Tandy 1400LT Service Manual page 192

Connector
EXPANSION INTERFACE PORT
CN12
ENABLE
(4. 14)
(2)
(1, 3, 4, 5, 7, 8, 11. 13, 14)
(1, 3. 4, 5. 7 . 8. 11, 14, 16)
(1. 3. 4, 5, 7, 8, 11. 14. 16)
(1. 3 . 4, 5 . 8. 11. 14)
(1. 3, 4 . 5 . 11, 14)
(1, 3, 4, 5, 11, 14)
(1. 3. 4, 5. 11, 14)
(1, 3. 4, 5, 11, 14)
(1. 3 . 4 . 5 . 1 4 . 15)
(1. 3, 4. 5, 14, 15)
(1, 3. 4. 5. 11, 14)
(1. 3, 4 . 5 . 11)
(1, 3. 4, 5, 11)
(1. 3. 4 . 5. 11)
(1, 3, 4, 11)
(1, 3. 4 . 11)
(1, 3. 11, 15)
(1, 3, 11, 14, 15)
(1, 3, 14, 15. 18)
(1, 3. 14. 15)
(1, 4, 5, 11, 14. 15. 16)
(1, 4 . 5 . 11. 14. 15. 16)
(1. 4,
5.
11. 14, 15. 16)
(1, 4, 5. 11, 14. 15. 16)
(1, 4, 5, 11. 14, 15. 16)
(1, 4, 5. 11. 14. 15, 16)
(1, 4 . 5, 11. 14. 16)
(1, 4, 5 . 11. 14. 15. 16)
(3, 18)
(3, 18)
(3)
(3)
(4. 16)
(1)
(2, 12. 14. 15)
(4)
(2)
(2)
( 2 )
(4)
(4. 15)
(1. 3. 4, 14, 16)
(4)
(15)
CD
12
-
RXD
l2
TXD
l2
DTR
l2
GND
DSR
l2
RTS
l2
CTS
l2
R I
12
SERIAL PORT
MEMORY CONNECTOR
CN14
(11. 18)
(11. 1 8 )
(11. 18)
(11, 18)
(11, 18)
(11, 18)
(11, 18)
(11. 18)
(11, 15, 18)
(11, 18)
(11. 18)
(11,
181
(11, 18)
(11, 18)
(11, 18)
(11. 18)
(11, 18)
(3, 18)
(3. 18)
(14, 18)
(14. 18)
(1, 3, 14. 5,
UPPER PCB CONNECTOR
GREEN LED1
RED LED2
RED LED3
RED LED4
RED LED5
+5v
(9, 19)
(15. 19)
(12, 19)
(12. 19)
(12.
19)
MODEM CONNECTOR
CN15
m
MODEM PWC
N.C
AUDIO
GND
+5v
G ND
+5v
GND
+12v
GND
-12v
N.C
N.C
8
10
4 A
17
1 9
20
NO. 17
7-17