STEREO AMPLIFIER A-109 Operating Instructions 1
Thank you for buying this PIONEER product. Please read through these operating instructions so you will know how to operate your model properly. After you have finished reading the instructions, put them away in a safe place for future reference. In some countries or regions, the shape of the power plug and power outlet may sometimes differ from that shown in the explanatory drawings. However, the method of connecting and operating the unit is the same.
CONTENTS FEATURES ......................................................................... 3 OPERATIONS ..................................................................... 9 INSTALLATION .................................................................. 3 TROUBLESHOOTING ...................................................... 11 CONNECTIONS .................................................................. 4 SPECIFICATIONS .............................................................
CONNECTIONS Before making or changing the connections, switch off the power switch and disconnect the power cord from the AC outlet. Cassette deck/ CD recorder/ MD recorder CD player Adaptor component (graphic equalizer etc.
CONNECTIONS CONNECTING THE SPEAKER CORDS 1. Strip off the vinyl covering and twist the tip of the wire core. 10mm CONNECTING THE INPUT/OUTPUT CORDS Connect the white plug to the L (left) channel, and the red plug to the R (right) channel. Be sure to push the plugs securely. Left channel 2. Loosen the knob and insert the wire core into the terminal hole. 3. Tighten the knob to fix the wire core in place.
PANEL FACILITIES [ FRONT PANEL ] 1 2 STEREO AMPLIFIER 3 4 VOLUME z¿,?/ Direct Energy MOS CD TUNER PHONO LINE TAPE 1/ CD-R/MD TAPE 2 MONITOR POWER — OFF _ ON BASS SPEAKERS TREBLE BALANCE PHONES LOUDNESS – - 0 + 9 – + 8 DIRECT MIN 7 TAPE 2 MONITOR L MAX 6 INPUT SELECTOR R 5 1 POWER (—OFF/_ON) switch 4 TAPE 2 MONITOR button/indicator Press to turn power to the unit ON and OFF. Use when there is an adaptor component (graphic equalizer, etc.
PANEL FACILITIES 5 BALANCE control 8 TREBLE tone control Should normally be left in the center position. Adjust balance if the sound is louder from one of the speakers. If the right side is louder, turn toward the L (left) position and if the left side is louder, turn toward the R (right) position. Use to adjust the high-frequency tone. The center position is the flat (normal) position.
PANEL FACILITIES [ REAR PANEL ] 1 23456789 0 - = L AC INLET SPEAKERS SIGNAL GND PHONO TUNER CD LINE TAPE 1/CD-R/MD REC PLAY TAPE 2 MONITOR REC R PLAY L L R R IN IN IN IN OUT IN OUT IN ª · · ª 1 GND (Turntable ground) terminal = AC INLET jack 2 PHONO terminals Connect one end of the power cord to here and the other end to an AC wall socket, or the AC outlet of an audio timer.
OPERATIONS BEFORE BEGINNING OPERATIONS 1. 2. 3. 4. 5. 6. Set the VOLUME control to minimum. Set the POWER switch to ON. Press the SPEAKERS switch to ON. Set the BALANCE control to the center position. Set the DIRECT button to off. Set the TAPE2 MONITOR button to off. PLAYBACK PROCEDURES 1. Set the INPUT SELECTOR knob to the desired playback source. ÷ ÷ ÷ ÷ For playback of a compact disc: Set to [CD]. For reception of an AM/FM broadcast: Set to [TUNER]. For playback of a record: Set to [PHONO].
OPERATIONS TO USE THE COMPONENT CONNECTED TO THE TAPE2 MONITOR TERMINALS [For a cassette deck] ÷ A cassette deck connected here can be operated in the same way (recording and playback) as a deck connected to the TAPE2 MONITOR terminals. ÷ Also, if two decks are used, you can copy tapes from one deck onto the other (see the section on “COPYING TAPES”). 1. Set the TAPE2 MONITOR button to ON. 2. Operate the cassette deck to perform playback (or recording).
TROUBLESHOOTING Incorrect operations are often mistaken for trouble and malfunctions. If you think that there is something wrong with this component, check the points below. Sometimes the trouble may lie in another component. Investigate the other components and electrical appliances being used. If the trouble cannot be rectified even after exercising the checks listed below, ask your nearest PIONEER authorized service center or your dealer to carry out repair work. Symptom No power supplied to unit.
SPECIFICATIONS Amplifier Section Power Supply/ Miscellaneous Continuous power output (both channels driven at 20 Hz to 20 kHz)** T.H.D. 0.1 %, 8 Ω ..................................... 30 W + 30 W* DIN Continuous power output (both channels driven at 1 kHz) T.H.D. 1.0 %, 8 Ω ....................................... 40 W + 40 W Total harmonic distortion** 20 Hz to 20 kHz, 15 W, 8 Ω ................................ 0.08 %* ÷ The above values are applicable when AC 230 V power is supplied.
