Volume
STANDBY
PHONES
DOWN-VOL-UP
FUNCTION
STOP
PLAY/IIPAUSE
ER2500
OPEN/CLOSE
POWER
ON/STANDBY
DVD Surround Receiver
ER2500
Part no. 90M16BW855010
First Issue 2004.07
ecm
Service
Manual
ER2500 /N1S /S1S /U1S
Please use this service manual with referring to the user guide (D.F.U) without fail.
ER2500
TABLE OF CONTENTS
SECTION
PAGE
1. TECHNICAL SPECIFICATIONS ........................................................................................... 1
2. SERVICE HINTS AND TOOLS ............................................................................................. 3
3. WARNING AND LASER SAFETY INSTRUCTIONS ............................................................ 4
4. EMERGENCY DISC EJECT ................................................................................................. 5
5. BACK END SOFTWARE (Firmware) VERSION CHECK ..................................................... 6
6. REPLACING MECHA LOADER AND MECHA TRAVERSE ................................................. 7
7. BACK END SOFTWARE (Firmware) UPDATE PROCEDURE ............................................. 8
8. POWER AMPLIFIER DC OFFSET ADJUSTMENT .............................................................. 9
9. WIRING DIAGRAM ............................................................................................................. 11
10. BLOCK DIAGRAM .............................................................................................................. 12
11. SCHEMATIC DIAGRAM ..................................................................................................... 13
12. PARTS LOCATION ............................................................................................................. 20
13. IC DATA .............................................................................................................................. 23
14. EXPLODED VIEW AND PARTS LIST ................................................................................ 32
15. ELECTRICAL PARTS LIST ................................................................................................ 35
MARANTZ DESIGN AND SERVICE
Using superior design and selected high grade components,
MARANTZ company has created the ultimate in stereo sound.
Only original
MARANTZ parts can insure that your MARANTZ product will continue to perform to the specifications for which
it is famous.
Parts for your
MARANTZ equipment are generally available to our National Marantz Subsidiary or Agent.
ORDERING PARTS :
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.
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. 1492.
In case of difficulties, do not hesitate to contact the Technical
Department at above mentioned address.
040401ECM
SUPERSCOPE TECHNOLOGIES, INC.
USA
MARANTZ AMERICA, INC
1100 MAPLEWOOD DRIVE
ITASCA, IL. 60143
USA
PHONE : 630 - 741 - 0300
FAX
: 630 - 741 - 0301
JAPAN Technical
MARANTZ JAPAN, INC.
35- 1, 7- CHOME, SAGAMIONO
SAGAMIHARA - SHI, KANAGAWA
JAPAN 228-8505
PHONE : +81 42 748 1013
FAX
: +81 42 741 9190
EUROPE / TRADING
MARANTZ EUROPE B.V.
P. O. BOX 8744, BUILDING SILVERPOINT
BEEMDSTRAAT 11, 5653 MA EINDHOVEN
THE NETHERLANDS
PHONE : +31 - 40 - 2507844
FAX
: +31 - 40 - 2507860
AUSTRALIA
QualiFi Pty Ltd,
24 LIONEL ROAD,
MT. WAVERLEY VIC 3149
AUSTRALIA
PHONE : +61 - (0)3 - 9543 - 1522
FAX
: +61 - (0)3 - 9543 - 3677
NEW ZEALAND
WILDASH AUDIO SYSTEMS NZ
14 MALVERN ROAD MT ALBERT
AUCKLAND NEW ZEALAND
PHONE : +64 - 9 - 8451958
FAX
: +64 - 9 - 8463554
THAILAND
MRZ STANDARD CO., LTD
746 - 754 MAHACHAI ROAD.,
WANGBURAPAPIROM, PHRANAKORN,
BANGKOK, 10200 THAILAND
PHONE : +66 - 2 - 222 9181
FAX
: +66 - 2 - 224 6795
TAIWAN
PAI- YUING CO., LTD.
6 TH FL NO, 148 SUNG KIANG ROAD,
TAIPEI, 10429, TAIWAN R.O.C.
PHONE : +886 - 2 - 25221304
FAX
: +886 - 2 - 25630415
MALAYSIA
WO KEE HONG ELECTRONICS SDN. BHD.
2ND FLOOR BANGUNAN INFINITE CENTRE
LOT 1, JALAN 13/6, 46200 PETALING JAYA
SELANGOR DARUL EHSAN, MALAYSIA
PHONE : +60 - 3 - 7954 8088
FAX
: +60 - 3 - 7954 7088
AMERICAS
MARANTZ PROFESSIONAL PRODUCTS
2640 WHITE OAK CIRCLE, SUITE A
AURORA, ILLINOIS 60504 USA
PHONE : 630 - 820 - 4800
FAX
: 630 - 820 - 8103
KOREA
MK ENTERPRISES LTD.
ROOM 604/605, ELECTRO-OFFICETEL, 16-58,
3GA, HANGANG-RO, YONGSAN-KU, SEOUL
KOREA
PHONE : +822 - 3232 - 155
FAX
: +822 - 3232 - 154
SINGAPORE
WO KEE HONG DISTRIBUTION PTE LTD
No.1 JALAN KILANG TIMOR
#08-03 PACIFIC TECH CENTRE
SINGAPORE 159303
PHONE : +65 6376 0338
FAX
: +65 6376 0166
HONG KONG
Jolly ProAudio Broadcast Engineering Ltd.
UNIT 2, 10F, WAH HUNG CENTRE,
41 HUNG TO ROAD, KWUN TONG, KLN.,
HONG KONG
PHONE : 852 - 21913660
FAX
: 852 - 21913990
CANADA
MARANTZ CANADA INC.
5-505 APPLE CREEK BLVD.
MARKHAM, ONTARIO L3R 5B1
CANADA
PHONE : 905 - 415 - 9292
FAX
: 905 - 475 - 4159
TECHNICAL AUDIO GROUP PTY, LTD
43-53 Bridge Rd.,
STANMORE NSW 2048
AUSTRALIA
PHONE : +61 - (0)2 - 9519 - 0900
FAX
: +61 - (0)2 - 9519 - 0600
AUSTRALIA
1
AMPLIFIER SECTION
Output power (6ohms, 1 kHz, THD 0.8%) ................ 90 W/Ch
Output power (6ohms, 1 kHz, THD 5%) ................. 100 W/Ch
Total Harmonic Distortion .............................................. 0.1%
Signal-to-Noise Ratio ................................................... 80 dB
TUNER SECTION
FM
Tuning Range .... FM 87.5 ~ 108 MHz (50 kHz steps) [/N]
FM 87.5 ~ 108 MHz (100 kHz steps) [/U]
FM 87.5 ~ 108 MHz (50 kHz steps) [/S]
Signal-to-Noise Ratio ............................. FM Mono 70 dB
FM Stereo 70 dB
Total Harmonic Distortion ........................ FM Mono 0.3%
FM Stereo 0.3%
Stereo Separation ........................................ 1 kHz 40 dB
AM
Tuning Range ...... AM 531 ~ 1629 kHz (9 kHz steps) [/N]
AM 520 ~ 1720 kHz (10 kHz steps) [/U]
AM 531 ~ 1629 kHz (9 kHz steps) [/S]
Signal-to-Noise Ratio ............................................. 35 dB
Harmonic Distortion ................................ 30% Mod. 2.0%
1. TECHNICAL SPECIFICATIONS
DVD SECTION
Laser Type ..................................................... Semiconductor
Disc Diameter ...................................................... 12cm / 8cm
Video Decoding ........................................................ MPEG-2
Video DAC ...................................................... 54MHz/10 Bits
Video Format .......................................................... 4:3 / 16:9
Frequency Response ................... 20 Hz - 20 kHz (44.1 kHz)
20 Hz - 22 kHz (48 kHz)
GENERAL
Power Supply Rating ........................... AC 230 V / 50 Hz [/N]
AC 120 V / 60 Hz [/U]
AC 230 V / 50 Hz [/S]
Power Consumption .................................................... 155 W
Dimensions (W x H x D) ........... 430 mm x 360 mm x 74 mm
Weight ......................................................................... 5.5 kg
Operating temperature .............. 5 °C ~ 35 °C (40 °F ~ 95 °F)
Operating humidity ................................................ 5% ~ 90%
About Discs
Playable discs
Not Playable Discs
· DVD discs whose region number is not "2" nor "ALL".
· DVD-ROM
· DVD-RAM
· DVD-Audio
· CD-ROM
· CDV
· CD-G
· CVD
· Super Audio CD
· CD Photo, etc.
Caution
Some copy-controlled CDs may not conform to official CD
standards. They are special discs and may not play on
the this unit.
DVD
DVD+R/DVD+RW
DVD-R/DVD-RW
Finalized DVD disc recorded in the DVD video
format.
Video CD (VCD) /
Super Video CD(SVCD)
Audio CD (CD-DA)
CD-R/CD-RW
Finalized CD-R and CD-RW discs recorded in
the CD-DA format, MP3 format (
p4 "ABOUT
MP3/WMA") or Video-CD format can be played
with the unit.
* Finalize is the process to make a DVD+R/DVD+RW, DVD-
R/DVD-RW or CD-R/CD-RW playable for players (not
recorders)
* Some discs may not be able to be played depending on
condition of the discs and recording software.
2
Video Format
This unit can handle with MULTI, NTSC or PAL format.
Caution
This unit cannot handle with NTSC4.43 and SECAM
formats.
SETTING PICTURE FORMAT
1. Every time the NTSC/PAL button on the remote is
pressed, picture format changes in the following order.
NTSC
PAL
MULTI
Caution
· If wrong color or disordered picture appears in the MULTI
mode, switch the mode to NTSC or PAL.
· If a disc recorded in PAL(NTSC) is played in the
NTSC(PAL) mode, picture may be disordered.
ABOUT DVD DISCS
Marks on packages
The marks listed below indicate contents in a disc.
Indicates the number of recorded audio tracks.
Indicates the number of recorded subtitle languages.
Indicates the number of recorded angles.
Indicates the selectable aspect ratios.
Indicates the region number of the disc.
4
2
2
16 : 9 LB
2
ALL
REGIONAL RESTRICTION CODES (REGION NUMBER)
Regional restriction codes are built in to ER2500 player and
DVD discs for each sales region. If the regional code of the
ER2500 player does not match one of the regional codes of
the DVD disc, playback is not possible.
The region number can be found on the rear panel of the
ER2500 player. The illustration below shows the regions and
corresponding region numbers.
STRUCTURE OF DVD DISCS
Depending on the material on the disc (a movie, video clips,
a drama series, etc.), these discs may have one or more
Titles, and each Title may have one or more Chapters. To
make access easy and convenient, your player lets you
move between Titles and between Chapters.
About Video CDs
VARIATIONS OF VIDEO CD
· Video-CD Version 2.0
The Video-CD with PBC (Play Back Control : Menu
playback function) function. You can choose or search a
section to play with a menu displayed on the TV screen.
Also still pictures can be displayed in higher quality.
· Video-CD Version 1.1
The video-CD without PBC function. It can play video and
audio by operation much like to the ordinary audio-CD.
STRUCTURE OF VIDEO-CD DISCS
Depending on the material on the disc (a movie, video clips,
a drama series, etc.), these discs may have one or more
tracks, and tracks may have one or more indexes, as
indicated on the disc case. To make access easy and
convenient, your player lets you move between tracks and
between indexes.
About Audio CD
STRUCTURE OF AUDIO CD
Audio CDs contain music tracks only.
You can play them in conventional style through a stereo
system, using the keys on the remote control and/or front
panel.
ABOUT MP3/WMA
MP3 is the compressed music file in MPEG1, Audio Layer 3
format.
A WMA(Windows Media Audio) file is a Microsoft audio
compression technology. WMA offers double the audio
compression of the MP3 format.
Microsoft, Windows Media, and the Windows
Logo are trademarks or registered trademarks
of Microsoft Corporation in both the United
States and other countries.
MP3/WMA PLAYBACK
· This player can play MP3/WMA discs recorded in
ISO9660 format.
· The player plays the files with ".mp3/.WMA" extension
only.
· The maximum file number in a disc is 650. (Including the
number of folders.)
· The maximum folder layer number is 8.
· When playing a MP3/WMA disc, it may take more than 30
seconds depending on the number of files and folder
layer structure.
3
2. SERVICE HINTS AND TOOLS
DVD test disc (NTSC) ALMEDIO
TDV-540
SERVICE TOOLS
Audio signals disc
4822 397 30184
Disc without errors (SBC444)+
Disc with DO errors, black spots and fingerprints (SBC444A)
4822 397 30245
Disc (65 min 1kHz) without no pause
4822 397 30155
Max. diameter disc (58.0 mm)
4822 397 60141
Torx screwdrivers
Set (straight)
4822 395 50145
Set (square)
4822 395 50132
13th order filter
4822 395 30204
DVD test disc (PAL)
4822 397 10131
SERVICE HINTS