Marantz SR-3000, Service Manual

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1-4
TECHNICAL SPECIFICATION SR4000
General
Mains voltage :230V for /N
:110V/240V switchable for /K
: 120V for /U
Mains frequency : 50Hz for /N
: 50/60Hz for /K
: 60Hz for /U
Power concumption :
≤
2W at stby
Dimension. wxhxd : 440x138x350 mm
Remote control : RC4000SR
Amplifier
Output power
L+R : 2x100W at 6
Ω
D= 0,7% (1kHz)
Center : 100W at 6
Ω
D= 0,7% (1kHz)
Surround Left : 50W at 6
Ω
D= 0,7% (1kHz)
Surround Right : 50W at 6
Ω
D= 0,7% (1kHz)
Distortion (5W)
40Hz -1kHz :
≤
0,05%
20kHz :
≤
0,2%
Headphone : 6,3mm stereo jack with switch
Crosstalk between source —1kHz :
≤
-65dB
(1W) 250Hz – 10kHz :
≤
-60dB
Crosstalk between channels -1kHz :
≤
-45dB
(1W) 250Hz – 10kHz :
≤
-40dB
Frequency response
:
≤
20Hz –
≥
20kHz (-3dB)
Power stage protection : Shortcircuit
: DC (Vout
≥
10V)
Temperature : Transformer (
≥
140˚ Celcius)
: Heatsink (
≥
140˚ Celcius)
Input sensitivity
Phono : 5mV impedance 47k
Ω
/220pF
CD : 250mV impedance
≥
47k
Ω
CDR/TAPE : 250mV impedance
≥
47k
Ω
VCR : 250mV impedance
≥
47k
Ω
TV : 250mV impedance
≥
47k
Ω
SAT : 250mV impedance
≥
47k
Ω
FRONT AV : 250mV impedance
≥
22k
Ω
Output sensitivity
CDR/TAPE : 250mV impedance
≤
1k
Ω
VCR : 250mV impedance
≤
1k
Ω
Output sensitivity (variable)
Subwoofer pre-out : 800mV impedance
≤
1k
Ω
Center pre-out : 800mV impedance
≤
1k
Ω
Video Selector
Input sensitivity
DVD/VCR/TV/Front AV : 1 Vpp impedance 75
Ω
Output sensitivity
Monitor/VCR : 1 Vpp impedance 75
Ω
Frequency response :
≤
50Hz
➔
≥
6MHz
Equalizer
Loudness
(volume
≤
-20dB Ref: 1kHz=0dB) : 100Hz +6 dB
: 10kHz +3 dB
Tone control (Ref: 1kHz=0dB)
: Bass 100Hz -9dB
➔
+9dB
: Treble 10kHz -9dB
➔
+9dB
DSC settings 100Hz 1kHz 10kHz
Personal dB 0 0 0
Movie dB + 4 +0 +4
Speech dB - 4 +2 - 2
Music dB + 4 - 2 +2
Multimedia dB + 8 0 +6
Multi Channel Decoder
MPEG5.1 / MPEG 7.1 (7.1 downmix to 5.1)
Dolby Digital (AC-3)
Linear PCM
Automatic audio/data type detection (AC-3,MPEG-2,PCM)
Dolby Pro Logic
MPEG-2 dual mono channel selection I/II
MPEG-2 dual stereo channel selection I/II
Virtual Dolby Surround (422/423)
Virtual MPEG Digital (522/523)
Virtual Dolby Digital (522/523)
Digital Bass Management
Parallel Stereo Downmix
Four Stereo (224)
Volume Control
Noise Generator (test tone)
Surround mode selector
Delay C and SL and SR
Tuner
RDS : Only in /N
FM
Tuning range : 87.5 – 108MHz
Grid : 50kHz
: 100kHz only for /U
: 50 & 100kHz for /K
IF frequency : 10.7MHz
±
25kHz
Aerial input : 75
Ω
coaxial
: 300
Ω
clickfit only for /U
Sensitivity at 26dB S/N :
≤
7
µ
v
Selectivity at 600kHz bandwidth :
≥
50dB
Image rejection :
≥
75dB
:
≥
25dB only for /U, K
Distortion at RF=1mV,dev.75kHz :
≤
2%
:
≤
3% only for /U, K
-3dB Limiting point :
≤
7
µ
V
Crosstalk at RF=1mV,dev.40kHz :
≥
26dB
:
≥
22dB only for /U, K
MW
Tuning range : 522 - 1611kHz for /N
: 531 - 1602kHz for/K
: 530 - 1700kHz for/K
: 530 - 1700kHz for /U
Grid : 9kHz for /N
: 9 & 10kHz for /K
: 10kHz for /U
IF frequency : 450kHz
±
1kHz
Aerial input : Loop
Sensitivity at 26dB S/N :
≤
4.0mV/m
Selectivity at 18kHz bandwidth :
≥
18dB
IF rejection :
≥
45dB
Image rejection :
≥
28dB
Distortion at RF=50mV,m=80% :
≤
5%
LW only in /N
Tuning range : 153 - 279kHz
Grid : 3kHz
IF frequency : 450kHz
±
1kHz
Aerial input : Loop
Sensitivity at 26dB S/N :
≤
6mV/m
Selectivity at 18kHz bandwidth :
≥
22dB
IF rejection :
≥
26dB
Image rejection :
≥
35dB
Distortion at RF=50mV,m=80% :
≤
5%
* Setting is software controlled