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Realistic TM-1001 User manual

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TM-1001
I\M1FM STfrREO TUNHR
Satnlog [U umber : 31 - I 961
CUSTÛM I/ANUFACTUËIÐ F0R RADI0 SHACKEA DMtStoN 0F TANDy CSRpSRAI¡¡N
cÇNTENTS Page
3&4
'w
ii{i,,t:
w
L
1.
2.
3,
4.
5,
6.
7,
8,
g.
10,
11.
i2.
I3.
\4.
D ISASSEMB LY I NSTRUCTIONS
DIAL STRINGING DIAGNAM
ALIGNMENTPROCEDURES ¡t...¡ 7_
ALI.GNMËNT & CHECK POINTS
TROUBLESHOOTING .....i .irr;.i..i,. 11*13
IC EQUIVALENT CIRCUIT ..,. 13
0063TUNEB BOARD
$EMICONÞUCTOR LËAD IDËNTIFICATICIN ¡. ¡ ¡,I ¡ ¡ ' I '; ". 16
HI-ECTR,IüALPAnT$LIST , ,r¡¡¡¡¡.i.¡¡.,,..16*22
MISCE L LANEOUS PARTS LIST .......,23
$CHËMATIç ÞÌAGHAM,,,,.,. ;...,, r 1,
EXFLOÜID VIËW .. , , SEPARATE $HEET
5
6
6
I
@"'
ik¿
v
$PEC IF!CATIONS
\ùÉ'
wr
FM $ECTION
1, TUNING COVERAGE
2, IHF USABLE $ENSITIVITY'.
3. IMAGE REJECTION BATIO (at 106 MHz)
4. AFC HOLDING nANcE (with 1 mV input)
WIDE
NABROW
5, DIAL CALIBRAï|ON ACCURAOY 90 MHz
98 MHz
106 MHz
6. lF BANDWIDTH (6 dB down) WIDE
NARROW
7. nISCRIMINATOR BANDWTDTH (p.eak-ro-peak)
8. OUTPUT VOLTAGE {1 mV input) MONO'50 Kohrn load
9. SIGNAL-TO-NOISË RATIO (1mV input)
,lO ULL LIMITING (_3 dB}
11. CAPTURE RATIOgBMHz (1 mV input)
12. IHF STLETTIVÍTY WIDË
13. OVF NARBOW
V input)
14. rF
15" nl-{z) WIDË
NARROW
kHz
kllz
1S. Mr"JTti\¡Ê THnË$H0LF
17, Ålll frFJfrtïl0N {AM 30%, FM 1007o Mod,}
at 9* Mlrle, 1û0 - 20,000 ¡iV input
T8. ü0 dB üUIËTING SËNSITIVITY at 98 fillf{:
Fi14 MFX $gçTION
't. $TËREû SËP,EftATION 10ü H¿ WIIEINAHROW
{1 mV input} 1 kHz WIDE/NAH ROW
1ü kH¿WlDE/NARRtw
P". STËffiçÐ *ËÅt0fil $ENSÍTIVITY iPitot 7 %)
3, ÐISTORTION 1l<Hz (1 mV input) WIDË
NAnnûw
4. Df-Ë*brFHÅ$l$ 75 ¡*$ec. {at 5ü*15,0il0 H¡}
S. ËSkl-*¿ LË4ffi4 , {1 nr\l input}
S. StA ftfrJËtïltfï RATICI {1 mV inpui}
7. OUTPUT VOLTAGE {i mV jnput}
*t ì kHz,5.* Kchm Load
A1\{ SËtTffin}
1" T{.i}*u{fSË CüVËAÅüË
2. $rN$lTlVITY {for 20 dB S + N/N or 1û % THD}
ñ,adiated, ãt 60û, 100û anct 1400 kHz
Tern'¡i¡rat,"at 6Ð0, 1000 and 1400 kHz
3. ¡h4.å,GË nËJË*TION fiATt,0 {ar 1,40û kHz}
4" OUTPt"lî \1üLTAGE {5 mV/m input} 50 Kohm Load
5. ÐIAL CALIBHÃTION ACCURACY
S00 kHz
I,ÛÛ0
6. AGC FIGUHE OF MER'' T-,lbTI3
(from 100 mV/m at 1,000 kHz)
{
NOMINAL LIM IT UN IT
510*1060
87.5*108.5
1.7
8.8
78
r1 000
r800
400
850
vo'
1.2
1
45
76
0.2
90
0.1
0.2
I
45
38/30
40/35
32,28
7
0.?
0.4
Èl
-55
60
25û
25
40
320
760
45
52A162t
88*108
2.3
,13,5
70
1800
0.4
0,6
4 116
40
6
400
45
35
32013dB
r15
r30
t40
r500
r250
r350
r250
!1 50
ú100
300
85013dB
65
36
65
I
5
1.
2.
0.5
80
28120
32126
25/20
4*16
0,6
1.0
!2
*45
s0
760È3dB
38
kHz
MHz
¡"rv
dBf
dB
dB
dB
dB
¡.rv
%
()|
/o
dß
d8
dB
mV
¡rVlm
¡rV
CJB
mV
kHz
kHz
l<Hz
l<Hz
l<Hz
kHz
kHz
lcHz
mV
dB
¡,rv
dB
clB
dB
o/
/o
dB
o/
/o
Yo
¡.¿V
dB
¡¡V
l<Hz
l<Hz
kHz
dB
a
NOMINAL
32
30
50
0,8
4
10
LIM IT UNIT
7 , SE LECTIV ITY (at 1 ,000 l<Hz, 200 ¡rVlm input)
8. lF REJEÇTION RATIO (at600 kHz)
9, SIGNAL.TO.NOI$E RATIO
{at 1,000|<H2,,100 mV/m input}
10, BAND WIDTH (at 1,000 kHz,5 rnV/m input)
11. THD (at 1,000 kHz,5 mV/m input)
12, AUDIO RËSPONSE atZk9z
(at 1,000 l<H2,5 mV/m input)
13. AM BEAT ht2t\l3l1l 1-50mV/m input
50*100 mV/m input
14, POWËR REOUIR.EMENTS
' "AC 120V,60 Hz, 18W,
25
22
4A
ö-14
2
-6
10
15
dB
dB
dB
t<H¿
o/o
dB
%
o/
/a
" AÇ 220124ôV, 50 llz for Eufopean and Auslralian Models.
NTTË:
W/
V/
Nornip*l $pecs represent the design specs; all units should be able to appr.ox[mate these-some
will ex:eeed and sorne may drop slightly below these specs. Limit Specs represent the absolute
worsl rûndltisn which $tilÌ might be csnsidered acceptable; in no case should a unit perform to
le*s thãn withìn any Lirnil $pec,
4
@
ä
q
q
å,eTü.{* ¡i¡0.
i6{{çÊ }
úr¡r¡ ¡0s€{
w1 9{t[ct9Ê ì M, fð.ÀüÕ, f0{0!01
årÉ 4fiû,rÀ6tc
sv¡ [ÀfiÐ r{¡mt
î4, itr:5r$
Sfr6 rr{xuÍ¡r{ð
$W] úF¡ F¡!T:8
s{2
ES OUT
tÉFT CAAsilEt
rff ouf
à¡GmcHAXil€L
M OUT
ep
r
o
r)
m
A
fl
g
Þ
Õ
Ð
Þ
K
{ûsd
('| luq!ilË
&rô!4i
ilÉr{ã !Ì1,'LIIPÅTH
ráEr:8 5ftâÉ0 rrÐ.
i¡€dl
rlzv
€r¡ ¡lüf¡
¡t33r
t\i
Íú eÈE
$¡ir
f$ 0!(
tÊw
T¡¡IÂS
t¿¡ûI
^úicc
ffiÛl
¡9r¡!
Àü 0$¿
taûr
ÁS ANT,
DISAS$EMBLY IN$TRT,ICTON
lr!et*: Yuníng eapacitor should be in fully closed position
1 . Removing chassis f rom wooden cabinet, ( R efer to F í9. A)
Flemove five screws (#38 & #59) from sides and back.
2. Removing the Front Panel, (Befer to Fig, A)
" a) Pulloff the Tuning and Selector l<nobs.
b) Remove four screws (#26) from top and bottom of Front Panel
DIAL STRINGING ÐIAGRAM
"Ð.6Ð
r: ,
w,
6
ry/
WF AL¡GNMENT PROÇFDURES
Do not âttempt alignment unless the following equipment is available.
1. AM Signal Generator 4. FM Signal Generator 7. Distortion meter
2, Oscilloscope 5, Steleo MoclulaÌor 8. DC Voltmeter
3, AC Voltmeter 6. Audio Generator g, Frequency Counter
l\ote: Remove lirre cord antenrla from FM exlernal antenna terminal when aligning.
AM IF & RF ALIGNMENT
¡Ïct*: Rsmpue Íine cord ün¡eñfia Tr:om Ffu1 Ëxtërn¡l ãnïenna terminal when aligning.
ïUf\,Etl
Ë-*t:p Å*t*t:na
ry
ÔUTPUT
fig- I AfVl ÀLIGNMË*IT çS.I\]1\iECTION
Output-of signal generator shoulcl be no higher than necessary to obtain an output reading.
Signal Generator Modlrlatïon : 30%,
Set SELECTOR switch SW1 to ,AM.
STEP SIGNAL
GENËRATOR
COUPLING
SIONAL
GENERATOR
FREOUENCY
B ECEIVER
DIAL
SETTING INDICATON ADJUSTMENT
B'efer Fig. 4. REMARKS
1ftef*r Fig. 1600 kHz
{400 Hz Mod.} 0.00 kHz AC Voltmeter
To OUTPUT
jack
l*401 (OSC Coil)
1451 (ANT Coil)
T401 {tFT)
Adjust for fiaxi'
nlum reading,
aSarne as Step 1
1400 kHz
{4û0 Hz Mod,) 1400 kHz Same as Step 1
TCl06
tuùu rnmtnen
Tel 05
(ANT Trirnmer) Same as Step 1
3S*me as *tsp 11üüû kl'lz
{400 Hz Mod.) 1000 kHz Same as Step 1VR402 Adjust for 320
mV Audio
output,
"4 $ar-'r* ar Step 'l '1üûü kllz
{4üü ¡-l¿ Þ,{pd.} 1000 kþlz TrJnerfs
TUIVING
Meter VR4O1 Adjust for 707o
reading of full
rcale with input
oT þ m v/m.
ÏUNEfi
FgONT Ef!D
rc'to5, Tcl06
L401
A'v¡ rË
T401
AC
Voltmster SCOPE
ri ãïTiñå Ì t-rH
{F
FM RF AND IF ALIGNMENT
For ,ã.uro¡:*o* r¡llc'deë, Êhe icr¡¡sst frequency cf f M tuning range rhoultl not be below 87.5 MHz,
12Sr? tt12,5S¿)
Zr¿ = Sttì {?Sf¿} 50s¿ i75n) Zout - 3004 {bala¡rcecl}
1 50fì
FM Durrrmy Antenna to 300Q antenna terminal of Tuner:
" Fis.2 FM DUMMY ANTENNA
B
Y.U/
db
Y¿//
Signal generator output should be no higher than necessary to obtain an output reading,
Set Selector switch to FM,
Signal Generator devìation; 75 kHz
NOTE: Be sure to disconnect FM line cord antenna and NARROW B/ïVlDTH & AUTO.M TUNING buttons should be
in the "out" position during alignment,
STEP SIGNAL
GENERATCIB
COUPLING
SIGNAL
GENERATOB
FREOUENCY
TUNER
DIAL
SETTING INDICATOR ADJUSTMENÏ
Refer Fig,4 REMARKS
1
Connect to FM
Antenna Ter:mi-
nal through
FM Dummy
Antenna
{300ç¿) Fis, 2
No Signal (on or about
90 MHz)
DC Voltmeter
connected to
Pin 33 & 34
L202
(Discriminator) Adjust for
0V reading on
DC Voltmeter
zSarne as Step 190 MHz
(400 H¿, Mod,) 90 MHz AC Voltmeter
connected to
OUTFUT jack
LI 04
(FM OSC Coil)
L1 01
(FM ANT coìl)
' L102, L103
(l'M RF Goíl)
Adiust for
maximum
reading on
AC Voltmeter
TC1 04
(FM OSCTrim-
mer)
TCl 01
{FM ANT Trírn-
mer)
TC102, TC103
{FM BF Trim.
mer)
JSanre as S'rep 1106 MH¿
{400 Hz, Mocl.} 106 MHz Same as Step 2
\l
Adiust for
maxirnum
retding
steps ? & 3improvcmenl is porsible.
$ani* *e Step f9t MHz
{40û 1-t:, il.4od,} 90 L,4Hz Same as Step 2T2o1 (FM rFT) Adjust for
maximunt
reading
qSæræ er $tep 1CI8 ffiH¿
{4tû È*4, içlod.} 98 MHz
Distortion
Meter
connected to
QUTPUT jacl<
1zCI3 Adiust for
minimum
dístor.tion
fr Sex'¡s æs $*{s, 'l û8lWHz
{4*0 l"*¿, lMori.} 98 Mllz Tunerls
TUNINÛ
Metor VR2O1 Adjust for 7070
reading of' full
scale with input
of 'l rnV
?$ac*e as 8t*r¡ 198,Ì?1il¡
{4ût l*z &¡jod,}
98 ffillr
{Press MUT*NG
Flt4 svvitchl
Oscilloscope
ccnnected to
OU"[PUT iack VB2O2
Adjust so output
just appears with
an input sÌgnal
Ievel of B ¡rV,
fu,
rus MPX ALIGNMENT
FM ANTENNA
l"EFIM INAL
(300f1) TUNER OUTPUT
TP #41PIN
Fí9.3 RF, lF At\lÞ MPX ALTGNMENT CONNECTION
Note: 8e sure to disconnecl FM Line Corcl Antenna ancl NARBoW B/wlDTH button shoulcj be in the ,,out,,position
during alignmenl.
ry
FM SIGNAL
GENERATOR FM DUMN4Y
ANTE'!NA
300ç¿
FM IF
T201
VR201
vn202
MPX
tc301
VR3O1
VR302
TUNER
FRONT END
1103,1101
L102. TC101
TC102, TC103
L1 04
S:TEREO
MOÞULATOB AUDIO
.GENFR.ATOR F requ ency
Counter AC,
Voltmeter
Tune lo center 0f band,
Signal ûcnerator ouTpuf ievel; 1000¡.rV, Deviation:
toünÊct Siçnal Generaror tn Ft\4 Antenna Tsrminal 76!<Hz, at 100 7o modulat'ion of composite sígnal
through FM Oummy Antenna (300O).
S*t SËLËTTOfr Switch to FM.
PI9 kl'lz
{P}LtT SrûNÁ,1}
ù{ûDUL,ATIGT*
LeNel
OUTPUT
INDICATOR
Connected to ADJUST
Refer Fig, 4ADJUST
FOR NOTË
tGarrier cllly
Frequency
Counter Connect
to TP i#41 pin]
of PCB û063 and
grounrl
VR3O1 10 kHz
¿'T kl-.rz
Ccrnpo:it*
* eha*n*l
,qC Voltrn€þr to
ûUTFUT iack
of ft channel
Adjust input for
audio output of
about 0,75 V
Cornpos̀
1 kþ{z L rhan*el
,4C Voitmet¿r to
0LjTPUT jack
ol R channel VB3T? Minímum
AC Vsltmeter
reading shor-rlci
be ät leasr 32
dB below reading
in step 2.
4tcrnposit*
1 kþlz R chsnnel
AC VolTmeTsr"to
OUTPUT jack
of L channel v4302 Minimunl Same as Step 2,
tri you did n*tobt¿in-t2d8-r*edings;n rlaps 3 and 4 {compared wíth step Z}, rearljust VR302 uniil you obtain -32d8
rcading i*r h¡r*h *teps 3 *nd 6.
I
T¡T1 L451
F 33 PIÑ 935 P¡N VR3O1
ît:
fc¡û4 1103 L1s2
*4t PtN
Ll$it Þ
r
n
tt
z
Ë
rTI
z
4
F
f)
r
m
o
E
^
T
I
z,
-{
(.f,
*n
rlr
lå¡a
S¡
O
TÇlû6 ¡'''
T€1û2 f,:'
Tclqs i.-i,
TCIû1 1r:",
1401 Â,: ;:1.
VB4Tl
VR4O2
T401 .
VRz(]1
VR2O2
#34 PIN
L202
&
N
"cÞ
N
r@
$