SR5000
Service
Manual
Please use this service manual with referring to the user guide (D.F.U) without fail.
285W855010 AO
3120 785 22170
First Issue:1999.10
SR5000/N1B, /K1B, /K1G, /U1B, /U1G
AV Surround receiver
SR5000
SR5000SR5000
TABLE OF CONTENTS
1. TECHNICAL SPECIFICATION ...............................................................................1
2. WIRING DIAGRAM.................................................................................................2
3. BLOCK DIAGRAM ..................................................................................................3
4. SCHEMATIC DIAGRAM AND PARTS LOCATION .................................................5
5. MICROPROCESSOR AND IC DATA ....................................................................33
6. ADJUSTMENT PROCEDURE ..............................................................................37
7. EXPLODED VIEW AND PARTS LIST...................................................................40
8. ELECTRICAL PARTS LIST...................................................................................43
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.
990729A.O
USA
MARANTZ AMERICA, INCMARANTZ AMERICA, INC.
440 MEDINAH ROAD
ROSELLE, ILLINOIS 60172
USA
PHONE : 630 - 307 - 3100
FAX : 630 - 307 - 2687
BRAZIL
MARANTZ BRAZIL
CAIXA POSTAL 21462
CEP 04698-970
SAO PAULO, SP, BRAZIL
PHONE : 0800 - 123123
(Discagem Direta Gratuita)
FAX : +55 11 534. 8988
JAPAN
Technical
MARANTZ JAPAN, INC.
35- 1, 7- CHOME, SAGAMIONO
SAGAMIHARA - SHI, KANAGAWA
JAPAN 228-8505
PHONE : +81 42 748 1013
FAX : +81 42 748 9190
EUROPE / TRADING
MARANTZ EUROPE B.V.
P.O.BOX 80002, BUILDING SFF2
5600 JB EINDHOVEN
THE NETHERLANDS
PHONE : +31 - 40 - 2732241
FAX : +31 - 40 - 2735578
CANADA
LENBROOK INDUSTRIES LIMITED
633 GRANITE COURT,
PICKERING, ONTARIO L1W 3K1
CANADA
PHONE : 905 - 831 - 6333
FAX : 905 - 831 - 6936
AUSTRALIA
JAMO AUSTRALIA PTY LTD
1 EXPO COURT, P.O. BOX 350
MT. WAVERLEY VIC 3149
AUSTRALIA
PHONE : +61 - 3 - 9543 - 1522
FAX : +61 - 3 - 9543 - 3677
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.
NO. 102 JALAN SS 21/35, DAMANSARA
UTAMA, 47400 PETALING JAYA
SELANGOR DARUL EHSAN, MALAYSIA
PHONE : +60 3 - 7184666
FAX : +60 3 - 7173828
AMERICAS
SUPERSCOPE TECHNOLOGIES, INC.
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 (S) PTE LTD
WO KEE HONG CENTRE
NO.23, LORONG 8, TOA PAYOH
SINGAPORE 319257
PHONE : +65 2544555
FAX : +65 2502213
1
1. TECHNICAL SPECIFICATIONS
FM TUNER SECTION
FREQUENCY RANGE.................................................................................................................... 87.5 - 108.0 MHz
USABLE SENSITIVITY ...............................................................................................................IHF 0.9 V/10.8 dBf
SIGNAL TO NOISE RATIO .............................................................................................. MONO/STEREO 70/65 dB
DISTORTION .................................................................................................................. MONO/STEREO 0.2/0.5 %
STEREO SEPARATION..........................................................................................................................1 kHz 45 dB
A.C.S................................................................................................................................................ 400 kHz 55 dB
IMAGE REJECTION ............................................................................................................................98 MHz 50 dB
TUNER OUTPUT LEVEL.......................................................................... 1 kHz, 40kHz Dev 600 mV (/N1B, /K1B)
................................................................................................................................................ 75 kHz (/U1B,/U1G)
AM TUNER SECTION
FREQUENCY RANGE.........................................................................................522 - 1620 kHz (/N1B, /K1B,/K1G)
...................................................................................................................................... 520 - 1710 kHz (/U1B,/U1G)
USABLE SENSITIVITY .................................................................................................................... LOOP 500 V/m
SIGNAL TO NOISE RATIO .......................................................................................................... 50 dB (at 94 dB/m)
DISTORTION ........................................................................................................................1 kHz, 30 % Mod.0.5 %
SELECTIVITY ................................................................................................................... 10 kHz 25 dB (at 85 dB)
AUDIO SECTION
RATED POWER (5ch drive)
Front....................................................................................................................20 Hz - 20 kHz 8 ohms 70 W/ch
Center ....................................................................................................................................1 kHz 8 ohms 70 W
Surround ........................................................................................................................... 1 kHz 8 ohms 70 W/ch
THD Front ..................................................................................................................20 Hz - 20 kHz 8 ohms 0.09 %
INPUT SENSITIVITY/IMPEDANCE
LINEAR ......................................................................................................................................... 200 mV/47k ohms
SIGNAL TO NOISE RATIO (IHF-A)
LINEAR ............................................................................................................................................................. 92 dB
VIDEO SECTION
Input/Output Level/Impedance ....................................................................................................... 1.0 Vp-p/75 ohms
OTHERS
POWER SUPPLY................................................................................................................... AC 230V 50 Hz (/N1B)
AC 220V 50 Hz (/K1B,K1G)
AC 120V 60 Hz (/U1B,/U1G)
POWER CONSUMPTION.....................................................................................................................380 W (/N1B)
380 W (/K1B,/K1G)
3.8 A (/U1B,/U1G)
DIMENSIONS (MAX)
WIDTH .......................................................................................................................................................... 440 mm
HEIGHT......................................................................................................................................................... 153 mm
DEPTH .......................................................................................................................................................... 425 mm
WEIGHT..........................................................................................................................................................13.5 kg
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT PRIOR NOTICE
2
2. WIRING DIAGRAM
3 4
3. BLOCK DIAGRAM
4. SCHEMATIC DIAGRAM AND PARTS LOCATION
Main
5
6
7 8
Q978
Q974
Q977
Q973
Q976
Q972
Q975
Q971
Q953
Q955
Q956
Q957
Q962 IC95 IC96 IC97 IC45 IC48 IC46
Q966
Q967 IC47
Q965
Q964
Q963
Main Board
9 10
Audio Input / Volume
11
Audio In / Volume Board
IC11
Q150, Q149
Q148
Q147
Q185, Q186, Q187
Q188, Q189, Q190
IC15, IC16, IC17
IC13
12
IC35
IC41
IC34
IC36
Q306, Q305
Q304, Q303
IC42
IC38, IC37
IC39
IC32
IC31
IC33
Q302, Q301
Digital In / DSP Board
13
14
Digital Input / DSP
15 16
Tuner (/N1)
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