DIGITAL BOARD WIRING
S71
(7
PIN Connector)
Digital Board
Pin 1
(brown)
On trace running from U12 pin 14 to Ull pin 14.
Pin 2
(yellow)
Top side of C8 the
.Oluf
Pin 3
(white)
On pin 11 of U13
Pin 4
(blue)
On trace running
from U12 pin 4 to Ull pin 4
Pin 6
(orange)
On trace running
from U12 pin 6 to Ull pin 6
Pin 7
(green)
Bottom of C8 the
.Oluf
TRIGGER-IN JACK BOARD ASSEMBLY
DESIGNATOR
PART NUMBER
DESCRIPTION
Not applicable
980-046071-001
Printed circuit board
P71
910-040299-007
Header CIS 7 pin 0.1
ctrs.
Not applicable
906-045188-016
16 Pin IC socket
J 2
910-045552-003
Jack 1/4" Phone
(RK113B)
U1
991-043521-001
IC4502B CMOS Hex Buffer
Cl, C2, C4
947-045183-103
Capacitor
.01 MFD Ceramic
C3
947-045008-471
Capacitor 470 PFD Ceramic
NEW JACKS
S-trig out
(hot)
White/yellow wire shorten to 9"
from S37 Pin 6
S-trig
in
(hot)
White/violet wire shorten to 9"
from S37 Pin 7
S-trig in
(gnd)
Green
wire from S15 Pin 7
S-trig out
(gnd)
Bare
wire 1.5"
long to S-trig In
(gnd )
To tape
(hot)
Black
wire shorten to 8"
from S37
Pin 3
To tape
(gnd)
Shield wire shorten to 8"
from S37 Pin 4
From tape
(hot)
White/blue wire shorten to 8"
from S37 Pin 5
From tape
(gnd)
Green
wire 2"
long to tape
(gnd)
Remote
(plastic thread)
White/black/red wire shorten to 8"
from S37
(hot)
Pin 1;
add 4.7 ohm resistor,
part number
852-512047-001
in series with this wire and
cover with heat shrink tubing.
Remote
(plastic thread)
White/black/orange wire shorten to 8"
from S37
(gnd)
Pin 7.
Tie wrap where necessary
SYNTHESIZER BOARD MODIFICATIONS
DELETE
R225 IK Ohm 1%
R224
1MEG
PART NUMBER
COMMENTS
R225 909 Ohm 1%
Deletion only
853-429090-031
Adjust R223 to 250 Hz
maximum and update
schematic and test
procedures accordingly
"As required'
Delete this resistor
only
if unable to
adjust R223 to the
250Hz requirement
above.
Need help?
Do you have a question about the Source and is the answer not in the manual?
Questions and answers