Yamaha Portatone PSR-E303 Service Manual

Yamaha Portatone PSR-E303 Service Manual

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PSR-E303/YPT-300
/
SERVICE MANUAL
PSR-E303
YPT-300
CONTENTS
SPECIFICATIONS .................................................................3
PANEL LAYOUT .................................................................. 4
CIRCUIT BOARD LAYOUT & WIRING ................................ 5
BLOCK DIAGRAM ................................................................ 6
DISASSEMBLY PROCEDURE ............................................. 7
LSI PIN DESCRIPTION ....................................................... 11
IC BLOCK DIAGRAM ......................................................... 13
CIRCUIT BOARDS .............................................................. 14
TEST PROGRAM ...............................................................18
BACKUP & INITIALIZATION ............................................. 20
TRANSFERRING DATA BETWEEN
THE PSR-E303/YPT-300 and a COMPUTER ..................... 21
MIDI IMPLEMENTATION CHART ..................................... 23
MIDI DATA FORMAT ......................................................... 24
PARTS LIST
OVERALL CIRCUIT DIAGRAM
PK
001734
HAMAMATSU, JAPAN
1
Copyright (c) Yamaha Corporation. All rights reserved. PDF-K467
'05.05

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Summary of Contents for Yamaha Portatone PSR-E303

  • Page 1 BACKUP & INITIALIZATION ..........20 TRANSFERRING DATA BETWEEN THE PSR-E303/YPT-300 and a COMPUTER ..... 21 MIDI IMPLEMENTATION CHART ........23 MIDI DATA FORMAT ............24 PARTS LIST OVERALL CIRCUIT DIAGRAM 001734 HAMAMATSU, JAPAN Copyright (c) Yamaha Corporation. All rights reserved. PDF-K467 ’05.05...
  • 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 under- stood by the users, and have therefore not been restated.
  • Page 3: Specifications

    • 10W (When using PA-3C power adaptor) • SPLIT Power Supply Style • Adaptor: Yamaha PA-3B/3C AC power adaptor • 106 preset Styles • Batteries: Six “AA” size, LR6 or equivalent batteries • Style Control: Dimensions (W x D x H) ACMP ON/OFF, SYNC START, START/STOP, •...
  • Page 4: Panel Layout

    PSR-E303/YPT-300 PANEL LAYOUT Front Panel Song List Display Voice List GrandPno !4 !5 @6 @7 Style List GrandPno Rear Panel o [STYLE] button Front Panel ! 7 [TEMPO/TAP] button q [STANDBY/ON] switch !0 [VOICE] button !8 [REC] button w [MASTER VOLUME] control !1 Number buttons [0]-[9], [+/YES], [-/NO] @0 [START/STOP] button !2 [DEMO] button...
  • Page 5: Circuit Board Layout & Wiring

    PSR-E303/YPT-300 CIRCUIT BOARD LAYOUT & WIRING Upper case side PNAM PNAM PNAM – – DMLCD – – Speaker R Speaker L Lower case side 61-L 61-H Connector Location Parts No. Destination Remarks Assembly WE138500 61H-CN1 DMLCD-CN831 WE138700 61H-CN2 DMLCD-CN832 WE138800 61L-CN5 DMLCD-CN833 Battery terminal A...
  • Page 6 TOUCH RESPONSE MIDI SUSTAIN (C1~B3) (C4~C6) PNAM JK601 JK602 JK603 PC0-5,PD0-5 SW MATRIX (12P) (12P) MIDI I / F SW501-525 SW37-61 SW1-36 IC601 CN404 TR601,602 (2P) SPEAKER R CN502 CN601 CN501 4Ω 12cm (9P) (16P) (10P) (12P) (7P) (5P) CN831 CN833 CN832 CN631...
  • Page 7: Disassembly Procedure

    PSR-E303/YPT-300 DISASSEMBLY PROCEDURE Caution: Be sure to attach the removed filament tape just as it was before removal. ∗ Lower Case Assembly When installing the DMLCD circuit board, tighten the screws 1 through 8 in numerical order. (Fig. 2) (Time required: About 1 minute) ∗...
  • Page 8 PSR-E303/YPT-300 PNAM Circuit Board (1/3, 2/3, 3/3) Speaker (Time required: About 3 minutes) Remove the lower case assembly. (See procedure 1) Remove the lower case assembly. (See procedure 1) PNAM Circuit Board 3/3 Remove the four (4) screws marked [30]. The (Time required: About 2 minutes) speaker can then be removed.
  • Page 9 PSR-E303/YPT-300 Lower Case Keyboard Assembly Circuit Board 61L, Circuit Board 61H (Time required: About 2 minutes) 10-1 Remove the lower case keyboard assembly. Remove the lower case assembly. (See procedure 1) (See procedure 7) Remove the two (2) screws marked [240C] and 10-2 Circuit Board 61L screw marked [270B].
  • Page 10 PSR-E303/YPT-300 Top view Rubber Contact [180A] [180B] Rubber Contact Rubber Contact Rubber Contact Rubber Contact [180A] [180A] [180A] [180B] [180B] [190A] [190A] [190B] [180]: Bind Head Tapping Screw-B 3.0X8 MFZN2Y (EP600250) [190]: Bind Head Tapping Screw-P SP 3.0X12 MFZNBL (VZ313100) (Fig.6-1) (Fig.6-2) How to Remove Spring Terminals...
  • Page 11: Lsi Pin Description

    PSR-E303/YPT-300 LSI PIN DESCRIPTION YMW767-VTZ (X6055A00) CPU (Central Processing Unit) DMLCD: IC301 NAME FUNCTION NAME FUNCTION Ground Ground 2 TESTN (SCMD) TEST Pin Power supply PLLBPN PLL bypass 67 LBN/LWRN/PF6 Low byte enable PLLV Power supply 68 UBN/UWRN/PF7 Upper byte enable Condenser connect RDN/PF4 Read enable...
  • Page 12 PSR-E303/YPT-300 NT3881DF-01 (X3148A00) LCD DRIVER (XZ987A00) LCD DRIVER ML9040A-B01GAZ03A NT3881EFG-01 (X6247A00) 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 Power supply CLK1 Data latch clock Segment signal output for LCD...
  • Page 13: Block Diagram

    PSR-E303/YPT-300 IC BLOCK DIAGRAM HD74LV32AFPEL (IS003200) NJM4580E (X2331A00) SN74LV138ANSR (ISO013810) Quad 2 Input OR Dual Operational Amplifier DECODER DMLCD: IC204 DMLCD: IC432 DMLCD: IC831,832 A Output INPUT B Output Select INPUT A+INPUT B +INPUT Output Enable Output AK4385ET (X6040A00) D/A Converter DMLCD: IC431 MCLK MCLK...
  • Page 14: Circuit Boards

    PSR-E303/YPT-300 CIRCUIT BOARDS DMLCD Circuit Board (X5910C0) ............16 PNAM 1/3 Circuit Board (X5911C0) ............14 PNAM 2/3 Circuit Board (X5911C0) ............15 PNAM 3/3 Circuit Board (X5911C0) ............15 61H Circuit Board (X2335C0) ..............17 61L Circuit Board (X2336B0) ..............17 Note: See parts list for details of circuit board component parts.
  • Page 15 PSR-E303/YPT-300 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 METRONOME ON/OFF FUNCTION SONG DEMO...
  • Page 16 PSR-E303/YPT-300 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 17 PSR-E303/YPT-300 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 18: Test Program

    PSR-E303/YPT-300 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) Note: Connect a load resistor of 33Ω...
  • Page 19 PSR-E303/YPT-300 Test No. LCD display Test descriptions, judging conditions, etc. 019 : Noise Connect the level meter (with JIS-C filter) to the L/R terminals of the [PHONES/OUTPUT]. (33Ω of load) Set the [MASTER VOLUME] to the maximum level and check the noise. •...
  • Page 20: Backup & Initialization

    PSR-E303/YPT-300 BACKUP & INITIALIZATION Backup Some internal parameters will revert to their default values if not saved before the power is turned off. In order to backup these parameters press and hold the [FUNCTION] button for longer than a second. FUNCTION BACKUP Hold for longer than a second.
  • Page 21: Transferring Data Between The Psr-E303/Ypt-300 And A Computer

    : 800 x 600 HighColor (16-bit) • Other : Microsoft® Internet Explorer®5.5 or higher NOTE: Visit the Yamaha website for more information on the latest version of Musicsoft Downloader (version 5.2.0 or higher) and how to install it. Connecting a personal computer After installing the Musicsoft Downloader application on your computer, connect the PSR-E303/YPT-300 as described below.
  • Page 22 PSR-E303/YPT-300 Transferring data from a computer You can transmit Song files from your computer to your PSR-E303/YPT-300’s Flash Memory. For details about how to transmit Song data using the Musicsoft Downloader application, refer to the Online help topic “Transferring Data Between the Computer and Instrument (for unprotected data)” of the Musicsoft Downloader. Data that can be loaded to the PSR-E303/YPT-300 from a computer •...
  • Page 23: Midi Implementation Chart

    PSR-E303/YPT-300 YAMAHA [ PORTATONE ] Date:15-Nov-2004 Model YPT-300/PSR-E303 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 Number : True voice **************...
  • Page 24: Midi Data Format

    PSR-E303/YPT-300 MIDI DATA FORMAT NOTE: By default (factory settings) the instrument ordinarily <MIDI Master Tuning> F0H, 43H, 1nH, 27H, 30H, 00H, functions as a 16-channel multi-timbral tone generator, 00H, mm, ll, cc, F7H and incoming data does not affect the panel voices or •...
  • Page 25: Parts List

    PARTS LIST CONTENTS OVERALL ASSEMBLY ............2-3 LOWER CASE KEYBOARD ASSEMBLY ......4 KEYBOARD ASSEMBLY ............5 ELECTRICAL PARTS ............6-10 Notes : DESTINATION ABBREVIATIONS A : Australian model M : South African model B : British model O : Chinese model C : Canadian model Q : South-east Asia model D : German model...
  • Page 26: Overall Assembly

    PSR-E303/YPT-300 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 27 PSR-E303/YPT-300 PART NO. DESCRIPTION REMARKS REF NO. RANK OVERALL ASSEMBLY PSR-E303/YPT-300 Overall Assembly PSR-E303 (WD54870) Overall Assembly YPT-300 (WD54860) WD548900 Upper Case Assembly PSR-E303 WD548800 Upper Case Assembly YPT-300 Upper Case PSR-E303 (WD54930) Upper Case YPT-300 (WD54920) WD550200 Speaker Grille L WD550300 Speaker Grille R Nonwoven Fabric Cloth...
  • Page 28: Lower Case Keyboard Assembly

    PSR-E303/YPT-300 LOWER CASE KEYBOARD ASSEMBLY Keyboard assembly See page 5. BLACK PART NO. DESCRIPTION REMARKS REF NO. RANK LOWER CASE KEYBOARD ASSEMBLY PSR-E303/YPT-300 (WD89530) Lower Case WD843300 Keyboard Assembly 16N C61 P2M (WE12670) Connector Assembly MK1 12P L=220 WE138500 WE138700 Connector Assembly MK2 5P L=250 WE138800...
  • Page 29: Keyboard Assembly

    PSR-E303/YPT-300 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-E303/YPT-300 (WE12670) WB125200 White Key CEGB WB125300 White Key V 4 7 6 0 3 0 0 White Key VZ271700 Black Key...
  • Page 30: Electrical Parts

    PSR-E303/YPT-300 ELECTRICAL PARTS PART NO. DESCRIPTION REMARKS REF NO. RANK ELECTRICAL PARTS PSR-E303/YPT-300 WE005300 Circuit Board DMLCD (WE00520)(X5910C0) WE005400 Circuit Board PNAM 1/3,2/3,3/3 (X5911C0) V 8 6 9 5 5 0 0 Circuit Board 61H 16N2M C61 P2 (V869540)(X2335C0) V 8 6 9 5 3 0 0 Circuit Board 61L 16N2M C61 P2 (V869520)(X2336B0)
  • Page 31 PSR-E303/YPT-300 PART NO. DESCRIPTION REMARKS REF NO. RANK IC132 X3679A00 RH5RZ25CA-T1 REGULATOR +2.5V IC201 X6054100 MX23L6415TC-90 MASK ROM 64M PROG./WAVE  IC202 X2310A00 MX29LV400BTC-70  FLASH ROM 4M  IC202 X4490A00 MBM29LV400BC-70PFT IC203 X2726A00 GLT440L16-40TC DRAM 4M IC204 I S 0 0 3 2 0 0 HD74LV32AFPEL IC301 X6055A00...
  • Page 32 PSR-E303/YPT-300 PART NO. DESCRIPTION REMARKS REF NO. RANK -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 X0301 WE194400 Quartz Crystal Unit 16.9344MHz HC-49S-SM WE005400 Circuit Board...
  • Page 33 PSR-E303/YPT-300 PART NO. DESCRIPTION REMARKS REF NO. RANK  CN402 V I 8 7 8 3 0 0 Cable Holder 51048 5P TE   CN402 VZ341700 Cable Holder 51048 5P TE  CN403 V I 8 7 8 0 0 0 Cable Holder 51048 2P TE ...
  • Page 34 PSR-E303/YPT-300 PART NO. DESCRIPTION REMARKS REF NO. RANK TR101 Transistor 2SB1342 WD926900 TR102 Transistor 2SC2SC1740S R,S IC174070 TR601 Transistor 2SC2SC1740S R,S IC174070 TR602 IC174070 Transistor 2SC2SC1740S R,S VR401 WC709800 Rotary Variable Resistor A 5.0K XV014111YG MASTER VOLUME WA103 Connector Assembly AM 11P L=170 (WE13910) WA401...
  • Page 35: Parts List

    OVERALL CIRCUIT DIAGRAM PSR-E303/YPT-300 PSR-E303/YPT-300 MASK ROM 64M FLASH ROM 4M PROGRAM/WAVE 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 1: GND MIDI I/F 2: INPUT 3: OUTPUT MIDI...

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