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RF·B6001'
RF·B600/
r
MEASUREMENTS AND ADJUSTMENTS
• ALlGNMENT INSTRUCTION
,
CONTROL SeITING &. PREPARATION
NowlI:
1., Set power ,sw/ton toON.
2. SetSW ANT
sw[tch
to LOVlIIMP.
S.Set AM RF
ga,ln
control
te DX.
.t
Get vo 1 Ulm! co.n trQl to MAX.
S.Set
baii and
tfebleeontrol
ta "j}'\
6.
Set
AM ANL,switchto OFF.
7. Set
band
wtdth
$WUootoWlDE.
8.
Set
îndIe:alorswitch to
llJNINGISlGNAL.
,
,
,
,
'9.
rSetdIspla{swlfCh
toON.
10.:Set lunin,o, loek
iwltehW
OFF.,
H.
Set
SW zooe aulo tuning lIelector to MANUAL.
12. ' MelTlQ(lzè the followl'l1g tmquenc:y.
Ch1 ••..• J5.000Mm
,CM .. " .. 550 kHz
Oh2 ........ 1 MkHz
Ch7.. •..• 15,OOkHz
Cfl3 ...... 420kHz
C,hS .. , .... 9MMHz
Ch4 ...... 155kHz
C119 ...... 10MMHz
C.h5 ...... 400kHz
EQUIPMêNT REQUIREO
1.,
l'''l'equency eounter.
2. Oscll!oscQpe (DUal dimlimsronJ.
3.
l'JFVQltme!\ilir.
,
4.
oc
digital voltmeiet'.
5.
Ampere meter,
$.
S'tgnalgenerator.
,
. ,
.....
. .
• TUNING BLGCK ALiG NMENT
Note: Whoo il'lseÎ'tlng the
dl.oeles (0601 ,
6O.2lof
TrarlSistors
(Q6t}1, 002),refèTtO}ig.
25-1.
OSctLLOSCOPE
f-----,.C-H-1
-"-'~C-H-2-, --f
ADJUStMENT
REMARKS
'".
"',
,
' , " "
' .
'. (1.)
set
O$Cillo$cOpe to CH2.
. •. '
. . {2j!npllt
OC
5V and adJUlIt
theOSçi\IQscQPe for5V.
CS24
0$24
(1)
CD, .....
{+}® ......
{+l
06(,11,
Q6Q1
@.@ ... (-} @,@,J-)
(3) rumlhe
tuningshaft and l'èad
tlilEi
hJghest and lowest voltage ..
.. (4)ff' Il'OIta.gécan notbe lIet fothe;foUowlng value, adj\lst the
~a.ee
;
between 0601and Q601.
.'
".
VH.(tlJglleS.t
voltage) ... , ..
More
ttla.A 4.0'1
\IL
~Owesl
voltage,
'Hmle$S
thanO.SV
,
VR601
(3)
• FM IF AND AM IF ALfGNMENT
IFSWEEP SCOPE
When
\lH
can
not
bé
seL.Sno~n
the spaeebétween
O6Of
and
($01.
Wnoo VLoan not beset: .. Len.Qtnoo
the
sJ1ace betwe.en
O6O,~d
Q6()1.
(t)SatoseiItOllOQPe to CH1.
{2} [nput OC, 5V and adJuitthe oscllloscope f<lr5V.
(Si
Turn
the
tun1ngshaft and adiua! for highestvoltage.
(4)
Adjust VR601 fllt .UV
readlng
on oscillOS{;()l:re.
m
Turn,
the
tuningihaft
and
reM the point
where
CHt a,lldCHa are
same
lev~1
{highB$t &, lowest}.
Cl) If voltageoan not be setW thefollowing value, readjust st.ep "1 ".
VH ......
Moré than
s.ev
VL .....
Less than
1.4V
.
BAND
I-----~---r--~--;
ADJUSTMENT
OUTPUT
INPUT
REMARKS
V ..
·l+l
FM
Fas.hion IOQp of
several
tums of
..... / )
wirealld radiale.
,;. ... \
+
MW
signàllntoloop6f
V .. ,(-)
receÎver.
' .
,
FM-IF AI..IGNMENT
T2,$
19
AdiOst
for
màximum 'amplitude.
(l'Jefer to fig.
26).
Adjul:ltfot maximum amplitude.
(Refer to
fig. 27.).
,
AM·/FAUGNMENT
ts, 10'
Adjustfor maximum oulput.
Til
Adjustfof
minImum
output.
NOl.:
Conflrmlhaloenter frequenc:y de not drift tao mueh when band width swJteh.is changed.
• BFO AUGNMENT
.' BAND
FREQUENCVCOONTER ADJUSTMENT
REMARKS
.". ... ( + l
CTS
(1)
Set
AM
mode swltch to USB.
V,.;! -')
. ' . •
(2)
Adjùllt
CTS
for
451.5::!;{).SI<Hz reàdlng
on ffl!l(flJeôev counter,
SW
OT9
11}
Set
AM
mode
s'liiten 10
LSe.
.
".'
(.2} Ad;ust crs for 448,5±O·.3km readlrtg
on
frequlimcy eounter.
.
.4.5 MHz, 35.6836MHzOSC, 2nd INFUSE. $WVCO AND t=M VCO ALlGNMENT
DISPLAY
oc DIGITAL
RF
FREOOËNCv
Ë
BAND
SETTING
VOLTMËlËR
VOLTMEfER
COU.NTER
ADJUSTM NT
. . '
'~"',
4.5 MHz OSOtLLATOR A.LIGNMENT
.•
SWS.OOOM:Hz,
Ct301
REMARKS
:
Adjust CT3,01for 4.SOOOMHz±20Hz
readlng
on
frequelicy oounter.
,
"35.'6636 MHz OSCILt::ATOR l..êVELADJUSTMENT
,
'
'.
" "
1
SW
2,OOaMHz
.
.
' .
v,..{+!
V .... (- )
. '
.i
Adlull~TSQ61oa
point
whic,h
}$
o.sete
belOw the value at \NIlloh the peak
value wasshQ.wnonthe RF voltlm!ter.
.
,
.
'
SW
5.P5MHz
SW
5.000MHz
29,9~HZ
SW
16.SMHz
S.oMHZi
,
i
87.5MHz
FM
loaMHz
2ndiNFUSE ALIGNMENT
V ... (
+)
'"
...
(-}
"
... "" . ,,"', "'"
Adjust
T305, 304. 303, 3()7
for
• ""3'v"",,,, ",,7
maximum
readlng
On
RF
Vo,l'tmeter.
35.66S6MHz
OSCJlLATORFRE~ENCY
ALlGNMENT
.... Hl
....... (=)
.
"
........ 1+)
V ... (-}
. . . . (+l
T ..
·(~)
v ...
(+)
CTS0'6
Adjust
cnoo
for 39.550MHz±300Hz
V
H .
(~
)
readlngonfrequenoy <l,ounter.
SW VCO AUGNMENT
CT303
FM \lCO ALlGNMENT
L303
CT302
.
AdjustCT304
fOr
8.OV:t:.().2V reading
onDe digital voltmeter •
Adjust OT3Q3 for 8.2\1,,0.2V rEtading
on OC digital voltmeter.,
AdJus.t
cnoo
for
9.OV±O.2V raadinlil
on DOdfgUai voltmeter.
Adjust L30310r 1.0V:l:.,0.1V reading
on OC dlgltalVQftmfiltef.
Adjust OT302 for 8.0V±o.2V reàding
On DO digItal 1I0Itm&tfilt.
• SW IF IMAGE TRAP ANDGAfN ALlGNMENT
Pi' .
,
.
' .
1
SIGNALGËNERATOR! DlSPLAY
1
BAND,
1
eONNECTION
1
FREQUENCV! SETTlN'G
ADJUStMENT
1
REMARKS
..
,
'
.
SWIF ALlGNM,ENT
•
•
,
SW
1
V ...
(+)
"'1
V .. ,( -)
li05QMHz
!5.050MHZ
(CM)
T'l,8, 11"''14
Adjùst T7, 8,
11"'-14
for
maximum output.
SW IMAGE TRAP ALJGNMENT
. 1
j5.0
50M
ti%
'.
sw
1
,
S.95OMHz
cri'
Adjust
cn
for rnlnimum output.
.'
.
'.
{CHi)
• "Cc
,
. .
SW GAIN AUGNMÈNT
,
SW
1
,
i l
ti.OOOMHz J5.050MHZ
VR2
Ad}Ui1 \lR2
so that flte signal rneler lndiçates"9",
(18dBl
(Chl)
,
".
,
,
.
.
'"
'
.Vép VOLTAGE, LWINIWllf,
FM
RF AND METER AI..IGNMENT
BAND
LW
MW
.
.
F'aihlon tOQP
of
several h.ltns of
\N'Ire anel radrate
LW
signai
into
1001' 01
recfillllér •
.
.
MW
. ...
V ...
(+)
!t· ..
(-t
FM
' . hroug FM
c1ummyanlenoa.
7SQ)
FM
vep
VOLTAGE AI.,.tGNMENT
150kHZ
~ .....
(+)
i
Ua-
(Ch2)
V ... (-)
.
420kHz
CT6
(Ch~l
,
'
..
.
.
62()kHz
L8
,
.
-'
1610kHz
cn
LW/MW RF ALIGNMENT
155kHz
l551!.H%
L1·1
{Ch4)
40.5kttt
405kHz
CT3
(Ch5)
550kHZ
550kHz
L7·2
{Che.
1500kHz
1000kHl
CTS
, .
.
(Ch7')
.
90MHz
90MHiZ
(1ood13)
FM RF ALIGNM·ENT
90 MHZ
(Cha)
106MHiZ
(CIl9)
METER AllGNMI:NT
Lii'
VRl
RE.MARKS
.
AdJ~(
1.,9 Mr1. 1:1:.0.00v readlng
onDe digital vottmetet.
' . AtfillstCT6
foii'±Q.2V
read[ng
on
OCdlgita.lvottme:ter.
Ad}ust
La
tor 1±0.05"
raadlrtg
QI'! DCdlgltal
voltmeter.
.
Ad}ust
en
for
8.l±0 •
.2V
raading
on
OC
digital 'll'oitmeter,
AdjUSl L7·1 for maximum output.
AdJust
en
for maltlmUrn output •
L.
Ad}lIst
CT5for mSl'imum output.
, AdJllil L27formaxirnum
output.
ActjllstCT1
fot maximum
output.
•..
.A'djust
IfFn
.$Q
that the tunrng meter
indIOates. more than
"$".
.
,.
.
....
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