Radio Shack TRS-80 MICRO - POWER BOARD LOGIC 6;6

POWER
BOARD
LOGIC
6/6
HAM
DRIVE
SEL&
HAM
2
SERVO
HOLD
a
z
00
O
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r
o
O
+
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o
o
o
o
O
O
o
15
GND
14 +
15VL
13
-15VL
12 SP
LED
@
11
"
"
^__
10
SP
LED0
g
^~—
-
-___
8
SPFB3
7
SP
FB2
6
SPB
5
SPA
4
—
—
-
—
___
3 SPEC
2 SPE8
1
SP
EA
<
<
«r
<
<
Z
r
I <
r X
o
o o o o
o
o o
oo
o
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o
s 5
5
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15
GND
14
+15VL
13
-15VL
12
SELLED
11
10
SEL LED©
9
8
SEL
FB3
7 SELFB2
6
SELB
5 SEL A
4
___
3 sel
c
2
telb
1 Ml
a
A
^o
=
E
15
HAM
1
14 HAM
2
13 SELM2
12 SELM2
11 SELM1
10
SEL Ml
9
RFM4
8
RF M3
7
RF Ml
6
RF
M2
5
GND
4
LIFTMG
3
L
SHIFT
MG
2
H SHIFT
MG
1
+15VH
3
SP
LC
2
+5V
1
SP
HOME
10
+5V
9
+15VL
8
-15VL
7 GND
6
sTft"
5 SPA
4 SP B
3
SELPT
2
SEL A
1
SELB
4
LF
M2
3
LF
M1
2
LFM3
1
LF
M4
10
GND
9
+15VL
8
+
15VL
7
-__
6
'
-____
5
SP LED
4 SPLED0
3
SP
EC
2
SPE8
1
SP
EA
10
GND
9
+15VL
8
-15V L
7 RIB
END
6
$«lh
5
SEL
LED
4 SEL LED
3
selc
2
»lb
1
sel
a
;S
O
|
37