Panasonic RF-B600

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
,
il
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 .$Q that the tunrng meter
indIOates. more than "$".
.
,. . ....