Yamaha Portatone PSR-VN300 Service Manual
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Yamaha Portatone PSR-VN300 Service Manual

Service manual
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PK
001781
PSR-E313: 200702-xxxxxx
SERVICE MANUAL
SPECIFICATIONS ........................................................................................ 3
PANEL LAYOUT .......................................................................................... 4
CIRCUIT BOARD LAYOUT & WIRING ......................................................... 5
BLOCK DIAGRAM ....................................................................................... 6
DISASSEMBLY PROCEDURES .................................................................. 7
LSI PIN DESCRIPTION .............................................................................. 13
IC BLOCK DIAGRAM ................................................................................ 15
CIRCUIT BOARDS ..................................................................................... 16
TEST PROGRAM ....................................................................................... 20
BACKUP & INITIALIZATION ..................................................................... 22
................................................................................................................... 23
MIDI IMPLEMENTATION CHART ............................................................. 26
MIDI DATA FORMAT ................................................................................. 27
OVERALL CIRCUIT DIAGRAM
Copyright (c) Yamaha Corporation. All rights reserved.
PSR-VN300
HAMAMATSU, JAPAN
07.04

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Summary of Contents for Yamaha Portatone PSR-VN300

  • Page 1: Table Of Contents

    IC 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...
  • Page 2 IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users, and have therefore not been restated.

  • Page 3: Specifications

    PSR-VN300 SPECIFICATIONS...

  • Page 4: Panel Layout

    PSR-VN300 PANEL LAYOUT • Front panel F G H I J K L M [STANDBY/ON] switch [REW] button [MASTER VOLUME] control [INTRO/ENDING/rit] button LESSON PART [FF] button [L] button [MAIN/AUTO FILL] button [R] button [TEMPO/TAP] button [REC TRACK 2] button...

  • Page 5: Circuit Board Layout & Wiring

    PSR-VN300 CIRCUIT BOARD LAYOUT & WIRING PNAM • Upper case side PNAM PNAM – – DMLCD – – Speaker R Speaker L • Lower case side 61-L 61-H Location Parts No. Connector Assembly Destination Remarks WE138500 61H-CN1 DMLCD-CN831 WE138700 61H-CN2...

  • Page 7: Disassembly Procedures

    PSR-VN300 I DISASSEMBLY PROCEDURES Caution: Be sure to attach the removed filament tape just as it was before removal. Lower Case Assembly (Time required: About 1 minute) Remove the five (5) screws marked [240A], two (2) screws marked [270A], and two (2) screws marked [320].
  • Page 8 PSR-VN300 DMLCD circuit board (Time required: About 3 minutes) Remove the lower case assembly. (See procedure 1) Remove the eight (8) screws marked [240B]. The DMLCD circuit board can then be removed. (Fig. 2) * When installing the DMLCD circuit board, tighten the screws 1 through 8 in numerical order. (Fig. 2) * If the DMLCD circuit board is replaced, execute the “Factory Set”...
  • Page 9 PSR-VN300 LCD (Time required: About 3 minutes) Remove the lower case assembly. (See procedure 1) Remove the DMLCD circuit board. (See procedure 2) Remove the LCD holder and rubber connector. (Fig. 3) Remove the back light assembly. (Fig. 3) Remove the LCD. (Fig. 3) * When attaching the rubber connector, set the conductive part to face inside.
  • Page 10 PSR-VN300 Keyboard Assembly Remove the lower case keyboard assembly. (See procedure 7) White and black keys for one octave unit are integrated as a set. There are five sets in total. Remove the four (4) screws marked [200A]. The keyboard can then be removed. (Fig. 5) There are two (2) hooks at the back of the black keys.
  • Page 11 PSR-VN300 Circuit Board 61L, Circuit Board 61H 10-1 Remove the lower case keyboard assembly. (See procedure 7) 10-2 Circuit Board 61L (Time required: About 6 minutes) 10-2-1 Remove the keyboards from C1 to B3. (See procedure 8) 10-2-2 Remove the four (4) screws marked [180A], and eight (8) screws marked [190A].
  • Page 12 PSR-VN300 How to Remove Spring Terminals Spring Terminal A, Spring Terminal B 11-1 Remove the lower case keyboard assembly. (See procedure 7) 11-2 Remove the keyboards from C1 to B2. (See procedure 8) 11-3 Remove the battery connector assembly soldered to the spring terminal A and spring terminal B. (Photo. 3) 11-4 Reverse the lower case keyboard assembly and remove the battery lid assembly.

  • Page 13: Lsi Pin Description

    PSR-VN300 LSI PIN DESCRIPTION CONTENTS • ML9040A-B01GAZ03A (XZ987A00) LCD DRIVER ......... 14 • NT3881DF-01 (X3148A00) LCD DRIVER ..........14 • YMW767-VTZ (X6055A00) CPU (Central Processing Unit) ..... 13 • YMW767-VTZ (X6055A00) CPU (Central Processing Unit) DMLCD: IC301 NAME FUNCTION NAME...
  • Page 14 PSR-VN300 • NT3881DF-01 ( X3148A00 ) LCD DRIVER • ML9040A-B01GAZ03A ( XZ987A00 ) LCD DRIVER DMLCD: IC701 NAME FUNCTION NAME FUNCTION Data interface Segment signal output for LCD driving Common signal output for LCD driving Ground OSC1 Oscillator OSC2 Oscillator...

  • Page 15: Ic Block Diagram

    PSR-VN300 IC BLOCK DIAGRAM • HD74LV32AFPEL (IS003200) • NJM4580E (X2331A00) • SN74LV138ANSR ( IS013810 ) Quad 2 Input OR Dual Operational Amplifier DECODER DMLCD: IC204 DMLCD: IC432 DMLCD: IC831, 832 A Output INPUT B Output Select A+INPUT INPUT B +INPUT...

  • Page 16: Circuit Boards

    PSR-VN300 CIRCUIT BOARDS CONTENTS • DMLCD Circuit Board (X5910C0) ..........18 • PNAM 1/3 Circuit Board (X5911C0) ..........16 • PNAM 2/3 Circuit Board (X5911C0) ..........17 • PNAM 3/3 Circuit Board (X5911C0) ..........17 • 61H Circuit Board (X2335C0) ..........19 •...
  • Page 17 PSR-VN300 • PNAM3/3 Circuit Board to PNAM1/3-CN401 MASTER VOLUME Component side • PNAM2/3 Circuit Board to PNAM1/3-CN503 to DMLCD-CN531 not installed not installed PORTABLE SOUND PEVERB GRAND EFFECT KIT ON/OFF SPLIT DUAL HARMONY TOUCH ON/OFF ON/OFF ON/OFF ON/OFF VOICE STYLE...
  • Page 18 PSR-VN300 • DMLCD Circuit Board to PNAM2/3-CN601 Component side to 61H-CN2 to 61H-CN1 to 61L-CN5 not installed Pattern side 2NA-WE00520...
  • Page 19 PSR-VN300 • 61H Circuit Board to DMLCD-CN831 to 61L-CN4 to DMLCD-CN832 A’ Component side A’ • 61L Circuit Board B’ to DMLCD-CN833 to 61H-CN3 B’ Component side 61H: 2NAKB-V869540 61L: 2NAKB-V869520...

  • Page 20: Test Program

    PSR-VN300 TEST PROGRAM * If the test number 47 “Factory Set” is executed, the data already set will be lost. Preparation 1) Use an AC adaptor PA-3C or PA-32. 2) Measuring device: Frequency counter, which can detect thousandth digit, Level meter (with JIS-C filter).
  • Page 21 PSR-VN300 Test No. LCD display Test descriptions, judging conditions, etc. Connect the level meter (with JIS-C filter) to the L/R terminals of the [PHONES/OUTPUT]. (33 Ω of load) 014 : Output R Set the [MASTER VOLUME] to the maximum level and check the output level.

  • Page 22: Backup & Initialization

    Initialize operation as explained below. You can also save the settings as backup data to your computer, by using the Musicsoft Downloader (MSD) software. Refer to the section “Transferring a backup file from the PSR-VN300 to a computer”...

  • Page 23: Installing Musicsoft Downloader

    TRANSFERRING DATA BETWEEN THE PSR-VN300 and a COMPUTER The PSR-VN300 includes 110 preset Songs and 106 Styles, but you can load other Songs and Styles from your computer and use them in the same way as the preset Songs and Styles as long as the loaded Song is SMF format 0* or the loaded Style is SFF (Style File Format).
  • Page 24 G Transferring a file from a computer You can transmit Song files and Style Files from your computer to the Flash Memory on your PSR-VN300. For details about how to transmit Song file and Style File using the Musicsoft Downloader application, refer to the Online help topic “Transfer- ring Data Between the Computer and Instrument (for unprotected data)”...
  • Page 25 PSR-VN300 G Transferring a backup file from the PSR-VN300 to a computer You can transfer backup data (page 22) to a computer as a “backup file” by using Musicsoft Downloader. For details about how to transmit backup files using the Musicsoft Downloader application, refer to the Online help topic “Transferring Data Between the Computer and Instrument (for unprotected data)”...

  • Page 26: Midi Implementation Chart

    PSR-VN300 MIDI IMPLEMENTATION CHART YAMAHA [ Portable Keyboard ] Date:21-Aug-2006 Model PSR-VN300 MIDI Implementation Chart Version:1.0 Transmitted Recognized Remarks Function... Basic Default 1 - 16 1 - 16 Channel Changed Default Mode Messages Altered ************** Note 0 - 127 0 - 127...

  • Page 27: Midi Data Format

    PSR-VN300 MIDI DATA FORMAT...

  • Page 28: Parts List

    PSR-VN300 PARTS LIST I CONTENTS OVERALL ASSEMBLY ................2 LOWER CASE KEYBOARD ASSEMBLY ..........4 KEYBOARD ASSEMBLY ................ 5 ELECTRICAL PARTS ................6 Notes: DESTINATION ABBREVIATIONS Australian model South African model British model Chinese model Canadian model South-east Asia model...
  • Page 29 PSR-VN300 OVERALL ASSEMBLY Music Rest Upper case assembly ∗ ∗ (3/3) (1/3) (2/3) Lower case keyboard assembly: See page 4. Lower case assembly 280b 280a 280c...
  • Page 30 PSR-VN300 PART NO. DESCRIPTION REMARKS REF NO. RANK OVERALL ASSEMBLY PSR-VN300 Overall Assembly (WH99910) WJ000200 Upper Case Assembly Upper Case Painted (WJ00060) WD550200 Speaker Grille L WD550300 Speaker Grille R Nonwoven Fabric Cloth (WF25430) 16 X6553A00 Speaker 12cm 4ohm 3W...
  • Page 31 PSR-VN300 LOWER CASE KEYBOARD ASSEMBLY Keyboard assembly: See page 5. BLACK PART NO. DESCRIPTION REMARKS REF NO. RANK Lower Case Keyboard Assembly PSR-VN300 (WH74380) WH744000 Lower Case Keyboard Assembly 16N C61 P2M (WE12670) WE138500 Connector Assembly MK1 12P L=220 WE138700...
  • Page 32 PSR-VN300 KEYBOARD ASSEMBLY 150a 150c 150b 150d MK circuit board assembly Lower case: See page 4. PART NO. DESCRIPTION REMARKS REF NO. RANK Keyboard Assembly 16N C61 P2M PSR-VN300 (WE12670)  V 3 4 1 2 6 0 0 White Key 16N CEGB ...
  • Page 33 PSR-VN300 ELECTRICAL PARTS PART NO. DESCRIPTION REMARKS REF NO. RANK ELECTRICAL PARTS PSR-VN300 WJ168300 Circuit Board DMLCD (WJ16820)(X5910C0) WE005400 Circuit Board PNAM 1/3,2/3,3/3 (X5911C0) V 8 6 9 5 5 0 0 Circuit Board (V869540)(X2335C0) V 8 6 9 5 3 0 0...
  • Page 34 PSR-VN300 DMLCD PART NO. DESCRIPTION REMARKS REF NO. RANK IC132 X3679A00 RH5RZ25CA-T1-F REGULATOR +2.5V * IC201 X 8 3 0 4 1 0 0 MR27T6402L-0PKTNZ0 MASK ROM PROG/WAVE IC202 X7130A00 MX29LV400CBTC-70G FLASH MEMORY 4M IC203 X2726A00 GLT440L16-40TC DRAM 4M IC203...
  • Page 35 PSR-VN300 DMLCD and PNAM PART NO. DESCRIPTION REMARKS REF NO. RANK RA833 RE046100 Resistor Array 1Kx4 -835 RE046100 Resistor Array 1Kx4 RA836 RE047100 Resistor Array 10Kx4 -838 RE047100 Resistor Array 10Kx4 TH701 V 9 1 4 0 6 0 0 Thermistor (chip) ERTJ1VT152J 1.5K...
  • Page 36 PSR-VN300 PNAM  PART NO. DESCRIPTION REMARKS REF NO. RANK   CN103 VY668800 Cable Holder 51048 11P TE  CN401 V I 8 7 8 3 0 0 Cable Holder 51048 5P TE   CN401 VZ341700 Cable Holder 51048 5P TE ...
  • Page 37 PSR-VN300 PNAM and 61H and 61L  PART NO. DESCRIPTION REMARKS REF NO. RANK   R0108 HF457220 Carbon Resistor 22K 1/6W J  R0109 V 2 5 5 0 5 0 0 Carbon Resistor 12K 1/6W J  ...
  • Page 38 PSR-VN300 OVERALL CIRCUIT DIAGRAM PSR-VN300 MASK ROM 64M FLASH ROM 4M PROGRAM/WAVE PORTABLE GRAND MR27T6402L MEMORY LCD DRVER BA33BC0FP (X5889A00) REGULATOR +3.3V DMLCD: IC131 1: INPUT 2: GND 3: OUTPUT RH5RZ25CA (X3679A00) REGULATOR +2.5V DMLCD: IC132 DRAM JACK SPEAKER R...

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