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Marantz 1152DC Service Manual

Marantz 1152DC
32 pages
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Marantz 1152DC Specifications

General IconGeneral
Power Output76 watts per channel into 8Ω (stereo)
Frequency Response10Hz to 60kHz
Total Harmonic Distortion (THD)0.1%
Total harmonic distortion< 0.03%
Damping Factor100
Input Sensitivity0.18mV (MC), 1.8mV (MM), 180mV (line)
Signal to noise ratio76dB (MC), 86dB (MM), 94dB (line)
Channel Separation55dB (MM), 55dB (line)
Dimensions17.5 x 5.25 x 14.5 inches
Weight35 lbs
Speaker load impedance4Ω to 16Ω
TypeStereo Amplifier

Summary

1. POWER AMPLIFIER ADJUSTMENT

1.1 DC-OFFSET ADJUSTMENT

Adjusts DC offset for left and right channels to 0mV (±5mV) using VTVM.

2. TEST EQUIPMENT REQUIRED FOR SERVICING

Required Servicing Equipment

Lists essential test equipment and their uses for servicing the amplifier.

3. VOLTAGE CONVERSION

Voltage Conversion Chart

Illustrates how to set the plug for different voltage operations (110-240V).

4. MAJOR COMPONENT LOCATIONS

4.1 Front Panel Component Locations

Identifies components and adjustment points on the amplifier's front panel.

4.2 Main Chassis Component Locations (Top View)

Locates major components on the top side of the main amplifier chassis.

4.3 Rear Panel Component Locations

Identifies components and adjustment points on the amplifier's rear panel.

4.4 Main Chassis Component Locations (Bottom View)

Locates major components on the bottom side of the main amplifier chassis.

5. DIAGRAM AND COMPONENT LOCATIONS

5.1 Filter Amp. Assembly Schematic

Provides the schematic diagram and component layout for the Filter Amplifier Assembly (PH01).

5.2 Pre-Amp. Assembly Schematic

Shows the schematic diagram and component locations for the Pre-Amplifier Assembly (PJ01).

5.3 Speaker Switch Assembly Schematic

Details the schematic diagram and component layout for the Speaker Switch Assembly (PW00).

5.4 Front Panel Assembly Schematic

Presents the schematic diagram and component locations for the Front Panel Assembly (PS00).

5.5 Main Amp. Assembly Schematic

Provides the schematic diagram and component locations for the Main Amplifier Assembly (P700).

5.6 Relay Assembly Schematic

Details the schematic diagram and component layout for the Relay Assembly (PNOO).

5.7 Rear Panel Assembly Schematic

Shows the schematic diagram and component locations for the Rear Panel Assembly (PV00).

6. BLOCK DIAGRAM

7. CONNECTION DIAGRAM

8. SCHEMATIC DIAGRAM

9. EXPLODED MECHANICAL DIAGRAM

9.1 Cabinet Exploded View

Shows the breakdown and assembly of the amplifier's cabinet components.

9.2 Chassis Exploded View

Details the exploded view and part identification for the amplifier's chassis.

9.3 Rear Panel Exploded View (USA/Canada)

Illustrates the exploded view of the rear panel for US and Canadian models.

9.4 Rear Panel Exploded View (European)

Illustrates the exploded view of the rear panel for European models.

10. PACKING MATERIAL EXPLODED VIEW

11. PARTS LIST

12. TECHNICAL SPECIFICATIONS

USA Model Amplifier Specifications

Detailed technical specifications for the amplifier section of the US model.

USA Model Preamplifier Specifications

Detailed technical specifications for the preamplifier section of the US model.

USA Model General Specifications

General technical specifications including power, dimensions, and weight for the US model.

European Model Audio Specifications

Detailed technical specifications for the audio section of the European model.

European Model General Specifications

General technical specifications including power, dimensions, and weight for the European model.

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