Marantz SR-4023 Service Manual

Service

SR4023

TUNING/ PRESET

MEMORY

STANDBY

POWER ON/STANDBY

MUTECLEART.MODEDIMMER F/P BANDS.DIRECT

DOWN

VOLUME

INPUT SELECTOR

RECEIVER SR4023

PHONES

DISP AUTO TUNED ST

SLEEP DIRECT SPKR B

SR4023 /

N1B/U1B

Manual

SECTION PAGE

1. TECHNICAL SPECIFICATIONS ........................................................................................... 1

2. POWER AMPLIFIER ADJUSTMENT .................................................................................. 2

3. SERVICE MODE .................................................................................................................. 3

4. UPDATE MICROPROCESSOR SOFTWARE PROCEDURE .............................................. 4

5. WIRING DIAGRAM .............................................................................................................15

6. BLOCK DIAGRAM ..............................................................................................................17

7. SCHEMATIC DIAGRAM .....................................................................................................19

8. PARTS LOCATION .............................................................................................................24

9. EXPLODED VIEW AND PARTS LIST ............................................................................... 33

10. MICROPROCESSOR AND IC DATA .................................................................................. 36

11. ELECTRICAL PARTS LIST ................................................................................................ 44

12. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE .............................. 62

Receiver

TABLE OF CONTENTS

Please use this service manual with referring to the user guide ( D.F.U. ) without fail.

SR4023

Part no. 90M03DW855010

First Issue 2008.07

MARANTZ DESIGN AND SERVICE

USA

MARANTZ AMERICA, INC

100 CORPORATE DRIVE MAHWAH, NEW JERSEY 07430 USA

EUROPE / TRADING

D&M EUROPE B. V.

P. O. BOX 8744, BUILDING SILVERPOINT BEEMDSTRAAT 11, 5653 MA EINDHOVEN THE NETHERLANDS PHONE : +31 - 40 - 2507844 FAX : +31 - 40 - 2507860

KOREA

D&M SALES AND MARKETING KOREA LTD.

CHUNG JIN B/D., #1001, 53-5, WONHYORO 3 GA, YONGSAN-GU, SEOUL, 140-719, KOREA PHONE : +82 - 2 - 323 - 2155 FAX : +82 - 2 - 323 - 2154

CANADA

D&M Canada Inc.

5-505 APPLE CREEK BLVD. MARKHAM, ONTARIO L3R 5B1 CANADA PHONE : 905 - 415 - 9292 FAX : 905 - 475 - 4159

JAPAN

D&M BUILDING, 2-1 NISSHIN-CHO, KAWASAKI-KU, KAWASAKI-SHI, KANAGAWA, 210-8569 JAPAN

D&M Holdings Inc.

CHINA

D&M SALES AND MARKETING SHANGHAI LTD.

ROOM.808 SHANGHAI AIRPORT CITY TERMINAL NO.1600 NANJING (WEST) ROAD, SHANGHAI, CHINA. 200040 TEL : 021 - 6248 - 5151 FAX : 021 - 6248 - 4434

Using superior design and selected high grade components, Only original

MARANTZ

parts can insure that your

MARANTZ

product will continue to perform to the speciﬁcations for which

company has created the ultimate in stereo sound.

it is famous. Parts for your

MARANTZ

ORDERING PARTS :

equipment are generally available to our National Marantz Subsidiary or Agent.

Parts can be ordered either by mail or by Fax.. In both cases, the correct part number has to be speciﬁed. The following information must be supplied to eliminate delays in processing your order :

1. Complete address

2. Complete part numbers and quantities required

3. Description of parts

4. Model number for which part is required

5. Way of shipment

6. Signature : any order form or Fax. must be signed, otherwise such part order will be considered as null and void.

NOTE ON SAFETY :

Symbol Fire or electrical shock hazard. Only original parts should be used to replaced any part marked with symbol . Any other component substitution (other than original type), may increase risk of ﬁre or electrical shock hazard.

安全上の注意：

がついている部品は、安全上重要な部品です。必ず指定されている部品番号のものを使用して下さい。

SHOCK, FIRE HAZARD SERVICE TEST :

CAUTION : After servicing this appliance and prior to returning to customer, measure the resistance between either primary AC

cord connector pins ( with unit NOT connected to AC mains and its Power switch ON ), and the face or Front Panel of product and controls and chassis bottom. Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC power is applied, and veriﬁed before it is return to the user/customer. Ref. UL Standard No. 60065.

In case of difﬁculties, do not hesitate to contact the Technical

Department at above mentioned address.

080702MZ

TUNING/ PRESET

MEMORY

STANDBY

POWER ON/STANDBY

MUTECLEART.MODEDIMMER F/P BANDS.DIRECT

DOWN

VOLUME

INPUT SELECTOR

RECEIVER SR4023

PHONES

DISP MULTI AUTO TUNED ST V – OFF NIGHT PEAK ANALOG

DIGITAL

ATT

SLEEP

SURR

AUTO

DIRECT DISC 6.1 MTX 6.1 SPKR B EQ

DIGITAL

SURROUND

PCM

LCR

SL S SR

LFE

15-5/16 in (388 mm)

7/8 in

(22 mm)

3/4 in

(17.5 mm)

13-3/4 in (348.5 mm)

9/16 in

(14 mm)

5-13/16 in

(146.5 mm)

17-5/16 in (440.0 mm)

6-3/8 in

(160.5 mm)

1. TECHNICAL SPECIFICATIONS

FM TUNER SECTION

Frequency Range ....................................... 87.5 - 108.0 MHz

Usable Sensitivity .................................. IHF 1.8 µV/16.4 dBf

Signal to Noise Ratio .......................... Mono/Stereo 75/70 dB

Distortion ...........................................Mono/Stereo 0.2/0.3 %

Stereo Separation ............................................... 1 kHz 45 dB

Alternate Channel Selectivity .................± 300 kHz 60 dB [N]

..........................................................± 400 kHz 60 dB [U]

Image Rejection ............................................... 98 MHz 70 dB

Tuner Output Level ............ 1 kHz, ± 40 kHz Dev 500 mV [N]

Tuner Output Level ............ 1 kHz, ± 75 kHz Dev 800 mV [U]

AM TUNER SECTION

Frequency Range .................................... 531 - 1602 kHz [N ]

....................................520 - 1710 kHz [U ]

Signal to Noise Ratio .................................................... 50 dB

Usable Sensitivity .......................................... Loop 400 µV/m

Distortion ....................................... 400 Hz, 30 % Mod. 0.5 %

Selectivity .................................................± 18 kHz 70 dB [N]

Selectivity .................................................± 20 kHz 70 dB [U]

AUDIO SECTION

Rated Power (40 Hz - 20 kHz)

8 ohms ..............................................................80 W / Ch

6 ohms ............................................................100 W / Ch

THD (40 Hz - 20 kHz) ...................................................0.08%

Input Sensitivity/Impedance

Linear .................................................. 200 mV/ 47 kohms

Signal to Noise Ratio (HIF A)

Linear ...................................................................... 95 dB

GENERAL

Power Requirement .........................AC 230 V 50/60 Hz [ /N ]

..............................AC 120 V 60 Hz [ /U ]

Power Consumption .....................................................220 W

Weight .........................................................................9.0 kg

ACCESSORIES

Remote Control Unit RC002SR ............................................1

AAA-size batteries ............................................................... 2

FM Antenna .......................................................................... 1

AM Loop Antenna ................................................................. 1

AC Power Cord ..................................................................... 1

User Guide ...........................................................................1

DIMENSIONS

2. POWER AMPLIFIER ADJUSTMENT

Idling Current Alignment

1. Each of the measurement points are provided with the two test points. Set a digital Voltage meter to DC voltage input,

connect the meter to the test points at both contact points.

2. After the setup above, turn on the main switch.

3. Adjust variable resistors (VR51 - VR61) according to the digital voltmeter readings. The target setting value is the

following table for each channels.

Settings :

Master Volume — Minimum

Speaker out — No Load

Top lid — OPEN

Channel Alignment Point Measurement Point

L ch VR51 CN51

R ch VR61 CN61

Time Table of Idling Current Rise

Ambient temperature

After Turning ON

10 min. 5 mV ± 0.5 mV

20 min. 5 mV ± 0.5 mV

30 min. 5 mV ± 0.5 mV

20 to 30 degrees centigrade

Measurement Voltage

V 0 8 0 6 1 2 1 N

Month Date

Release No. Destination

Year

M Z X X X X X X X X X

(XX is displayed in Hex)

S E R V I C E M O D E

S R 4 0 2 3

3. SERVICE MODE

Microprocessor (IC41) and FLD Segment Check Mode.

Connect the mains cord into the unit.1.

Press the 2. POWER ON/STANDBY button for turn on the unit.

Press the 3. DIMMER, MUTE and TUNING/PRESET UP buttons simultaneously more then 3 seconds.

The FL display shows "SERVICE MODE" for 2 seconds then shows the model name. 4.

Press the 5. S.DIRECT button, the software version of the MAIN CPU (IC41) is displayed in the format below.

Press the 6. S.DIRECT button again, the serial Number of the unit is displayed.

Press the 7. S.DIRECT button again, the left half, right half and center of the label area in the FLD light on and

off each other.

Press the 8. S.DIRECT button again, the segments of the character area in the FLD flick in checker pattern.

Press the 9. S.DIRECT button again to quit this mode.

HOW TO RESET THE UNIT

Should the operation or display seem to be abnormal, reset the unit with the following procedure.

The unit is turned on, press and hold the MUTE and S.DIRECT buttons simultaneously for 3 seconds or more.

Remember that the procedure will reset the settings of the TUNER PRESET etc., to their initial settings.

4. UPDATE MICROPROCESSOR SOFTWARE PROCEDURE

When microprocessor software was updated, update the

software in the following procedure.

4. UPDATE MICROPROCESSOR SOFTWARE PROCEDURE

マイコンのソフトウェアが更新された場合、下記の手順に従ってアップデートしてください。

Necessary Equipment

• Windows PC (OS: Windows2000 or WindowsXP) with

Serial port.

• RS-232C Dsub-9 pin cable (female to female/straight

type).

• DATA UPDATE KIT (90M-SR4500JIG)

• Update tool (FlashProg.exe, other files and folders in

Flash Programmer folder)

• Update data (SR4023_yymmdd-vv.h16)

NOTE : The yy is two digits of year. The mm is month. The

dd is date. The vv is release number.

The update data is same as SR5023 and ST6003.

[A] Update Procedure

Create the MODEL NAME folder into anywhere on your 1.

PC's hard disk.

(Ex.: SR4023_SR5023_ST6003)

Put the "Flash Programmer" and "software" folder into the 2.

MODEL NAME folder.

Double click the "Flash Programmer" folder. 3.

必要機器

• Windows PC (OS: Windows2000またはWindowsXP) で

Serialポートのあるもの

• RS-232Cストレートケーブル (9pinメス−9pinメス)

• DATA UPDATE KIT (90M-SR4500JIG)

• アップデート用書き込みソフトウェア

(Flash Programmerフォルダ内 FlashProg.exe、および他

のファイルとフォルダ)

• アップデート用データ (SR4023_yymmdd-vv.h16)

注意 : yyは年の下二桁、mmは月、ddは日、vvはリリースナン

バーアップデート用データはSR5023, ST6003と同じです。

[A] Update Procedure

モデル名のフォルダをPCのハードディスクに作成します。 1.

(例：SR4023_SR5023_ST6003) "Flash Programmer"と"software"フォルダをモデル名フォ2.

ルダにコピーします。

"Flash Programmer"フォルダをダブルクリックします。 3.

Double click FlashProg.exe, and launch the Flash 4.

Programmer.

FlashProg.exeをダブルクリックし、Flash Programmerを4.

起動します。

NOTE : When a Flash Programmer does not launch even if

double-clicked FlashProg.exe, please refer to "[B]

When a Flash Programmer did not launch".

The following dialog box appears several seconds later 5.

after the Flash Programmer launch.

Click OK.

NOTE : Since Flash Programmer communicates with the

unit automatically, the above dialog box appears

when it fails in communication.

注意 : FlashProg.exeをダブルクリックしてもFlash

Programmer が起動しない場合は、"[B] When a Flash Programmer did not launch"を参照してください。

Flash Programmer起動後、数秒で下記のダイアログボック5.

スが表示されます。

OKをクリックします。

注意 : Flash Programmerは本機に自動的に通信接続を行いま

す。このダイアログボックスは通信接続に失敗すると常に表示されます。

Click the 6. Setup in the menu bar and select the Object

file.

メニューバーから6. Setupをクリックし、Object fileを選択します。

Click 7. Browse.

Browse7. をクリックします。

Choose the8. iHEX Format(*.h16,*.h20) in Files of type.

Choose the SR4023_yymmdd-vv.h16, and click Open.

NOTE : The yy is two digits of year. The mm is month. The

dd is date. The vv is release number.

Files of type を8. iHEX Format(*.h16,*.h20)に変更します。 SR4023_yymmdd-vv.h16を選択し、Openをクリックしま

す。

注意 : yyは年の下二桁、mmは月、ddは日、vvはリリースナン

バー

Click 9. Device tab.

Device9. タブをクリックします。

Choose the 10. TMP86FS49 in the Device, and choose the

870/C in the Series.

Check the Address Option.

Click the Apply.

And click Communication tab.

Deviceから10. TMP86FS49を選び、Seriesから870/Cを選択

します。

Address Optionをチェックします。 Applyをクリックします。

そして、Communicationタブをクリックします。

Choose the 11. Serial port number in the COM Port.

Choose the 9600 in the Data Rare.

And Click OK.

COM Portから使用する11. ポート番号を選択します。 Data Rate Manualにチェックを入れ、Data Rareから9600

を選択します。

OKをクリックします。

Disconnect the mains cord from the unit.12.

Connect PC and the unit with the RS-232C cable.13.

Insert a thin rot to the hole and push the switch (SW73) 14.

inside to turn on the switch..

本機から電源ケーブルを外します。12.

DATA UPDATE KITとPCの各RS-232C端子をRS-232Cケ13.

ーブルで接続します。細い棒を使い本機のリアパネルにある穴からスイッチ14.

(SW73)を押します。

Connect the mains cord into the unit. And turn on the 15.

unit. (/N1B)

NOTE : When the unit is into boot mode, stand-by LED is

not lights up.

The Flash Programmer communicates automatically. 16.

When communication succeeds between a unit and a

program, you can operate it.

Click E (Erase).

本機に電源ケーブルを接続します。15.

注意 : 本機はブートモードになり、Stand-by LEDは点灯しま

せん。

Flash Programmerと本機との間で自動的に通信が行われ、16.

通信に成功すると操作が可能になります。

E (Erase)をクリックします。

Click 17. OK.

Click 18. OK.

OK17. をクリックします。

OK18. をクリックします。

Click 19. P (Program) to start update.

P (Program)19. をクリックし、アップデートを開始します。

Software is written into the microprocessor. 20.

The writing of software takes about 1 minute 15 seconds.

If the software is updated successfully, a dialog box 21.

saying "R006: Programming completed successfully."

appears.

Click OK.

ソフトウェアがマイコンに書き込まれます。 20. ソフトウェアの書き込みにかかる時間はおよそ1分15秒です。

アップデートが完了すると"R006: Programming 21.

completed successfully."と書かれたダイアログボックスが

表示されます。

OKをクリックします。

Click the 22. File in the menu bar and select the Exit.

メニューバーの22. Fileをクリックし、Exitを選択します。

Disconnect mains cord and RS-232C cable from the unit23.

Turn off the internal switch (SW73) that has been turned 24.

on at step 14.

Connect mains cord into the unit, and turn on the unit to 25.

reset it.

[B] When a Flash Programmer did not launch

Open the FlashProg.ini in the Flash Programmer folder 1.

by text editor. (EX.: Notepad, etc)

電源ケーブルとRS-232Cケーブルを本機から外します。23. 手順14のスイッチ(SW73)を押してブートモードを解除し24. ます。電源ケーブルを接続し、電源を入れ、本機をリセットしま25. す。

[B] When a Flash Programmer did not launch

Flash Programmerフォルダ内のFlashProg.iniをテキスト1.

エディタで開きます。（メモ帳など）

Delete the text "OpenFile=C:\...(your PC setting)...\???.2.

h16".

テキスト文の"OpenFile=C:\...(PC環境により異なりま2. す。)...\???.h16"を削除します。

Save the FlashProg.ini. 3.

FlashProg.iniを上書き保存します。 3.

Close the text editor. 4.

テキストエディタを閉じます。 4.

Probably you can launch the Flash Programmer. Go to 5.

the [A] Update Procedure step 4.

Flash Programmerを起動することが出来ますので5. [A] Update Procedure手順4に戻ってください。.

POWER

SW PWB

H/P

(HEADPHONE)

PWB

MAIN TRANSFORMER

SUB

TRANSFORMER

HEATSINK

CN91

CN92

JW99

CN95

CN94

CN71

CN43

CN42

JW98-1

JW98-3

JW98-2

CN93

CN36

BN95

CN81

FRONT PWB

MAIN PWB

VIDEO PWB

CN98(U VER ONLY)

BN71

(SR4023/SR5023)

TUNER

MODULE

BRIDGE DIODE

BN36

AC INLET

CN99

FFC CABLE

H/P

S2-S3

* TUNER MODULE

CN97(N VER ONLY)

N VER ONLY

U VER : FFC CABLE (15 PIN) N VER : FFC CABLE (17 PIN)

MAIN CAPACITOR

JW40

JW40-1

5. WIRING DIAGRAM

15 16

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