Yamaha PortaTone PSR-260 User manual

SERVICE MANUAL
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 & INITIALIZE..............................................................15
MIDI IMPLEMENTATION CHART............................................................17
PARTS LIST
OVERALL CIRCUIT DIAGRAM
HAMAMATSU, JAPAN
1.43K-317 I.T Printed in Japan 2000. 05
PK 001638
PSR-260
PSR-262
This document is printed on chlorine free (ECF) paper with soy ink.

PSR-260/262
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.
WARNING: Failure to follow appropriate service and safety procedures when sevicing this product may
result in personal injury, destruction of expensive components and failure of the product to
perform as specified. For these reasons, we advise all Yamaha product owners that all service
required should be prformed by an authorized Yamaha Retailer or the appointed service
repre sentative.
IMPORTANT: This presentation or sale of this manual to any individual or firm does not constitute authoriza-
tion, certification, recognition of any applicable technical capabilities, or establish a principala-
gent relationship of any form.
The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research
engineering, and service departments of Yamaha are continually striving to improve Yamaha products.
Modifications are, therefor, inevitable and changes in specification are subject to change without notice or obligation
to retrofit. Should any discrepancy appear to exist, please contact the distributor's Service Division.
WARNING: Static discharges can destroy expencive components. Discharge any static electricity your
body may have accumulated by grounding yourself to the ground buss in the unit (heavy
gauge black wires connect to this buss).
IMPORTANT: Turn the unit OFF during disassembly and parts replacement. Recheck all work before you
apply power to the unit.
WARNING: CHEMICAL CONTENT NOTICE!
The solder used in the production of this product contains LEAD. In addition, other electrical / electronic and / or
plastic (where applicable) components may also contain traces of chemicals found by the California Health and
Welfare Agency (and possibly other entities) to cause cancer and / or birth defects or other reproductive harm.
DO NOT PLACE SOLDER, ELECTRICAL / ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR
ANY REASON WHAT SO EVER!
Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or
expose eyes to solder / flux vapor!
If you come in contact with solder or components lacated inside the enclosure of this product, wash your hands
before handling food.
WARNNG
Components having special characteristics are marked and must be replaced with parts having specification equal to those originally
installed.

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SPECIFICATIONS
Keyboard
61 standard-size keys (C1 - C6) with touch response
Display
Large multi-function LCD display (backlit)
Setup
STANDBY/ON
MASTER VOLUME : MINI-MAX
Panel controls
Overall, SONG, VOICE, STYLE, DEMO, POTABLE
GRAND, DJ, METRONOME, Dict., L, R, TEMPO /
TAP TOUCH, numeric keypad (0 - 9, +,-)
Voices
100 panel voices (max. polyphony: 16)
Effects
Dual (Included in Voice),
Harmony / Echo (Included in Voice),
Split (Included in Voice),
Sustain (Included in Voice)
Auto Accompaniment
100 styles
Fingering: Multi Fingering
Sections: Intro, Main A, B, Ending, Fill
Overall controls
Multi Pad, Grade, Talking, Transpose, Tuning, Accom
-paniment Volume, Song Volume, Metronome Volume
Style controls
Acmp On / Off, Sync-Start, Start, Stop, Intro/Ending,
Main A, B (Auto Fill)
Song controls
Start, Stop, Pause, A-B Repeat, Fast Forward, Rewind,
Melody Voice Change
One Touch Setting
1 / style, 1 / song
Multi Pads
4 pads x 10 banks
Yamaha Education Suite
Dictionary, Lesson 1-4
Preset songs
100 songs
Amplifier
2.0W + 2.0W
MIDI
IN / OUT
Auxiliary jacks
PHONES/OUTPUT, DC IN 10-12V, MIDI IN/OUT,
SUSTAIN
Speakers
12cm x 2
Power consumption
9W (when using PA-3B power adaptor)
Power supply
Adaptor: Yamaha PA-3B AC power adaptor
Batteries: Six ”D” size, SUM-1, R-20 or equivalent
batteries
Dimensions
933 x 370 x 129 mm
(36-3/4” x 14-7/12” x 5-1/12”)
Weight
5.2kg (11 Ibs., 7 oz.)
Supplied accessories
Music Stand, Owner’s Manual, Song Book
Optional accessories
Headphones: HPE-150
AC power adaptor: PA-3B, PA-3
Footswitch: FC4, FC5
Keyboard stand: L-2L, L-2C

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PANEL LAYOUT
(12) (13) (14) (15) (16) (17) (18) (19) (20) (21)
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
(22) (23) (24) (25)
(1) Power switch (STANDBY/ON)
(2) MASTER VOLUME dial
(3) TOUCH button
(4) DICTIONARY button
(5) LESSON [L] and [R] buttons
(6) OVERALL button
(7) DEMO button
(8) Piano button
(9) METRONOME button
(10) DJ button
(22) PHONES / OUTPUT jack
(23) DC IN 10-12V jack
(11) Numeric keypad, +/- buttons
(12) ACCONPANIMENT ON / OFF button
(13) SYNC START button
(14) START / STOP button
(15) INTRO / ENDING button
(16) MAIN / AUTO FILL button
(17) TEMPO / TAP button
(18) SONG button
(18) STYLE button
(20) VOICE button
(21) MULTI PAD buttons
(24) MIDI IN, OUT terminals
(25) SUSTAIN jack
• Control Panel
• Rear Panel

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CIRCUIT BOARD LAYOUT & WIRING
REF. No. DESTINATION CONNECTOR REMARKS PARTS No.
ASSEMBLY
(1) PN-CN102 M-CN101 STN 4P-L=250 V537970
(2) BATTERY M-CN103 BATTERY 2P Black-L=650 V537990
Red L=250
(3) LCD M-CN104 LED 2P-L=220 V624050
(4) PN-CN202 M-CN201 PN 12P-L=100 V623340
(5) M-CN302 M-CN301 MIDI 7P-L=370 V537940
(6) LCD-CN402 M-CN401 LCD 9P-L=270 V546610
(7) LCD M GND L=200 V546920
(8) M-CN501 SPEAKER Lch SPL L=350 V538250
(9) M-CN502 SPEAKER Rch SPR L=400 V538270
(10) PN-CN602 M-CN601 VR 5P-L=280 V562650
(11) M-CN801 MKC-CN2 MK1 11P-L=470 V545340
(12) M-CN901 MKC-CN1 MK2 13P-L=540 V545350
(13) MK-H MK-L MK-B 12P-L=220 VV58360
(14) MKC-CN3 MK-L MK-C 7P-L=260 VV58350
(15) MKC-CN4 MK-H MK-D 5P-L=625 VV58370
(16) MKC-CN2 MK-L MK-A 12P-L=200 VV58310

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BLOCK DIAGRAM
LCD PN
MIDI
MK
M
VR
SW
Speakers
Back Light
L
R
+3.3 D +3.3 A +5.0 D
DC-IN
SW
LCD
RESET
IC701
100P
IC702
42P
GEW -12
IC103
REGULATOR
+3.3V
ROM
16Mbit
PROGRAM
STYLE
WAVE
BUFFER
IC601
BUFFER
IC601
9P 9P
61KEY (16M) Keyboard
PHONES/
AUX OUT
YST
Battery
AC Adapter
IC301
6P
DRIVER
IC401
80P
LCD
DRIVER
MKSC
14MHz
POWER-AMP
BA5417
IC501
IC101,IC102
REGULATOR
+5V
IC802
16P
DECODER
LVC138
IC801
16P
DECODER
LVC138
MIDI OUT
MIDI
IN SUSTAIN
IC703
1-4
13-15
1-4
13-15
2-7
28-30,33
81-88,90-97 55-57,59-64 66-71,73-77
A0-A19,
D0-D15
22-27,35-40
5,7 3,4
8 2
49,50
53
44-47
9-20
99,100
1
4
1,2
11,12
3,5
3
CN801
CN2
CN901
CN1
CN402 CN401
CN302 CN301
CN202
CN201 CN104
CN102 CN101
CN103
CN602
CN601 CN501 CN502
11P 11P 13P
13P
12P
CN3CN5CN4
12P
5P 5P
7P 7P
9P 9P
7P 7P
12P 12P 2P
4P 4P
2P
5P
5P 2P 2P
28CA1-8816210

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DISASSEMBLY PROCEDURE
1. Bottom Case Assembly
1-1 Remove the battery cover assembly. (Fig. 1)
Bottom Case Assembly [230]
[230] [230]
[230]
[240a]
Battery Cover
2. M Circuit Board
2-1 Remove the bottom case assembly. (See procedure 1.)
2-2 Remove the eight (8) screws marked [220a]. Then
the M circuit board can then be removed. (Fig. 2)
Keyboard Assembly
Upper Case Assembly [220a]
[240b]
[230]: Bind Head Tapping Screw-P 3.0 x 12 MFZN2Y (EP600300)
[240]: Bind Head Tapping Screw-P 3.0 x 25 MFZN2Y (VK228100)
1-2 Remove the fifteen (15) screws marked [230] and the
two (2) screws marked [240a]. The bottom case
assembly can then be removed. (Fig. 1)
3. Keyboard Assembly
3-1 Remove the bottom case assembly. (See procedure 1.)
3-2 Remove the three (3) screws marked [240b]. Then
the keyboard can then be removed. (Fig. 2)
(Fig. 1)
(Fig. 2)
[220]: Bind Head Tapping Screw-P 3.0 x 8 MFZN2Y (EP600280)
[240]: Bind Head Tapping Screw-P 3.0 x 25 MFZN2Y (VK228100)

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[220b]
[220d][220c] [220e]
[220c]
4. MIDI Circuit Board
4-1 Remove the bottom case assembly. (See procedure 1.)
4-2 Remove the two (2) screws marked [220b]. Then the
MIDI circuit board can then be removed. (Fig. 3)
5. PN Circuit Board
5-1 Remove the bottom case assembly. (See procedure 1.)
5-2 Remove the M circuit board. (See procedure 2.)
5-3 Remove the eighteen (18) screws marked [220c].
Then the PN circuit board can then be removed.
(Fig. 3)
6. VR Circuit Board
6-1 Remove the MASTER VOLUME knob on the con-
trol panel. (Fig. 4)
6-2 Remove the bottom case assembly. (See procedure 1.)
6-3 Remove the M circuit board. (See procedure 2.)
6-4 Remove the three (3) screws marked [220d]. Then
the VR circuit board can then be removed. (Fig. 3)
7. PW Circuit Board
7-1 Remove the bottom case assembly. (See procedure 1.)
7-2 Remove the M circuit board. (See procedure 2.)
7-3 Remove the two (2) screws marked [220e]. Then the
PW circuit board can then be removed. (Fig. 3)
7-4 Pull off the knob from the PW circuit board.
Volume knob
(Fig. 3)
(Fig. 4)
[L50]: Bind Head Tapping Screw-P 3.0 x 8 MFZN2Y (EP600280)
[220]: Bind Head Tapping Screw-P 3.0 x 8 MFZN2Y (EP600280)
[250]: Bind Head Tapping Screw-P 4.0 x 8 MFZN2BL (VB931600)

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8. LCD Circuit Board / LCD Unit
8-1 Remove the bottom case assembly. (See procedure 1.)
8-2 Remove the M circuit board. (See procedure 2.)
8-3 Remove the four (4) screws marked [220f]. Then the LCD
unit can then be removed. (Fig. 5)
8-4 Remove the eight (8) screws marked [L50]. Then the LCD
circuit board can then removed. (Fig. 5)
8-5 Remove the two rubber contacts. Be careful not to touch
the conductive surface.
(Fig. 5)
(Fig. 8)
(Fig. 7)
(Fig. 6)
(Fig. 9)
(Fig. 10)
(Fig. 11)
[140]: Bind Head Tapping Screw-P 3.0 x 16 MFZN2Y (EP600130)
[140]: Bind Head Tapping Screw-P 3.0 x 16 MFZN2BL (VB205200)
[140]: Bind Head Tapping Screw-P 3.0 x 16 MFZN2B (VS756700)
[220f][250] LCD Unit
Speaker-R Speaker-L
[250]
LCD [L50]
[L50]
9. Speakers
9-1 Remove the bottom case assembly. (See procedure 1.)
9-2 Remove the eight (8) screws marked [250]. The right and
left speakers can then be removed. (Fig. 5)
*The right and left speakers can be removed in the same
manner.
10. Disassembling the Keyboard Assembly
10-1 Remove the keyboard assembly. (See procedure 3.)
10-2 Remove the two (2) screws marked [220g]. The MKC
circuit board can then be removed. (Fig. 6)
10-3 Remove the MK circuit board while pressing the fifteen
(15) hooks (A) inward, and then remove the rubber
contact. (Fig. 7)
Keyboard Assembly [220g]
10-4 Remove the twenty-one (21) screws marked [140], then
remove the black keys from the lower register. Afterward,
remove the white keys DFA and C’ and then remove the
white keys CEFB from the higher register. At this time, lift
the keys from the front and slide them towards you. The
keys can then be removed from the assembly. (Fig. 8)
11. Assembling the Keyboard Assembly
11-1 Install the white keys CEGB from the lower register, and
then DFA keys and C’ key. Afterwards install the black
keys from the higher register, and tighten the twenty-one
(21) screws marked [140]. (Fig. 8)
11-2 Install the rubber contacts in the assembly while pressing
the keys as shown in Fig. 9. Check that the rubber contact
has been firmly placed into position in the area indicated
by the arrow in Fig. 10. (Fig. 9, 10 and 11)
*When fitting the rubber contacts, raise both ends of the
frame so that keys do not push the rubber contact up.
Install the MK circuitboard in the assembly so that the
hooks (B) hold it as shown in Fig 11.
[L50]: Bind Head Tapping Screw-P 3.0 x 8 MFZN2Y (EP600280)
[220]: Bind Head Tapping Screw-P 3.0 x 8 MFZN2Y (EP600280)
[250]: Bind Head Tapping Screw-P 4.0 x 8 MFZN2BL (VB931600)
[220]: Bind Head Tapping Screw-P 3.0 x 8 MFZN2Y (EP600280)

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CIRCUIT BOARDS
• M Circuit Board
Component side
Note: See partslist for details of circuit board component parts.
DC-INPHONES / OUTPUT
to LCD Unitto BATTERY
to SW-CN102
to SPEAKER (L)to SPEAKER (R)
to VR-CN602
to MIDI-CN301
to MKC-CN1 to MKC-CN2
to PN-CN202
to LCD-CN402
M: 2NA-V536720 1

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Pattern side

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Component side
Pattern sideComponent side
to M-CN201
Piano
METRONOME
DEMO
DJ
1
4
7
-
2
5
8
0
3
6
9
+
OUT
MIDI
MULTI PAD 4 MULTI PAD 3 MULTI PAD 2 MULTI PAD 1 VOICE STYLE SONG TEMPO / TAP MAIN A/B INTRO
ENDING STYLE START /STOP SYNC START
L
TOUCH
R
OVERALL
DICT
ACOMPA
ON/OFF
SUSTAININ
to M-CN301
• PN Circuit Board
• MIDI Circuit Board
MIDI: 2NA-V536720 1
PN: 2NA-V536700
Note: See partslist for details of circuit board component parts.
Boxed names on the Circuit Board are switch name.

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Component side
Component side Component side Component side
Pattern side
Note: See partslist for details of circuit board component parts.
• LCD Circuit Board
• MKC Circuit Board • VR Circuit Board • PW Circuit Board
to MK-Hto MK-Lto MK-L
to M-CN901 to M-CN801 to M-CN601
to M-CN101
to M-CN401
PN: 2NA-V536700
LCD: 2NA-V536370
MKC: 2NA-V345820
VR: 2NA-V536700
PW: 2NA-V536700

PIN NAME I/O FUNCTION PIN NAME I/O FUNCTION
NO. NO.
1 PL0 I/O 51 DAC_Vdd Power supply
2 PL1 I/O 52 SYI I Synch. signal
3 PL2 I/O 53 ICN I Inicial Clear
4 PL3 I/O Port L 54 Vss Ground
5 PL4 I/O 55 MA19 O
6 PL5 I/O 56 MA18 O Memory address bus
7 PL6 I/O 57 MA8 O
8 Vdd Power supply 58 Vdd Power supply
9 PA0 I/O 59 MA17 O
10 PA1 I/O 60 MA9 O
11 PA2 I/O Port A 61 MA7 O Memory address bus
12 PA3 I/O 62 MA10 O
13 PA4 I/O 63 MA6 O
14 PA5 I/O 64 MA11 O
15 PB0 I/O 65 Vss Ground
16 PB1 I/O 66 MA5 O
17 PB2 I/O Port B 67 MA12 O
18 PB3 I/O 68 MA4 O Memory address bus
19 PB4 I/O 69 MA13 O
20 PB5 I/O 70 MA3 O
21 Vss Ground 71 MA14 O
22 PC0 I/O 72 Vdd Power supply
23 PC1 I/O 73 MA2 O
24 PC2 I/O Port C 74 MA15 O
25 PC3 I/O 75 MA1 O Memory address bus
26 PC4 I/O 76 MA16 O
27 PC5 I/O 77 MA0 O
28 PD0 I/O 78 MA20 O
29 PD1 I/O 79 Vss Ground
30 PD2 I/O Port D 80 ROMLOEN O OEN pin
31 PD3 I/O 81 MD15 I/O
32 PD4 I/O 82 MD0 I/O
33 PD5 I/O 83 MD7 I/O
34 Vdd Power supply 84 MD8 I/O Memory data Input / output
35 PE0 I/O 85 MD14 I/O
36 PE1 I/O 86 MD1 I/O
37 PE2 I/O Port E 87 MD6 I/O
38 PE3 I/O 88 MD9 I/O
39 PE4 I/O 89 Vdd Power supply
40 PE5 I/O 90 MD13 I/O
41 TESTE I Test Mode E 91 MD2 I/O
42 TESTD I Test Mode D 92 MD5 I/O
43 Vss Ground 93 MD10 I/O Memory data Input / output
44 DACLMM O 1bit DAC Output L (-) 94 MD12 I/O
45 DACLPP O 1bit DAC Output L (+) 95 MD3 I/O
46 DACRPP O 1bit DAC Output R (+) 96 MD4 I/O
47 DACRMM O 1bit DAC Output R (-) 97 MD11 I/O
48 DAC_Vss Ground 98 Vss Ground
49 X_O O Crystal quarts Output 99 MIDII I MIDI Input
50 X_I I Crystal quarts Input 100 MIDIO O MIDI Output
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• YMW728-F (XU355A00) GEW12 (AWM Tone Generator)
LSI PIN DISCRIPTION
M: IC701
IC BLOCK DIAGRAM
PIN NAME I/O FUNCTION PIN NAME I/O FUNCTION
NO. NO.
1 S22 O 41 DB2 I/O
2 S21 O 42 DB3 I/O
3 S20 O 43 DB4 I/O Data interface
4 S19 O 44 DB5 I/O
5 S18 O 45 DB6 I/O
6 S17 O 46 DB7 I/O
7 S16 O 47 C1 O
8 S15 O 48 C2 O
9 S14 O 49 C3 O
10 S13 O 50 C4 O
11 S12 O Segment signal output for LCD driving 51 C5 O
12 S11 O 52 C6 O
13 S10 O 53 C7 O
14 S9 O 54 C8 O Common signal output for LCD driving
15 S8 O 55 C9 O
16 S7 O 56 C10 O
17 S6 O 57 C11 O
18 S5 O 58 C12 O
19 S4 O 59 C13 O
20 S3 O 60 C14 O
21 S2 O 61 C15 O
22 S1 O 62 C16 O
23 Vss Ground 63 S40 O
24 OSC1 I Oscillator 64 S39 O
25 OSC2 O Oscillator 65 S38 O
26 V1 66 S37 O
27 V2 67 S36 O
28 V3 Power supply 68 S35 O
29 V4 69 S34 O
30 V5 70 S33 O
31 CLK1 O Data latch clock 71 S32 O Segment signal output for LCD driving
32 CLK2 O Data shift clock 72 S31 O
33 Vdd Power supply (+5V) 73 S30 O
34 M O Alternated signal for LCD driver output 74 S29 O
35 D O Display data interface 75 S28 O
36 RS I 76 S27 O
37 R/W I Read/write 77 S26 O
38 E I Enable 78 S25 O
39 DB0 I/O Data interface 79 S24 O
40 DB1 I/O Data interface 80 S23 O
• KS0066U-10B (XV226A00) LCD DRIVER
BSBS FILTER
ST. BY
T . S . D
(N.C.)
BS2
OUT2
Vcc
OUT1
BS1
POWER-GND
STBY
FILTER
NF1
IN1 IN2
NF2
PRE-GND1 PRE-GND2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
1
2
3
4
5
6
7
A
B
Select
Enable
Output
B
CC
G2A G2A
G2B G2B
G1 G1
Y7 Y7
16
15
14
13
12
11
10
Vcc
Y0
Y0
Y1
Y1
Y2
Y2
Y3 Output
Y3
Y4
Y4
Y5
Y5
8
GND 9Y6
A
Y6
1
A
23456789
+V -IN -V
+INOUT
AAA
+V-IN
+IN OUT
BBB
-
+
B
-
+
LCD: IC401
M: IC501 M: IC801, 802 M: IC601

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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.
4. Jigs:
Foot switch (FC-4, FC-5), MIDI cable
B. HOW TO ENTER THE TEST PROGRAM
While pressing the C2#, F2 and G2# keys, turn on the [STAND BY / ON] switch.
C. PROCEEDING THROUGH THE TEST PROGRAM
The LCD will display ”TEST” when entering the test program.
To select the program number, use the [TENKEY +] button.
To execute the test, press the [START / STOP] button.
To proceed to the next test, press the [START / STOP] button.
D. TEST PROGRAM LIST
No. LCD display Test Function and Judgment Criteria
1 001: Version Displays ROM version
ROM (Program, Wave) versions are displayed alternately on the LCD.
2 002: Rom Chk 1 Checks the ROM
The test result appears on the LCD.
3 003: Ram Chk 1 Checks all the RAMs which are connected to the CPU
The test result appears on the LCD.
11 011: TG1 Chk Outputs the sine wave by changing the channels in sequence from C2 to D#3.
After auto-scaling is finished, individual keys can be played. (If playing two or more keys
simultaneously, the first pressed key has priority to make a sound.)
13 013: Pit Chk Connect the frequency counter to the [PHONES / AUX OUT] jack.
Check that the 440 Hz + 1.76 Hz signal is output.
14 014: Output R Connect the level meter (with a JIS-C filter) to the [PHONES / AUX OUT] jack. (33 ohm load)
Set the [MASTER VOLUME ] at maximum.
Check the output level (1kHz).
Phones L: Less than -60.0 dBm (-60.6 dBm at the 30 ohm load)
Phones R: -25.5 dBm +/- 2 dB (-26.1 dBm +/- 2 dB at the 30 ohm load)
15 015: Output L Connect the level meter (with a JIS-C filter) to the [PHONES / AUX OUT] jack. (33 ohm load)
Set the [MASTER VOLUME ] at maximum.
Check the output level (1kHz).
Phones L: -25.5 dBm +/- 2 dB (-26.1 dBm +/- 2 dB at the 30 ohm load)
Phones R: Less than -60.0 dBm (-60.6 dBm at the 30 ohm load)
19 019: Noise Connect the level meter (with a JIS-C filter) to the [PHONES / AUX OUT] jack. (33 ohm load)
Set the [MASTER VOLUME ] at maximum.
Phones L / R: Less than -80.0 dBm (-80.6 dBm at the 30 ohm load)

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20 020: 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.
28 028: LCD On Check that all LCD dots are on.
29 029: LCD Off Check that all LCD dots are off. The LCD becomes white.
31 031: PD1 Chk Connect the foot switch to the [FOOT SWITCH] jack.
Check that the C3 note is output when starting the test program.
Check that the C4 note is output when pushing the pedal and that the tone is turned off when
releasing the pedal.
The test result appears on the LCD.
37 037: MIDI Chk After connecting the [MIDI IN] jack and [MIDI OUT] jack with a MIDI cable, execute the test.
Check that the C4 note is output and that the test result appears on the LCD.
If the test result is NG, press the lowest (leftmost) key on the keyboard to execute the test.
41 041: ROM Chk 2 Checks the ROM. The test result appears on the LCD.
42 042: RAM Chk 2 Checks the RAMs that are connected to the CPU.
The test result appears on the LCD.
48 048: Test Exit Exit from the test program after executing this test.

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MIDI IMPLEMENTATION CHART
YAMAHA [ PSR-260 ] Date:26-JAN-2000
Model PSR-260 MIDI Implementation Chart Version : 1.0
Transmitted Recognized RemarksFunction...
Basic Default 1 - 7,10 1 - 7,10
Channel Changed x x
Default 3 3
Mode Messages x x
Altered ************** x
Note 0 - 127 0 - 127
Number : True voice ************** 0 - 127
Velocity Note ON o 9nH,v=1-127 *1 o 9nH,v=1-127
Note OFF x 9nH,v=0 x 9nH,v=0 or 8nH
After Key's x x
Touch Ch's x x
Pitch Bend x x
0,32 o *2 o *2
Bank Select LSB,MSB
7o o Volume
10 o o Pan
6,38 x x Data Entry
Control 64 o o Sustain
71-74 x x
Change 84 o o Portamento Cntrl
96-97 x x RPN Inc,Dec
98,99 x x NRPN LSB,MSB
100-101 x x RPN LSB,MSB
91,93,94 x x
Prog o 0 - 127 *3 o 0 - 127 *3
Change : True # ************** *3
System Exclusive o *4 o *4
: Song Pos. x x
Common : Song Sel. x x
: Tune x x
System :Clock x x
Real Time:Commands x x
Aux :All Sound OFF x x
:Reset All Cntrls x x
:Local ON/OFF x x
:All Notes OFF x x
Mes- :Active Sense o o
sages:Reset x x
Mode 1 : OMNI ON , POLY Mode 2 : OMNI ON ,MONO o : Yes
Mode 3 : OMNI OFF, POLY Mode 4 : OMNI OFF,MONO x : No
NOTE:
*1 Depending on the selected voice, the transmitted velocity value may differ, even for notes played with identical strength.
*2 MSB can be used to change the voice for the Melody or Rhythm.
MSB=00H: Melody Voice
MSB=7FH: Rhythm Voice
LSB: Refer to Voice list.
*3 For program change values, refer to the voice list.
Program change and other like channel messages receivedwill not affect the PSR-260 panel settings or what is being played on the keyboard.
*4 <GM System on> F0H, 7EH, 7FH, 09H, 01H, F7H All data is restored to the default values.
*5 MIDI does not function (transmit/receive) in the Song mode.

PSR-260/262
1
PARTS LIST
A: Australian model M: South African model
B: British model O: Chinese model
C: Canadian model Q: South-east Asia model
D: German model R: Export model
E: European model T: Taiwan model
F: French model U: U.S.A model
G: Belgian model V: General export model (110V)
H: North European model W: General export model (220V)
I: Indonesian model N,X: General export model
J: Japanese model Y: Export model
CONTENTS
OVERALL ASSEMBLY.....................................................2
KEYBOARD ASSEMBLY.................................................4
ELECTRICAL PARTS.......................................................6
Note ) DESTINATION ABBREVIATIONS
The numbers in ”QTY” shows quantities for each unit.
The parts with ”--” in ”Part No.” are not available as spare parts.
The second letter of the shaded ( ) part number is I, not one.
The second letter of the shaded ( ) part number is O, not zero.
This mark ” ” in the REMARKS column means these parts are interchangeable.
WARNING
Components having special characteristics are marked and must be replaced with parts
having specifications equal to those originally installed.

2
PSR-260
OVERALL ASSEMBLY

10
10
10a
10a
10b
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
170a
170b
170c
170d
180
190
200
220
230
240
250
260
270
280
310
320
330
340
350
L10
L20
L30
L40
L40
L50
L60
L70
L100
07
26
11
01
01
03
01
01
01
01
01
03
03
03
06
09
10
01
01
03
2
2
3
6
5
39
15
5
8
3
11
2
2
2
8
REF NO. PART NO. DESCRIPTION QTY
RANK
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
OVERALL ASSEMBLY
Overall Assembly
Overall Assembly
Upper Case Assembly
Upper Case Assembly
Upper Case
Upper Case
Speaker Grille
Speaker
PN Rubber
PN Rubber
PN Rubber
PN Rubber
PN Rubber
PN Rubber
PN Rubber
PN Rubber
PN Rubber
PN Rubber
LCD Unit
Keyboard Assembly
Terminal
Spring Terminal
Lower Case Assembly
Lower Case
Plate, Leg
Bind Head Tapping Screw-P
Foot
Battery Cover Assembly
Push Knob
Volume Knob
Bind Head Tapping Screw-P
Bind Head Tapping Screw-P
Bind Head Tapping Screw-P
Bind Head Tapping Screw-P
Adhesive Tape
Adhesive Tape
Vibration-proof Tape
Circuit Board
Circuit Board
Battery Connector Assembly
Connector Assembly
Connector Assembly
ACCESSORIES
Music Rest
AC Adapter
AC Adapter
LCD UNIT
LCD Unit
Back Light Assembly
LCD Panel
LCD
Rubber Connector
Rubber Connector
Bind Head Tapping Screw-P
Circuit Board
Connector Assembly
Adhesive Tape
12.0cm 4ohm 3W
A1
A2
A3
B
C
D
E
F
G
H
PT
16M C61 P2M
CH
3.0X8 MFZN2Y
BL T1.6
KB200
3.0X8 MFZN2Y
3.0X12 MFZN2Y
3.0X25 MFZN2Y
4.0X8 MFZN2BL
12X90
12X50
18X25
PN
M
2P L=250/650
11P L=470 MK1
13P L=540 MK2
PA-3B JP
PA-32 CH
TYPE-A
TYPE-H
SS-105L
PO-SS-105L
3.0X8 MFZN2Y
LCD
2P L=220 LED
12X50
PSR-260/262
PSR-260 (V524060)
PSR-262 (V537230)
PSR-260
PSR-262
PSR-260 (V525250)
PSR-262 (V537290)
TOUCH
TEMPO/TAP
DEMO
OVERALL
DICT,L,R
ACCOMPANIMENTON/OFF,
SYNC START,START/STOP,
INTRO/ENDING,
MAIN/AUTO FILL
SONG,STYLE,VOICE
METRONOME,PIANO,DJ
1-9,0,+,-
MALTI PAD1,2,3,4 (V541450)
(V311450)
STANDBY/ON
MASTER VOLUME
(V537990)
(V545340)
(V545350)
PSR-260/262
PSR-260/262
PSR-260 J
PSR-260 O
PSR-260/262 (V541450)
(V541620)
REMARKS
PSR-260/262
3
* : New parts RANK : Japan only
--
--
V5252900
V5372700
--
--
V5173500
XV864A00
V5145400
V5145500
V5145600
V5145700
V5145800
V5145900
V5146000
V5146100
V5150000
V5146300
--
V3498500
VI663700
VI865800
V3337900
--
VI104400
EP600280
CB043750
VM754600
VQ218800
VU432400
EP600280
EP600300
VK228100
VB931600
V5912400
VA126100
VJ861500
V5367000
V5367200
--
--
--
V3385300
VT368600
VY944300
--
V5264900
V5339000
V5263800
V3755900
V5415400
EP600280
V5363900
--
VA126100