Yamaha PSR-E373 Manuale utente

370

SERVICE MANUAL

PSR-E373 YPT-370

PK 001996 -A0

n CONTENTS

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

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

CIRCUIT BOARD LAYOUT & WIRING.................................................... 7

BLOCK DIAGRAM................................................................................... 8

DISASSEMBLY PROCEDURE................................................................ 9

CIRCUIT BOARDS................................................................................ 16

DMLCD Circuit Board Check Method.................................................... 22

TEST PROGRAM.................................................................................. 23

BACKUP................................................................................................ 30

INITIALIZATION..................................................................................... 31

SYSTEM BOOTING FLOW CHART...................................................... 32

PARTS LIST

OVERALL CIRCUIT DIAGRAM

PSR-E373/YPT-370

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-E373/YPT-370

SPECIFICATIONS

Product Name Digital Keyboard

Size/Weight

Dimensions (W x D x H) 945 mm x 369 mm x 118 mm

(37-3/16” x 14-1/2” x 4-5/8”)

Weight 4.6 kg (10 lb 2 oz)

(not including batteries)

Control Interface

Keyboard 16syeKforebmuN

dexiF,draH,muideM,tfoSesnopseRhcuoT

Display

DCLepyT

seYthgilkcaB

hsilgnEegaugnaL

hsilgnEegaugnaLlenaP

Voices

Tone GenerationTone Generation

Technology AWM Stereo Sampling

84).xam(ynohpyloP

Preset Number of Voices

622

(241 Panel Voices + 22 Drum/SFX kits + 20 Arpeggio +

339 XGlite Voices)

etilGX/MGytilibitapmoC

Effects

Types

sepyt83PSD

sepyt21breveR

sepyt5surohC

sepyt6QEretsaM

Functions

seYlauD

seYtilpS

seYniatsuS

sepyt62ynomraH

sepyt051oiggeprA

seYrosserppuSydoleM

)secioVetiLnoitalucitrArepuS11(seYnoitalucitrA

Accompaniment

Styles

Preset

502selytSforebmuN

regnifitluM,drohCtramSgniregniF

Style Control ACMP ON/OFF, SYNC START, START/STOP, INTRO/ENDING/rit.,

MAIN/AUTO FILL

01selytSlanretxE

Other Features

071esabataDcisuM

One Touch Setting

(OTS) Yes

)FFS(tamroFeliFelytSytilibitapmoC

Songs (MIDI)

Preset Number of Preset Songs154

(including Touch Tutor: 10, Chord Study: 12, Chord Progression: 30)

Recording

5sgnoSforebmuN

2skcarTforebmuN

seton000,01.xorppAyticapaCataD

Format 1&0stamroFFMSkcabyalP

tamroFeliFlanigirOgnidroceR

Functions

Lesson

KEYS TO SUCCESS, Lesson 1–3 (Listening, Timing, Waiting),

Phrase Repeat, A-B Repeat, Chord Dictionary, Touch Tutor,

Chord Study, Chord Progression

oerets,tib61,zHk1.44)TSOHOTBSU(oiduABSU

Registration

Memory 9snottuBforebmuN

Overall Controls

seYemonorteM

082–11egnaRopmeT

21+ot0,0ot21-esopsnarT

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

seYouD

)nottuBdnarGelbatroP(seYnottuBONAIPsuoenallecsiM

Storage and

Connectivity

BM4.1.xorppAyromeMlanretnIegarotS

Connectivity

V21NICD

Headphones/Output Standard stereo phone jack (PHONES/OUTPUT)

seYladePniatsuS

)kcajinimoeretS(seYNIXUA

seYTSOHOTBSU

Sound System W5.2+W5.2sreifilpmA

2xmc21srekaepS

PSR-E373/YPT-370

* The contents of this manual apply to the latest specications as of the publishing date. To obtain the latest manual, access the Yamaha

website then download the manual le. Since specications, equipment or separately sold accessories may not be the same in every locale,

please check with your Yamaha dealer.

Power Supply

AC Adaptor

Users within U.S or Europe: PA-130 or an equivalent recommended

by Yamaha

Others: PA-3C,PA-130 or an equivalent recommended by Yamaha

Batteries Six 1.5 V “AA” size alkaline (LR6), manganese (R6) or

six 1.2 V “AA” size Ni-MH rechargeable batteries (HR6)

)rotpadaCA031-APgnisunehW(W5noitpmusnoCrewoP

)tesebnacemiT(seYffOrewoPotuA

Included Accessories

•Music rest

•Owner’s Manual

•AC adaptor *1 (PA-130 or an equivalent recommended by Yamaha)

•Online Member Product Registration

*1: May not be included depending on your particular area. Please check

with your Yamaha dealer.

Separately Sold Accessories

(May not be available depending on your area.)

•AC adaptor:

Users within U.S or Europe: PA-130 or an equivalent recommended by

Yamaha

Others: PA-3C, PA-130 or an equivalent recommended by Yamaha

•Keyboard stand: L-2C

•Headphones: HPH-50/HPH-100/HPH-150

•Footswitch: FC4A/FC5

PSR-E373/YPT-370

PANEL LAYOUT

Front Panel

6C5C4C3C2C1C

Song ListStyle List Display Voice List

Music

Database List

•The illustrations and displays as shown in this manual are based on the PSR-E373.

NOTE

❶

❸

❷

❹

❻

❺❼

❽

❾

❿⓫ ⓬ ⓭ ⓮ ⓯

⓰

⓱

⓲

⓳

⓴ 󱢾 󱢿 󱣀 󱣁

󱣂

󱣃

󱣄

󱣅

󱣆

PSR-E373/YPT-370

[ ] (Standby/On) switch

[MASTER VOLUME] dial

[DEMO] button

[METRONOME] button

[TEMPO/TAP] button

PART

[L] button

[R] button

[REC TRACK 2] button

[REC TRACK 1] button

[KEYS TO SUCCESS] button

[PHRASE REPEAT] button

[1 LISTENING 2 TIMING 3 WAITING] button

[A-B REPEAT] button

[REW] button

[FF] button

[PAUSE] button

[ACMP ON/OFF] button

[INTRO/ENDING/rit.] button

[MAIN/AUTO FILL] button

[SYNC START] button

[START/STOP] button

[REC] button

[VOICE] button

[SONG] button

[STYLE] button

Number buttons [0]–[9], [+/YES], [-/NO]

[PORTABLE GRAND] button

[DSP] button

[ARTICULATION] button

[REGIST MEMORY] button

[FUNCTION] button

[MUSIC DATABASE] button

[DUAL] button

[SPLIT] button

[HARMONY/ARPEGGIO] button

Drum illustrations for the Drum Kit

Each of these indicates the drum or percussion instrument

assigned to the corresponding key for “Standard Kit 1.”

[SUSTAIN] jack

[PHONES/OUTPUT] jack

[AUX IN] jack

[USB TO HOST] terminal*

DC IN jack

In the Lesson mode

In the Recording mode

In the Song mode

In the Style mode

Rear Panel

❶

❷

❸

❹

❺

❻

❼

❽

❾

❿

⓫

⓬

⓭

❿

⓫

⓬

⓭

⓮

⓯

⓰

⓱

⓲

⓳

⓴

󱢾

󱢿

󱣀

󱣁

󱣂

󱣃

󱣄

󱣅

󱣆

󱣇

󱣈

󱣉

󱣊

󱣋

󱣇 󱣈 󱣉󱣊

󱣋

PSR-E373/YPT-370

CIRCUIT BOARD LAYOUT & WIRING

DMLCD

PNL

MVR

PNR

811 56 12 7

61L-MK 61H-MK

DC-IN

4 13

1 23

WH050

WH040

WH030

WH020

WH010

500

350

250

230

220

210

(ZW76710)

(ZA17230)

(ZA18010)

(ZA18500)

(ZA17370)

(ZW81430)

(WE14140)

(VDM2390)

(ZW81320)

(ZZ74010)

(ZW81310)

(ZZ74000)

(ZW81300)

(ZZ73990)

DMLCD - CN302

MVR(PNL) - CN301

DMLCD - CN301

DMLCD - CN801

DC-IN(PNL) - CN102

PNR - CN202

PNL - CN107

DMLCD - CN303

PNL - CN103

DMLCD - CN501

DMLCD - CN502

15P L=100

3P L=100

8P L=50

11P L=75

4P L=50

2P L=165

2P L=70

3P L=240

7P L=550

5P L=620

PNR - CN201

PNL - CN105

PNL - CN106

PNL - CN104

PNL - CN101

61L-MK - CN05

61H-MK - CN02

SP1

BATT

MK13

MK12

MK11 61H-MK - CN01 DMLCD - CN503 12P L=550*1

*4*1

No.

910

UPPER CASE ASSEMBLY

LOWER CASE ASSEMBLY

SPEAKER (L) SPEAKER (R)

Destination RemarksUnit Name Location Parts No.

BACK-LIGHT ASSEMBLY

BATTERY TERMINAL (+/-)

Connection Method

*1: Installation

*2: Manual soldering

*3: Dip soldering

Connection Direction

Connector

Assembly

Table

Wiring assemblies list

PNL and PNR

CIRCUIT BOARD

LOWER CASE

ASSEMBLY

UPPER CASE

ASSEMBLY SPEAKER R

SPEAKER L

*4: Edge mark is adjusted to Pin 1 mark ( mark).

*5: Red wire is connected to (+) terminal. Black wire is

connected to (-) terminal.

*6: Eage mark is adjusted to + mark.

*7: Red wire is connected to (+) terminal. White wire is

connected to (-) terminal.

*8: Connected

*9: Red wire is adjusted to Pin 1 mark ( mark).

上ケース Assʼy

下ケース Assʼy

スピーカー（L）スピーカー（R）

配線先

表結線リスト

備考ユニット名

ロケーション

部品番号束線名

下ケースAssʼy

PNLシート、

PNRシート

上ケースAssʼy スピーカ右

スピーカ左

バックライトAssʼy

電池端子(+/-)

接続方法

*1:差込み

*2:手半田

*3:ディップ

接続方向

*4:エッジマークが1ピン側(△)

*5:赤色線材が(+)端子、黒色線材が(‒)端子

*6:エッジマークが+側

*7:赤色線材が(+)端子、白色線材が(‒)端子

*8:接続済

*9:赤色線材が1ピン側(△)

* The parts with “( )” in “Part No.” are not available as spare parts.

Caution:

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

PSR-E373/YPT-370

BLOCK DIAGRAM

DMLCD

LCD

PNR (PN 2/4)

PNL (PN 1/4)

DC-IN

(PN 4/4)

MVR

(PN 3/4)

CPU

SWX03S

RESONATOR QUARTZ

16.9344MHz

F Tolerance±50PPM

SDO1,SYSCLK

BCLK,WCLK

RESONATOR QUARTZ

48MHz

F Tolerance±50PPM

N[11-16],N[21-26]

ADC24bit

PCM1803A

AUXIN-IN

PHONES

(Prog/WAV/

Backup)

SERIAL

NOR

512Mbit

SDRAM

256Mbit

D.AMP

YDA176

FUNC_DP, FUNC_DM

VBUS, PULLUP_ENB

Filter

DAC 24bit

AK4430

+3.3D +5A

AUX IN

AUXIN-IN

RC Filter

/HP-MUTE

HP-IN

SDI,SYSCLK

BCLK,WCLK

SDO0,SYSCLK

BCLK,WCLK

/DAMP-MUTE

MVR

DECORDER

74LV138A

DECORDER

74LV138A

61KEY (16NS)

TOUCHRESPONSE

To Host

Full speed

SUSTAIN GP_IN7

GP_INOUT24-31

MA0-12

MD0-15

WEN,RCLK

LDQM,UDQM,

RASN,CASN,

CS2N

GP_INOUT0-7

RS,ENB

SDI,SDO0,SDO1

SYSCK

BCLK,WCLK

RESN

KYB01-04

KYN11-16

KYN21-26

/PSWI

PSWO

AN0

HeartBeat

GP_INOUT35

GP_OUT1

/MUTE GP_INOUT34

GP_INOUT32/DAMP-MUTE

/DETECT-CHECK GP_INOUT33

+HP

CN503

(12P)

CN501

(7P)

CN502

(5P)

/PSWI

PSWO

CN1

(12P)

CN2

(5P)

CN5

(7P)

PVDD

+5A

+3.3D

GP_OUT5

/ADC_IC

FUNC_DP

FUNC_DM

VBUS

PULLUP_ENB

MUTE

Circuit

+3.3A

AN1

/HP-MUTE

UCLK_I

UCLK_O

+3.3D

SUSTAIN

Battery

Monitor

STANDBY/ON

*More than 400ms

/PSWI

PSWO

MVR

+3.3D

“AA”size,LR6 or equivalent batteries

Battery 1.5×6

SUSTAIN

PA[0-7]

PB[0-2]

RESET

+2.9V 54.8ms

+5D

PA[0-7]

PB[0-2]

PA[0-2]

PB[3-7]

PA[0-2]

PB[3-7]

AC adaptor

PA-130B or equivalent

DC-IN

MASTER

VOLUME

B 10K

BACKLIGHT

LED:1PC(WHITE)

LCD

DISPLAY

PA[0-7]

RS,ENB

+5D

COM[1-16]

SEG[1-40]

SPR+

SPR-

SPL+

SPL-

SPR+

SPR-

Lch

SPEAKER

Sustain

Rch

SW MATRIX

( SW24 PCS )

SW MATRIX

( SW14 PCS )

SPEAKER

*1 correspond to 1Gbit

SPL+

SPL-

SPL+

SPL-

SPR+

SPR-

LCD

DRIVER

Error

Detection

HP-IN

/MUTE

/DETECT

HeartBeat

/DAMP-MUTE

/DETECT-CHECK

/HP-MUTE

IO00-IO03

CS0N, CLK0

WRH

WRL

WRB

/RES

CS52WRN

CS53WRN

GP_OUT7

CS51WRN

+3.3D

+5D

+3.3A

+3.3V

REGULATOR

+5A

+3.3D +5V

DC/DC

Ripple

Filter

PVDD

+HP

+5L

Internal Clock : 135.4752MHz

Master Clock : 67.7376MHz

(TYPE-B)

(stereo mini)

ADC/DAC/D.AMP

Audio Format:I2S

24bit 44.1kHz

+3.3D +3.3D

B[09-13]

B[01-08]

B[07-11]

B[01-07]

N[11-16],

N[21-26]

KYB[01-04]

6 /12cm

CN303 (2P)

CN201 (15P)

CN202

(2P)

CN302 (15P)

CN301 (8P)

CN106 (8P)

CN107

(2P)

CN104 (11P)

CN105

(3P)

CN301

(3P)

CN801 (11P)

CN103 (3P)

CN102

(4P)

CN101

(4P)

CN401

JK701 JK201

JK201

VR301

JK101

FZ101

TR103

TR102

SW101

IC001

PSR-E373/YPT-370

DISASSEMBLY PROCEDURE

Caution:

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

Lower Case Assembly (Time required: About 3 minutes)

1. Remove the 5 screws marked [120] and the 9 screws marked [100]. The lower case assembly can then be removed. (Fig.1)

*When installing the lower case assembly, first tighten the screw marked [100A] and then the remaining screws. (Fig.1)

[100]

[120]

[100A]

[100]

[A]

Bottom view

Top view SP GRILLE ASSEMBLY

BATTERY COVER ASSEMBLY

SP GRILLE ASSEMBLY

VOLUME KNOB

底面図

上面図 SPグリルAssʼy

電池蓋Assʼy

SPグリルAssʼy

ボリュームツマミ

Fig.1

PSR-E373/YPT-370

DMLCD Circuit Board (Time required: About 6 minutes)

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

2. Remove the 12 screws [380A]. The DMLCD circuit board can then be removed. (Fig.2)

*When installing the DMLCD circuit board, tighten the screws 1 through 2 in numerical order. (Fig.2)

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

[380A]

[380A] [380A]

[380A]

[380B] x2

[380C]

[370]

[380E] [380E]

[380E][380E]

[380D] [380D]

DC-IN

PNRDMLCDPNL

MVR

Bottom view底面図

Fig.2

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

液晶ディスプレイ

バックライトAss'y

ゴムコネクター

Fig.3

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