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Yamaha PortaTone PSR-2000 - User Manual

Yamaha PortaTone PSR-2000
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PSR-2000
SERVICE MANUAL
PK
001666
HAMAMATSU, JAPAN
1.421K-4071 Printed in Japan '01.09
CONTENTS
SPECIFICATIONS···································································· 2
PANEL LAYOUT······································································· 4
CIRCUIT BOARD LAYOUT ······················································ 6
DISASSEMBLY PROCEDURE················································· 8
LSI PIN DESCRIPTION·························································· 13
IC BLOCK DIAGRAM ····························································· 20
CIRCUIT BOARDS ································································· 21
TEST PROGRAM ··································································· 39
SYSTEM RESET ···································································· 42
MIDI IMPLEMENTATION CHART·········································· 43
MIDI DATA FORMAT······························································ 44
PARTS LIST
BLOCK DIAGRAM
OVERALL CIRCUIT DIAGRAM
This document is printed on chlorine free (ECF) paper with soy ink.
PSR-1000

Questions and Answers

  • G
    George WrightSep 23, 2025
    Can microphone input signal be recorded on Yamaha PortaTone PSR-2000?
    • D
      David FitzpatrickSep 23, 2025
      This is normal; recording the audio input of the microphone is not possible.
  • A
    amy20Aug 25, 2025
    How to fix low keyboard volume on Yamaha PortaTone PSR-2000?
    • L
      Larry BauerAug 25, 2025
      If the keyboard volume on your Yamaha Electronic Keyboard is low compared to the Auto Accompaniment or song playback, raise the MAIN/LAYER/LEFT volume voices or lower the STYLE/SONG volume in the BALANCE display.
  • J
    Jessica JacobsAug 25, 2025
    Why is my Yamaha PortaTone PSR-2000 Electronic Keyboard sound distorted or noisy?
    • S
      smannAug 26, 2025
      If you're experiencing distortion or noise with your Yamaha Electronic Keyboard, ensure all volume settings are appropriate. Try canceling unnecessary effects, especially distortion-type effects. If using the Custom Voice Creator, adjust filter resonance settings. For PSR-2000 models, check if the gain of the Low band is set too high in the Master Equalizer display.
  • T
    Thomas LambAug 27, 2025
    What to do if accompaniment style or song playback does not start on Yamaha PortaTone PSR-2000?
    • J
      Jonathan GarciaAug 27, 2025
      If the accompaniment style or Song playback doesn't start on your Yamaha Electronic Keyboard, ensure that MIDI Clock is set to 'INTERNAL'. Press the appropriate [START/STOP] button. If 'New Song' (a blank song) has been selected, make sure to select an appropriate song in the SONG display. If the song has been stopped at the end of the song data, return to the beginning of the song by pressing the [TOP] button.
  • B
    beverlymillerAug 27, 2025
    Why does my Yamaha PortaTone PSR-2000 Electronic Keyboard have a strange 'flanging' or 'doubling' sound?
    • T
      Thomas TaylorAug 27, 2025
      If you are getting a strange 'flanging' or 'doubling' sound from your Yamaha Electronic Keyboard, and the sound differs each time you play, it may be because both the Main and Layer parts are set to 'ON' and are playing the same voice. To fix this, set the Layer part to 'OFF' or change the voice for either part.
  • B
    Brooke MartinezSep 16, 2025
    Why is there a slight difference in sound quality between notes played on the Yamaha Electronic Keyboard?
    • M
      Michelle VillaSep 16, 2025
      This is normal and is a result of the Yamaha Electronic Keyboard’s sampling system.
  • P
    Patrick HopkinsSep 13, 2025
    Why did an unexpected result occur on my Yamaha PortaTone PSR-2000 Electronic Keyboard?
    • J
      Jonathan SandersSep 13, 2025
      If you experience an unexpected result or malfunction during an operation on your Yamaha Electronic Keyboard, it may be because you simultaneously pressed three or more buttons that are unrelated to the operation or normal procedure.
  • M
    Melissa ReevesSep 14, 2025
    Why is the previously selected effect changed when a voice is changed on my Yamaha PortaTone PSR-2000?
    • R
      Ryan RogersSep 15, 2025
      Each voice on your Yamaha Electronic Keyboard has its own suitable preset values which are automatically recalled when the corresponding Voice Set parameters are turned on.
  • R
    ramossheriSep 5, 2025
    Why is the chord not recognized on my Yamaha PortaTone PSR-2000?
    • R
      Ryan RiosSep 5, 2025
      If the desired chord is not recognized or output by the auto accompaniment on your Yamaha Electronic Keyboard, ensure you are playing the correct keys to indicate the chord. Check the accompaniment mode, and play the keys according to the selected mode.
  • D
    Dr. Donna HarrellSep 3, 2025
    Why does only the rhythm channel play on my Yamaha PortaTone PSR-2000?
    • J
      James Johnson DVMSep 3, 2025
      If only the rhythm channel plays on your Yamaha Electronic Keyboard, make sure the Auto Accompaniment function is turned on by pressing the [ACMP] button.

Yamaha PortaTone PSR-2000 Specifications

General IconGeneral
Sequencer16-track
Keyboard61 keys with touch response
EffectsReverb, Chorus, DSP
Voices480
DisplayLCD
MIDIIn/Out, Thru
Amplifiers12W + 12W
Speakers12cm x 2
ConnectivityMIDI
ConnectionsMIDI In/Out
Power SupplyAC adapter
Polyphony64

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