ittKRAM, non-volatile (NV)1000.3.01000.3.11000.3.21000.3.31010RAM, scratchpad (SPAD)1000.3.01010real time clock (RTC)10051010record enable1000.3.01000.3.11010reset1000.3.01000.3.2revision description(s)1000.11000.21000.3.01000.3.11000.3.21000.3.3100510101015.01015.11016revision proceduresROMsample/holdscale modescaling (V/OCT)scan timeschematics1000.3.01000.3.11000.3.21001100510101015.01015.1sequencer interface (mono or poly)1000.3.01000.3.210102-7, 2-10, 2-12, 2-13, 2-21, 3-118-1, 10-211-^13-8ltt-7, 15-11, 16-12-7, 2-10, 2-13 thru 2-17, 2-19, 3-11l'f-5thru R-7, 15-1118-1, 18-2R-5, 11^-6, 15-112-12, t^-1, 3-118-1l'A-8, 15-112-128-2v (D.2)v (D.2)v (D.2)V (D.2), 8-1v (D.2), 8-1,13-1, 23-1ill, 18-1iii, 14-1iii, 18-1lUiii, 18-18-2see "modifications (authorized)"see "EPROM"28, 2-1 1^, 2-182 82 8, 2-9, 2-19, 4-12see "loop"3-5 thru 3-2310-2 thru 10-410-5 thru 10-1122-119-7, 19-10 thru 19-1315-3 thru 15-2419-4 thru 19-719-7, 19-10 thru 19-132-20, 3-12,3-13,4-118-3, 10-814-6 thru 14-8, 15-13, 15-14, 16-14\y>24-8 TN1016-1 10/83
'^\?i(,nr,r\,'\.y ,\ -' .'.^....^:*-"^'serial numbers1000.1 V (D.2)1000.2 V (D.2)1000.3.0 v(D.2), 8-1, U-'*, 1^-11000.3.1 11-4, lif-l1000.3.2 11-5, 12-1, 13-11000.3.3 13-11001 22-11005 18-1, 20-'f1010 14-1, 18-11015.0 18-1, 20-41015.1 18-11016.0 20-4service position 1-1 thru 1-3service, general1000.3.0 4-1, 4-2softwaresubtractive synthesis 2-2switch, bipolar 14-10see "EPROM"switch/keyboard matrix1000.3.0 2-7, 2-15, 3-5, 3-9, 3-131001 22-11010 14-7, 15-5, 15-8synthesizer 2-11f^tape transfer (1015.0 to 1015.1) 20-6, 20-7test points1000.3TP301 OSC SCALE 3-10, 3-12TP302 CV OUT 3-10, 3-13TP303 FILTCV 3-10, 3-13timer (tune, A-'^'fO)1000.3.0 2-13,2-19,3-111010 14-5, 14-6, 15-11timbre 2-2top panel assembly1000.3.0 1-1 thru 1-3, 1-6TUNEr14-10,see also "timer"1000.3.0 2-19, 3-12, 3-14, 3-151000.3.2 14-101010tuning15-12see "oscillator A," "oscillator B," or "filter"UART/USART1000.3.2 8-2, 8-3, 10-71000.3.3 13-81005 18-11010 14-5, 14-6, 15-111015.0 19-41015.1 18-1, 19-11ugly mod 14-1, 16-1unisonsee also "glide"1000.3.0 2-9, 2-17, 2-19, 2-20, 3-14, 4-5updatessee "modifications"TN1016-1 10/83 24-9
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PROPHET-5 SYNTHESIZERTECHNICAL MANU
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iJTable of ContentsISECTION 1MECHAN
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'1SECTION 1MECHANICAL1-0 GENERALThi
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Raise the top panel assembly to ser
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1-5 PCB 1/2 CONTROL PANELSOnce PCB
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Figure 1-5KEYBOARD REMOVAL1 -7/1 -8
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TOADDITIONALVCOsTOADDITIONALENV GEN
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2-2 THE PROPHETThe Prophet is a sub
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COMMON ANALOGVOICE(VOiCES e-5 ARE S
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'IAll processed CVs originate from
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ajMim—2-8 AUDIO OUTPUTAs shown in
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.'2-10 MICROPROCESSOR, MEMORY, AND
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For troubleshooting, it should be e
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2-12 ADC, DAC, AND CV OUTPUTSThe DA
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iirH- - jMg 1— -^ 'iVMUX, U201-3^
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the same CV and trigger pattern to
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SECTION 3DOCUMENTS3-0 DOCUMENT LIST
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TOP PANEL ASSEMBLY1CHASSiSLAST \NOT
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TB/0i/20f 32 22 30 20 19 25 233 2 I
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TBZOf/^fOtP^2C20ZTBZOI/IOl17FUT ATK
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OA* Y*tMOlooMtt'O o)i:i'^.^^.1 I5-
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—' i+6V+5d^1—+I5V+ SV+ V ff^ U3
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1+ I5V£/JJiJ-5|T> -TUNEWBOtWfOiAMP
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P40I+I6V(TUNE MUX)P40iP40f3ft wMIK
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+ I5VOSCP40i^Q ^ |PMOPFR£QASFINAL
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M+I5VP40/ x|5v301 K|%34^fM0O£WASR4
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IU504ft50647C5042Z00|iFMCTBMtZCT2 1
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Inpreparation for service, set up t
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4-2 OSCILLATOR B TESTSTEP MODULE CO
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4-S FILTER TEST.STEP'MODULE CONTROL
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4-8 POLY-MOD TEST—A.STEP MODULE C
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i4-11 PITCH WHEEL TRIMThis trim rem
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A)I4-16 VCO SCALE TRIMBE SURE RECOR
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4-19 FILTER ENVELOPE AMOUNT VCA BAL
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4-21 FINAL VGA BAL1. Switch PRESET
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115-3 PCB 3BT301 E-040L-\:!Oi 0-U45
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I ]U374U375U376U377U37SU379U380U381
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1R419SR4199R4200R4201R4202R4203R420
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51» IR44S7/488 R-025R44S9 R-009R44
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- Page 100 and 101: t J IISECTION 10REVISION 3.1 and 3.
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- Page 118 and 119: SECTION 13PROPHET-5 REV 3.3 UPDATET
- Page 120 and 121: iFigure 13-1PCB 3 TOP MODIFICATIONT
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