Sequential Circuits Prophet-5 Service Manual - Audiofanzine
Sequential Circuits Prophet-5 Service Manual - Audiofanzine Sequential Circuits Prophet-5 Service Manual - Audiofanzine
1-4 PCB 3 COMPUTER BOARDPCB 3 is held by the screws identified in Figure 1-2, and by two direct connectors to PCB 2, behind it. Toremove PCB 3 first remove PCB 4.remove screws, and pull while rocking the board to minimize stress.Disconnect back panel cable from P302 and wheel cable from P301^P301/WHEELCABLE 5PANELCABLEFigure 1-2PCB 3 MOUNTINGWhen replacing be sure allAlignment isconnector pins are correctly mated with PCB 2 before fastening screws.insured by machine screw holes with their standoffs. Remember to reconnect the wheelcable, too, before replacing PCB 4.interlock.When reconnecting wheel and back-panel cables, be sure tabs1-4
1-5 PCB 1/2 CONTROL PANELSOnce PCB 3 and PCB 4 have been removed, control pane! removal involves pulling off all knobs,unscrewing all potentiometer mounting nuts—using a half-inch nutdriver—and removing screwsidentified in Figure 1-3.J201/W1KEYBOARDCABLEPCB 2LEFTCONTROLPANELW201PCB 1/2INTERCONNECTFCB1RIGHTCONTROLPANELFigure 1-3PCB 1/2 MOUNTINGWhen replacing, check keyboard cable, that ail pots fit correctly through the front panel, and thatswitches operate freely before tightening pot nuts.v;^f'1-5
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- Page 3 and 4: PROPHET-5 SYNTHESIZERTECHNICAL MANU
- Page 5 and 6: iJTable of ContentsISECTION 1MECHAN
- Page 7 and 8: '1SECTION 1MECHANICAL1-0 GENERALThi
- Page 9: Raise the top panel assembly to ser
- Page 13 and 14: Figure 1-5KEYBOARD REMOVAL1 -7/1 -8
- Page 15 and 16: TOADDITIONALVCOsTOADDITIONALENV GEN
- Page 17 and 18: 2-2 THE PROPHETThe Prophet is a sub
- Page 19 and 20: COMMON ANALOGVOICE(VOiCES e-5 ARE S
- Page 21 and 22: 'IAll processed CVs originate from
- Page 23 and 24: ajMim—2-8 AUDIO OUTPUTAs shown in
- Page 25 and 26: .'2-10 MICROPROCESSOR, MEMORY, AND
- Page 27 and 28: For troubleshooting, it should be e
- Page 29 and 30: 2-12 ADC, DAC, AND CV OUTPUTSThe DA
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- Page 33 and 34: the same CV and trigger pattern to
- Page 35 and 36: SECTION 3DOCUMENTS3-0 DOCUMENT LIST
- Page 37 and 38: TOP PANEL ASSEMBLY1CHASSiSLAST \NOT
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- Page 58 and 59: Inpreparation for service, set up t
1-4 PCB 3 COMPUTER BOARDPCB 3 is held by the screws identified in Figure 1-2, and by two direct connectors to PCB 2, behind it. Toremove PCB 3 first remove PCB 4.remove screws, and pull while rocking the board to minimize stress.Disconnect back panel cable from P302 and wheel cable from P301^P301/WHEELCABLE 5PANELCABLEFigure 1-2PCB 3 MOUNTINGWhen replacing be sure allAlignment isconnector pins are correctly mated with PCB 2 before fastening screws.insured by machine screw holes with their standoffs. Remember to reconnect the wheelcable, too, before replacing PCB 4.interlock.When reconnecting wheel and back-panel cables, be sure tabs1-4
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