SR4320
Part no. 19AW855012
2nd Issue 2003.12
ecm
Printed in Japan
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
Service
Manual
Printed on 100% Recycled Paper
SR4320
SPEAKERS
DISPLAY OFF
STANDBY
PHONES
POWER ON/OFF
JOG MODE
MUTE
SLEEP
SPEAKERS
S-DIRECT
B
A
CLEAR
F/P
MODE
TUNING/PRESET
MEMORY
TUNER
CD
TAPE
PHONO
DVD
VCR
DSS
CDR/MD
DOWN
VOLUME
UP
RECEIVER SR4320
MULTI - JOG
Receiver
SR4320 /A1B/N1B/U1B
/N1G
TABLE OF CONTENTS
SECTION
PAGE
1. TECHNICAL SPECIFICATIONS ............................................................................ 1
2. WIRING DIAGRAM................................................................................................ 3
3. BLOCK DIAGRAM ................................................................................................. 5
4. SCHEMATIC DIAGRAM ........................................................................................ 7
5. PARTS LOCATION .............................................................................................. 11
6. IC DATA................................................................................................................ 21
7. EXPLODED VIEW AND PARTS LIST ................................................................. 25
8. SERVICE PROCEDURE ..................................................................................... 29
9. ELECTRICAL PARTS LIST ................................................................................. 30
2nd EDITION
· The model no.SR4320/N1B/N1G was added in this service manual.
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.
030307MIT
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
130 JOO SENG ROAD
#03-02 OLIVINE BUILDING
SINGAPORE 368357
PHONE : +65 6858 5535 / +65 6381 8621
FAX
: +65 6858 6078
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
LENBROOK INDUSTRIES LIMITED
633 GRANITE COURT,
PICKERING, ONTARIO L1W 3K1
CANADA
PHONE : 905 - 831 - 6333
FAX
: 905 - 831 - 6936
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
1. TECHNICAL SPECIFICATIONS
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
A.C.S ........................................................................................................................................................... ± 400 kHz 50 dB
Image Rejection............................................................................................................................................ 98.1 MHz 70 dB
Tuner Output Level ...................................................................................................................1 kHz, ± 75 kHz Dev 500 mV
AM Tuner Section
Frequency Range ................................................................................................................................ 531 - 1602 kHz [/A/N]
....................................................................................................................................520 - 1710 kHz [/U]
Usable Sensitivity .............................................................................................................................................. Loop 400 µV
Signal to Noise Ratio .................................................................................................................................................... 50 dB
Distortion 1 kHz, 30% Mod. 1.0%
Selectivity ...................................................................................................................................................... ± 10 kHz 40 dB
Audio Section
Rated Power ............................................................................................................................. 40 Hz - 20 kHz 8 W 80 W/Ch
........................................................................................................................... 40 Hz - 20 kHz 6 W 100 W/Ch
THD ..............................................................................................................................................40 Hz - 20 kHz 8 W 0.08%
Input Sensitivity/Impedance
Linear ........................................................................................................................................................ 200 mV/47 kW
Signal to Noise Ratio (IHF A)
Linear ...................................................................................................................................................................... 95 dB
Others
Power Supply...................................................................................................................................... AC 230 V 50 Hz [/A/N]
..........................................................................................................................................AC 120 V 60 Hz [/U]
Power Consumption .......................................................................................................................................... 250 W [/A/N]
................................................................................................................................................2.3 A [/U]
Dimensions (MAX)
Width ..................................................................................................................................................... 440 mm (17-5/16 in)
Height ...................................................................................................................................................... 164 mm (6-7/16 in)
Depth ....................................................................................................................................................... 365 mm (14-3/8 in)
Weight .......................................................................................................................................................... 8.4 kg (18.5 lbs)
Accessories
Remote Control Unit RC4320SR ........................................................................................................................................ 1
FM Feeder Antenna ............................................................................................................................................................ 1
AM Loop Antenna ............................................................................................................................................................... 1
AC Power Cord [/A/N] ...........................................................................................................................................................1
AAA-Size Batteries ...............................................................................................................................................................2
Warranty Card[/N/U] .............................................................................................................................................................1
User Guide ...........................................................................................................................................................................1
2
Personal notes:
3
4
3. WIRING DIAGRAM
/A/N
ONL
Y
/A/N ONLY