XX XX XX XX XX REGULATOR 5V MK POWER SUPPLY MIDI PN REGULATOR 3 3V REGULATOR 2 5V PROGRAM WAVE MEMORY LCD CPU DAC AMP P B XX OP AMP XX Not installed XX XX XX XX XX XX XX Semiconductive Ceramic Capacitor Metal Film Resistor...

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