Instruction manual

D.' V "ELA Y CLOSED
13.' V "ELA Y OPEN
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'110 C SHU"T
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18'
TO BASE
1
11
or 017 \l
C'2
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5 . . .9 oI_'--.llill..O<DT USEO
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VCC27.29.3' TO 'SV
'SV
lC3'
12'p,-
'AU"
WHEN 5 V IS APPUEO TO TP13, "ELAY SWIT.
CHING RA TEIS REDUCED FROM 200 HZ TO 2 HZ
FOR SERVICING.
R2S
.. lK
R.3
lK
U9
...
lK
P IS i32
ELEMENTS
IN/OUT
1.5:! VS~
12
11
'SV
13
p,,131
AlB
2: I
V~
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RSI
<7K
TPII
:~~~ - lcs< 'sv
1.05
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) J usr-
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10
1.,.5.9
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UlE
<5, AND DE.
-"VICING,
J
0 V WHEN RADIO SELECTS AN A CHANNEL
5 V WHEN RADIO SELECTS A B CHANNEL
i (SEE SHEET 21
2 (SEE SHEET 21
A LOGIC HIGH AT U8-36 TURNS ON usa. WHICH
IN TURN. TURNS OFF USE AND 016 WHEN USE
IS OFF. 017 IS ON TO ENABLE 018-022. 018-022
DRIVE RELAYS FOR OUTPUT CAPACITANCE. A
LOGIC LOW AT U8-36 TURNS OFF U5D. WHICH
IN TURN. TURNS ON 016. 0161S ON TO ENABLE
011.015. 011.015 DRIVE RELAYS FOR INPUT
CAPACITANCE.
R21
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22K
.-
TPI3
,AST I SLO~
TP9
t.S:J
TP10
2: 1
EEPS-3D253-A
(SHT ,OFZ)
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