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File name seven_channel_ampli.pdf

RDA-7 SERVICE MANUAL Ref NO. 3651 May 2000 Seven Channel Amplifier RDA-7 Silver model UPP 230 V AC UDT 120 V AC UPT 230 V AC SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBER APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO TABLE OF CONTENTS 1 2 3 4 5 7 8 16 18 19 20 22 Cover page Specifications, Supplied accesories Unpacking abd storing the packing materials Front panel Rear panel Chassis-exploded view Parts list Screws Adjustment procedures Pcboard Primary connections Circuit diagrams 1 RDA-7 Specifications AMPLIFIER SECTION Number of channels: 7 Power: 150 watts per channel min. RMS at 8 ohms, 2 channels driven from 20 Hz to 20 kHz with no more than 0.1 % total harmonic distortion. 300 watts per channel min. RMS at 4 ohms, 2 channels driven at 1 kHz with no more than 0.1 % total harmonic distortion. Frequency response @ -3 dB: 3.5 Hz - 250 kHz Input Impedance: 47 kohm each phase Input signal for max output power: 1.2 V Input Sensitivity (Unbalanced): 100 mVrms Input Sensitivity (Balanced): 200 mV THD: 0.03 %(20 Hz to 20 kHz) Damping Factor: 40 at 8 ohm Power consumption USA, Canada and some Asian model: 15 A Other models: 10 A Rated Speaker Impedance: GENERAL Power Supply: Dimensions (W Ч H Ч D): Weight: 4 ohms AC 120 V, 60 Hz AC 230 V, 50 Hz AC 220 V, 50/60 Hz 450 Ч 195 Ч 596 mm 17-11/16" Ч 7-11/16" Ч 23-7/16" 51.0 kg, 112.4 lbs. Specifications and features are subject to change without notice. Power supply and voltage vary depending on the area in which the unit is purchased. Supplied accessories Check that the following accessories are supplied with the RDA-7. Instruction Manual RDA-7 Power cord Poly bag Power cord Ч 1 The power cord may differ depending on the region. Inner carton 2 RDA-7 Unpacking and storing the packing materials Unpacking Inner carton When unpacking the RDA-7, be sure to remove all accessories from the cardboard box and then check that all are included and none are missing. Removing the RDA-7 After removing the RDA-7, carefully inspect it to make sure that it has not been damaged during the shipping processes. If damaged, contact an Onkyo service station or representative immediately. Also, take down the name of the carrier in case it is necessary to obtain compensation from the carrier service. Storing the packing materials After unpacking, store the cardboard box and packing materials in a safe place; do not throw them away. If you are to transport the RDA-7 at a later date, you will need this cardboard box and the packing materials. The RDA-7 is very heavy and may become damaged if it is transported in a different box. Outer carton (Shipping carton) Pad Poly bag Pad Inner carton