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Marantz 300DC Amplifier
Manufacturer:
Model:
300DC
Date:
unknown
Class:
Type:
SubType:
Power Amplifier

Information

fECHNICAL SPECIFICATIONS TED POWER OUTPUT, MINIMUM CONTINUOUS AVERAGE POWER »ER CHANNEL, BOTH CHANNELS DRIVEN 152 WATTS I/VER BAND 20 Hz to 20 kHz TAL HARMONIC DISTORTION 0.03% (8 OHMS) 0.05% (4 OHMS) Distortion (I.H.F. method, 60 Hz and 7 kHz mixed 4 : 1 at rated power output)...................................... 0.03% (8 ohms) 0.05% (4 ohms) nping Factor ..........................................................................................................................................................60 (8 ohms, 20 Hz) sitivity (at MAIN IN).................................................................................................................................................................... 1.5 V iedance (at MAIN IN) ...........................................................................................................................................................30 k ohms ^uency Response for Power Amp only ..................................................................................................20 Hz ~ 20 kHz, ±0.2 dB /er Requirements ..................................................................................................................................................... 120 VAC, 60 Hz tensions 'anel Wideh ....................................................................................................................................................416 mm (16-3/8 inches) ’anel Height ....................................................................................................................................................146 mm ( 5-3/4 inches) Depth ................................................................................................................................................................301 mm (11-7/8 inches) ght J nit alone .................................................................................................................................................................... 20 kg ( 44 lbs) 'acked for shipment..................................................................................................................................................... 22 kg (48.4 lbs) 21

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Service Manual
Manual type:
Service Manual
Pages:
20
Size:
2.00 Mbytes (2095105 Bytes)
Language:
english
Revision:
Manual-ID:
2979855010
Date:
unknown
Quality:
Scanned document, all readable.
Upload date:
08 March 2015
MD5:
95f988c674c1cfca81714b2d8f1f49c1
Downloads:
560

Information

1. INTRODUCTION ... 1 2. TEST EQUIPMENT REQUIRED FOR SERVICING ... ... 1 3. ALIGNMENT PROCEDURE ... 2 3.1 DC Balance ... ... 2 3.2 Meter Adjustment ... ... 2 4. VOLTAGE CONVERSION FOR EUROPE ... 2 5. DIAGRAM AND COMPONENT LOCATIONS ... ... ... 3 5.1 Main Amp. Assembly (P700) Schematic Diagram and Component Locations ... 3 5.2 Peak Ind. Assembly (PNOO) Schematic Diagram and Component Locations ... ... 4 5.3 Power Supply Assembly (P800) Schematic Diagram and Component Locations ... 5 5.4 RCA Pin Terminal Assembly (PMOO) Schematic Diagram and Component Locations ... 5 5.5 Meter Range Assembly (PSOO) Schematic Diagram and Component Locations ... ... 5 5.6 Fuse Assembly (PPOO) Schematic Diagram and Component Locations ... 5 6. BLOCK DIAGRAM ... ... 6 7. SCHEMATIC DIAGRAM ... 7 8. EXPLODED VIEW AND PARTS LIST ... ... 9 9. TECHNICAL SPECIFICATIONS ... 21 This service manual was prepared for use by Authorized Warranty Stations and contains service information for Marantz Model 300DC Main Amplifier. Servicing information and voltage data included in this manual are intended for use by the knowledgeable and experienced technician only. All instructions should be read carefully. No attempr should be made to proceed without a good understanding of the operations in the Receiver. The parts list furnishes information by which replacement parts may be ordered from the Marantz Company. A simple description is included for parts which can usually be obtained through local suppliers.

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