Yamaha Portatone PSR-260 Service Manual

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Owner's manual (64 pages)

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Page 1 SERVICE MANUAL PSR-260 PSR-262 CONTENTS SPECIFICATIONS ..................3 PANEL LAYOUT .................... 4 CIRCUIT BOARD LAYOUT & WIRING ............. 5 BLOCK DIAGRAM ..................6 DISASSEMBLY PROCEDURE ..............7 CIRCUIT BOARDS ..................10 LSI PIN DISCRIPTION ................14 IC BLOCK DIAGRAM ................14 TEST PROGRAM &...
Page 2 PSR-260/262 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
Panel controls Power supply Overall, SONG, VOICE, STYLE, DEMO, POTABLE Adaptor: Yamaha PA-3B AC power adaptor GRAND, DJ, METRONOME, Dict., L, R, TEMPO / Batteries: Six ”D” size, SUM-1, R-20 or equivalent TAP TOUCH, numeric keypad (0 - 9, +,-)
Page 4: Panel Layout
PSR-260/262 PANEL LAYOUT • Control Panel (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) Power switch (STANDBY/ON) (11) Numeric keypad, +/- buttons MASTER VOLUME dial (12) ACCONPANIMENT ON / OFF button TOUCH button (13) SYNC START button DICTIONARY button (14) START / STOP button LESSON [L] and [R] buttons...
Page 5: Circuit Board Layout & Wiring
PSR-260/262 CIRCUIT BOARD LAYOUT & WIRING CONNECTOR REF. No. DESTINATION REMARKS PARTS No. ASSEMBLY PN-CN102 M-CN101 4P-L=250 V537970 2P Black-L=650 BATTERY M-CN103 BATTERY V537990 Red L=250 M-CN104 2P-L=220 V624050 PN-CN202 M-CN201 12P-L=100 V623340 M-CN302 M-CN301 MIDI 7P-L=370 V537940 LCD-CN402 M-CN401 9P-L=270 V546610 L=200...
Page 6: Block Diagram
PSR-260/262 BLOCK DIAGRAM CN602 CN103 CN601 CN501 CN502...
Page 7: Disassembly Procedure
PSR-260/262 DISASSEMBLY PROCEDURE Bottom Case Assembly Remove the fifteen (15) screws marked [230] and the two (2) screws marked [240a]. The bottom case Remove the battery cover assembly. (Fig. 1) assembly can then be removed. (Fig. 1) [230] Bottom Case Assembly [240a] [230] [230]...
Page 8 PSR-260/262 MIDI Circuit Board VR Circuit Board Remove the bottom case assembly. (See procedure 1.) Remove the MASTER VOLUME knob on the con- Remove the two (2) screws marked [220b]. Then the trol panel. (Fig. 4) MIDI circuit board can then be removed. (Fig. 3) Remove the bottom case assembly.
Page 9: Circuit Boards
PSR-260/262 LCD Circuit Board / LCD Unit Speakers Assembling the Keyboard Assembly 11-2 Install the rubber contacts in the assembly while pressing Remove the bottom case assembly. (See procedure 1.) Remove the bottom case assembly. (See procedure 1.) 11-1 Install the white keys CEGB from the lower register, and the keys as shown in Fig.
Page 10 PSR-260/262 CIRCUIT BOARDS • M Circuit Board to VR-CN602 PHONES / OUTPUT DC-IN to SPEAKER (R) to SPEAKER (L) to LCD-CN402 Component side to MKC-CN1 to MKC-CN2 Note: See partslist for details of circuit board component parts. M: 2NA-V536720...
Page 11 PSR-260/262 Pattern side...
Page 12 PSR-260/262 • PN Circuit Board DICT OVERALL TOUCH DEMO METRONOME Piano to M-CN201 MULTI PAD 4 MULTI PAD 3 MULTI PAD 2 MULTI PAD 1 VOICE STYLE SONG TEMPO / TAP MAIN A/B INTRO STYLE START SYNC START ACOMPA ENDING /STOP ON/OFF Component side...
Page 13 PSR-260/262 • LCD Circuit Board Component side Pattern side • MKC Circuit Board • VR Circuit Board • PW Circuit Board to MK-L to MK-L to MK-H to M-CN101 to M-CN601 to M-CN901 to M-CN801 Component side Component side Component side PN: 2NA-V536700 LCD: 2NA-V536370 MKC: 2NA-V345820...
Page 14: Lsi Pin Discription
PSR-260/262 LSI PIN DISCRIPTION • KS0066U-10B (XV226A00) LCD DRIVER LCD: IC401 • YMW728-F (XU355A00) GEW12 (AWM Tone Generator) M: IC701 NAME FUNCTION NAME FUNCTION NAME FUNCTION NAME FUNCTION 51 DAC_Vdd Power supply Synch. signal Data interface Inicial Clear Port L Ground MA19 MA18...
Page 15: Test Program
PSR-260/262 TEST PROGRAM 1. TEST PROGRAM A. PREPARATION 1. PA-3B (AC adaptor) is used. (PA-32, PA-3 are utilizable) 2. The volume is usually moved to the use position when no volume change is required. 3. Measuring instruments: Frequency counter Level meter (with a JIS-C filter) Note: Use a stereo plug and connect the 33 ohm load to the [PHONES / AUX OUT] jack.
Page 16 PSR-260/262 020: SW Chk Check switches on the panel. Press the switches that are displayed on the LCD. A pre-assigned note is output when pressing the switch. The test result appears on the LCD. 028: LCD On Check that all LCD dots are on. 029: LCD Off Check that all LCD dots are off.
Page 17: Midi Implementation Chart
PSR-260/262 MIDI IMPLEMENTATION CHART YAMAHA [ PSR-260 ] Date:26-JAN-2000 Model PSR-260 MIDI Implementation Chart Version : 1.0 Function... Transmitted Recognized Remarks Basic Default 1 - 7,10 1 - 7,10 Channel Changed Default Mode Messages Altered ************** Note 0 - 127...
Page 18: Parts List
PSR-260/262 PARTS LIST CONTENTS OVERALL ASSEMBLY ............. 2 KEYBOARD ASSEMBLY ..........4 ELECTRICAL PARTS ............6 Note ) DESTINATION ABBREVIATIONS Australian model South African model British model Chinese model Canadian model South-east Asia model German model Export model European model Taiwan model French model U.S.A model...
Page 19 PSR-260 OVERALL ASSEMBLY...
Page 20 PSR-260/262 PART NO. DESCRIPTION REMARKS REF NO. QTY RANK OVERALL ASSEMBLY PSR-260/262 Overall Assembly PSR-260 (V524060) Overall Assembly PSR-262 (V537230) V 5 2 5 2 9 0 0 Upper Case Assembly PSR-260 V 5 3 7 2 7 0 0 Upper Case Assembly PSR-262 Upper Case...
Page 21 PSR-260 KEYBOARD ASSEMBLY...
Page 22 PSR-260/262 PART NO. DESCRIPTION REMARKS REF NO. QTY RANK PSR-260/262 KEYBOARD ASSEMBLY V 3 4 9 8 5 0 0 C61 P2M Keyboard Assembly EP600280 3.0X8 MFZN2Y Bind Head Tapping Screw-P EP630220 3.0X8 MFZN2BL Bind Head Tapping Screw-P (VS15380) Frame VU328600 C61 16M Frame...
Page 23 PSR-260/262 ELECTRICAL PARTS PART NO. DESCRIPTION REMARKS REF NO. QTY RANK ELECTRICAL PARTS PSR-260/262 Circuit Board V 5 3 6 3 9 0 0 (XY390B0) Circuit Board V 5 3 6 7 2 0 0 (XY389B0) Circuit Board MK-L VV583800 (VV70110)(XR564B0) Circuit Board MK-H...
Page 24 PSR-260/262 PART NO. DESCRIPTION REMARKS REF NO. QTY RANK C613 Electrolytic Cap. 470.00 25.0V UR848470 C614 Semiconductive Cera. Cap. 25V Z VC694800 C615 Semiconductive Cera. Cap. 25V Z VC694800 C701 Semiconductive Cera. Cap. 25V M VD930900 C702 Electrolytic Cap. 100.00 10.0V UR828100 C703 Semiconductive Cera.
Page 25 PSR-260/262 PART NO. DESCRIPTION REMARKS REF NO. QTY RANK -316 Coil FL5R200QNT VB835000 L501 Coil FL5R200QNT VB835000 -503 Coil FL5R200QNT VB835000 L601 Coil FL5R200QNT VB835000 -603 Coil FL5R200QNT VB835000 L604 Ferrite Bead EXC-ELDR35V VM898600 L605 Coil FL5R200QNT VB835000 R101 Carbon Resistor 150.0 1/4 J HF755150 -104...
Page 26 PSR-260/262 PART NO. DESCRIPTION REMARKS REF NO. QTY RANK VK025600 Wire Trap 52147 12P TE VK025100 Wire Trap 52147 7P TE VV583900 Circuit Board MK-H (VV70120)(XR565B0) VV437800 Diode 1N4148(DO-34) VK025600 Wire Trap 52147 12P TE VK024900 Wire Trap 52147 5P TE V3458300 Circuit Board 16M MKC...
Page 27 PSR-260/262 OVERALL CIRCUIT DIAGRAM MIDI-IN MIDI-OUT SUSTAIN RE5RE33AA (XW964A00) PQ05RD11 (XU814A00) M62722SL (XW851A00) REGULATOR +3.3V REGULATOR +5V M62722SL-700A (XW484A00) RESET 1: INPUT 2: OUTPUT 1: GND 3: GND 1: V in LCD DRIVE 2: V in 4: ON/OFF 2: GND 3: V out CONTROL 3: V out...

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