GEM equinox, Service Manual

Page 1: ...e Service must be carried out by qualified personnel only Any tampering carried out by unqualified personnel during the guarantee period will forfeit the right to guarantee For a correct operation of...

Page 2: ...ow unscrew the screws marked with K2 to reassemble the keyboard the chassis follow the instru ctions in reverse order Keyboard Separation K1 K2 K1 K1 K1 K2 K2 K2 K1 K1 K1 K1 K2 K2 K2 K2 76 Notes Unloc...

Page 3: ...CK DECAY RELEASE CUT OFF RESON DEPTH RATE CONTRAST GAIN 2 GAIN 1 2 2 2 1 RIGHT LEFT IN 1 OUT 1 THRU 1 IN 2 OUT 2 THRU 2 COMPUTER VOLUME 1 2 DAMPER SCSI USER DRAWBARS 9 10 11 12 13 15 16 OCTAVE SOLO FX...

Page 4: ...CN6 CN2 24 CN2 2 1 32 33 35 34 Pcb 315153 8 3 Pcb 315163 7 VR11 CN3 CN1 9 10 CN1 CN5 Pcb 315113 CN2 CN6 CN3 CN2 CN1 For part descriptions and codes refer to spare part list above on this manual REF co...

Page 5: ...CN4 CN6 CN2 24 CN2 2 1 32 33 35 34 Pcb 315153 8 3 Pcb 315163 7 VR11 CN3 CN1 9 10 CN1 CN5 Pcb 315113 CN2 CN6 CN3 CN2 CN1 This drawing shows the 2nd version 76 keys with switching supply the 61 keys is...

Page 6: ...WITHOUT Boccato Consorte Consorte 550155 65 1 1 25 09 98 Block Diagram 1st Version with traditional supply APP CKD DRW REV DISK DWG PRT PCB GENERALMUSIC S p A ITALY ALL RIGHTS ARE RESERVED NO COPIES W...

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Page 9: ...hones Board Pcb Layout DRW BOCCATO APP PANNELLI REV 08 10 98 DISK 65 PART 1 1 CKD RICCOBELLI DWG 315088 116 ALL RIGHTS ARE RESERVED NO COPIES ORREPRODUCETHISDOCUMENTWITHOUT WRITTEN CONSENT BY GENERALM...

Page 10: ...ard and Analog I O Board Pcb Layouts DRW BOCCATO APP PANNELLI REV 09 10 98 DISK 65 PART 1 1 CKD RICCOBELLI DWG 315151 163 ALL RIGHTS ARE RESERVED NO COPIES OR REPRODUCE THIS DOCUMENT WITHOUT WRITTEN C...

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Page 12: ...DL9 R6 560E DL2 DL10 DL25 R10 1K R3 22K C22 100N R12 1K 3 2 1 4 6 5 CK D R S Q Q D FF IC2 A 74HC74 R8 100K 11 12 13 10 8 9 CK D R S Q Q D FF IC3 B 74HC74 C26 100N 1 2 3 4 SW24 C1 10U 7 14 IC1 E 74HC86...

Page 13: ...CHEMATIC DIAGRAM EQUINOX Controls Panel Controls Interface and Keyboard Interface Board Pcb Layouts DRW BOCCATO APP PANNELLI REV 25 05 98 DISK 65 PART 1 1 CKD RICCOBELLI ALL RIGHTS ARE RESERVED NO COP...

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Page 16: ...EQUINOX Cpu Sound Generator Board Pcb Layout DRW BOCCATO APP PANNELLI REV 07 10 98 DISK 65 PART 1 1 CKD RICCOBELLI DWG 315150 ALL RIGHTS ARE RESERVED NO COPIES ORREPRODUCETHISDOCUMENTWITHOUT WRITTEN C...

Page 17: ...o sizes are available 970213 2Mbyte 32pins 970331 8Mbyte 44pins J1 Set the jumper as follow 1 2 A if Buffer modules are installed 2 3 B if SIMM DRAM modules are installed note the buffer modules are s...

Page 18: ...3 2 126 125 124 123 128 41 1 103 104 47 48 49 50 51 52 57 56 54 60 35 55 59 53 38 45 46 6 8 10 11 14 37 40 42 24 23 26 9 7 101 100 99 98 97 96 95 94 93 89 88 87 86 85 84 83 82 81 80 78 77 76 75 74 34...

Page 19: ...ac 995169 Equinox 76N GEM Brand 115 230Vac 995170 Equinox 76N Generalmusic Brand 115 230Vac Ref Code Description Accessories 970329 Owner s Manual English Version 970328 Owner s Manual Italian Version...

Page 20: ...740 HD6433278 Cpu F 20MHz 100645 74HC4351 8ch Analog Multiplexer 100605 74HC125 Quad 3 State Buffer 090183 BC550 TO92 LN Npn Transistor 090153 BC327 TO92 Pnp Transistor 080103 1N4148 100mA 75V Signal...