Yamaha PSR-E473 User manual

SERVICE MANUAL

PSR-E473

PK 001998 -A0

nCONTENTS

SPECIFICATIONS................................................................................... 3

PANEL LAYOUT ..................................................................................... 5

DISASSEMBLY PROCEDURE ............................................................... 8

Disassembling the keyboard (time required: About 13 minutes)........... 14

BACKUP................................................................................................ 16

INITIALIZATION .................................................................................... 17

INSPECTIONS ...................................................................................... 18

APPENDIX ............................................................................................ 29

CIRCUIT BOARDS................................................................................ 31

BLOCK DIAGRAM

CIRCUIT BOARD LAYOUT WIRING

OVERALL CIRCUIT DIAGRAM

PARTS LIST

PSR-E473

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 specically 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 servicing this product may result in personal injury,

destruction of expensive components and failure of the product to perform as specied. For these reasons, we advise

all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the

appointed service representative.

IMPORTANT :This presentation or sale of this manual to any individual or rm does not constitute authorization certication,

recognition of any applicable technical capabilities, or establish a principal-agent 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. Modications are, therefore, inevitable and changesin

specication are subject to change without notice or obligation to retrot. Should any discrepancy appear to exist, please contact the

distributor’s Service Division.

WARNING :Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated

by grounding yourself tothe ground bus in the unit (heavy gauge black wires connect tothis bus.)

IMPORTANT : Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power tothe unit.

WARNING

Components having special characteristics are marked and must be replaced with parts having specication equal to those

originally installed.

Be sure to

perform it

Saving and backing up your data

Some data items are automatically saved as backup data in the internal memory even if you turn the power off. Saved

data may be lost due to malfunction or incorrect operation. Save important data to external device such as a computer.

SAVING DATA

2.SERVICE MANUAL

PSR-E473

nSPECIFICATIONS

Product Name Digital Keyboard

Size/Weight

Dimensions (W x D x H) 992 mm × 404 mm × 136 mm

(39-1/16” x 15-7/8” x 5-3/8”)

Weight 7.0 kg (15 lbs., 7 oz.)

(not including batteries)

Control

Interface

Keyboard 16syeKforebmuN

dexiF,draH,muideM,tfoSesnopseRhcuoT

Other

Controllers

seYleehWdneBhctiP

2sbonK

hsilgnEegaugnaLlenaP

Voices

Tone

Generation

Tone Generation

TechnologyAWM Stereo Sampling

46).xam(ynohpyloP

Preset Number of Voices

820

(294 Panel Voices + 28 Drum/SFX kits

+ 40 Arpeggio + 458 XGlite Voices)

etilGX,MGytilibitapmoC

EffectsTypes

21breveR

5surohC

4QEretsaM

DSP DSP1:41

DSP2:12

Accompani-

ment Styles

Preset

092selytSforebmuN

drohCtramS,regnifitluMgniregniF

Style Control ACMP ON/OFF, SYNC START, SYNC STOP, START/STOP,

INTRO/ENDING/rit., MAIN/AUTO FILL, TRACK ON/OFF

01selytSlanretxE

Other

Features

One Touch Setting

(OTS)Yes

)FFS(tamroFeliFelytSytilibitapmoC

Groove

Creator Preset 53sevoorGforebmuN

Number of Sections 5 (4 Sections + 1 Musical Climax/Ending)

Songs

(MIDI)

Preset Number of Preset

Songs30

Recording

01sgnoSforebmuN

)rotaerCevoorG/elytS1+ydoleM5(6skcarTforebmuN

Data Capacity Approx. 19,000 notes (when only “melody” tracks are recorded)

Format )1&0stamroF(FMSkcabyalP

)noitcnufnoisrevnoc0FMS(tamroFeliFlanigirOgnidroceR

USB Audio

Recorder

gnoSrep)BG9.0.xorppa(setunim08).xam(emiTgnidroceR

Format )oerets,tib61,zHk1.

44(VAWkcabyalP

)oerets,tib61,zHk1.44(VAWgnidroceR

Quick

Sampling

pooL,tohsenOepyTgnilpmaS

4)resU/teserP(selpmaS

ces6.9.xorppAemiTgnilpmaS

seliftamrofVAW,ecafretnioiduaBSU,TUPNICIM,NIXUAsecruoSgnilpmaS

)oerets,tib61(tamroFeliFlanigirOtamroFgnilpmaS

zHk1.44etaRgnilpmaS

Functions Voices

seYlauD

seYtilpS

62ynomraH

251oiggeprA

seYnoitalucitrA

PSR-E473

Functions

Registration

Memory

)sknab8x(4snottuBforebmuN

ezeerFlortnoC

Overall

Controls

seYemonorteM

082–11egnaRopmeT

21+ot0,0ot21-esopsnarT

)stnemercnizH2.0.xorppa(zH0.354–0.044–0.724gninuT

seYnottuBevatcO

sepyt5epyTelacS

Miscella-

neous

seYnottuBONAIP

seYomeD

seYrosserppuSydoleM

seYedafssorC

oerets,tib61,zHk1.44ecafretnioiduaBSU

75tceffEnoitoM

)Bd6+dna,Bd3+.xorppa(spets2tsooBageM

Storage and

Connectivity

Storage BM27.1.xorppAyromeMlanretnI

evirdhsalfBSUsevirDlanretxE

Connectivity

V21NICD

kcajenohpoeretsdradnatSsenohpdaeH

seYenohporciM

seYladePniatsuS

kcajinimoeretSNIXUA

R,R+L/L:skcajenohpoeretsdradnatSTUPTUO

seYECIVEDOTBSU

seYTSOHOTBSU

Sound

System

W6+W6sreifilpmA

2xmc21srekaepS

Power

Supply

AC Adaptor

PA-150 or an equivalent

recommended by Yamaha

(Output : DC 12V, 1.5 A)

Batteries

Six "AA" size alkaline(LR6),

manganese (R6) or Ni-MH

rechargeable (HR6) batteries

Power Consumption

9 W (When using PA-150 AC adaptor)

seYffOrewoPotuA

Included Accessories

• Owner’s Manual

• AC adaptor* (PA-150 or an equiva-

lent recommended by Yamaha)

* May not be included depending

on your area. Check with your

Yamaha dealer.

• Music Rest

• Online Member Product Registration

Separately Sold Accessories

(May not be available depending on your area.)

• Keyboard Stand: L-2C

• AC adaptor: PA-150 or an equiva-

lent recommended by Yamaha

• Headphones: HPH-150/HPH-100/

HPH-50

• Subwoofer: KS-SW100

• Footswitch: FC4A/FC5

• Wireless MIDI adaptor: UD-BT01

PSR-E473

nPANEL LAYOUT

■Front Panel

A D E F G

CB Display

As illustrated, each note of the keyboardhas a specic note numberand name (e.g., 036/C1), which is used in making various

settings, such as Split Point.

[ ](Standby/On)switch

[MASTERVOLUME]control

[ARTICULATION]button

About the button names in

(SHIFT function)

While holding down the [SHIFT]button, press the

button to call up the function name in the box.

For example, while holding down the[SHIFT]but-

ton, press the [MIC VOCAL/TALK/MUTE]button

to call up the display.

Press and hold

036

(C1)

048

(C2)

060

(C3)

072

(C4)

084

(C5)

096

(C6)

[MICVOCAL/TALK/MUTE]button

[MOTIONEFFECT]button

[KNOBASSIGN]button,[A]/[B]knobs

LIVECONTROL

[SPLIT]button

[DUAL]button

[HARMONY/ARPEGGIO]button

SOUNDCONTROL

[DSP2]button

[DEMO]button

[METRONOME]button

[TEMPO/TAP]button

[REC]button

OCTAVE[−][+]buttons

[SHIFT]button

❶

❷

❸

❶❷❸

❻

❺

❾❽

❼ ❿

⓯

⓰

⓮⓭⓬⓫

❹

❿

⓫

⓬

⓭

⓮

⓯

⓰

❹

❺

❻

❼

❽

❾

PSR-E473

[VOICE]button

[STYLE]buttons

[SONG/AUDIO]buttons

[GROOVECREATOR]buttons

Dial

Category/Numberinputbuttons,[EXIT]button,

[ENTER]button

[FUNCTION]button

[PORTABLEGRAND]button

[MEGABOOST]button

Playbackcontrolbuttons

[TRACKCONTROL]buttons

[REGISTRATIONMEMORY]buttons

⓴ ⓱

󱢿

󱣏 󱣐 󱣑 󱣒 󱣓

󱣀󱢾

⓱

⓲

⓳

⓴

󱢾

󱢿

󱣀

󱣁

󱣂

󱣃〜󱣈

󱣉〜󱣎

󱣃

󱣉 󱣊 󱣋 󱣌 󱣍 󱣎

󱣄 󱣅 󱣆 󱣇 󱣈

󱣁 󱣂

⓳ ⓲

[A]−[D]pads

[LOOPHOLD]button

[CAPTURE]button

[PITCHBEND]wheel

QUICKSAMPLING

󱣏〜󱣓

󱣔〜󱣗

󱣘

󱣙

󱣚

󱣘󱣔 󱣕 󱣖 󱣗 󱣙

PSR-E473

󱣛 󱣜 󱣝 󱣞 󱣟 󱣠 󱣡 󱣢 󱣣

■RearPanel

[SUSTAIN]jack

OUTPUT[L/L+R]、[R]jacks

[PHONES]jack

[MICINPUT]jack

[GAIN]knob

[AUXIN]jack

[USBTODEVICE]terminal

[USBTOHOST]terminal

DCINjack

󱣛

󱣜

󱣝

󱣞

󱣠

󱣡

󱣢

󱣣

󱣟

PSR-E473

nDISASSEMBLY PROCEDURE

Caution:

▪ Be sure to attach the removed filament tape just as it was before removal.

1. Lower Case Assembly (Time required: About 3 minutes)

1. Remove the 8 screws marked [70], the 6 screws marked [75] and the 5 screws marked [80]. The Lower Case Assembly can

then be removed. (Fig.1)

*When installing the lower case assembly, first tighten the screw marked [75A] and then the remaining screws. (Fig.1)

[75]

[80]

[75]

[70]

[80]

[75A]

[75]

[80]

[75]

[A]

Bottom view

Top view

BATTERY COVER ASSEMBLY

SP GRILLE R ASSEMBLY

ENCODER KNOB

CONTROL KNOB

VOLUME

SP GRILLE L ASSEMBLY

Fig.1

PSR-E473

2. DMLCD Circuit Board (Time required: About 6 minutes)

1. Remove the lower case assembly. (See procedure 1)

2. Remove the 13 screws [380A]. The DMLCD circuit board can then be removed. (Fig.2)

*After replacing the DMLCD circuit board, execute "Factory Reset" in the Test program.

[380I] PB

MVR

[380H] [380D] x14 [380A] x13

[380B] [380B] [380B] [380C] [380C]

[380F] x6[380E] x4 [380G] x3

PNL-B PNR-B

AMPN

DMLCD

JACKKNOB

ENC

Bottom view

Fig.2

3. LCD (Time required: About 7 minutes)

1. Remove the lower case assembly. (See procedure 1)

2. Remove the DMLCD circuit board. (See procedure 2)

3. Remove the back light assembly. (Fig.3)

4. Remove the rubber connector. (Fig.3)

5. Remove the LCD display. (Fig.3)

*Avoid touching the conductive part of the rubber connector as much as possible. Should foreign matter or dirt adhere,

remove such contamination using adhesive tape or the like. Do not wipe off using solvents such as benzene or alcohol.

(Fig.3)

DMLCD

LCD display

BACK LIGHT ASSEMBLY

RUBBER CONNECTOR

Fig.3

PSR-E473

4. PNL-B, PNR-B, AMPN, KNOB, JACK and ENC Circuit Board

1. Remove the lower case assembly. (See procedure 1)

l PNL-B Crcuit Board (Time required: About 6 minutes)

1. Remove the 11 screws [380B]. The PNL-B circuit board can then be removed. (Fig.2)

l PNR-B Crcuit Board (Time required: About 6 minutes)

1. Remove the 10 screws [380C]. The PNR-B circuit board can then be removed. (Fig.2)

l AMPN Crcuit Board (Time required: About 7 minutes)

1. Remove the 14 screws [380D]. The AMPN circuit board can then be removed. (Fig.2)

l KNOB Crcuit Board (Time required: About 5 minutes)

1. Remove the 2 control knobs from the control panel surface. (Fig.1)

2. Remove the 4 screws [380E]. The KNOB circuit board can then be removed. (Fig.2)

l JACK Crcuit Board (Time required: About 6 minutes)

1. Remove the 6 screws [380F]. The JACK circuit board can then be removed. (Fig.2)

l ENC Crcuit Board

1. Remove the encoder knob from the control panel surface. (Fig.1 and Fig.4)

2. Remove the 3 screws [380G]. The ENC circuit board can then be removed. (Fig.2)

ENCODER KNOB

Fig.4

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