User manual ACOUSTIC RESEARCH C-06 service manual

[. . . ] This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Reorient or relocate the receiving antenna. Cet appareil numerique de la Classe B est conforme a la norme NMB-003 du Canada. [. . . ] The batteries provided are used to verify the operations of the remote controller only. NAMES AND FUNCTIONS BEFORE USE ENGLISH NAMES AND FUNCTIONS FRONT PANEL q w er t yu i o NAMES AND FUNCTIONS BASIC CONNECTIONS BASIC OPERATIONS ADVANCED CONNECTIONS ADVANCED OPERATIONS TROUBLESHOOTING OTHERS !0 q INPUT SELECTOR Knob !4 !3 !2 !1 !0 i ATT Button This button attenuates the volume with one press of the button. 19. This knob is for selecting the input source to use in playback and recording. The selected input source is displayed in the display. w DISPLAY Button This button turns the display and side illumination ON and OFF. During power amplifier direct mode, the volume cannot be changed. e TONE Button This button turns the tone control ON or OFF. !0 Illumination Lamp The illumination lamp casts a blue light over the switches and buttons. 19. r SPEAKERS Button This button turns the speaker output to the speakers connected to the SPEAKER SYSTEMS terminals on the rear panel ON or OFF. To listen with headphones, turn speaker output OFF with this button. !1 Tone Control Knobs (BASS, TREBLE) These knobs control bass and treble tones. The bass and treble tones are increased as the corresponding knobs are turned clockwise and decreased as they are turned counterclockwise. When the TONE button is set to OFF, the tone cannot be controlled. t Display Indicate the selected input source, volume level, and setting status. y PHONO MC Button This button switches the phono equalizer between MC and MM. Set the phono equalizer amplifier according to the type of cartridge you use. !2 POWER ON/OFF Switch This switch turns power to the unit ON and OFF. When pressed, power is activated and the blue indicator in the display lights up. Pressing the switch again turns the power OFF. u P. DIRECT IN Button To use this unit as a power amplifier, hold this button pressed for at least 3 seconds until the indicator lights. During power amplifier direct mode, the volume cannot be changed. !1 RECORDER 1/2 Input Jacks These jacks are for connecting to the output jacks of a tape deck or other type of recording device. y SPEAKER SYSTEMS Terminals These terminals are for connecting a speaker systems. Speaker output can be turned ON/OFF from the SPEAKERS button on the front panel. When in bi-amp mode, the signals input into the L channel are output from both channels. !2 LINE 1/2 IN Jacks These jacks are for connecting to the output jacks of a tuner, DVD player, etc. 7 OTHERS TROUBLESHOOTING ADVANCED OPERATIONS ADVANCED CONNECTIONS BASIC OPERATIONS BASIC CONNECTIONS NAMES AND FUNCTIONS NAMES AND FUNCTIONS ENGLISH BASIC CONNECTIONS CONNECTING AUDIO COMPONENTS Notes: · Do not connect this unit and other components to mains power until all connections between components have been completed. Red connectors are for the R (right) channel, and white connectors are for the L (left) channel. · Refer to the instructions for each component that is connected to this unit. · Do not tie the connected cable into a bundle with the power supply cord or speaker cables. Doing so may cause noise. NAMES AND FUNCTIONS BASIC CONNECTIONS BASIC OPERATIONS ADVANCED CONNECTIONS ADVANCED OPERATIONS TROUBLESHOOTING OTHERS CD Player To LINE OUT jack Record player Tuner, etc. To LINE OUT jack PHONO GND PHONO L CD PRE OUT L P. DIRECT IN L R IN 1 LINE 2 IN R R 1 RECORDER 2 L DVD Player, etc. DVD PLAYER DV-12S1 VIDEO ON/OFF DIMMER RANDOM OPEN/CLOSE PLAY STOP PAUSE L To LINE OUT jack R IN IN IN OUT IN OUT R POWER STANDBY V-PART GRP TITLE DVD AUDIO 192kHz 96kHz TRK DIG OFF CHP PROGRESSIVE DOLBY D TEMAIN TOTAL VIDEO OFF L LAST MEMO CONDITION DOWN MIX CR LFE S RS FL OFF LS To LINE OUT jack CD-R, etc. To LINE IN jack To LINE OUT jack Tape deck, etc. To LINE IN jack 8 ENGLISH CONNECTING SPEAKER SYSTEMS · Be sure to use speakers with the specified impedance as shown on the rear panel of this unit. Note: · To prevent damage to circuitry, do not let the bare speaker wires touch each other and do not let them touch any metal part of this unit. · Do not touch the speaker terminals when the power is on. · Be sure to connect the positive and negative cables for the speaker properly. If they are miss-connected, the signal phase will be reversed and the signal quality will be corrupted. BASIC OPERATIONS · Do not connect two or more speaker cables to a speaker terminal at the same time. If you do so, this unit may be damaged. Set to "STEREO" F. C. B. S. SPEAKER SYSTEMS SPEAKER IMPEDANCE : 4 - 8 OHMS R CH L CH BI. AMP STEREO IN OUT L CH speaker R CH speaker 9 OTHERS TROUBLESHOOTING ADVANCED OPERATIONS ADVANCED CONNECTIONS BASIC CONNECTIONS NAMES AND FUNCTIONS BASIC CONNECTIONS ENGLISH BASIC CONNECTIONS BASIC OPERATIONS AMP OPERATION NAMES AND FUNCTIONS BASIC CONNECTIONS BASIC OPERATIONS ADVANCED CONNECTIONS ADVANCED OPERATIONS TROUBLESHOOTING OTHERS 7 1. Wiring speaker cable Strip away approx. 10 mm (3/8 inch) of wire insulation. 7 Turning the Unit ON 10 mm (3/8 in) 2. Twist the bared wire ends tight, to prevent short circuits. 3. Loosen the knob by turning it counterclockwise. POWER ON/OFF button 1. [. . . ] If the abnormality persists, the unit will automatically shut itself off, and the OPERATE indicator will flash (twice per second). In such a case, turn the unit off then back on again after about 1 minute. 5 ERROR 12 7 In the event of amplifier trouble The protection circuit is activated, and the power is automatically shut OFF, if an abnormality is detected in the power circuit. (8 times per second) Turn the unit off then after several minutes turn it on again. [. . . ]