Marantz SR-4021 Service Manual
Service
SR4021
RECORDER
F/PBAND
BALANCE
SPEAKERS
2
SOURCE
DIRECT
SPEAKERS
DISPLAYOFF
2
1
BASS
TREBLE
VCR
T-MODE
CLEAR
AUTOTUNE
MEMORY
1
DVD
DSS21 AUXTUNERCDPHONO
DOWN
VOLUME
MULTIJOG
UP
RECEIVER SR4021
SLEEP
DIMMER
MUTE
STANDBY
PHONES
POWERON/OFF
SR4021 /
N1B/N1S/U1B
Manual
MULTIJOG
SLEEP
STANDBY
POWERON/OFF
SECTION PAGE
1. TECHNICAL SPECIFICATIONS ........................................................................................... 1
2.
SOFTWARE VERSION CHECK ........................................................................................ 2
3. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE ................................ 2
4. WIRING DIAGRAM .............................................................................................................. 3
5. BLOCK DIAGRAM ............................................................................................................... 5
6. SCHEMATIC DIAGRAM ...................................................................................................... 7
7. PARTS LOCATION .............................................................................................................11
8. MICROPROCESSOR AND IC DATA ...................................................................................21
9. EXPLODED VIEW AND PARTS LIST ............................................................................... 25
10. SERVICE PROCEDURE .................................................................................................... 29
11. ELECTRICAL PARTS LIST ................................................................................................ 30
RECEIVER SR4021
DIMMER
PHONES
DISPLAYOFF
CLEAR
MEMORY
TREBLE
RECORDER
F/P
AUTOTUNE
BALANCE
TABLE OF CONTENTS
SPEAKERS
Receiver
VOLUME
T-MODE
DVD
DSS
DOWN
SOURCE
MUTE
DIRECT
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
SR4021
Part no. 90M13CW855010
First Issue 2006.06
MZ
MARANTZ DESIGN AND SERVICE
Using superior design and selected high grade components,
Only original
MARANTZ
parts can insure that your
MARANTZ
MARANTZ
product will continue to perform to the specifi cations 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 specifi ed.
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.
USA
MARANTZ AMERICA, INC
100 CORPORATE DRIVE
MAHWAH, NEW JERSEY 07430
USA
AUSTRALIA
QualiFi Pty Ltd,
24 LIONEL ROAD,
MT. WAVERLEY VIC 3149
AUSTRALIA
PHONE : +61 - (0)3 - 9543 - 1522
FAX : +61 - (0)3 - 9543 - 3677
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
THAILAND
MRZ STANDARD CO., LTD
746 - 754 MAHACHAI ROAD.,
WANGBURAPAPIROM, PHRANAKORN,
BANGKOK, 10200 THAILAND
PHONE : +66 - 2 - 222 9181
FAX : +66 - 2 - 224 6795
CANADA
MARANTZ CANADA INC.
5-505 APPLE CREEK BLVD.
MARKHAM, ONTARIO L3R 5B1
CANADA
PHONE : 905 - 415 - 9292
FAX : 905 - 475 - 4159
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
NEW ZEALAND
WILDASH AUDIO SYSTEMS NZ
14 MALVERN ROAD MT ALBERT
AUCKLAND NEW ZEALAND
PHONE : +64-9-8451958
FAX :+64-9-8463554
JAPAN
D&M Holdings Inc.
D&M BUILDING, 2-1 NISSHIN-CHO,
KAWASAKI-KU, KAWASAKI-SHI,
KANAGAWA, 210-8569 JAPAN
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 :+60-3-79547088
KOREA
MARANTZ KOREA CO., LTD.
ROOM 604, ELECTRO OFFICE, 16-58,
HANGGANG-RO 3GA, YONGSAN-KU,
SEOUL, 140-013, KOREA
PHONE : +82 - 2 - 323 - 2155
FAX : +82 - 2 - 323 - 2154
CHINA
MARANTZ SHANGHAI TRADING LTD.
ROOM.506 SHANGHAI LIGHT INDUSTRY MANSION
1578 NANJING (WEST) ROAD SHANGHAI
CHINA
TEL : 021 - 6248 - 1064
FAX : 021 - 6248 - 3565
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
verifi ed before it is return to the user/customer.
Ref. UL Standard No. 1492.
In case of diffi culties, do not hesitate to contact the Technical
Department at above mentioned address.
060607MZ
1. TECHNICAL SPECIFICATIONS
RECORDER
F/P
BAND
BALANCE
SPEAKERS
2
SOURCE
DIRECT
SPEAKERS
DISPLAYOFF
2
1
BASS
TREBLE
VCR
T-MODE
CLEAR
AUTOTUNE
MEMORY
1
DVD
DSS
21
AUX
TUNERCDCD
PHONO
DOWN
VOLUME
MULTIJOG
UP
RECEIVERSR4021
SLEEP
DIMMER
MUTE
STANDBY
PHONES
POWERON/OFF
FM TUNER SECTION
Frequency Range ....................................... 87.5 - 108.0 MHz
Usable Sensitivity ................................... IHF 2.0 µV/17.3 dBf
Signal to Noise Ratio .......................... Mono/Stereo 70/65 dB
Distortion ...........................................Mono/Stereo 0.2/0.3 %
Stereo Separation ............................................... 1 kHz 40 dB
Alternate Channel Selectivity ...................... ± 300 kHz 50 dB
Image Rejection ............................................... 98 MHz 70 dB
Tuner Output Level ...................1 kHz, ± 40 kHz Dev 500 mV
AM TUNER SECTION
Frequency Range .................................. 531 - 1602 kHz [ /N ]
..................................520 - 1710 kHz [ /U ]
Signal to Noise Ratio .................................................... 50 dB
Usable Sensitivity .............................................. Loop 400 µV
Distortion ........................................ 400Hz, 30 % Mod. 1.0 %
Selectivity ........................................................± 9 kHz 40 dB
AUDIO SECTION
Rated Power (20 Hz - 20 kHz)
8 ohms ..............................................................80 W / Ch
6 ohms ............................................................100 W / Ch
THD(20 Hz - 20 kHz) 8ohms .......................................0.08 %
Input Sensitivity/Impedance
Linear .................................................. 200 mV/ 47 kohms
Signal to Noise Ratio
Linear ...................................................................... 95 dB
GENERAL
Power Requirement .........................AC 230 V 50/60 Hz [ /N ]
..............................AC 120 V 60 Hz [ /U ]
Power Consumption ............................................220 W [ /N ]
..............................................2.3 A [ /U ]
Weight .......................................................11.7 kg (25.8 lbs)
ACCESSORIES
Remote Control Unit RC4021SR ..........................................1
AAA-size batteries ............................................................... 2
FM Antenna .......................................................................... 1
AM Loop Antenna .................................................................1
AC Power Cable ...................................................................1
DIMENSIONS
1 inch
(25 mm)
15-1/2 ins.
(387.5 mm)
(342.5 mm)
13-11/16 ins.
(20 mm)
17-5/16 ins.
(440 mm)
RECEIVERSR4021
MULTI JOG
SLEEP
STANDBY
POWER ON/OFF
SPEAKERS
DISPLAY OFF
CLEAR
BASS
DIMMER
PHONO
PHONES
F/P
BAND
MEMORY
TREBLE
RECORDER
TUNER
T-MODE
AUTO TUNE
BALANCE
SPEAKERS
VCR
DSS
AUX
VOLUME
DOWN
MUTE
DVD
13/16 ins.
UP
SOURCE
DIRECT
(146 mm)
6-1/2 ins.
5-13/16 ins.
(162.3 mm)
5/8 ins.
(16.3 mm)
1
2. SOFTWARE VERSION CHECK
A version of microprocessor is confirmed by the following.
1. Press the POWER ON/STANDBY button to turn on the unit.
2. Press MUTE and the SOURCEDIRECT buttons more than 3 seconds, while pressing the SLEEP button.
3. The front display shows “yymmdd-x” of software version for 4 seconds, while press those buttons.
REMARK : yy is two digits of year. mm is month. dd is date. x is version of release date.
INDICATION EXAMPLE : 060419-1
3. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE
When replaced of the U-PRO (Microprocessor) or the Flash ROM, confirm contents of the following.
PWB
Name
FRONT IC91 TMP87PM78FG, SR4021 A OTP
After replaced
A : Mask ROM (With software). No need write-in of software to the microprocessor.
B : Flash ROM (With software). Usually, no need write-in of software. But, when the software was updated, you should be
C : Empty Flash ROM (Without software). You should be write-in of the software to the microprocessor or flash ROM.
Pos.
No.
write-in of the new software to the microprocessor or flash ROM. Please check the software version.
Refer to "Update procedure" or "writing procedure", when you should be write-in the software.
Description
After
replaced
Remark
2
4. WIRING DIAGRAM
POWER-1 PWB
CUP11896Z-3
POWER-2 PWB
BN35
AC INLET
VIDEO PWB
MAIN PWB
H/P PWB
SW PWB
JOG PWB
FRONT PWB
TACT PWB
3 4
5. BLOCK DIAGRAM
65
6. SCHEMATIC DIAGRAM
MAIN PWB
Rin
Lin
BYPASS R
BYPASS L
TO POWER-1
7 8
FRONT PWB
SW PWB
POWER-2 PWB
VIDEO PWB
FROM VIDEO
POWER-1 PWB
TO MAIN
H/P PWB
JOG PWB
TACT PWB
109
7. PARTS LOCATION
6)$%/07"!
*/'07"!
11)# 1
6)$%/07""
)#
4!#407"!
*/'07""
)#
(007"!
0(07""
4!#407"!
Lead-free Solder
When soldering, use the Lead-free Solder (Sn-Ag-Cu).
11 12
-!).07"!
1 1
1 1
1 1
1
1
1
11
1 1
1 1 1 1
1
1 1 1 1 1 1
1
1 1
1 1 1 1
1 1
1
1
1 1
1
)# )#
Lead-free Solder
When soldering, use the Lead-free Solder
(Sn-Ag-Cu).
1413
-!).07""
)# )# )#
)# )#)#
)#
)#
)#
)#
)#
)#
Lead-free Solder
When soldering, use the Lead-free Solder
(Sn-Ag-Cu).
15 16
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