Yamaha PortaTone PSR-260 Bedienungsanleitung

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

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.

PSR-260/262

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

PSR-260/262

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

PSR-260/262

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

PSR-260/262

BLOCK DIAGRAM

LCD PN

MIDI

Speakers

Back Light

+3.3 D

+3.3 A

+5.0 D

DC-IN

LCD

RESET

IC701

100P

IC702

42P

GEW -12

IC103

REGULATOR

+3.3V

ROM

16Mbit

PROGRAM

STYLE

WAVE

BUFFER

IC601

BUFFER

IC601

61KEY (16M)

Keyboard

PHONES/

AUX OUT

YST

Battery

AC Adapter

IC301

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

49,50

44-47

9-20

99,100

1,2

11,12

3,5

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

12P 2P

5P 2P 2P

28CA1-8816210

PSR-260/262

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)

PSR-260/262

[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)

PSR-260/262

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)

PSR-260/262

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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