Sharp GF-5454H User manual

SERWCE MANUAL/SERVICE-ANLEITUNG/MANUEL DE SERVICE °
i ATSM282030RCS
CAP!
AutoProgramSearch Systen
KARSTADT
Alctiangssellschatt
Techn. Kundendienel
Naumburger f r. 4-10
1000Berlin44.Ы.6908В**
GF-5454H
GF-5454HB
GF-5454E
Caution!
Undertheemploymentoflatesttechnologiesthissetuses
leadless parts.Consult pages 22and23 without fail before
replacing them.
Achtung!
Unter Verwendung neuester Technologic findenin
diesemGeratzuleitungsloseBauelementeVerwendung.
VorAustauschunbedingtAnleitungaufSeiten24und25
beachten.
Precaution!
ParI'emploides dernieres technologies,cetappareil
utilisedespiecessans fil. Nepasoublierdecosulterpages
26et27avantde les remplacer.
•Intheinterestsofuser-safetythesetshouldberestoredtoits
originalconditionandonlypartsidenticaltothosespecifiedbe
used.
• Im Interesse der Benutzer-Sicherheit solltediesesGerat wieder
aufseinen ursprunglichen Zustandeingestelltundnurdie
vorgeschriebenen Teile verwendet werden.
•Dans I'interet dela securite deI'utilisateur,I'appareildevra etre
reconstitue danssaconditionpremiereetseulesdespiecesidenti-
quesa eel les specifiees, doivent etre utilisees.
Notefor users inUK:
Recordingandplaybackofanymaterialmayrequireconsent
whichSHARPareunabletogive.Pleasereferparticularlytothe
provisionsofCopyrightAct1956,theDramaticandMusical
PerformersProtectionAct1958,thePerformersProtectionActs
1963and1972andtoanysubsequentstatutoryenactmentsand
orders.
INDEXTOCONTENTS
SPECIFICATIONS,NAME OF PARTS ............ .2~4
DISASSEMBLY,VOLTAGE SELECTION. .......... 5,6
BLOCK DIAGRAM........................... .7
MECHANICAL ADJUSTMENT. ................. 8,9
PACKINGMETHOD(GF-5454E Only).............. 10
GENERALALIGNMENTINSTRUCTION. ........ 11~14
DIAL CORDSTRINGING ................... 13,14
WIRINGSIDE OF P.W.BOARD. ............ .15, 16,19
SCHEMATICDIAGRAM .................... 17,18
CABINETEXPLODEDVIEW .................... 20
MECHANISMEXPLODEDVIEW ................ .21
INFORMATIONOFLEADLESSTYPERESISTORS,
CAPACITORS & JUMPERS .................. 22,23
REPLACEMENTPARTS LIST ............... .28 ~32
INHALTSVERZEICHNIS
TECHNISCHE DATEN,TEILEBEZEICHNUNG. ..... .2~4
ZERLEGEN,SPANNUNGSWAHL . ............... 5,6
BLOCKSCHALTBILD ......................... .7
MECHANISCHEEINSTELLUNG ................ 8,9
ALLGEMEINEABGLEICHANLEITUNG ........ .11~14
SKALENSCHNURSPANNUNG................13,14
VERDRAHTUNGSSEITEDERLEITERPLATTE..15,16,19
SCHEMATISCHERSCHALTPLAN ............. 17.18
EXPLOSIONSDARSTELLUNGDES GEHAUSES. ..... .20
EXPLOSIONSDARSTELLUNGDESMECHANISMUS. . .21
INFORMATIONDERSTIFTLOSENWIDERSTANDE,
KONDENSATORENUND UBERBRUCKUNGS-
DRAHTE. .............................. 24,25
ERSATZTEILLISTE ...................... .28 ~32
TABLE DESMATIERES
CARACTERISTIQUES,NOMENCLATURE ........ 2 a 4
DEMONTAGE,SELECTION DELA TENSION ....... 5,6
DIAGRAMMESYNOPTIQUE......................7
REGLAGE DU MECANIQUE ................... 8,9
INSTRUCTIONSGENERALESPOUR
L'ALIGNEMENT ......................... 11 a 14
PASSAGE DUFILDU CADRAN. .............. 13,14
COTECABLAGE DELA PMI.............. .15, 16,19
DIAGRAMMESCHEMATIQUE. ............... 17,18
VUEEN ECLATE DU COFFRET ................ .20
VUEEN ECLATE DU MECANISME ............... 21
INFORMATIONDESRESISTANCES,CONDENSATEURS
ET FILS VOLANTSSANSPIED ............... 26,27
LISTE DES PIECES DE RECHANGE ........... 28a 32
SHARPCORPORATIONOSAKA,JAPAN

FORA COMPLETEDESCRIPTIONOFTHEOPERATIONOFTHISUNIT,
PLEASEREFERTOTHEOPERATIONMANUAL.
SPECIFICATIONS
GENERAL
Powersource:
Speakers:
Outputpower:
(DIN 45 324)
(GF-5454H/HB)
Outputpower:
(GF-5454E)
Semiconductors:
Dimensions:
Weight:
Width;
Depth;
Height;
AC 110V~120V and 220V~240V,
50/60HZ
DC9V(UM/SUM-1,R20,HP-2or
Dtypex 6)
12cm wooferx 2
Ceramictypetweeterx 2
MPO; 9.6W (4.8W + 4.8W)
(ACoperation)
RMS; 5.8W (2.9W + 2.9W)
(DCoperation)
MPO;12W(6W+ 6W)(ACopera-
tion
RMS; 5.8W (2.9W + 2.9W) (DC
operation,10%distortion)
6ICs
9transistors
21diodes
7LEDs
500mm
120mm
226mm
3.9kgwithoutbatteries
TAPERECORDER
Tape:
Frequencyresponse:
Signal/noiseratio:
Wowandflutter:
(GF-5454H/HB)
Wowand flutter:
(GF-5454E)
Inputsensitivityandimpedance:
Compactcassettetape
50Hz~10,OOOHz
50dB
0.28% (DIN 45 511)
0.28% (CCIR)
External mic.;
DIN socket;
Loadedimpedance:
Headphones;
Externalspeakers;
RADIO
Frequencyrange:
600ohms
0.7mV/5.6ohms
8 ohms~ 25ohms
2.4ohms~ 8 ohms
FM; 87.6 MHz-108MHz
LW; 150 kHz-285kHz
MW; 520 kHz-1,620kHz
SW; 5.95 MHz-18.0MHz
Specifications forthismodelaresubjecttochangewithout
priornotice.
NAMESOFPARTS
1.Built-inMicrophone(L-ch)
2.Built-inMicrophone (R-ch)
3.VolumeControl
4.BalanceControl
5.ToneControl
6.FunctionSelector
7.FMModeSelector
8.BandSelector
9.Power/BatteryIndicator
10.LevelIndicator
11.FMStereoIndicator
12.CassetteHolder
13.Stop/EjectButton
14.RecordButton
15.PlaybackButton
16.Rewind/ReverseAPSSButton
17.Fast-forward/ForwardAPSSButton
18.PauseButton
19.TuningControl
20.FineTuningControl
21.TapeCounterResetButton
22.DigitalTapeCounter
23.FM/SWTelescopicRodAntenna
24.ExternalMicrophoneJacks
25. DIN Socket
26.BeatCancelSwitch
27.BatteryCompartmentLid
28.ExternalSpeakerJacks
29.HeadphonesJack
30.ACPowerSupplySocket
45
782
•[мйВИИ^^Р^^ЕР*^^
Ш^Ц ^Шр:'-й^Г:? ^jn-ll^l'
22
141618
242526
Figure2-1
Figure2-2
-2-

DISASSEMBLY
Caution:
Priortothedisassembly,besuretoremovetheACpower
supply cord, cassette tape and batteries from the unit.
•FRONTCABINETREMOVAL
(Refer to Figures 5-1,5-2 and 5-3)
1. Removetheeightscrews® andthesixknobs (g).
2.Pushthestop/ejectButtontoopenthecassetteholder.
3.Pullthefrontcabinetfrontwardbyholdingitsupper
partanddisconnectthespeakersocket© .
•MECHANISMBLOCKREMOVAL
(RefertoFigure 5—3)
1.Removethetwoscrews© andtheDigitalTape
CounterBelt ( ).
2.Disconnectthethreesockets (f), thenthemechanism
blockcanberemoved.
Q
& ?
jfci *±Е
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.«Я*^ «jamj^iisBjMMeM^eeliHsiiMJB^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^™ Чв&
Figure 5—1
I
Figure5-2
Figure 5-3
P.W.B. BLUCK REMOVAL
(RefertoFigure 5—4)
1. Removethetwoknobs (§
2.Disconnectthetwotips (J
3.Removethesixscrews <X
,thenamp.andtunerP.W.B.
canberemovedfromthebackcabinet.
.'яаркйг
Figure 5—4
VOLTAGESELECTION
Beforeoperatingtheunitonmains,checkthepresetvoltage.
Ifthevoltageisdifferentfromyourlocalvoltage,adjustthe
voltageasfollows:SlidetheACpowersupplysocketcover
bya little loosing screw tothe visible indication ofthe side
ofyourlocalvoltage.SeeFigure5-5.
|i| ,,
'о о
о
ni
— ,л ^
о ^ ^
Screw
5 I
^^^ Screw
Figure 5-5
-5-

4.,
FM PET
T2
FM
ic г
F/AMMIX.OSC.IF
©—<D
sw
osc
VRI
VCO
ADJ
тзKcF3' '
455KHz (GF-5454H/HB)
468KHz (GF-S454E)
FMModeSelector
switch
SP4
Tweeter
Figure7 BLOCKDIAGRAM
-7-

MECHANICALADJUSTMENT
TORQUECHECKATPLAY,FASTFORWARDAND
REWINDMODES
(RefertoTable8-1andFigure 8-1.)
Puta torquemetercassetteinthecassetteholderofthe
unit, andsee that the measured torque in each mode is
normalasfollows.
Mode
Playback
Fast-forward
Rewind
Torquemetercassette
TW-2111
TW-2231
TW-2231
Measuredtorque
35~ 60gram -cm
85~ 120 gram -cm
85~ 120gram -cm
Table8-1
TW-2231
TW-2111
Figure8-1
POSITIONALADJUSTMENTOFPLUNGERAND
SOLENOID
(RefertoFigure8-2)
Iftheattractivestrokeoftheplungerisinsufficient,adjust
itbyshiftingthesolenoidinthedirection(g). Iftheat-
tractiveforceofthesolenoidisinsufficient,adjustitby
shiftingthesolenoidinthedirection® .
TIMINGADJUSTMENTOFAPSSSWITCH
(RefertoFigure8-3)
Whiletheunitisinplaybackmode,bendthepart (B) of
thesubchassisbacklevertosuchdegreethattheclearance
®betweentheAPSSswitchandthesubchassisback
leverbecomesabout1 mm.AndcheckthattheAPSS
switchisturnedonwhentheunitgetsinAPSSmode.
PINCHROLLERPRESSURECHECK
1. Placetheunitinplaybackmode.
2.Pushthepinchroller,atthepointshowninFigure 8—4,
byusinga tensiongauge(500g)sothatitwillcomeoff
the capstan. Then, slowly release the tension until the
pinchrollerhitsthecapstanagain(i.e.,thepinchrolleris
abouttorotateagain).Check,then,thetensiongaugeis
reading270g to370g.
3. If thereadingisoutsidetherangeof270g to370g,
replacethepressurespringofthepinchroller.
Notes:
In playback mode,makesurethattheclearance(g)andthe
clearance(g)aremorethan0.2mmandmorethan0.1mm
respectively.Nextinpausemode,makesurethatthe
clearance© ismorethan0.3 mm.
TAPESPEEDADJUSTMENT
AsshowninFigure 8—5, makeconnectionofinstrument,
puta screwdriver(forhigh-frequencyuse)intotheholeof
themotor,andadjustthevariableresistorsothatthe
outputfrequencyis2960to2985Hzonfrequencycounter.
RECORD/PLAYBACKHEADAZIMUTHADJUSTMENT
AsshowninFigure 8—6, makeconnectionofinstrument,
andadjusttheheadazimuthadjustingscrewsothatthe
outputsignalsfrombothchannelswillhavemaximum
waveformwiththesamephaseinrightandleft.
Spring Retaining Screw
Plunger—I
APSSRelease
Lever
Solenoid
AttractiveStroke
Figure 8—2
SubChassis
BackLever
APSS
Switch
Figure8-3
TensionGauge
(500g)
Capstan
^D'
Pause
Lever
SubChassis
PinchRoller
PressureSpring
-Pinch
Roller
Figure 8-4
EXT. SP
REC/PB (J10S.106)FREQUENCY
Л HEAD PLAYBACK mode / COUNTER
TESTTAPE
MTT-111
13kHz)
^S-
Figure 8-5
Screwdriver
for high-freq.
use
TESTTAPE
MTT-114
/10 kHz\
(-10dB)
REC/PB
HEAD
EXT. SP
IJ105)
LAYBACK mode ,
GROUND
L_
I —————— I
\ I ———
IJ106)
EXT. SP
DUALTRAC
SYNCROSCO
Ф
]
ii о 4
сн° Т си 2
Figure 8—6
-8-

PACKINGMETHOD (GF-5454E Only)
PACKINGPROCEDURE
Settingpositionsofeveryswitchandknob.
ThebeatcancelswitchissetatA position.
Thevolumecontrolknobissetat min position.
Thebalancecontrolknobissetatcenterposition.
Thetonecontrolknobissetatcenterposition.
Thefunctionselectorknobissetattapeposition.
TheFMModeselectorknobissetatstereoposition.
ThebandselectorknobissetatLWposition.
Thedigitaltapecounterissetat000position.
Thetuningcontrolknobissetatstartpoint0 position.
Themechanicalbuttonaresetatdisengagedposition.
Label,MADEINJAPAN
(TLABJ0006AFZZ)
PackingAdd.(Left)
(SPAKA0877AFZZ)
Cassette Tape____
(RTPEK0094AFZZ)
Applycellophanetape
PackingCase
(SPAKC1921AFZZ)
PolyethyleneBag
(SSAKH0129AFZZ)
OperationManual
(TINSE0791AFZZ)
WarrantyCard
(TGANE1117AFZZ)
ErasingPlug
(QPLGZ0152AFZZ)
CautionCard
(TCAUH0056AGZZ)
ACPowerSupplyCord
(QACCB0057AF09)
Figure10
-10-

GENERALALIGNMENT INSTRUCTION
Shoulditbecomenecessaryatanytimetocheckthealign-
mentofthisreceiver,proceedasfollows;
1.Setthevolumecontrol(VR103)tomaximum.
2.Attenuatethesignalsfromthegeneratorenoughtoswing
themostsensitiverangeoftheoutputmeter.
3.Usea non-metallicalignmenttool.
4.Repeatadjustmentstoinsuregoodresults.
5.Setthe Function Selector Switch (SW101) to "radio"
position.
AM IF/RF ALIGNMENT
•Setthesignalgeneratortoproducea signalof400Hz,30%,
AMmodulated.____
•Foradjustmentsinsteps4 and9,see [Note A|.
STEP
BAND
TEST
STAGE
FRE-
QUEN-
CY
DIAL
SETT-
ING
ADJUST-
MENT
REMARKS
IF(AsshowninFigure 11-1, makeconnectionofinstrument.)
1
MW IF
(H/HB):
455kHz
(E):
468
kHz
High
endof
dial
T3
Adjustfor
best"IF"
curve
RF(AsshowninFigure 1 1-2, makeconnectionofinstrument.)
2
3
4
5
6
LW
LW
LW
LW
Band
cover-
age
Track-
ing
145kHz
295kHz
170kHz
270kHz
Low
endof
dial
High
endof
dial
170k
Hz
270k
Hz
L10
TC8
L7
TC5
Adjustfor
maximum
output
Repeatsteps2,3,4and5 untilnofurtherimprovement
canbemade.
RF(AsshowninFigure 11-3, makeconnectionofinstrument.)
7
8
g
10
11
12
13
14
15
16
MW
MW
MW
MW
Band
cover-
age
Track-
ing
510kHz
1650
kHz
600
kHz
1400
kHz
Low
endof
dial
High
endof
dial
600
kHz
1400
kHz
L9
TC7
L7
TC4
Adjustfor
maximum
output
Repeat steps 7,8,9 and 1 0 until no further improrement
canbemade.
SW
SW
SW
SW
Band
cover-
age
Track-
ing
5.85
MHz
18.5
MHz
6.5
MHz
16
MHz
Low
endof
dial
High
endof
dial
6.5
MHz
16
MHz
L8
TC6
L6
TC3
Adjustfor
maximum
output
Repeatsteps 12, 13, 14 and 15 untilnofurtherimpro-
vementcanbemade.
[Note A| Checkthealignmentofthereceiverantennacoilby
bringinga pieceofferrite(suchasa coilslug)neartheantenna
loop stick, then a piece of brass. If ferrite increases output,
loop requires more inductance. If brass increases output, loop
requireslessinductance.Changeloopinductancebyslidingthe
bobbintowardthecenterofferritecoretoincreaseinductan-
ce,orawaytodecreaseinductance.
SWEEP
GENERATOR
MW/LW
TESTLOOPBARANTENNA
OSCILLOSCOPE
SIGNAL
GENERATOR
Figure 11—1
MW/LW
BARANTENNA
ELECTRONIC
VOLTMETER
Figure 11—2
SIGNAL
GENERATOR
ToTelescopicRod Antenna
R= 30ohm
C-15PF ELECTRONIC
Z:OutputimpedanceofsignalgeneratorVOLTMETER
Z « 50ohnr
—y———— » TochassisGND
tr TelescopicRod
DUMMY Antenna ————
Figure 11—3
SWI01
FM MODE
SELECTOR
M
1
* L7
LW
Figure11-4
-11-

FM IF/RF ALIGNEMIMT
•Setthesignalgeneratortoproducea signalof400Hz,30%,
FMmodulated.
STEP BAND
TEST
STA-
GE
FRE-
QUEN-
CY
DIAL
SET-
TING
AD-
JUST-
MENT
REMARKS
IF(AsshowninFigure 13—1, makeconnectionofinstrument.)
1 FM
IF
10.7
MHz
High
endof
dial
T1
T2
Adjustfor
best"S"
curve
RF(AsshowninFigure 13—2, makeconnectionofinstrument.)
2
3
4
5
6
FM
FM
FM
FM
Band
cover-
age
Track-
ing
87.3
MHz
108.3
MHz
88
MHz
108
MHz
Low
endof
dial
High
endof
dial
Гв8
MHz
108
MHz
L3
TC2
L2
TC1
Adjustfor
maximum
output
Repeatsteps2,3,4and5 untilnofurtherimprovement
canbemade.
FMSTEREOALIGNEMNT
SettheBandSelectorSwitch (SW1) to"FM"positionand
FMModeSelectorSwitch (SW104) to"stereo"position.
Beforethisadjustment,connecttheanodesideofStereo
Indicator (D111) to GND.
AsshowninFigures 13-3 and13-4,makeconnection of
instrument.
FREQUENCY
98MHz(54dB)
unmodulated
DIAL
POINTER
98MHz
ADJUST-
MENT
VR1
REMARKS
Adjustfor
38± 0.15kHz
10.7MHz,Telescopic
FMSWEEPGENERATORRod Antenna
OSCILLOSCOPE "S" curve
Figure13-1
-—— ,^,3-,^,
EXT.SP
(J105. 1061
Figure 13—2
FMSTEREO
SIGNALGENERATORTelescopic
————————— RodAntenna
(SeeFigure13-4)
DUMMY
IC3 FREQUENCY
©pinlOpOPF COUNTER
^rVL шзш I
_0__j330K_ohm()
GND t_—————___I
Figure 13—3
;]R2
R1
~W———»• ToTelescopicRodAntenna
Z-75ohm<-R1 -375°hm
^~ R2 • 75 ohm
•R1= 50ohm
R2-50ohm
Z- 50 ohm.
——————•• ToChassisGND
Z:Outputimpedanceof signal generator
Figure 13-4 FMDUMMY
DIALCORDSTRINGING
1)Turnthedrumfullyclockwiseandstretchitscordcover
thepartsinthenumericalorder —as showninFigure 13—5.
2)Turnthetuningcontrolshaftfullycounterclockwise,and
fixitwiththepointeralignedwiththezero(0)pointon
theframe.SeeFigure 13—6.
"0"Point
Figure 13-6
4turn

TONE
VRIOI
, ,.; -f ВНИПЭД ЛЮЖЧГОВ-
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-m
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ЖЧ-!|Й||У>^^''
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J.J.?
IC2: VHIAN7223//-1
(AN7223)
IC1: VHITA7335P/-1(ТА7335Р)
IC3: VHITA7343P/-1(ТА7343Р)
ЙП
пп п п п п
J5
TOPVIEW
—®—®—о—®——'
UTTLJU U U U U U
19
Figure15WIRING
-15-

10
IC102:VHIIR2E01//-1(IR2E01)
IC101: VHIM51544L/-1 (M51544L) 16
[_|
^
[__| |_| [_[ [__|
^
IC103:RH-IX1222AFZZ(LA4192F)
FRONTVIEW
1/ШШШ
110
О
TOPVIEW
V
10
11
12
SIDEOFAMP. P.W. BOARD
-16-

Note:
•Voltagereedingaremeasuredwith
DigitalMultimeterundernosignalcon-
ditionintapeposition.
() : AMmode
:FMmode
•Unlessotherwisespecifiedallresistance
inohms,
К= 1000 ohms
•Unlessotherwisespecifiedallcapaci-
tanceinmicrofarads.
P=Picofarads
•(CH),(RH): Temperaturecompensation
•(S): Styroltype
• (P.P.) : Polypropylenetype
• з^г: : Printedresistor
Anmerkung:
•DieSpannungen werden beiEinstellung
des Cerates aufdie Tape-Stellung ohne
Signaleingang mit Digitalvielfach-
meBgerat' gemessen.
() : AM-Betriebsart
:UKW-Betriebsart
•Fallsnichtanders angegeben, sind alle
Widerstande inOhmangegeben.
К= 1000 Ohm
•Fallsnichtanders angegeben, sindalle
KondensatoreninMikrofaradangegeben.
P= Picofarad
•(CH),(RH):TK-Kondensator
•(S): Styroltyp
•(P.P.)
:
Polypropylentyp
• =z*Z '•GedruckterWiderstand
Note:
•Latension est mesuree d I'aided'un
multimetre numerique dans les condi-
tionsdenonsignalsurlaposition"tape".
() : Mode AM
:ModeFM
•A mo insde notification contraire, toute
resistanceestexprimeeenohms.
К= 1000 ohms
•A moinsdenotificationcontraire,toute
capacite estexprimeeenmicrofarads.
P= Picofarads
•(CH),(RH) : Compensationde
temperature
•(S): Typestyrol
•(P.P.): Typepolypropylene
• ^ww
:
Resistance imprimee
Notes:F
n
Anmerku
(Specificationsorwiringdiagramsofthismodelaresubjecttochangeforimprovementwithoutpriornotice.)
(Technische Datenoder Schaltplane diesesModelles konnen imSinnederVerbesserungjederzeitohne Vorankundigung geandert werden.)Note:L
(Les caracteristiques oulesdiagrammesde cablage dece modelesont sujetsa modificationsans preavis pour I'amelioration duproduit.) li
Figure17 SCHEIV
-17-

10
11
12
SW.NO.
SW 1 tA-F)
SWIOKA-F)
SWKMSA^))
SWI04
SW3OI
SW4O1
SW402
FUNCTION
BANDSELECTOR
FUNCTIONSELECTOR
RECORD/PLAYBACK
FM MODE SELECTOR
AC/DCSELECTOR
MAIN
APSS
POSITION
FM LW - MW -SW
TAPE -МОЮ
RECORD-PLAYBACK
MONO -STEREO
AC-DC
2S - OFF
ON - OFF
_;
'arts markedwith " Д " (- ) areimportantformaintainingthesafetyoftheset.Besuretoreplacethesepartswithspecifiedonesfor
laintaining thesafetyandperformanceoftheset.
ngen: Diemit Д (' ) bezeichneten Teile sind besonders wichting fiir die Aufrechterhaltung der Sicherheit, Beim Wechseln dieser
Teile sol I tendie vorgeschriebenen Teile immer verwendet warden, um so wo hi dieSicherheit als auch dieLeistungdes Cerates auf-
rechtzuerhalten.
.espiecesportantlamarque Д ( ) sontdespieces particulierement importantesaumaintiendelasecuritede I'apparel I.S'assurerde
isremplacer par despieces specif iees pourmaintenirlasecuriteet les performancesde 1'appareil.
10 11
Т
12
IATICDIAGRAM
-18-

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COLLECTOR
BASE
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•GL9PR623
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«Ш1тч **
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reared. Mr «г }*»--»
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