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Manuals
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Marantz Manuals
Stereo Receiver
4270
User manual
Marantz 4270 User Manual
Stereo 2+ quadradial 4 receiver
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Also See for 4270
:
Instructions manual
(24 pages)
,
Manual
(49 pages)
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
List of Illustrations
Service Notes
AM Tuner
FM Tuner
Suggestions for am Tuner Trouble Shooting
Audio Muting and Stereo Mode Auto-Selecting Circuit
MPX Stereo Decoding Circuit
Block Diagram of the HA1156
Phono and Pre-Amplifier
Suggestion for Trouble Shooting of FM Tuner
Mode Switch
Dolby Unit
400Hz Tone
Balance Control
Dolby Switch
Dolby FM
Play
Off
Power Amplifier
BTL (Balanced Transformer-Less) Connection
Power Supply Unit
Audio Trouble Analysis
Test Equipment Required for Servicing
AM Alignment Procedure
AM if Alignment
FM Alignment Procedure
AM Frequency Range and Tracking Alignment
AM Signal Strength Meter Alignment
Stereo Separation Alignment
Audio Adjustment
Automatic Voltage Regulator Adjustment
Dolby Alignment Procedure
Muting Circuit Alignment
Alignment Procedures of Dolby FM Preset Level Controls
Explanation of the Dolby Processing Chart
Dolby Processing Chart
Front Panel Adjustments Component Locations
Main Chassis Component Locations (Top View)
Rear Panel Adjustments and Component Locations
Main Chassis Component Locations (Bottom View)
Dial Stringing
FM Front End Assembly P100 Component Locations
AM Tuner Assembly P150 Component Locations
FM if Amplifier Assembly P200 Component Locations
FM MPX Stereo Decoding Amplifier P300 Component Location
Phono Amplifier Assembly P400 Component Locations
Vari-Matrix Unit Assembly P500 Component Locations
Dolby Unit Assembly P600 Component Locations
Main Power Amplifier Assembly P700 Component Locations
Power Supply Assembly P800 Component Locations
FM Cal, FM De-Emphasis Assembly PC01 Component Locations
Tone Amplifier Assembly PD01 Component Locations
Buffer & Pre-Amplifier Assembly PE01 Component Locations
Balance Control Unit Assembly PG01 Component Locations
Hi-Filter, Loudness Assembly PH01 Component Locations
Tone Control Unit Assembly PJ01 Component Locations
400Hz Tone Assembly PL01 Component Locations
Phase Inverter Assembly PM01 Component Locations
SP Protector Unit Assembly PN01 Component Locations
Tape Mode Assembly PT01 Component Location
Function Lamp Assembly PY01 Component Location
Dial Lamp Assembly P201 Component Location
Exploded Mechanical Diagram
Parts List
Technical Specifications
Schematic Diagram
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1
Phono and Pre-Amplifier
2
Power Amplifier
3
Technical Specifications
4
Schematic Diagram
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See also:
Instruction Manual
Table of
Contents
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Table of Contents
Troubleshooting
FM Tuner
5
Phono and Pre-Amplifier
8
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