Marantz SR-110 Service Manual
Service
SR110 /F1S, /N1S, /U1S
Manual
STANDBY DISPLAY MUTE OPEN
SR110
STANDBY DISPLAY MUTE OPEN
PHONES
AMP
TUNER
TIMER
BAND
MEMO
WOW
Receiver
VOLUME
+
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
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
SR110
R
SR110
323W855010 MIT
3120 785 22710
First Issue 2001.09
MARANTZ DESIGN AND SERVICE
MARANTZ AMERICA, INC.
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.
USA
MARANTZ AMERICA, INC
1100 MAPLEWOOD DRIVE
ITASCA, IL. 60143
USA
PHONE : 630 - 741 - 0300
FAX : 630 - 741 - 0301
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
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
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
AUSTRALIA
TECHNICAL AUDIO GROUP PTY, LTD
558 DARLING STREET,
BALMAIN, NSW 2041,
AUSTRALIA
PHONE : 61 - 2 - 9810 - 5300
FAX : 61 - 2 - 9810 - 5355
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
BRAZIL
PHILIPS DA AMAZONIA IND. ELET. ITDA
CENTRO DE INFORMACOES AO
CEP 04698-970
SAO PAULO, SP, BRAZIL
PHONE : 0800 - 123123
FAX : +55 11 534. 8988
(Discagem Direta Gratuita)
CANADA
LENBROOK INDUSTRIES LIMITED
633 GRANITE COURT,
PICKERING, ONTARIO L1W 3K1
CANADA
PHONE : 905 - 831 - 6333
FAX : 905 - 831 - 6936
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
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
JAPAN
MARANTZ JAPAN, INC.
Technical
35- 1, 7- CHOME, SAGAMIONO
SAGAMIHARA - SHI, KANAGAWA
JAPAN 228-8505
PHONE : +81 42 748 1013
FAX : +81 42 741 9190
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
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
1. TECHNICAL SPECIFICATIONS
FM TUNER SECTION
Frequency Range ......................................................................................................... 76.0 - 90.0 MHz (F 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)
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
87.5 - 108.0 MHz (N, U version)
MW: 531 - 1602 kHz (F, N version)
MW: 520 - 1710 kHz (U version)
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.
1
2. SERVICE MODE
While pressing <DISPLAY> plug in the Mains cord.
Turn JOG
Push<ENTER> Push<ENTER> MAIN MICOM
Release date
is displayed
Push <STANDBY> to quit Service mode
VFD
Check!
All segments
of LCD is
turned on
Each Segment
is displayed
one by one
MICOM
VER x - xx
Version of
is displayed
DATE
XX / XX
2001
2
3. WIRING DIAGRAM
3 4
4. BLOCK DIAGRAM
5 6
5. SCHEMATIC DIAGRAM
7 8
9 10
11 12
TUNER /N1S
AM LOOP
4148
D1
4148
D2
R10
10K
FM ANT
R52
473K
C7
330
J18
X-TAL1
7.2MHz(12p/S)
FM TUNER (KST-F404HA-5 4GANG)
21 34 5678
VT
22K
220
223K
C12
MO
6
4
3
2
1
C143TK
2.2uF/35
EC3
A IN
60LMO
LO
+
EC01
2.2uF/35
00007A
1K
R21
+
1
2
S
3
S
4
5
S
6
S
PD
17 16 15 14 13 12 11
4.7K
ANT
LA
NC
AGC
12K
223
R1
C1
MA
A27N
6
S
45
S
S
6
4
00011A
X-OUT
20
GND
R2
R9
VCD
SVC348
21
3
21
3
Q3
A OUT
GND
19 18
LC72131MICO2
123
CE
X IN
221
C16
456789
DI
DO
CLK
4.7K
R26
1K
R20
VCC
R18
Vdd
AM/FM
5.6K
IF OUT
*
R17
104
C51
150
C8
Q4
FM OSC
MW/LW
100K
R13
C143TK
68
R4
OSC OUT
R11
020
C41
AM OSC
MO/ST
L10.7MS3A
CF1
22
102K
C9
IF REQ(MUTE)
IF COUNT
10
FM
LO/DX
C13
102K
C10
100p
Q1
3142
560
*
3.3K
R5
R12
100
Q2
R6
A114EK
+
C4
103K
C5
R16
100
R19
EC5
100uF/16V
470
330
R8
R7
153K
C25
1uF/50
EC19
22K
R36
5.1K
R47
2.7K
R34
822K
822K
222K
C21
47
R43
473K
C28
C23
822K
C24
20
473K
+
C29
75J-201
1uF/50
EC15
10K
473K
1uF/50
223K
C6
8.2K
R15
10K
SVR1
30 2729 28 26 25
10uF/16
EC8
EC7
C19
++
IC01
***
C11
10uF/16
EC6
10K
12 3 4 56 7 89101112
+
CF3
L10.7MS3A
***
R38
C27
473K
AM IF
75E-380
+
47uF/16
EC14
CF4
LTSD450B
102
SVR2
C20
EC9
4.7uF/35
39K
R31
333K
C22
2324 22 21 19 18 17 16
LA1837M
150
R42
6.8K
R41
FD
A33S
C45
B.P.F
2.2uF/35
++
EC10
2.7K
R32
SVR3
10K
+
822K
C46
B.P.F
2.2uF/35
EC11
2.7K
R33
4.7uF/25
EC16
75J-201
+
5.1K
R45
10uF/16
EC12
++
3.3K
R46
+
1uF/50
EC17
10uF/16
EC13
151413
0.47uF/50
EC18
+
153K
C26
22K
R37
2.7K
R35
MTZ3.3V(1/2W)
++
10uF/16
D5
EC21
47p
C62
2.2K
R61
16 15 14
X-TAL2
4.332MHz
39K
R62
56p
C63
13 12 11
123
102K
C65
470
R63
2.2uF/35
EC22
3.3K
R64
10 9
BU1924IC03
456
473K
C64
78
560p
C66
RDS GND
100
R39
560
10K
R28
4R7
R14
104Z
R30
C49
473K
C30
+
47uF/16
EC20
473K
C43
103K
C42
103K
C17
2812
Q6
1K
R48
10K
R49
RDS
180
C14
220
C15
1K
R22
RDS CLK
RDS DATA
AB
1K
R23
DATA IN
CE1
1
234
1K
R24
CLK1
1K
R25
MTZ5.1V(1/2W)
D3
DATA OUT
D-GND
FM VSM
NC
Vcc 12V
NC
567891011
CON 01
13 14
L-OUT
R-OUT
GND
12 13 14 15
NC
TUNED
STEREO
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