Gemini PMX80 free download

File name Gemini-PMX80 mix.pdf

SERVICE MANUAL PMX-80 Stereo Preamp Mixer CONTENT'S: Connections & Operations:...Page 2-4 Specifications:...Page 5 Parts Lists:...Page 6-8 PCBs:...Page 7-9 Schematics:...Page 10 Gemini Sound Products Corp. 120 Clover Place P.O. Box 6928 Edison, NJ 08818-6928 732-738-9003 (Phone) · 732-738-9006 (Fax) Page 1 9 1 2 3 4 5 1 2 3 4 5 7 6 8 10 Page 2 19 11 29 12 20 30 13 21 31 14 15 22 32 33 23 24 16 25 34 26 17 35 27 18 28 Page 3 36 Connections 1. Make sure that the POWER (6) switch is in the OFF position. This unit comes supplied with a 15 volt AC adaptor. Plug the male pin of the adaptor into the rear panel POWER JACK (7). Then plug the adaptor into a proper power source. 2. The MASTER OUTPUT (1) jacks are unbalanced and used to connect to your main amplifier. 3. The DJ MIC (18) input (found on the front panel) accepts a 1/4" connector and balanced and unbalanced microphones. 4. On the rear panel are 2 stereo PHONO/LINE (3, 4) inputs, 1 stereo PHONO (5) input and 1 stereo LINE (2) input. The PHONO/LINE SWITCHES (8, 10) enable you to set the (3, 4) inputs to Phono or Line. The phono inputs will accept only turntables with a magnetic cartridge. A GROUND SCREW (9) for you to ground your turntables is located on the rear panel. The stereo line inputs will accept any line level input such as a CD player, a cassette player, etc. 5. Headphones can be plugged into the front panel mounted PHONES (36) jack. The CROSSFADER CURVE SWITCH (28) allows you to adjust the kind of curve the crossfader has. When the switch is in the left position, the curve is gradual and gentle. When the switch is in the right position, the curve is steep and cutting (perfect for scratching). The CROSSFADER REVERSE SWITCH (26) allows you to reverse the crossfader so that CHANNEL 2 is controlled by the left side of the crossfader and CHANNEL 1 is controlled by the right side of the crossfader. NOTE TE: CROSSF OSSFADER SWITCH NO TE W hen the CR OSSFADER REVERSE SWIT CH (26) is activated (moved to the right), only the crossfader reverses. The Channel Slides, Gain, Kill Switches and tonal controls do not reverse. 6. OUTPUT CONTROL SECTION: The level of the MASTER OUTPUT (1) is controlled by the MASTER (21) control. 7. TALKOVER SECTION: The purpose of the talkover section is to allow the program playing to be muted so that the mic can be heard above the music. The MIC/TALKOVER (19) switch has three settings. When the MIC/TALKOVER (19) switch is in the left position, the mic and talkover are both off. When the MIC/TALKOVER (19) switch is in the center position the mic is on, the MIC INDIC