background image
AV Surround Receiver
SR7000 / SR8000
320J855010 MIT
3120 785 22280
First Issue 2000.02
Service
Manual
SR7000 /K1G, /N1G, /U1G
/K1B, /N1B, /U1B
SR8000 /K1G, /S1G, /U1B
R
SR7000/SR8000
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
TABLE OF CONTENTS
SECTION
PAGE
1. TECHNICAL SPECIFICATIONS ................................................................................................................. 1
2. WIRING DIAGRAM ..................................................................................................................................... 3
3. BLOCK DIAGRAM ....................................................................................................................................... 5
4. SCHEMATIC DIAGRAM .............................................................................................................................. 7
5. PARTS LOCATION ................................................................................................................................... 31
6. IC DATA .................................................................................................................................................... 47
7. EXPLODED VIEW AND PARTS LIST ....................................................................................................... 53
8. SERVICE PROGRAM ............................................................................................................................... 56
9. ELECTRICAL ADJUSTMENTS ................................................................................................................. 58
10. ALIGNMENT PROCEDURES ................................................................................................................... 59
11. TROUBLE SHOOTING ............................................................................................................................. 61
12. TECHNICAL DESCRIPTION FOR DECODER ......................................................................................... 64
13. ELECTRICAL PARTS LIST ....................................................................................................................... 65
DIGITAL
DOLBY
LFE
LS
PEAK
S
RS
R
C
L
TAPE
TUNER
DSS/VCR2
6ch INPUT
MULTI
CDR/MD
A/D
S-DIRECT
VCR1
CLEAR
STANDBY
DOWN
SLEEP
S-VIDEO
VIDEO
L
AUDIO
R
AUX INPUT
DISPLAY OFF
MUTE
VOLUME
SURROUND
UP
POWER ON/STANDBY
PHONES
AV SURROUND RECEIVER SR7000
AUX
TV
DVD
LD
MEMORY
MODE
TUNING/PRESET
F/P
CD
SURROUND
DIGITAL
DIGITAL
DOLBY
LFE
LS
PEAK
S
RS
R
C
L
TAPE
TUNER
DSS/VCR2
6ch INPUT
MULTI
CDR/MD
A/D
S-DIRECT
VCR1
CLEAR
STANDBY
DOWN
SLEEP
S-VIDEO
VIDEO
L
AUDIO
R
AUX INPUT
DISPLAY OFF
MUTE
VOLUME
SURROUND
UP
POWER ON/STANDBY
PHONES
AV SURROUND RECEIVER SR8000
AUX
TV
DVD
LD
MEMORY
MODE
TUNING/PRESET
F/P
CD
SURROUND
DIGITAL
SR7000
SR8000


background image
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.
991207MIT
USA
MARANTZ AMERICA, INC
MARANTZ AMERICA, INC.
440 MEDINAH ROAD
ROSELLE, ILLINOIS 60172
USA
PHONE : 630 - 307 - 3100
FAX
: 630 - 307 - 2687
BRAZIL
PHILIP 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
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.
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
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
WILDASH AUDIO SYSTEMS NZ
WILDASH AUDIO SYSTEMS NZ
14 MALVERN ROAD MT ALBERT
AUCKLAND NEW ZEALAND
PHONE : +64 - 9 - 8451958
FAX
: +64 - 9 - 8463554
NEW ZEALAND
CANADA
LENBROOK INDUSTRIES LIMITED
633 GRANITE COURT,
PICKERING, ONTARIO L1W 3K1
CANADA
PHONE : 905 - 831 - 6333
FAX
: 905 - 831 - 6936
AUSTRALIA


background image
1
1. TECHNICAL SPECIFICATIONS
FM TUNER SECTION
Frequency Range ........................................... 87.5 - 108.0 MHz
Usable Sensitivity ....................................... IHF 1.8 µV/16.4 dBf
Signal to Noise Ratio .............................. Mono/Stereo 76/72 dB
Distortion .............................................. Mono/Stereo 0.2 / 0.3 %
Stereo Separation ................................................... 1 kHz 45 dB
Alternate Channel Selectivity ........ ±400 kHz 60 dB (U version)
±300 kHz 60 dB (K, N, S version)
Image Rejection .................................................... 98 MHz 70dB
Tuner Output Level ...... 1 kHz, 75 kHz Dev 800 mV (U version)
1 kHz, 40 kHz Dev 800 mV (K, N, S version)
AM TUNER SECTION
Frequency Range ................... AM : 520 - 1710 kHz (U version)
AM : 531 - 1602 or 520 - 1710 kHz (K version)
AM : 531 - 1602 kHz (S version)
LW : 152-282 kHz / MW : 531 - 1602 kHz (N version)
Signal to Noise Ratio ......................................................... 50 dB
Usable Sensitivity ................................................... Loop 400 µV
Distortion .............................................. 400 Hz, 30% Mod. 0.5%
Selectivity ......................................... ±20 kHz 70 dB (U version)
±18 kHz 70 dB (K, N, S version)
AUDIO SECTION
Rated Power (SR7000)
Stereo Mode FRONT (20 Hz - 20 kHz) ..... 8 ohms 100W / Ch (2ch driven)
Center (40 Hz - 20 kHz) ............................ 8 ohms 100W / Ch
Surround .................................................... 8 ohms 100W / Ch
Rated Power (SR8000)
Stereo Mode FRONT (20 Hz - 20 kHz) ..... 8 ohms 105W / Ch (2ch driven)
Center (40 Hz - 20 kHz) ............................ 8 ohms 105W / Ch
Surround .................................................... 8 ohms 105W / Ch
THD Front (20 Hz - 20 kHz) ................................ 8 ohms 0.05%
Input Sensitivity/Impedance
Linear ........................................................... 350mV/47 kohms
Signal to Noise Rate ( IHF A )
Linear ............................................................................ 105 dB
Dolby Surround Adjacent Channels Separation ............... 55 dB
VIDEO
Television Format .......................................... NTSC (U version)
PAL/NTSC (K, N, S version)
Input Level/Impedance .................................... 1 Vp-p/75 ohms
Output Level/Impedance ................................. 1 Vp-p/75 ohms
Video Frequency Response .................. 5 Hz to 8 MHz ( - 1 dB)
S/N ..................................................................................... 60 dB
GENERAL
Power Requirement ........................ AC 120V 60 Hz (U version)
AC 220 50/60 Hz (K version)
AC 230V 50 Hz (N, S version)
Power Consumption .......................................................... 360W
Dimension ( MAX )
Width .................................................. 17-1/4 inches (440 mm)
Width (SR8000 U only) ............................ 18 inches (458 mm)
Height ................................................... 6-1/4 inches (159 mm)
Depth .................................................. 18-1/8 inches (460 mm)
Weight (SR7000) ........................................ 33.1 lds. (14.5 kg)
Weight (SR8000) ........................................... 32.0 lds. (15 kg)
ACCESSORIES
Remote Control Unit RC7000SR (SR7000) .............................. 1
Remote Control Unit RC-18SR (SR8000) ................................ 1
Dolby Digital(AC-3) SECTION
Output Level ( Master Volume is set 0dB )
Front L/R, CENTER, SURROUND L/R
1 KHz, 0 dB FS INPUT ..................................................... 1.1V
SUBWOOFER
40 Hz, 0 dB FS INPUT ..................................................... 3.8V
Frequency Response
Front L/R, CENTER, SURROUND L/R ( LARGE )
20 Hz - 20 KHz ................................................................. -1dB
Total Harmonic Distortion
Front L/R, CENTER, SURROUND L/R ( 1 KHz ) ......... 0.01% or less
SUBWOOFER ( 40 Hz) ........................................ 0.07% or less
Signal to Noise Ratio ( IHF-A ) .......................................... 96 dB
Channel Separation ( 1 KHz ) ........................................... 70 dB
Specifications subject to change without prior notice.


background image
2
Remark : Bass signal output from Sub Woofer terminal for SR7000/SR8000
SPK setup
SubWoofer Output
Sub
Dolby Digital
Dolby
Hall , Matrix
Stereo
Source
Woofer Front Center Rear
DTS
(Pro Logic)
Movie, 5Stereo
Direct
Yes
Large
Large
Large
LFE
none
L+R
L+R
LFE
Small
LFE+LS+RS
none
L+R
L+R
LFE
None
LFE
none
L+R
L+R
LFE
Small
Large
LFE+C
C
L+R
L+R
LFE
Small
LFE+C+LS+RS
C
L+R
L+R
LFE
None
LFE+C
none
L+R
L+R
LFE
None
Large
LFE
none
L+R
L+R
LFE
Small
LFE+LS+RS
none
L+R
L+R
LFE
None
LFE
none
L+R
L+R
LFE
Small
Large
Large
LFE+L+R
L+R
L+R
L+R
LFE
Small
LFE+L+R+LS+RS
L+R
L+R
L+R
LFE
None
LFE+L+R
L+R
L+R
L+R
LFE
Small
Large
LFE+L+R+C
L+R+C
L+R
L+R
LFE
Small
LFE+L+R+C+LS+RS
L+R+C
L+R
L+R
LFE
None
LFE+L+R+C
L+R+C
L+R
L+R
LFE
None
Large
LFE+L+R
L+R
L+R
L+R
LFE
Small
LFE+LS+RS
L+R
L+R
L+R
LFE
None
LFE+L+R
L+R
L+R
L+R
LFE
None
Large
Large
Large
none
none
none
none
LFE
Small
none
none
none
none
LFE
None
none
none
none
none
LFE
Small
Large
none
none
none
none
LFE
Small
none
none
none
none
LFE
None
none
none
none
none
LFE
None
Large
none
none
none
none
LFE
Small
none
none
none
none
LFE
None
none
none
none
none
LFE
Small
Large
Large
Prohibited
Prohibited
Prohibited
Prohibited
Prohibited
Small
Prohibited
Prohibited
Prohibited
Prohibited
Prohibited
None
Prohibited
Prohibited
Prohibited
Prohibited
Prohibited
Small
Large
Prohibited
Prohibited
Prohibited
Prohibited
Prohibited
Small
Prohibited
Prohibited
Prohibited
Prohibited
Prohibited
None
Prohibited
Prohibited
Prohibited
Prohibited
Prohibited
None
Large
Prohibited
Prohibited
Prohibited
Prohibited
Prohibited
Small
Prohibited
Prohibited
Prohibited
Prohibited
Prohibited
None
Prohibited
Prohibited
Prohibited
Prohibited
Prohibited
Sub woofer output is not active while all surround modes. Please refer to the following table.


background image
3
4
2. WIRING DIAGRAM
JX06
JL06
JQ06
JL72
J702
J703
J704
J701
JW02
JU01
JU02
JS03
JQ04
JX04
JX05
JU04
JU81
JU03
JN64
JN01
JB03
JB04
JB02
JY24
JY23
JY22
JN02
JY01
JY17
JY15
JY16
JY14
JY13
JY12
JY25
JY18
JY19
JY11
JY09
JY10
JY07
JY08
JY05
JS04
JQ05
JY06
JY03
JY04
JY02
JY21
JG04
JG03
JG02
JL04
JL05
J691
JD01
J105
J901
WY51
JN66
JN67
JN68
J001
WB01
JB01
JB71
JB61
WB04
B2P3-VH
B2P3-VH
2P-VH
123
12
A
UX
C
A
UX
Y
GND
A
UX
V
GND
1234
5
A
UX
L
GND
A
UX
R
+15V
-15V
A
UX
L
1
2345678
9
10
GND
A
UX
R
+15V
-15V
A
UX
V
GND
A
UX
Y
A
UX
C
GND
1
2
3
4
C OUT
NC
L OUT
1
2
R OUT
LS OUT
RS OUT
1
2
3
-B
+B
GND
1
2
3
4
5
6
7
8
9
10
RS IN
L IN
C IN
R IN
LS IN
C DET
GND
GND
GND
1
2
3
4
1
2
1
2
3
1
2
3
4
5
6
7
8
9
10
1
2
3
4
HP SW
L IN
GND
R IN
1
2
3
4
1
2
345678
REQ
RST
AC
K
DI0
DO0
CLK0
AT
T
SMUTE2
1
23456
7
F
F
VKK
5VL
P-DO
WN
PO
WER
GND
12345
6
7
123
12
123
1
2
3
4
5
1
2
3
4
5
1
2
345678
123
1
2
3
4
5
1
2
3
MQ 8P
MQ 5P
MQ 10P
MQ 12P
MQ 12P
MQ 8P
MQ 12P
MQ 7P
MQ 12P
MQ 12P
TAC 20P
JS
7P/XH
7P
MQ 12P
MQ 12P
MQ 12P
MQ 12P
MQ 5P
POWER TRANSF
MAIN
VH 2P3 L=
U
N,K,S
NC
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
PH 2P
PH 5P
PH 3P
WL01
VH 4P
VH 2P
VH 3P
PH 10P
PH 4P
SUMI CARD 33P
PH 8P
EH 3P
VH 5P
123
45678
1234
5678
PH 8P
WN01
WY05
W704
W703
W701
W702
WY51
WY03
WB03
WY02
WY01
12
12
K,N,S ONLY
WB02
WN01
P604
PL74
PS04
P104
PS54
PL04
PL54
P904
PU04
PU44
PG04
P704
P754
PW04
PY04
PB74
PB04/PB54
**
*
*
*
*
*
*
*
*
**
*
*
*
* REMARK :
The extension cable kit ( Part No. *SR7000JIG, 996500003435 ) is necessity for servicing of PCB's.
(P904, PL54, PL04, PS54, PS04, P104, PG04, P604 )