SR110
323W855010 MIT
3120 785 22710
First Issue 2001.09
Service
Manual
R
SR110
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
SR110 /F1S, /N1S, /U1S
Receiver
+
PHONES
WOW
MEMO
BAND
TIMER
TUNER
AMP
VOLUME
STANDBY
DISPLAY
MUTE
OPEN
SR110
STANDBY
DISPLAY
MUTE
OPEN
TABLE OF CONTENTS
SECTION
PAGE
1. TECHNICAL SPECIFICATIONS ................................................................................................................. 1
2. SERVICE MODE ......................................................................................................................................... 2
3. WIRING DIAGRAM ..................................................................................................................................... 3
4. BLOCK DIAGRAM ....................................................................................................................................... 5
5. SCHEMATIC DIAGRAM .............................................................................................................................. 7
6. PARTS LOCATION (Pattern Side) ............................................................................................................ 19
7. IC DATA .................................................................................................................................................... 23
8. EXPLODED VIEW AND PARTS LIST ....................................................................................................... 33
9. ELECTRICAL PARTS LIST ....................................................................................................................... 36
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.
010620MIT
USA
MARANTZ AMERICA, INC
MARANTZ AMERICA, INC.
1100 MAPLEWOOD DRIVE
ITASCA, IL. 60143
USA
PHONE : 630 - 741 - 0300
FAX
: 630 - 741 - 0301
BRAZIL
PHILIPS DA AMAZONIA IND. ELET. ITDA
CENTRO DE INFORMACOES AO
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 42 741 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
TECHNICAL AUDIO GROUP PTY, LTD
558 DARLING STREET,
BALMAIN, NSW 2041,
AUSTRALIA
PHONE : 61 - 2 - 9810 - 5300
FAX
: 61 - 2 - 9810 - 5355
CANADA
LENBROOK INDUSTRIES LIMITED
633 GRANITE COURT,
PICKERING, ONTARIO L1W 3K1
CANADA
PHONE : 905 - 831 - 6333
FAX
: 905 - 831 - 6936
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.
SUITE 8.1, LEVEL 8, MENARA GENESIS,
NO. 33, JALAN SULTAN ISMAIL,
50250 KUALA LUMPUR, MALAYSIA
PHONE : +60 3 - 2457677
FAX
: +60 3 - 2458180
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
AUSTRALIA
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 : +65 858 5535 / +65 381 8621
FAX
: +65 858 6078
1
1. TECHNICAL SPECIFICATIONS
FM TUNER SECTION
Frequency Range ......................................................................................................... 76.0 - 90.0 MHz (F version)
87.5 - 108.0 MHz (N, U version)
Usable Sensitivity ........................................................................................................................................... 0 dBµ
Signal to Noise Ratio ........................................................................................................... Mono/Stereo 70/65 dB
Distortion ............................................................................................................................. Mono/Stereo 0.2/0.3 %
Stereo Separation ................................................................................................................................ 1 kHz 40 dB
Image Rejection ................................................................................................................................ 98 MHz 80 dB
Tuner Output Level .................................................................................................... 1 kHz, ± 40 kHz Dev 500 mV
AM TUNER SECTION
Frequency Range .................................................................................................... LW: 152 - 282 kHz (N version)
MW: 531 - 1602 kHz (F, N version)
MW: 520 - 1710 kHz (U version)
Signal to Noise Ratio ...................................................................................................................................... 40 dB
Usable Sensitivity ................................................................................................................................ Loop 500 µV
Distortion .......................................................................................................................... 400 Hz, 30 % Mod. 0.5 %
Selectivity ........................................................................................................................................ ± 18 kHz 30 dB
AUDIO SECTION
THD 10 % ...................................................................................................................................... 6 ohms 25W / Ch
Continuous Power Output
(40 Hz - 20 kHz) ...................................................................................................................... 8 ohms 21W / Ch
THD (40 Hz - 20 kHz) at 21 W output ............................................................................................. 8 ohms 0.08 %
Input Sensitivity/Impedance
Linear ................................................................................................................................... 200 mV/ 47 Kohms
Signal to Noise Ratio
Linear (1 W) .............................................................................................................................................. 80 dB
GENERAL
Power Requirement .............................................................................................. AC 100 V 50 / 60 Hz (F version)
AC 230 V 50 Hz (N version)
AC 120 V 60 Hz (U version)
Power Consumption (STEREO MODE RATED POWER) ................................................................... 58 W (0.7A)
Dimension (MAX)
Width ............................................................................................................................... 210 mm (8-1/4 inches)
Height ............................................................................................................................ 71.5 mm (2-3/4 inches)
Depth .......................................................................................................................... 310 mm (12-3/16 inches)
Weight .......................................................................................................................................... 4.3 kg (9.5 lbs)
ACCESSORIES
Remote Control Unit (RC110SR) .......................................................................................................................... 1
Dimension (W x H x D) (MAX) .............................................. 57 x 196.5 x 27 mm (2-1/2 x 7-3/4 x 1-1/8 inches)
Weight ............................................................................................................................................ 90 g (0.2 lbs)
AA Type Batteries ................................................................................................................................................ 2
FM Feeder Antenna .............................................................................................................................................. 1
AM Loop Antenna .................................................................................................................................................. 1
Specifications subject to change without prior notice.
2
2. SERVICE MODE
While pressing <DISPLAY> plug in the Mains cord.
Turn JOG
Version of
Push<ENTER>
Push<ENTER>
MAIN MICOM
is displayed
Release date
is displayed
Push <STANDBY> to quit Service mode
VFD
Check!
MICOM
VER x - xx
All segments
of LCD is
turned on
Each Segment
is displayed
one by one
DATE
XX / XX
2001
3
4
3. WIRING DIAGRAM