AudioArts Engineering R-55 - Page 102

1 OF 1
16S0025
LS-2600 PCB
6-6-01
LS-55
W# 700679
SA
SA
SA
LS-55 Line Select Module Schematic - Sheet 1 of 1
R-55/Mar 2003
page 11 - 19
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SIZE FSCM NO. DWG. NO. REV
D
SHEETSCALE
DATEAPPROVALS
CONTRACT NO.
DRAWN
ISSUED
CHECKED
New Bern, NC 28562
600 Industrial Drive
LO
HI
LO
HI
LO
HI
LO
HI
LO
HI
LO
HI
LO
HI
LO
HI
LO
HI
SH
LO
HI
LO
HI
SH
LO
HI
LO
HI
LO
HI
SH
SH
SH
SH
SH
SH
SH
SH
SH
SH
SH
SH
VIEWED FROM ABOVE
(COMPONENT SIDE)
TYPICAL 4 POLE
SWITCH PINOUT
Left
DB-25
LINE
4 IN
LINE
3 IN
LINE
2 IN
IN PHASE
NOTE: PHASE SYMBOLS DENOTE SIGNAL POLARITY
OUT OF PHASE
I/O PORTS
I/O PORTS
(Left DB-25)
(Right DB-25)
DB Connector Pinouts
LS-55 Line Selector
To Left DB-25 CONNECTOR Right DB-25 CONNECTOR
LINE 1
LINE 2
LINE 3 LINE 6
LINE 5
LINE 4
LINE
1 IN
LINE
5 IN
LINE
6 IN
LINE
OUT
"LINE 6" LT IN LO
"LINE 6" RT IN SH
"LINE 6" RT IN HI
"LINE 5" LT IN LO
"LINE 5" RT IN SH
"LINE 5" RT IN HI
N/C
"LINE 3" LT IN LO
"LINE 3" RT IN SH
"LINE 3" RT IN HI
"LINE" LT OUT LO
"LINE" RT OUT HI
"LINE" RT OUT SH
N/C
N/C
N/C
N/C
"LINE 1" RT IN HI
"LINE 1" RT IN SH
"LINE 1" LT IN LO
"LINE 2" RT IN HI
"LINE 2" RT IN SH
"LINE 2" LT IN LO
"LINE 4" LT IN LO
"LINE 4" RT IN SH
"LINE 4" RT IN HI
"LINE 5" RT IN LO
"LINE 5" LT IN HI
"LINE 5" LT IN SH
"LINE 6" RT IN LO
"LINE 6" LT IN HI
"LINE 6" LT IN SH
N/C
"LINE 3" RT IN LO
"LINE 3" LT IN HI
"LINE 3" LT IN SH
"LINE 4" RT IN LO
"LINE 4" LT IN HI
"LINE 4" LT IN SH
"LINE 2" LT IN SH
"LINE 2" LT IN HI
"LINE 2" RT IN LO
"LINE 1" LT IN SH
"LINE 1" LT IN HI
"LINE 1" RT IN LO
N/C
N/C
"LINE" LT OUT HI
"LINE" LT OUT SH
"LINE" RT OUT LO
Right
DB-25
Right
DB-25
Left
DB-25