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RX
OSC
L30
I
R30l
r------1
Y30
1
680 I
I
X30t
R159
47K
=-
R309
3.3K
CHANNEL
COI{IlON
SY
I
TCH
0154
^
P30
1
RX
OSC
OUTPUT
L156
'I
Ou
g-5V
LB13 LO72
D
IAGRAM
IOC
BOARD
A
,,,,
L302
8.5V
RX
lOu
+
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I
1
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i
a'41 q<
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c30
r
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80p
c30B
+"'
BUFFER
0302
t.9v
-
BUFFER
0153
*
c307
I
r.sr
R31
1
9304
I 80P
R3
270
Rt61
TX
c152
1
80p
L't
51
R167
100
L I JJ
1u
cl60
HL9
I 8Op
HLIO
cl63
6
8Op
Dr52
LI53
1
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R170
6.8K
69
3K
R1
3-
DA
I
cl65
47
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ct
67
lOn
R1s7
[----lYrsl
270 lJxtsl
ct
62
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Pt51
TX
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O{JTPUT
68
PRESENT
IN
HB.
PRESENT
IN
UHF.
c156
68p
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Rl62
-=
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c
158
ln
A
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A
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TX,
FREOUENC
Y
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cl53
a
lSOe
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IDTREI
LI52
A
A-
c155
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270 /'\
1
5
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cl59 /\
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n ,/l\
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RX
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TX
PA
SUPPLY
TO
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NOTES
t
fi
ron
oNE FREo
rx
(6pl
,2.s,6)
or.ilT
cr5J,
u
c155,
C157,
Ct58, Ct59, C168, 0r5tr, Lr52,
L154, 0152, 8154, Rt56, Rl59, Rr60, Rl6?,
R164,
Rt66, R172, 5151, Xr5?,
Y152-
890
ADD
DA JUilPER
HL9
TO
HLIO.
FOR
CHANNEL GUARD
OPERATION
(6P2,I,6,8)
DELETE
OA
JUI.iPER
HLs
TO
HL6.
3.9K
r.sK
680
J.3K
39
R902
1K
J903
FLTRDI
I
,ta"tl
l
n
n\FoR
I.GNITIoN
syITcH coNTRoL, REroyE
JUHpEF
HLI
TO HL2.
TO
ANTENNA
RELAY
/+\ron
exrgRNAL
speAKER
oprIoN,
REnovE
JUrlpER
HLf,
TO
HL4
TO
DISABLE THE INTERI{A'-
SPS.AKER.
n
/5\
COI1PONENT VALUES
I
HB(GPI-4)
UHF(6P5-8)
Rt
r6
Rt
t7
Rl71
HL5
HL6
/.\.trtA
AND
LrszA
.
LI5TB
AND
LI32B
//
R
903
270
S
CHEMAT IC
D900589,
Sh.1, Rev.2)
t-
R3o3 ---.
6.
e:8i3.,rnH
R304
8-2K
c303
I
L
e8p
I
ntos
270
--Cl6r
c30
9
c3l
0
47
Oe
CY
66
7u
----ce03
*-
ceoz
I.'o"
l
'0"
TO
RX
Issue I
25
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