Gemini X1 Service Manual
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Gemini X1 Service Manual

Professional amplifiers
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See also: Operating Manual
SERVICE
MANUAL
X1 / X2 / X3 / X4
PROFESSIONAL AMPLIFIERS
Diagrams................................................
Features, Operating Instructions...................
Specifications...........................................
Troubleshooting........................................
Parts List.................................................
Schematics..............................................
Page 1
Page 2
Page 3
Page 5
Page 6
Page 7
Page 20

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Summary of Contents for Gemini X1

  • Page 1: Service Manual

    SERVICE MANUAL X1 / X2 / X3 / X4 PROFESSIONAL AMPLIFIERS Diagrams………………………………………… Page 2 Features, Operating Instructions………………. Page 3 Specifications……………………………………. Page 5 Troubleshooting…………………………………. Page 6 Parts List…………………………………………. Page 7 Schematics………………………………………. Page 20 Page 1...
  • Page 2 X1 / X2 / X3 Page 2...
  • Page 3 AC line voltage switch (17) allows reconfiguring amplifier for either 110-120V or 220-240V AC lines. • Signal LEDs and Clip LEDs for better control on X1, X2, X3 amplifers Output Section: • Large VU-meters and Clip LEDs for better control on X4 amplifier Disconnect unit from the AC power source before making any •...

  • Page 4: Operation

    remains on or flashes repeatedly, reduce the signal level by lowering functions. If one of these situations occurs, the amplifier senses the input level control for the channel that is clipping or reduce the the problem and automatically switches into protection mode. The level at the source.

  • Page 5: Specifications

    Balanced/ Unbalanced lnputs ............ 1/4" Jack Speaker Outputs ............. 5-way Binding Posts Dimensions: X1, X2, X3 ......19"W x 10.75"D x 3.5"H (483 x 273 x 89 mm) X4 ......... 19"W x 10.75"D x 5.25"H (483 x 273 x 133 mm) Weight 16.3 Ibs 17.8 Ibs 20.2 Ibs 21.6 Ibs...

  • Page 6: Troubleshooting

    • CHECK THAT THE FUSE TYPE AND RATING IS CORRECT. PROTECT LED STAYS ON WITH NO • FAILED AMPLIFIER. • CONTACT THE GEMINI SERVICE DEPARTMENT OR SPEAKERS CONNECTED AND WITH THE YOUR AUTHORIZED DEALER TO SPEAK TO A AMPLIFIER COOLED DOWN.

  • Page 7: Parts List

    PARTS LIST PART# QUANTITY NAME 121-007A BAND-HEAD TAPPING SCREW BTB-3 3×6(AB) 110-138 BAND-HEAD TAPPING 012-029 PANEL CONTROL SCREW BTS-2 3×8(B) 021-463 MAIN CHASSIS 111-046A BAND-HEAD TAPPING 031-048 TOP COVER SCREW BTS-3 3×6(AB) 022-861 MOUNTING BRACKET 110-187A BAND-HEAD TAPPING 041-446 HEAT SINK SCREW/TWIN SCREW 041-449 HEAT SINK (D)
  • Page 8 076-002 SILICON TRANSISTORS 079-034 RECTIFIER DIODE 1N4004 2SC945 (Q)(P) 076-003 SILICON TRANSISTORS 079-003 SILICON DIODE 1N4148 OR 2SC1815 (Y)(GR) 079-012 ZENER DIODE 1/2W 12V 076-020 SILICON TRANSISTORS (RD12EB,HZ12B2) 2SA733 (Q)(P) 079-019 ZENER DIODE 1/2W 5.6V 076-023 SILICON TRANSISTORS (RD5.6EB2) OR 2SA1015 (GR)(Y) 079-056 ZENER DIODE 1/2 W 3.3V 079-037...
  • Page 9 073-506 METAL FILM RESISTORS 1/ 050-058 ELECTROLYTIC 8W 10KΩ 2% CAPACITORS 220µ/16V 063-005 THERMISTOR 050-120 ELECTROLYTIC PTH9M04BE222TS2F333 CAPACITORS 220µ/25V 062-023 WIRE WOUND RESISTOR 050-198 ELECTROLYTIC (CERAMIC) 3W 0.15Ω CAPACITORS 6800µ/50V 061-032 METAL FILM RESISTORS 051-148 CERAMIC CAPACITOR 2W 1.5KΩ 0.01µ/500V 061-101 METAL FILM RESISTORS 051-018...
  • Page 10 PART# QUANTITY NAME 118 060-703 JUMPER WIRE 0.7φ T/ 52mm P=5mm 119 060-703 JUMPER WIRE 0.7φ T/ 012-030 PANEL CONTROL 52mm P=6mm 021-464 MAIN CHASSIS 120 060-703 JUMPER WIRE 0.7φ T/ 031-048 TOP COVER 52mm P=7.5mm 022-861 MOUNTING BRACKET 121 060-703 JUMPER WIRE 0.7φ...

  • Page 11: Sa1837

    076-072 SILICON TRANSISTOR OR 111-044A BAND-HEAD TAPPING 2SC3298(Y) SCREW ( “NUT” ) BTS-3 076-101 SILICON TRANSISTOR 3×10(AB) 2SA1145(Y) OR (R) 111-060 PAN-HEAD TAPPING 076-034 SILICON TRANSISTOR OR SCREW PTS-3 4×8(N) 2SA949(Y) OR (R) 102-161 PAN-HEAD MACHINE 076-102 SILICON TRANSISTOR SCREW 3×12(Y) 2SC2705(Y) OR (O) 102-162...
  • Page 12 CARBON FILM RESISTORS 001-613 DC FAN 24V (80×80×25mm) 060-218 CARBON FILM RESISTORS 092-078 6.3φPHONE JACK 1/4W 10Ω 092-105 AC INLET (IEC SOCKET 060-237 CARBON FILM RESISTORS +FUSE) 1/4W 62Ω 060-245 CARBON FILM RESISTORS 100-056 FUSE 20mm UL 8A AC250V 1/4W 130Ω 100-071 FUSE 20mm VBS UTE 6.3A 060-253...
  • Page 13 PART# QUANTITY NAME 105 054-013 POLYESTER CERAMIC CAPACITOR 0.01µ/50V 012-031 PANEL CONTROL 106 054-022 POLYESTER CERAMIC 021-465 MAIN CHASSIS CAPACITOR 0.047µ/50V 031-048 TOP COVER 107 054-026 POLYESTER CERAMIC 022-861 MOUNTING BRACKET CAPACITOR 0.1µ/50V 041-448 HEAT SINK 108 054-030 POLYESTER CERAMIC 041-449 HEAT SINK (D) CAPACITOR 0.22µ/50V...

  • Page 14: Mpsa13

    102-161 PAN-HEAD MACHINE 076-073 SILICON TRANSISTOR OR 2SA1306 SCREW 3×12(Y) 076-100 SILICON TRANSISTOR 102-162 PAN-HEAD MACHINE 2SC4793 SCREW 4×18(Y) 102-111 PAN-HEAD MACHINE 076-072 SILICON TRANSISTOR OR 2SC3298(Y) SCREW PMS 5×8(B) 076-101 SILICON TRANSISTOR 131-081 NUT/WASHER3φ(B) 2SA1145(Y) OR (R) 107-022A BAND-HEAD MACHINE 076-034 SILICON TRANSISTOR OR SCREW...
  • Page 15 061-112 METAL FILM RESISTORS 1/ 4W 86.6KΩ 1% 080-085 LED (RED) 5φ 061-108 METAL FILM RESISTORS 1/ 080-110 LED (YELLOW) 5φ 4W 1MΩ 1% 080-086 LED (GREEN) 5φ 061-106 METAL FILM RESISTORS 1/ 4W 2.21KΩ 1% 071-220 ROTARY VR 10KA L:15MM 081-023 SLIDE SWITCH 2P2C UL 060-218...
  • Page 16 102 051-034 CERAMIC CAPACITOR 100P/50V 128 190-075 HEAT-SHRINK TUBING UL 103 051-156 CERAMIC CAPACITOR UL 28φ 35mm 0.0047µ/400V 129 190-230 HEAT-SHRINK TUBING UL 35φ 35mm 105 054-013 POLYESTER CERAMIC 130 190-063 TUBE 1φ 30mm CAPACITOR 0.01µ/50V 106 054-022 POLYESTER CERAMIC 132 003-605 CABLE TIES CV-100 CAPACITOR 0.047µ/50V...
  • Page 17 076-020 SILICON TRANSISTORS 121-007A BAND-HEAD TAPPING 2SA733 (Q)(P) SCREW BTB-3 3×6(AB) 076-023 SILICON TRANSISTORS 110-138 BAND-HEAD TAPPING OR 2SA1015 (GR)(Y) SCREW BTS-2 3×8(B) 111-046A BAND-HEAD TAPPING SCREW BTS-3 3×6(AB) 110-187A BAND-HEAD TAPPING 076-117 SILICON TRANSISTOR SCREW/TWIN SCREW 2SA1943(O) OR (R) 3×12(AB) SILICON TRANSISTOR OR 111-044A...

  • Page 18: Fuse Clip Jh

    080-085 LED (RED) 5φ 061-112 METAL FILM RESISTORS 080-110 LED (YELLOW) 5φ 1/4W 86.6KΩ 1% 080-086 LED (GREEN) 5φ 061-108 METAL FILM RESISTORS 1/4W 1MΩ 1% 071-220 ROTARY VR 10KA L:15MM 061-106 METAL FILM RESISTORS 081-023 SLIDE SWITCH 2P2C UL 1/4W 2.21KΩ...
  • Page 19 134 146-509 PIN CONNECTOR 112 054-013 POLYESTER CERAMIC CAPACITOR 0.01µ/50V 136 190-075 HEAT-SHRINK TUBING UL 113 054-022 POLYESTER CERAMIC 28φ 35mm CAPACITOR 0.047µ/50V 137 190-230 HEAT-SHRINK TUBING UL 114 054-026 POLYESTER CERAMIC 35φ 35mm CAPACITOR 0.1µ/50V 138 190-063 TUBE 1φ 30mm 115 054-030 POLYESTER CERAMIC CAPACITOR 0.22µ/50V...
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  • Page 24 Germany • Gemini Sound Products GmbH • Ottostrasse 6, 85757 Karlsfeld, Germany Tel: 08131 - 39171-0 • Fax: 08131 - 39171-9 UK • Gemini Sound Products • Unit C4 Hazleton Industrial Estate, Waterlooville, UK P08 9JU Tel: 087 087 00880 • Fax: 087 087 00990 Spain •...

This manual is also suitable for:

X2X3X4

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