Tft 923 Am Modulation Monitor
User Manual: tft 923 am modulation monitor
Open the PDF directly: View PDF 
.
Page Count: 71
REV
DESCRIPTION
DR
DATE
APPD
4-27-93
A
RELEASE M PROD
K.
K.
UPDATE CADLE ROUTING
7-13-93
K. K.
iyi-
r
-
0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
i2
L
II
J
41
IP
11111111111
11111
J13
J12
I
bt
4_
J11
J9
J20
J14r
0 PART OF ITEM 2
00
J10
(2)(4)
GD
O
D
-
MODULATION/LEFT
+MODULATION/TEST/RIGHT
+
:4
PEAK MODULATION
N.
l'
El)
--
:
x
.101X
LDV
SET
IIDDI
PRESELECTOR FREQUENCY
7 ...r. 7
'If
INPUT
Llva
tmiT
0
e
.
e
l
___,„.
,/-
e
r
FUNCTION
i
r
---
MODULATION METER n
LEFT
STUMM
0.3X
LX
3%
MX
30X
LODX
RIGHT
0
METER
CAL
INPUT KM
-SO
-40
-30
-1.0
AO
w
HEM
0
® 0 0 0 0 0 0 0 0 0
(-
-)
YFT.
0
MODEL 913 AM MONITOR (10"
----
__-,-
FIG. 6-1
20
1
4750-0912
MAIN BD J10 TO RIGHT METER
19
4750-0914
MAIN BD J13 TO RIGHT MTR LIGHTS
18
4750-0915
MAIN BD J17 TO HNC'S (RP)
17
OPT
4750-0918
PRESELECTOR BD J4 TO OVERLOAD LED
16
OPT
4750-0919
MAIN BD J14 TO PRESELECTOR BD J2
15
4750-0913
MAIN BD J12 TI LEFT METER LIGHTS
14
13
12
2140-0005
TY-WRAP
11
3
2140-0006
MOUNTING TAB, NYLON
10
17
2106-0002
6-32 x 1/4 LG PH SCREW
9
3
2106-0016
6-32 x 1/2 LG OVAL HD SCR BLK
4
2110-0011
10-32 x 5/8 LG PH SCREW
7
2
2160-0012
3 1/2 MTR CTR HANDLE
6
REF
5102-3882
POWER XMFR ASSY
5
4750-0911
MAIN BD J9 TO LEFT METER
4
6608-3946
MAIN PCB ASSY
3
OPT
6608-3945
PRESELECTOR PCB ASSY
2
5102-3881
CHASSIS ASSY
1
5102-3880
FRONT PANEL ASSY
(ITEM
42tiTY
PART NO.
DESCRIPTION
(3)
3010 DAIOGAI VILLAGE
SANTA CLAN,
CA.
00
C4411137/7 -7070 MU 1041-1011-0004
—
711NIKkir
K. K.
4/2
7
/
9
3
AM MONITOR
MODEL ASSY
923
3116-09E3
01016..1<,,
5".4
MODEL
«Tv
IA
!D
T
I
T
wit /411
!)TOP
'III
/917
NEXT ASSY
APPLICATION
ICIAS 1114
I
1 sow
I
II
REVISIONS
(1)
CD
CD
-
MODULATION/LEFT
1
i+MODULATMNITEST/RIGHT
C)
CD
N
7
+
2
PEAK MODULATION
\
/
(13
1
---------
--
N
:x
el
e e
NOI
e
--------,
ED
----..........,„
PRESELECTOR FREQUENCY
PPM
uvn
/
\
tuT
e
e.)
®
N
.,
r
FUNCTION-
1
r
--
MODULATION METER —
1
LEFT
37131131
LX
IS
3X
SOX
30X
10031
IMF
ED
NEM
CM.
INPLft 1011
-010
-40
-30
-IS
-le
Si
NE
e 0 .0 0 0 0 0 0 0 0
c
*
m
e
a)
e
es
c'TFT.
0
MODEL 923 AM MONITOR 0
REVISIONS
REV
DESCRIPTION
DR DATE APPD
A
RELEASE TO PROD
I-25-93
13
FIG. 6-2
237D- 0/7 f
4
2
///-0003
m
-
"vog
x
-
7
6
.9750 - /0
if 730- Of/6
.5
-
, 0 2- 3 f8213
ae
,
-
7 2
TO /...v",7
-
Le"eerL
...977e"//
/f-I
rNGO 7/1 To /,/,‘
,
6
,
7" c'eri/t
-
L CE2S
2 ...
42
0.0 ....."'e/s",4/44.4
,
/erjor
-
z.
_r_r
09/7
3
2-
/400
- 7
o
/leo
-
1
2
03
2 a0r, - /a 5 0
""e 7#,.2
"
704
:
74
/Z-
477
/e.
4
4/.
7
?"'-g
-
/
1
2'
,
e
-
V
-4
/
7
-
••
,
E7er,e -
7ro ."/„..."
f~O
n,
7_
ITEM
GINTY
PART NO.
DVSCRIPTION
IKIDEL
923
APPLICATION
NEXT ASSY
5102-302I
<7#1
MW
/.1
V M'
p
3031
.
01
,
40tAll
c
,
21.11.01
8
u
nMA
wiw
—
U
—
641013707-73711
TVX
100-3310-000i
AM MONITOR
FRONT
PANEL ASSY
.224
5
,m
102-3
,
813:
=AM
SPECIFICATX301 UM=
OIMERVISE SPECIFIED
DECIAL.
2 PLACE
3 PLACE
AMQ.ILAR.
APPINAILI
10000
mem
77
.
/
..-
REVISIONS
REV
DESCRIPTION
DR
DATE
APPD
4-R7-93
RELEASE TO PROD
A
IL K.
/1 r
0O
@
@
FIG. 6-3
,t3
/
/9oa- o6,5"
.
,.
4.
,
se
,
,7z. .4
5
B
7
a
/7A9---22,,,
6:-.V.0
t ,.." a .-',Nic
/
542z-3992-
..764--Ae.6.- x-ci,..
-
„e
„Is r y
S
2.-
2 2_,.,"-
..
,
•••%f)
e'..1.4-1
-
4/6q1e.0 .-e--...
,-
eff.
,
./C
3/-/0
¢
/
/9/0-0006
Curt-carte
/-7
,
e7e
-
--
-
1_
3
z
2,,
,
,
-
coo
0
6-
32
..re
-
.... ,../c...,
-
2
2
2,a6-
60
0
5
6-32.- - 7
2
, e 4"
...'",,/ Sc...z,6
-
",...
,
/
/
2 oo/ - 3 / / 9
6
--
N-1.S_r,
,
,s
-
ITEM
ONTY
PART NO.
DESCRIPTION
MITA CUM 110.
WWI SWIM
VILLMI
IlLs4awri1-711
111*-11,11-1•14
AM MIMI TrIR
CHASSIS ASSY
_
nI0ii ;MIMI
my
iii
lieu Ati~
lbw
ir
K.
"r7,
51110-30•0
NEXT ASO
APPLICATION
r v—T---v
1
®
I
t
v
--
-
-
-
-
-v
11
n n
v----ii,r---
1
e
i
Th
n
kt_u
LI _L L_
L1
_J 1_
11
,
.•_
+
b2V
LED
DRIVER
HI
OVER LOAD
fe INDICATOR
SET
DRIVER
LOAD
-212.48
DETECTOR RP FP
LED
LOW
2nd
MIXER
1 et
MIXER
RF /N PUT
TO 1.999 MHz
1 Vrms
455 kHz
IF OUTPUT
F. P.
45 5 kHz
2nd
IF
CONT
VOL
AOC
DETECTOR
AND AMP
4.096MHz
2nd
LO
LED
DRIVER
3
KIDD
PEAK
FLASHER
N
COUNTER
1
RIVER
IC)
F. P
+5V
0
+1255
PEAK
MOO
+
PEAK
MOO
-
PEAK
MOD
LED
DRIVER
CARRIER
POWER
ALARM
R
LOSS OF 110OULATION
A
P
/4
0
4oR
CARRIER
ALARM
SERIAL TO
PARALLEL
& D/A
6192
LOSS OF
MODULATION
ALARM
-4- 2
CARRIER
LEVEL
DETECTOR
+DEMO
AUDIO
0
0-- PAW
PEAK
(0
.---
COMPIRATOR
-DEMO
ll
Al DI 0
4
PUSH-WHEEL SWITCH
(FOR PULSE WIDTH DURATION)
I I I
/
9
PUSH-WHEEL SWITCH
F. P.
(FOR 5 PEAK MODULATION)
2
4.5511414z
1 at
LO
41.
IF
0
5.051
6. 551MHz
PUSH-WHEEL.
SWITCHES
F. P.
.500 TO 1.999 MHz
8.192
MHz
OSC
+12V
+5V
-12V
3
UNREGULATED
DC INPUT
FROM
MAIN BOARD
2Vdc FOR
1 Vrms RF
IN
UNBALANCED
0 AUDIO
14Vp-p (5 Vrms)
OUTPUT
5 Kn
LOAD
750*
DE -EMPH
RF INPUT
HIGH LEVEL
UNBAL
TO
BAL.
UNEAR PHASE
LOW PASS
FILTER
AM
DETECTOR
-
0
1 Vdc
Vp-p
0.5Vdc
+ DEMO AUDIO TO
P1400 PEAK COMPARATOR
vp-p
CAL
SINGAL
GEN
-0 BALANCE
_ AUDIO
0 OUTPUT
2.2Vp-p (.775 Vrzne)
0 soon
LOAD
1 Vnroz TO 51,/rws
.5 TO 40 MHz
FROM
REAR PANEL
AUDIO
ATTENUATOR
(VOL CONT)
LEVEL
COMPARATOR
AND
AGC AMP
ZONE
REV.
A
REVISIONS
DESCRIPTION
RELEASE TO PRODUCTION
DATE
4/30/93
+5V
0
OPTION t PRESELECTOR BOARD
6606-3945
DC
AMP
AND
LPF
F. P .
LEVEL
ADJ
V
as
.500 Vdc
SIu
0 IN
RIGHT CH 0
FROM R. P.
ME
T
ER ATTEN/AMP
- DEMO AUDIO TO
P1400 PEAK COMPARATOR
METER
AMP
AND
DETECTOR
4.- TO REMOTE METER
+ MOO/TEST/RIGHT
F. P.
AC INPUT 0
I
1 5/23ov
50 OR 60 Hz 0
o +5V
o +12v
o
-12V
1
vp-,
INVERTING
AMP
STEREO IN
LEFT CH
FROM R. P.
POWER
SUPPLY
/3
METER AMP
AND
DETECTOR
TO REMOTE METER
- MOD/LEFT
UNREGULAT E D
DC
TO PRESELECTOR BD
FIG. 6-4
APPEOILE
IZZ7rp1=1
Li
cly
O
IH
C
3090
OAK
MEAD ViklAa
DR.
SANTA CLARA, CA. 95051
(406)727-7272 TWX 910-338-0584
923
MEN
JUDY UU
NOW
-eft"
4(30/93
00//f
`0
SUL
C
AM
SYSTEM
/ICU NO.
MONITOR
BLOCK DIAGRAM
DM NO.
6600-2764
MODEL
NO ASSY
LIR
APPLICATION
9
,
(
-
77
SCAN NOW
1 OF 1
.1
1
rL _f
1
8
A
a 0
I'
,
r r
11
1
i~
i
l
e
I
Nail
g
;g
ai41
a
- 2
so
.1
4-11-
PH
-
;NI
a g
4
-
V3
a
;
Is
i a
.3 s
IF
-
11"
r
:g
ail
q8
4
6
N
ig
7
62
al
12
.41
1
4
7.•
04 41*
1
1
i
I
r
1
0
4.3
to
t-
6
2
,11
I
eq
.-
T
-
21
-Vil
r 1_
-a
°i
T
9
4-
4
ilg
f
i
t
2
P
it
4
u
q
©n
om
5
4
a
I
I
41
11_
at,
I
aF
a8
agg
0
(0
O
O
O
z
4
4
--••••
NI,
2K
•
T
•
404
34
RI SS
0125
01
P10722A
014
•
U43311
t•
[
2.28
V
[
81/PIN
LEM.
INDICATOR
J19
1177
0131
113,
Lx
74L100
1123
2.24
PI0222A
GO
1741
M
M
H
>
043
1.191
RAW I
.111111 >
ANS
-410111
KOS
011
10011 MOD
PI42222A
+0V0-4-(
41-4
R110
F1413NT PANEL
MCIJIN
J20
o1/
14422111.4
PEAK
1100
IND.C.ATORS
(J
4 30/93
30/,
3
;
SCHEMATIC
AM MONITOR MAIN BOARD
Dwo
rev,
6601-3946
A
DRUM
JUDY L.111
osiom
923
6608-3946 DIM
NEXT ASSY
SIZE Mai No.
C
REVISIONS
ZONE REV.
DE3CRWT10.4
DATE
APPROVED
A
RELEASE TO PRODUCTION
4/30/93
INDICATOR
ADJ
I 999
la917
N.30114
AAA W NMI
'LOW'
441
INDICATOR
1112
ADJ
tie
111138
01
PI42222A
ROME NAIL
RI 40
2K
•
t-
4
Pox S
r
i~
1
tal
1143
2.2K
9441
11411
1K
•
474
CPRPI
Z1
It
1 CR
/111800
•
RI
0144
tt
1
S.K
10
11
,1
0
47
_ o
r
,
10111 EAK
R
ir
j
oy
R171
,7.1K
•
14
'
CMS
I
11;11
4 Ur34.3 HMI°.
3.1K
0123
10
SS
1.
025
111
0.1
TO 1.SKIM
,82
PEAK
MODULADON
•
(5:7M
AIX 1 )
19
043 X
•
lea
X
1
741
X PEAK
1
MOD
HUMORED X
I
$1
I
I
•
MOOR PANEL MOLAR
TARE 1
01* MOD
DUPMTION
}I7-I
11118-1
MIS-11
11112-4
MCI
NOT MOLT
ORM
OPOI
0.01
ORR
N/A
S. led
ON
OPEN
CM
Oral
1
0.11•01
Mel
ON
OPS1
OPEN
1.0•11
OPEN
ON
OPEN
om
ID
1.504
ORM
011
01
ON
II
j1_
4
7
,,, AT 1.01- I I
502
10
0
1.
4111[
OW/
CM
T
5-
•
*
►
n
CH 1
4126%
44011
+58
C/O
+IN
I
0117
1133
371
As vcc
91
.
!
1K/10T
Al
0
.16
A.
MCI
S
ir
Al COKrr
13
AR
CND
A3
5
A2
1O
At va
-
Tam
-
CO4
T-
4
-
1)
3
1$
Alt
11
,
•
4
, in
OAP&
I 4"
74NOIIIII
0
-1 IV
•
I
I
1158
sic
R15111
PR SO
;51(
Yaw/
ADJ
e
,„
•
8141
3.21
+J4
Rl
u
10
r
peo
t R141
2.2K
•
1113311
qr
.44
•
1154
2.2K
•
MIS
U4128
t.
-ar
1113
5.4IK
Owl
1 KC FOR SD X 100
2 MX KIM 100 X 1017
2.11 MX KM 12311 brO
VADC KIR MO X MOS
REMIK
0154 1251 LID
ROME
44•00
lID
MACRE
-MOD LED
•
10 JI1-1
10 J8-2
/0 411-3
( *err 1 )
FIG. 6-5
/=/
3090
OAKMEAD
VILLAGE DR.
g
CI
SANTA CLARA. C.A. 95051
L
N
C (408)727-7272 1WX 910-338-0564
099.19919
Das
APPt_ICAT1ON
V‘7f_s
WAX
NONE i
*MT
2 OF
Ell Eli III
IMO INN MIN MN NM INN II= 1E111 Ell
\
0
m
Ia
A
2
0
J_
7'
-I R152
I-
v,
-r H
R147
I-
-
r
R88
F H
R87
I
- -
I
R86
I
-
-
I R85
1
-
-I 884
I-
-fRio7
F
R1a}-
-
r
R 46I
-
-
r
(oJ
-I
R2
F
R3
479 I
-
R$1
-1
R36
F
-i R25
F
2,
C
C1
8151
e
G9]
Gs]
C
4.
R82
F
R172
I-
-1
R142
-
_L_L
8143}-
2,
C.7n
oe
0 o
cf,
R83
F
8130
C2
-
r
2,
att
H
R106 I-
{
R5
F
-f
R6
1
-
(--) 132e-
-
0
01
i0
co
I
—4
81 71
O
Z
Ici
I
I C3 I
2,
0)
-
1
-
C19
-f
839
I-
C
I
[L
r
i
{R121
F
-1
R174
I-
r-
1
h
r
(-)
4.
R40
F
-4
R41 I
-
H
R42
F
co
co
-L.
1
-
2,
CO 4.
r C4 I
R93
I-
C
of
CD .4
E
C
to
<
*
C
Ca!
-
r
0
0
I C25 I
A CO 4.
rs) o
-{
R90
I-
I
050
I
CM
I C90 I
L -L
Cb
-
r
-
r
8117
I-
c)
IC5I
I C17
„q,
1
2,
c
";
40
-
r
-4 R168
8167
8
_L J_ _L
ao a,
PP
co co
co
2,
'7"
R45
F
0)
-I
R44
F
8103
8170
61
-
O
N
C-
_L 4. C30 C29
0)
•
-
r
<0
C31
0
)
R13
F
-4
R11
F
814
I- V, -I
R12
F
C85 I
8
<
-I R101
F
C
54
©
t> NLJ
C
ICI
I
-I R15
F
I c89 I
2,
-
r
07
-
I R17
F
-1
R50 1-
;
-
I
R51
F ``)
L
-L
0
8
O
C>
0
(33
R163
F
H
R162
F
—
I
—
T2
_L
0
to
H,
R21
F
tin
-
r
1,3
0
0 <
-I
8166
F
-
r
-{
R26
F
-{ 853
F
H
R54 I-
-I R55
F
H
8165
F
-I
R71
F
-IR164
F
I)
+ 1
C
j
O
-I
872
1_
{8133
)-
R130
I- _.
r
..
c°
0
C
•
OI
(-)
10
nP
R64 I-
T
"T"
R 1 35
F
[2)
-1
1 IA
ro
s,
tc1..30
R30
-{
R137
c-
iv
Act
t..tt
"T"
§ §
rn
Vl
m
-L
C15
R35
I-
0
0
0
=t
,
4
,
I
R32 1-
2,
-{
R68 I-
-I
R67
F
_L
0
%et
C
1
2,
if3
o
a
oD
1
-
r
I
0
c-
L
>*
i
5' E3."
-
4
22 AW G
CUSTOMER BUILT
TUNE C. SO T 4-k AT ANTENNA
RESONATE: AT DESIRED FREQ.
I
C.0
00 K4-1
z_
p F
4-0
Cx
CoOn p
TO 50.n. LOAD
2
I/2 TU
RN5
1/ 2 TURN
4
USED ON
5
1
REVISIONS
NEXT ASSY
Sei-
SYM
DESCRIPTION
DATE
AUTH
CHK
DR
2.1171
,
,
LJ
I'LI.
2
1
CUSTOMER BUILT
ANTENNA SL)C.
-
qESTE
PER DRAM
N C AT
RIG I-1T
1/2' THREADED
UNION
OR
''U' CLAMP
50_11_ COAX CABLE
tsOU NT I N SURFACE
FtG.A2-I
PART NO.
DESCRIPTION
ITEM
NO.
REF.
DES.
UST OF MATERIALS
QTY PER ASSY
MODEL 764/ 765
REAR
PAN
EL
REMOVE ALL
BURRS AND SHARP EDGES
TOLERANCES UNLESS
OTHERWISE SPECIFIED
.XX ±
ANGULAR
.xxx±
DO NOT SCALE THIS PRINT
DRAWN BY
CHK. BY
PROJ. Elgy
GlA
J
MFG. ENG.
KO NO.
DATE
Li
4-16
TETT PtElRT
E
Y
TECHNOLO
GY
C
/ Y177
3000 Olcott St., Santa Clara, California 95050
(408) 246-6365
TITLE
SUGGESTED
ANTENNA
SET-UP 754/
75
5
DRAWING NO.
Gcooc>-0.c)07
1
/.41
7
SCALE
N/A
SIZE
B
1 SHT. I OF
C
REV
.
REVISIONS
ZONE
REV.
DESCRIPTION
DATE
APPROVED
4/28/93
RELEASE TO PRODUCTION
A
MERLON)
1.401CATOR3
•
1710341 PAM&
WW1
RI
LIVIEL
03
( 12 -00
2 MHZ LOWPASS FILTER
4.551
MHZ IF
2ND MIXER
4004055 2.4 V
541
REM
.
10
CR2
I
"
J .80
R.P.)
/
-4417
104
•
C*I
GnEE,
FOR
0.1
M
01
177
1
47
▪
0
J1
4100 -
I ..Al
10
- 12 .10
ROO
012
' 470
34422214
ANT !PUT
(P1REINELEC111t)
0.3 10 1.050 1044
0.1 t• 12
14614•5
20 04103
11
1100114
14/1
C1
-C3
C4
03
c
7
1
1~
I
330RF
1
0100
1
27000
i
20.-
roor
Cb
.01
1.55
\OXEN
7P1
0
•
14.
•••••
•••••
0
0
we. Am
owl
-OW
MO
!PA
511.-1
3
R43
-120
•
10
1
`17
'',1?
401122
ras
‘3.10
.103
;4.7K
z,
4
r
4 02.
. 0427
30•13L2K
•••
174
0
R710
MON
41Z.
i
d,
101
210
541
'1511171
C21
C111
4.1
7;7
.01
L12
I
0.'
51
0141
t
10K
11114.00
1,7
I
C11
10
I MO
C12
I
2.2
eta( TO.1
521
130
R14
C37
Tro
-1W
(
w ort)
R111.03
310
,-.01
_ci.
200
022
AT
4.000140
C24
104 •
1
1
--
4•
4V
1K
/VI cv
•
01X1
0410_,,, 019
3.011
110
1
130.9
13
KOK ..OL
10J
412.
I-
I
1
'
22
C1.
01
71e14
047.
10
- .047
172
V
IV FOR .0555
RI
IN
Krim
/11,
FOR 1.1141 1.55 K 04
*
1111•314
•
POICIRLIZTOR 13W
IN.. a 00 410
Az
4.013010CE
CD
1004
ROO
3.551
I.11.
▪
.22
1,
(33
NEAR
po440.)
3110
as it
onto=
MVO= 01M1010
C33
i 210E
1.00134
I
C17
Fill
7
150 I
100pI
00
2101411
0.1
010
SUMS
•
1111111164
143
2.754
5114
220
-1W
4:22)
54000455
as
000
♦
No -6- ma
••••
10
M.
1K
(7 1.144
"Ce
014
0.11/204/4
÷
-1
34
,
•
•
1
••••/•
•••••
r/o
1101 MIS
-1
"3
R74
22K
no
_
Cu so•
-
Imo
:1111
Ter. Wola
cAl7
01
T-
)/3
•
▪
•
.
,
r
1
-
,
.•
-
- _
140115 I MUCK 01110155150
scoria'.
1.
ALL 5!31131011 541.15 ME 51 OKA 403
2.
All
C171531OR 104.113
IME
04 141010FAIV6L
1. ALL INOLICION 4541.11
ARE M MICIRC4413111CL
= • DC VOLTAM
C=3.
IC
KILDA(
lr
ta71. '
1
1
;
IA
4
/
.r.oc
(UiVIKOULAIRD
1
.
7
12
/ALMS
MS
•
1 OMB
(u•KRAKE*
27114
•
•
741.311111
\ 0
11
•11•4••1
'CD
74LS1•
FIG. A6-1
47
1
C:=7
3090
OAK
IA EAD VILLAGE DR.
Z7
U
1=7
JOI
N C
(4.0:727-7272 TWX
CLARA, CA.
9910-1338-05M
ARVIICANLI
DRAM
4/28/93
JUDY UU
SCHEMATIC
0.5-2.0MHz PRESELECTOR BD
6608
-
3945
923
1.400a
- •
4
etJ,4
1
SIZE
C
MCI. NO.
FROM 140.
REV.
6601-3945
NEXT ASSY
5/
4
/
93
AP PUC.AT1ON
SCALE NONE
SHEET
1 OF 1
W3
C 1 2 4 8
100kHz
W2
Cl 2 4 8
10kHz
WI
C 1 2 4 8
I kHz
r
4
C I 2 3 4
1MHz
•
14
8
7
1
U12
1
7
U13
15
20
6
>U7
cc
0,
8
C62 I
+12V
C78 I
co
I P5
TP6
LT
1
14
RN2
C87
8
7
5
U10
14
1
10
RN1
10
5
8
-I R74 I
- -
1 R771
-
14
- U6 <
-
I
R73 F
-
F
8
J2
R 3 1
-
<IQ>
I cis
I
7
L3
C22
C42
R96
H R40 I
-
H
-
R191-
C57
14
0
0
1
10
TP20
PHASE
VOLT
-run-
CI
TP3 0
U
-I R24 F
0
p)14
8
>1J5
0)
C27
-1 La I-
11
FL1
2
1
0
1
"
-12V
-1 R45 F
xc
0.5 - 2.0MHz
PRESELECTOR 80
1600-3945 REV.A
6608-3945 REV.
MADE IN U. S.A.
C131:n
14
I C46
CC
8
U4
—
r
—
0
0
1
TP8
-
ED3
-
CR5
—
r
—
L257_1
—
-1
-
17371-
C30
cv
0
C34
0
L5
0
L4
0
L6
C.3 I
co
ov
0
-
11175 F
OS
+1A C31
I
r
--
1
C37
[d
as
f C
39
I
C85
4
3
8
A
R50 j-
j
_
.
IC471
(31
r
ANT INPUT
J1
LOW
HI
SW1
OVER LOAD
1
0
C54
PRESELECTOR
OUTPUT
REVISIONS
OESCRIPIION
CAVE
APPICIVID
A
RELEADE TO PROOUCDON
4/281113
7
-
1
C.)
—1_11811_1-
-FIR- Ls_z_lid
R85
1-
-1_ R81 F
CR1
.
-1_
...,
1 R82
F
R80 I-
-
1 R86 F
U1
-
1
R87 I-
R48 I
-
-
1=1
-
6
-
16 CR7 CR8
L,;1
-I pan
TP 1 0
TP4
0
Z1
1
L2
C6
I C21
U
EECI
-FRM-
f R83 F (6Th
i
C33
-
{811J
-
SILXSCREEN 3 OF 4
•
FIG. A6-2
=Ft=
3020 0.61011EAD 'AIME OR.
ANC
(408027-7272 TO 210-331-0524
SANTA CIMO. CA
. 25051
JUDY UU
4
/
25/23
mom
737
4
y
4
/
4
/73
4.
7
IM
CI
E n".
923
7100 -4250
MCCC.
NEXT ASV
APPIICMION
a
PCB ASSY
0.5-2.0MHz PRESELECTOR BD
.
"'„4"
2
_Aal 9 icAll
2:1
OWL
6608-3945
,-T 1
01 1
