Yamaha cp 2000 power amp service manual

Page 1

CP2000 2WARNING: CHEMICAL CONTENT NOTICE! The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (where applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER! Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/flux vapor! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users, and have therefore not been restated. WARNING: Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury, destruction of expensive components and failure of the product to perform as specified. For these reasons, we advise all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the appointed service representative. IMPORTANT: This presentation or sale of this manual to any individual or firm does not constitute authorization, certification, recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form. The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and service departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributor's Service Division. WARNING: Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect to this bus). IMPORTANT: Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit. WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed. IMPORTANT NOTICE FOR THE UNITED KINGDOM Connecting the Plug and Cord IMPORTANT. The wires in this main lead are coloured in accordance with the following code: BLUE: NEUTRAL BROWN: LIVE As the colours of the wires in the main lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows: The BLUE wire must be connected to the terminal that is marked with the letter N (or coloured BLACK). The BROWN wire must be connected to the terminal that is marked with the letter L (or coloured RED). Be certain that neither core is connected to the earth terminal of the three pin plug.

Page 2

SPECIFICATIONS CP2000 3 Power Output Level8 W/STEREO 1 kHz, THD+N=1 %4 W/STEREO 8 W/BRIDGE 1 kHz 2 W/STEREO 20 ms, non-clip 4 W/BRIDGE Power BandwidthTHD+N=0.2 % (half power) Total Harmonic Distortion (THD+N)4-“8 W/STEREO 20 Hz-“20 kHz (half power) 8 W/BRIDGE Intermodulation Distortion4-“8 W/STEREO 60 Hz:7 kHz, 4:1, half power 8 W/BRIDGE Frequency Response8 W, Po=1W Channel separationHalf power, RL=8 W LEVEL=max., input 600 Wshunt Residual NoiseLEVEL=min., 12.7 kHz LPF, IHF-A network S/N Ratio12.7 kHz LPF Damping FactorRL=8 W, 1 kHz SensitivityLEVEL=max., rated power into 8 W Voltage GainLEVEL=max. Input Impedance Front panel Controls Rear panel Input Connectors Output POWER PROTECTION TEMP Indicators CLIP SIGNAL Protection Circuit Fan Circuit Limiter Circuit Power requirements Idle Power Consumption 1/8 Power Consumption (4 W) Maximum Power Consumption (4 W) Dimensions (W x H x D) Weight AC Power cord length450 W + 450 W 650 W + 650 W 1300 W 1000 W + 1000 W 2000 W 10 Hz-40 kHz 0.1% 0.1% 0 dB, +0.5 dB, -1 dB f=20 Hz-50 kHz ³70 dB, 1 kHz £-70 dB 104 dB ³200 +4 dB 33.8 dB 30 kW(balanced), 15 kW(unbalanced) POWER switch (push on/push off) LEVEL attenuator (31 position) x2 Mode switch (STEREO/BRIDGE/PARALLEL) YAMAHA SPEAKER PROCESSING switch (ON/OFF) XLR-3-31 type (balanced) L+R 1/4" phone jack (balanced) L+R 1/4" phone jack L+R 5-way binding post x1 x1 (green) x1 (red) x1 (red) heatsink temp ³85 °C x2 (red) x2 (green) output voltage ³2 V x2 (yellow) output voltage ³20 V POWER switch on/off mute DC detection TEMP (heatsink temp ³90 °C) PC limiter: RL £1 W Stop-“low speed (50 °C)-“variable-“high Speed (70 °C) Comp: THD³0.5 % U.S.A. & Canada 120 V AC, 60 Hz Europe 230 V AC, 50 Hz Australia 240 V AC, 50 Hz 30 W 400 W 2000 W 480 x 88 x 416 mm (18.9 x 3.46 x 16.4 inches) 14 kg (30.9 lbs) 2.3 m * 0 dB=0.775 V rms, half power = 1/2 output level.