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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)

Summary of Contents for PMX-80

Page 1: ...mp 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 2: ...Page2 7 6 1 1 2 2 3 3 4 4 5 5 8 10 9 ...

Page 3: ...Page3 19 11 12 20 29 30 33 23 24 16 34 25 28 27 13 21 22 14 15 31 32 26 17 35 36 18 ...

Page 4: ...s 1 Unscrew the outside FADER PLATE SCREWS B Do not touch the INSIDE SCREWS C 2 Carefully lift the fader and unplug the CABLE D 3 Plug the new fader into the cable and place it back in the mixer 4 Screw the fader to the mixer 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 swit...

Page 5: ...FADER KNOB SWING LONG KNOB PUSH SMALL KNOB SLIDE BIG KNOB ROTARY B TYPE INLAY KNOB BLACK INLAY KNOB GRAY INLAY KNOB RED TRIM VR HOLDER LED 3f 17mm PAD FOOT DUST PROOF CLOTE VR SWING DUST PROOF CLOTH GND SCREW BUSHING WIRE BAND HEAD TAPPING SCREW TW E 3 6 AB FLAT HEAD TAPPING SCREW 3f 6 AB BAND HEAD TAPPING SCREW 3 6 AB FLAT HEAD TAPPING SCREW 3f 12 AB BAND HEAD TAPPING SCREW 3f 5 AB BAND HEAD TAPP...

Page 6: ...art ICs Item 1 2 3 080 104 081 038 082 019 071 161 071 066 071 158 LIGHT EMITTING DIODE GREEN 3 15f SLIDE SWITCH LEVER SWITCH 4P2C ROTARY VR 16f L 20 GAIN 10KA 2 ROTARY VR 16f L 20 MIC 50KA ROTARY VR 16f L 20 MASTER 500KA 2 D9 12 SW4 SW2 SW5 SW7 VR3 VR9 VR8 VR6 Designators Description Part Electrical Parts Item 1 2 3 4 5 6 074 145 074 100 074 104 074 154 INTEGRATED CIRCUIT NJM2068LD INTEGRATED CIR...

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Page 9: ...C61 56P R103 33K R85 4K7 R107 33K R86 33K R104 5K6 R90 2K4 R94 3K6 C60 181 R96 5K6 R110 100K 6 5 7 IC9B 4558LD R87 2K R95 5K6 R98 1K R97 1K IC6 8 IC6 4 IC8 8 IC8 4 C55 10 16 C56 10 16 D6 LED R59 4K3 VCC VCC SW8B SW8A SW3A SW3B SW3C SW3D SW1A SW1B R71 10 C47 22 16 IC2 8 R49 10 C37 22 16 IC3 8 R5 10 C10 22 16 IC5 8 R102 10 C64 22 16 IC6 8 R2 10 C5 22 16 IC7 8 R114 10 C72 22 16 IC8 8 R122 10 C82 220 ...

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