Marantz 4400 Ricevitore
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Modello:
4400
Data:
0
Categoria:
Gruppo:
Descrizione:
Stereo 2+ Quadradial 4 Receiver
Informazioni
TECHNICAL SPECIFICATIONS
PREAMPLIFIER SECTION
Dynamic Range ..................................... Phono
input: 96dB above 1.5μ/ equivalent noise input
Note: Dynamic Range is the ratio in dB of phono overload
(100mV) to equivalent input noise (1.5μν).
Input Sensitivity and Impedance
........................................................
Phono: 1.8mV, 47 Kohms
High Level: 180mV, 100 Kohms
Pre-out Output Level
...................................................................................................................
1V
Pre-Out Output
Impedance...............................................................................................
900 ohms
Phono Frequency Response
........................................................
30Hz to 15KHz ± 1dB (RIAA)
Noise-Aux
..............................................................................................................................
—80dB
Tone Controls
.......................................................................................
Treble: ±10dB at 15KHz
Bass:±10dBat 50Hz Mid-Range: ±6dB at 700Hz
Filters
......................................................,.............................
Hi Filter: 9KHz, 12dB per octave
Low Filter: 50Hz, 12dB per octave
Loudness Compensation
........................................................................................
7dB at 100Hz
4dB at 10KHz
Amplifier SECTION
Headphones Output
.............................................................0.47
V into 8 ohms at rated distortion
Input Sensitivity for MAIN in
Front/Rear.....................................................................................
1V
Power Output
..........................................................
200 Watts into 8 ohms (50W/channel x 4)
250 Watts into 8 ohms (125W/channel x 2)
Total Harmonic Distortion
......................................... At or below rated
power, 20Hz to 20KHz
Less than 0.15%, typically 0.05% including preamplifier (AUX)
IHF Power Bandwidth
...............................................................................................
8Hz—70KHz
Frequency Response
.......................................................................................±2dB,
5Hz to 70KHz
±1dB, 10Hz to 30KHz
Damping Factor
..................................................................................
2-channel Mode: 40 at 20Hz
4-channel Mode: 50 at 20Hz
FM SECTION
Quieting Slope
..............................................................................
1.8μ/for 30dB, 5μν for 55dB
10μν for 60dB, 50MV for 70dB
Ultimate Quieting
....................................................................................................
50μ/ for 70dB
Selectivity
..............................................................................
Alternate channel, better than 75dB
Capture Ratio
......................................................................................................................
1.5dB
Muting Threshold
.................................................. Muting
threshold variable from 8μ/ to 35μ/
Stereo Separation
.......................................................................
42dB at 1 KHz, 27dB at 15KHz
Total Harmonic Distortion
..........................................................................
Stereo: Less than 0.3%
Mono: Less than 0.2%
Frequency Response
..................................................................................
+1dB, 30Hz to 15KHz
Total Spurious Rejection
..................................................................................
Better than 95dB
Image Rejection
....................................................................................................
Better than 90dB
AM Suppression
....................................................................................................
Better than 60dB
IF Rejection
......................................................................................................
Better than 100dB
Antenna Impedance
...................................................... 300
ohm Balanced, 75 ohm unbalanced
Quadradial Output
...............................................................
300mV, 15 Kohms for ±75KHz Dev.
AM SECTION
AM Sensitivity
.......................................................................................................................
20μV
Selectivity ... AM Bandwidth Image Rejection
Adjacent channel, 1000KHz, better than 30dB
..................................................... (—6dB)
7KHz
............................ 1400KHz, better than 70dB
GENERAL
Power Requirements
.....................................................................................
120V AC, 50 to 60Hz
Power Consumption — at rated power output, all channels
....................................... 690 Watts
— idling (no
signal)............................................................................
65 Watts
Dimensions — Panel Width
..............................................................................
19-19/64" — 490mm
— Panel Height
..............................................................................
5-3/4" — 146mm
— Depth
..............................................'.......................................
15-13/64" — 386mm
Weight — Unit alone
............................................................................................................
51.6 lbs
— Packed for Shipment
............................................................................................
62.7 lbs
Tipo di manuale:
Manuale di servizio
Pagine:
56
Dimensione:
7.79 Mbytes (8171381 Bytes)
Lingua:
english
Revisione:
ID del manuale:
290485....
Data:
Qualità:
Documento scansionato, tutto leggibile.
Data caricamento:
2015 03 08
MD5:
57845d80648f824f0cd81fa2f8a76e17
Scaricamenti:
1000
Informazioni
Introduction
...
1
Service Notes
...
1
AM Tuner
...
1
FM Tuner
...
2
Phono and Pre-Amplifier
...
5
Dolby Unit
...
6
400Hz Tone
...
7
Dolby NR Switch
...
7
Record Level (L) (R)
...
8
Play Cal. (L) (R)
...
8
Dolby FM Preset Level Controls
...
8
400Hz Tone Switch
...
8
FM De-Emphasis Switch
...
8
Hi-Low Filter Amplifier
...
8
Power Amplifier
...
8
BTL (Balanced Transformer-less) Connection
...
9
Power Supply Circuit
...
9
Audio Trouble Analysis
...
9
Scope Display Circuit
...
9
Scope Circuit Description
... 10
Trouble Shooting of Oscilloscope Circuit
... 11
Test Equipment Required for Servicing
... 12
Scope Display Alignment
... 12
AM Tuning Display Alignment
... 13
FM Tuning Display
Alignment ... 13
AM Alignment
Procedure ...
13
FM Alignment Procedure
... 13
Audio Adjustment
... 15
Automatic Voltage Regulator Adjustment
... 15
Dolby Alignment Procedures
... 15
Alignment Procedures of Dolby FM Preset Level Controls
... 16
Explanation of the Dolby Processing Chart
... 17
Parts
List ... 32
~ 51
Technical
Specifications ...
52,53
This service manual was prepared for use by Authorized
Warranty Stations and contains service information for
Marantz Model 4400 Stereo 2+Quadradial 4 Receiver.
Servicing information and voltage data included in this
manual are intended for use by the knowledgeable and
experienced technician only. All instruction should be read
carefully. No attempt should be made to proceed without a
good understanding of the operation in the Receiver.
The parts list provides information by which replacement
parts may be ordered from the Marantz Company. A simple
description is included for parts which can be usually be
obtained through local suppliers.