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.
PSR-GR200 PANEL LAYOUT Top Panel Speaker (L) 12cm Speaker (R) 12cm VOICE x 104 STYLE x 100 E GUITAR SITAR BRASS SECT SYNTH BASS 61~70 HARMONY GREEK KARSILAMAS SERVIKO POPS POP ROCK 16BEAT POP TECHNO JAZZ PIANO PIANO DIST GUITAR BANJO ALTO SAX SY STRINGS...
PSR-GR200 DISASSEMBLY PROCEDURE Lower Case Assembly 1-1 Remove the battery cover assembly. (Fig. 1) 1-2 Remove the fourteen (14) screws marked [230] and the two (2) screws marked [240A]. The lower case assembly can then be removed. (Fig. 1) [ 230 ] Lower case assembly ...
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PSR-GR200 Speakers 6-1 Remove the lower case assembly. (see procedure 1) 6-2 Remove the four (4) screws marked [340]. The speaker can then be removed. (Fig. 2) * The right and left speakers can be removed in the same manner. Volume knob Conductive surface Rubber contact...
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PSR-GR200 Disassembling the keyboard assembly Assembling the keyboard assembly 8-1 Remove the keyboard assembly. (see procedure 7) 9-1 Install the white keys CEGB from the lower 8-2 Remove the MK circuit board while pressing the notes, and then DFA keys and C' key. Afterwards hooks (A) inward, and then remove the rubber install the black keys from the higher notes, and contact.
PSR-GR200 LSI PIN DESCRIPTION YMW728-F (XU355A00) GEW12 (AWM Tone Generator) NAME FUNCTION NAME FUNCTION AVdd Power supply Synch. signal Inicial Clear Port L Ground MA19 MA18 Memory address bus Power supply Power supply MA17 Port A Memory address bus MA10 MA11 Ground MA12...
PSR-GR200 KS0076BQ-00 (XR793A00) LCD DRIVER KS0066U-10B (XJ226A00) LCD DRIVER 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 CLK2 Data shift clock driving...
PSR-GR200 CIRCUIT BOARDS DM Circuit Board to AM/PN-CN10 to AM/PN-CN5 to AM/PN-CN2 to AM/PN-CN1 to AM/PN-CN6 to MK-CN1 Component side IC1 installation IC5 installation 1pin mark Letters CR1 installation Letters Note: See parts list for details of circuit board component parts. DM : 2NA-V212850...
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PSR-GR200 AM/PN Circuit Board to Speaker(R) MIDI to DM-CN5 PHONES/ SUSTAIN DC IN 10-12V AUX OUT to DM-CN6 to Speaker(L) SONG to Battery VOICE to DM-CN1 STYLE DEMO START ‑ AUTO FILL CHORD START/ SYNC- ACMP ‑ MULTI PAD METRONOME GUIDE MAIN B MAIN A...
PSR-GR200 ■ TEST PROGRAM 1. PREPARATION TEST LCD display (Initial) Test Functions and Judgment criteria To check the unit using the test program, the following measuring instruments and jigs will be required: 019: Noise Connect the level meter to the [PHONES/AUX OUT] jack. (33 ohm load) Level meter (with a JIS-C filter), Frequency counter, MIDI cable, Foot controller(FC4 or FC5)...
PSR-GR200 MIDI DATA FORMAT The following voices can be selected when the Voice mode is active, or when the Voice Change function is on. They can also be selected by a connected MIDI device; the corresponding bank select messages are: MSB = 00H, LSB = 70H. When selecting voices via MIDI: * The Harmony voices (#61 - #70) and Echo voices (#81 - #90) are sounded without the respective harmony and echo effects.
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PSR-GR200 The following voices cannot be directly selected from the panel controls; they are special voices programmed into the songs of the PortaTone and are selected automatically in song playback. However, they can be selected by a connected MIDI device; the corresponding bank select messages are: MSB = 00H, LSB = 00H.
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PSR-GR200 NOTE: *2 For program change values, refer to the voice list. *1 MSB can be used to change the voice for the Melody or Rhythm. *3 < GM System on > F0H,7EH,7FH, 09H, 01H, F7H MSB=00H :Melody Voice All data is restored to the default values. MSB=7FH : Rhythm Voice LSB: Refer to Voice list.
PSR-GR200 OVERALL ASSEMBLY Music rest Upper case assembly 120 b 120 a Keyboard assembly (see page 4) Lower case assembly Battery cover assembly 170 a B100 Note: Connector assemblies , , , , are shown in the CIRCUIT BOARD LAYOUT section on page 6.
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