Sequential Circuits Prophet-5 Service Manual - Audiofanzine

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115-3 PCB 3BT301 E-040L-\:!Oi 0-U45C302 0-031C303 0-021C304-15 0-045C:316 C-014C317 0-0310318-20 0-045C321 0-036C322/23 0-045C324 C-040r- O 9 b; / -:. 0-045/.C327-4S 0-012C349/50 0-045C351 0-046C352 0-045C353/54 0-036C355/56 0-021C357 0-045C35S 0-0470359 0-012C360 0-021C360-0140362-64 0-012C365-6? 0-0450370 0-0310371 0-0450372 0-0120373/74 0-0450375 0-0120376 0-0410377-Sl 0-0450382 0-0410383 0-0450384/85 0-0120386 0-045D301-3 D-005D304D-OOlD305-19 D-005J301J-031,J302 J-042P30P-027P302 P-029P303 P-030P304 P-013Q301-0S T-003Q309 T-00883741R301 R-025R302 R-0 1R303 R-022R304 R-0 10R305/06 R- 1R307 R-025R303 R-0 11R309 R-0 10R310 R-004R3 11-1R-025R314 R-0 1R315 R-025R316 R-0 10R317 R-0 11R3 1R-025R319 R-047R320 R-062R321 R-064R322 R-054R323 R-040R324 R-025R325 R-0 1R326 R-031R327 R-022R328 R-054R329 R-110R330R-1&2R331R-OOSR332 R-067r\ooo R-2 12R334 R-2 11R335 R-163R336 R-144R337 R-107R338 R-2 1R339 R-2 18R340 R-107R341 R-108R342/43 R-115R344 R-144R34I5 R-068R346 R-045R347-49 R-025R350 R-167R351 R-025R352 R-110R353 R-0 12R354/55 R-llONR356 R-165R357R-llONR358-60 R-llOAR361/62 R-045R363-5 R-llOBR366 R-142R367 R-0 145-2
I643iR363/69 R-162R370 R-014R371 R-142R372R-llONR373 R-025R374 R-110R375R-OOSR376R-ll/i.R377 R-121r;c";i'7'0R-110R379R-llOAR3S0/S1 R-012R382/3 R-llOBR334 R-008C* C' C' c^R-217R336 R-218R387 R-110R3S3/99 R-008R390 R-029R391 R-113no y^ R-161R393 R-025R394 R-066R395R-OISR396 R-006R397/9S R-014R399 R-119R 3 1 R-110R3101 R-025R3102 R-110R3103/104 R-128R3105 R-122R3106 R-011R3107 R-113R310S R-142R3109 R-063R3110 R-012R3111R-OlOR3112R-02SR3113 R-012R3114/n5 R-036R3116 R-038R3J.17/11S R-029R311'"' R-015R3i20 R-004R3121/122 R-011R3 123/ 124 R-025R3 25 1 R-035R3126 R-0 1R3127/S R-012R3129R-21SR3130 R-015R3131 R-065R3132 R-026AR3133R3134R3135R3136R3137R313SR3139R3140R3141/142R3143R3144R3145R3146R3147/14SR3 149 /ISOR3151R3152R3153U301-SU309US' 1LI311U312U3 1LI3 1U315U316/17U31S/19IJ320U321U322U323/24U325U326U327/28U329U330U331U332-40IJ341/42U343-45U346U347U34SU349-54U355-57U353-64LI365IJ366-6811369-71U372IJ373R-065R-006R-123R-159R- 1 39R-116R-006R-004R-217R-004R-026R-064R-012R-025R-029R-030R-004R-0111-2261-230I-lOl1-025Z-
Page 1 and 2:
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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 and 10:
Raise the top panel assembly to ser
Page 11 and 12:
1-5 PCB 1/2 CONTROL PANELSOnce PCB
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
Page 31 and 32: iirH- - jMg 1— -^ 'iVMUX, U201-3^
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
Page 39 and 40: TB/0i/20f 32 22 30 20 19 25 233 2 I
Page 41 and 42: TBZOf/^fOtP^2C20ZTBZOI/IOl17FUT ATK
Page 43 and 44: OA* Y*tMOlooMtt'O o)i:i'^.^^.1 I5-
Page 45 and 46: —' i+6V+5d^1—+I5V+ SV+ V ff^ U3
Page 47 and 48: 1+ I5V£/JJiJ-5|T> -TUNEWBOtWfOiAMP
Page 50 and 51: P40I+I6V(TUNE MUX)P40iP40f3ft wMIK
Page 52 and 53: + I5VOSCP40i^Q ^ |PMOPFR£QASFINAL
Page 54 and 55: M+I5VP40/ x|5v301 K|%34^fM0O£WASR4
Page 56 and 57: IU504ft50647C5042Z00|iFMCTBMtZCT2 1
Page 58 and 59: Inpreparation for service, set up t
Page 60 and 61: 4-2 OSCILLATOR B TESTSTEP MODULE CO
Page 62 and 63: 4-S FILTER TEST.STEP'MODULE CONTROL
Page 64 and 65: 4-8 POLY-MOD TEST—A.STEP MODULE C
Page 66 and 67: i4-11 PITCH WHEEL TRIMThis trim rem
Page 68 and 69: A)I4-16 VCO SCALE TRIMBE SURE RECOR
Page 70 and 71: 4-19 FILTER ENVELOPE AMOUNT VCA BAL
Page 72 and 73: 4-21 FINAL VGA BAL1. Switch PRESET
Page 76 and 77: I ]U374U375U376U377U37SU379U380U381
Page 78 and 79: 1R419SR4199R4200R4201R4202R4203R420
Page 80 and 81: 51» IR44S7/488 R-025R44S9 R-009R44
Page 82 and 83: kL096 E-066098 E-071100 E-078102 E-
Page 84 and 85: IJ310 M-156312 M-157314 M-158316 M-
Page 86 and 87: JJ51S R-161520 R--162522 R-163524 R
Page 88 and 89: FFFFDBKFETFFFILTFINFINEFOAFREQFSKFT
Page 90 and 91: 11 IJSECTION 8THEORY8-0 INTRODUCTIO
Page 92 and 93: 1 1for the 2 to 5-foot range. The c
Page 94 and 95: IiSECTION 9PRCX^RAMMING9-0 INTRODUC
Page 96 and 97: I3JIJThe Prophet will not accept st
Page 98 and 99: ByteByte 23Switch Bit (7)OSC A PULS
Page 100 and 101: t J IISECTION 10REVISION 3.1 and 3.
Page 102 and 103: I+ I5V+5dI^1-+5V 2'2pF+I6V+5V^^' U3
Page 104 and 105: T&=* PANEL ASSE^^mtYSAfKEYBOARD,'r-
Page 106 and 107: .^^'»_ u jj'/X H"r,P-*tQ( p5^f -^"
Page 108 and 109: 4/J«-5[E> -TUNER57a12wzofwiOi^^^^^
Page 110 and 111: —T8502J/fRSOBWMfrS/IC5045.iiU502i
Page 112 and 113: ^ 1 1 ;4 PINFigure II-OFigure11-TM1
Page 114 and 115: I 111-2 REVISION 3.0 MEMORY TESTRev
Page 116 and 117: Tr1 1-5 WHEEL BALANCE TRIM1. See pa
Page 118 and 119: SECTION 13PROPHET-5 REV 3.3 UPDATET
Page 120 and 121: iFigure 13-1PCB 3 TOP MODIFICATIONT
Page 122 and 123: T 1ttSillniiinMIttltltlltlillll^- ^
Page 124 and 125:
i/*5-tft/jj4-y,6-C90H202 >7-CS0H5Q3
Page 126 and 127:
'^'K'..v''
Page 128 and 129:
tV t IEPROM1000.3.0V.8.0V.8.1V.8.21
Page 130 and 131:
IJmemory interface1000.3.01000.3.11
Page 132 and 133:
ittKRAM, non-volatile (NV)1000.3.01
Page 134:
1voltage-current convertervoice ass
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