Sequential prophet 5 - Preparation

4-1 PREPARATION
You will need a 4-1/2 digit OVM and a quality dc-triggered oscilloscope, preferably with a 10X hori¬
zontal amplifier section. As usual, dual-trace capability helps. A frequency counter can be used
instead of a scope for tuning, but this method is generally much slower so we don't recommend it.
The procedures include directions for trimming by ear alone where this is possible. However, while
it is possible to tune the Prophet by ear alone we can't recommend that either. The Prophet has its
own A-440 reference, which is activated by holding S103, PROGRAM SELECT 1 and pressing S104,
PS2 simultaneously.
NOTE: EACH PROCEDURE BELOW IS SELF-CONTAINED AND REQUIRES THAT THE CONTROLS
BE SET AS LISTED IN TABLE 4-0. Note also that the Prophet presets to program 1-1 whenever power
is switched on. This means that you will have to switch off PRESET mode and check the switches
whenever you power-up (after powering-off to swing out PCB 4. for example).
TABLE 4-0
BASIC TRIM SETUP
(See MA110. Section 3)
POLY-MOD SECTION
R201
FILT ENV
0
R202
OSCB
0
S201
FREQ A OFF (UNLIT)
S202
PW A
OFF
S203
FILT
OFF
S207 MOD PRESET OFF
LEO SECTION
R208
FREQ
0
S208
SAWTOOTH
OFF
S209 TRIANGLE OFF
S210
PULSE
OFF
WHEEL-MOD SECTION
R212
SRC MIX
0 (LFO)
S216
FREQ A
OFF
S217
FREQ B
OFF
S218
PW A
OFF
S219
PW B OFF
S220
FILT
OFF
OSCILLATOR A
R203
FREQ
0
S204 SAWTOOTH
ON
S205
PULSE OFF
R204
PW
0
S206 SYNC
OFF
OSCILLATOR B
R209 FREQ
0
R210 FINE
0
S211
SAWTOOTH
OFF
S212
TRIANGLE OFF
S213
PULSE OFF
R211 PW
0
S214
LO FREQ OFF
S215 KEYBOARD
OFF
MIXER SECTION
R205 OSC A 10 4
R206 OSCB 0
R207 NOISE 0
FILTER SECTION
SI 01 PRESET
OFF
R101
CUTOFF
10
R102
RESONANCE
0
R103 ENV AMT 0
S102
KEYBOARD ON
R106
ATTACK 0
R107 DECAY 0
R108
SUSTAIN
0
R109
RELEASE 0
AMPLIFIER
R110 ATTACK 0
R111
DECAY
0
R112
SUSTAIN 10
R113 RELEASE 0
sin
RELEASE
OFF
PROGRAMMER SECTION
5222 PRESET
5223 RECORD
OFF
$224
BANK SEL
X
S103-S110 PRGM SEL 1-8
X
OTHER
R104 MASTER TUNE
5 (CENTERED)
R105 VOLUME
AS NEEDED
R213 GLIDE
0
S221 UNISON
ON
S112 EDIT
X
S113 TUNE
X
R701 PITCH WHEEL
CENTERED
R702 MOD WHEEL
MINIMUM
4-2