Midland Syn-Tech 70-342XL Service Manual page 90

CONTROLmCABLE
7 0 - 4 4 2 ~ ~
7 0 - 4 4 2 ~ ~
INTERFACE BOARD SCHEMATIC DIAGRAM
( T R ~ ~ ~ - M O ~ ~ ~ )
CONTROL-CABLE INTERFACE PC BOARD
(TRUNK-MOUNT]
P T T O U T
P T T I N
MIC O U T
J 1
S P
D S P 0
D S P 1
D S P 2
D S P 3
UP
D N
D S P S T H
D S P STL
GND
TX LED
MIC(G)
5 3 0 1
5 3 0 2
P T T
S 3 0 3
MIC
HANG UP
CALL LED
AUX 2
AUX
1
SWCIN)
S W ( 0 U T )
VOL(IN)
V O L ( 0 U T )
VOL(GND1
s a
BUSY LED
SP
SP
SP(G)
SP(G)
GND
SP(G)
COMPONENT-SIDE VlEW
NOTE: PLATING SHOWN I S ON OTHER SlDE
SOLDER-SIDE VlEW
NOTE: COMPONENTS SHOWN ARE ON THE OTHER SlDE
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