Panasonic SADA15 - RECEIVER User manual

OrderNo. MD0106144C2
AVControl StereoReceiver
SA-DA15
Colour
(K)... Black Type
(N)... GoldType
E...... Europe
EB... Great Britain
EG ... Germanyand Italy
SPECIFICATIONS
1

FMTunerSection
Frequencyrange 87.50-108.00 MHz
Sensitivity
S/N30 dB 1.5V/75
S/N26 dB 1.3V/75
S/N20 dB 1.2V/75
IHF usablesensitivity(IHF’58) 1.5V/75
IHF 46 dBstereo quieting sensitivity 22 V/75
Total harmonicdistortion
MONO 0.2%
STEREO 0.3%
S/N
MONO 60 dB(75 dB, IHF)
STEREO 58 dB(71 dB, IHF)
Frequencyresponse
20 Hz-15 kHz +1 dB, -2dB
Alternatechannel selectivity
±400 kHz 65 dB
Captureratio 1.5dB
Imagerejection at98 MHz 40 dB
IF rejection at98 MHz 70 dB
Spuriousresponse rejection at98 MHz 70 dB
AMsuppression 50 dB
Stereo separation
1kHz 40 dB
Carrierleak
19 kHz -30 dB(-35 dB, IHF)
38 kHz -50 dB(-55 dB, IHF)
Channel balance (250 Hz-6.3kHz) ±1.5dB
Limiting point 1.2V
Bandwidth
IF amplifier 180 kHz
FMdemodulator 1000 kHz
Antennaterminal 75 (unbalanced)
AMTunerSection
Frequencyrange 522-1611 kHz(9kHzsteps)
530-1620 kHz(10 kHzsteps)
Sensitivity 20 V, 330 V/m
Selectivity(at999 kHz) 55 dB
IF rejection (at999 kHz) 50 dB
Video Section
Outputvoltageat1Vinput
(unbalanced)
1±0.1Vp-p
Maximuminputvoltage 1.5Vp-p
Input/outputimpedance 75 (unbalanced)
AmplifierSection
Poweroutput
(
at
230
V
for
Continental
Europe)
2

(
at
230
V
for
Continental
Europe)
3

at240 VfortheUnited Kingdom)
DIN1kHz(T.H.D. 1%) 2x100 W (6)
20 Hz-20 kHzcontinuouspower
output
both channelsdriven 2x80 W (6)
Total harmonicdistortion
rated powerat20 Hz-20 kHz 0.05 %(6)
halfpowerat1kHz 0.03 %(6)
DVD6CHpoweroutput
DIN1kHz(T.H.D. 1%)
Front 2x100 W (6)
Center 100 W (6)
Surround 2x100 W (6)
Powerbandwidth
both channelsdriven, -3dB 10 Hz-100 kHz(6, 0.9%)
Damping factor 30 (6)
Load impedance
Front
AorB 4-16
Aand B 8-16
BI-WIRE 6-16
Center 6-16
Surround 6-16
Frequencyresponse
PHONO RIAA standard curve(30 Hz-
15kHz)±0.8dB
CD, TAPE/MD, DVD, TV, VCR1, VCR2,
VCR3
10 Hz-100 kHz, ±3dB
Inputsensitivityand impedance
PHONO 3mV/47 k
CD, TAPE/MD, DVD, TV, VCR1, VCR2,
VCR3
200 mV/22 k
S/Natrated power(6)(VGCAON)
PHONO 70 dB(IHF, A:80 dB)
CD, TAPE/MD, DVD(L/R/C/LS/RS), TV,
VCR1, VCR2, VCR3
113 dB(IHF A, rated power,
S=2 V), 98 dB(IHF, A:100
dB)
Tonecontrols
BASS 50 Hz, +10 to -10 dB
TREBLE 20 kHz, +10 to -10 dB
Outputvoltage
TAPE/MDREC(OUT), VCR 1OUT 200 mV
Channel balance (250 Hz-6.3kHz) ±1dB
Channel separation 55 dB
Headphones outputlevel and
impedance
430 mV/330
Subwooferfrequencyresponse (-6dB) 7-200 Hz
General
Powersupply
ForContinental Europe AC230 V, 50 Hz
FortheUnited Kingdom AC230-240 V, 50 Hz
Powerconsumption 270 W
4

Dimensions(W xHxD) 430 x180 x370 mm
Mass 13.7kg
Powerconsumption in standbymode: 2 W
Notes:
1. Specificationsaresubjectto changewithout notice. / Mass and
dimensionsareapproximate.
2. Total harmonicdistortion ismeasuredbythedigital spectrum analyzer.
*Manufactured underlicense fromDolbyLaboratories. “Dolby”,
“Pro Logic”and thedouble-Dsymbol aretrademarks ofDolby
Laboratories.
** Manufactured underlicense fromDigital TheaterSystem. “DTS”
and “DTSDigital Surround”aretrademarks ofDigital Theater
System.
1. BeforeRepairand Adjustment
DisconnectACpower, dischargePowerSupplyCapacitorsC1702, C703~C706, C742, C901, C904
through a10 , 5Wresistor toground. DONOTSHORT-CIRCUITDIRECTLY(withascrew
driverblade, for instance), as thismay destroysolidstatedevices.
Afterrepairsarecompleted, restorepowergraduallyusing avariac, toavoidovercurrent.
Currentconsumption atAC230 V, 50 HzinNOSIGNALmodeshouldbe150~550 mA(E/EG).
Currentconsumption atAC230/240 V, 50 HzinNOSIGNALmodeshouldbe150~550 mA(EB).
2. Protection Circuitry
Theprotection circuitrymay have operatedifeitherofthefollowing conditionsarenoticed:
-Nosound isheardwhenthepoweristurnedon.
-Stopsduring aperformance.
Thefunction ofthiscircuitryistopreventcircuitrydamageif, for example, thepositive and
negative speakerconnection wires are“shorted”, or ifspeakersystemswithanimpedance less
thantheindicatedratedimpedance oftheamplifierareused.
Ifthisoccurs, followtheprocedureoutlines below:
1. Turnoff thepower.
2. Determinethecause oftheproblemand correct it.
3. Turnon thepoweronce againafteroneminute.
Note:
Whentheprotection circuitryfunctions, theunitwill notoperateunless thepowerisfirstturned
off and thenon again.
5

3. Accessories
ACpowersupplycord (E/EG)... 1pc.
ACpowersupplycord (EB)... 1pc.
AMLoop AntennaSet.... 1set.
FMIndoor Antenna... 1pc.
RemoteControl / Transmitter... 1pc.
AntennaPlug (EB)... 1pc.
6

4. Caution of ACMains Lead
5. Front Panel Controls
7

5.1. FrontPanel
5.2. Remote Control
8

6. Disassemblyand MainComponent Replacement
Procedures
“ATTENTIONSERVICER”
Somechassiscomponentsmaybehave sharp edges. Becareful whendiassembling and
servicing.
9

1. Thissection describes procedures forchecking theoperation of
themajorprintedcircuitboardsand replacing themain
components.
2. Forreassemblyafteroperation checks orreplacement, reverse the
respectiveprocedures. / Special reassemblyprocedures are
describedonlywhenrequired.
3. Select itemsfromthefollowing index whenchecks orreplacement
arerequired.
Content
-DisassemblyProcedureforeachmajorP.C.B.
.......................................................................................................... P.g.
7~10
-MainComponentReplacementProcedures
1. ReplacementofthePowerICand Regulator
Transistor........................................................................................
P.g. 11~12
2. Installation ofthebottomcoverafter
replacement...........................................................
............................................ P.g. 12
6.1. DisassemblyProcedureforeachmajorP.C.B.
Step1&Step2Unscrewand remove top cabinetas shown.
10

Step3Remove all thescrews.
Step4Remove thescrews.
Step5Remove thesupportbar(B).
11

Step6Release theconnectorsCP506 and CP451.
Step7Remove thescrew.
Step8Release theconnector CP351 and CP353.
12

Step9Release theflatcablefrom CN901B.
Take noteofCN504, CN505 and CN902.
Step10 Remove all thescrewsand supportbar(A).
Step11 Unscrewthenutfrom ALPanel and remove theVolumeKnob.
Step12 Remove ll thescrewsand pull theVolumeP.C.B. up as shown.
Take noteofCP501 and CP502.
Step13 Lift up Panel P.C.B. and remove all connectors.
13

Step14 Remove ToneKnob, Selector Ring, LightGuideand unscrewthenut.
Step15 Remove all thescrews. / Take noteofCP503.
Step16 Remove all thescrews.
Step17 Release theACIn/OutP.C.B. catch.
Step18 Release theCP771 and pull outtherearpanel inthedirection shown.
14

Step19 Remove thescrew, CN1001B, CN1002Band ShieldPlate.
Step20 Release theCN702 and pull outtheSurround P.C.B. inthedirection shown. / Take note
ofCN1201 toCN1204.
Step21 Release theCN354 and pull outtheInputSelector P.C.B. inthedirection shown. / Take
noteofCN401 toCN403.
15

Step22 Remove all thescrews.
Step23 Release theCN102A/Band CN103 from thePhono P.C.B..
16

Step24 Remove all thescrews.
Step25 Release theCN751 and CN752 from thePowerP.C.B.. Pull outinthedirection shown.
6.2. MainComponentReplacementProcedures
6.2.1. ReplacementofthePowerICand Regulator Transistor
Step1Remove thetop cabinet.
17

Step2Cutthejointsas shownbelow. (8joints)
18

Step3Foldthejoints. (8joints)
Step4DesoldertheterminalsofPowerICand Regulator Transistor.
19

Step5Remove all thescrewsand remove IC601.
Step6Remove all thescrewsattherearpanel and pull outShieldPlate, Surround P.C.B. and
InputSelector P.C.B. from MainP.C.B..
Step7Remove thetwoscrewsfrom IC602.
6.2.2. Installation ofthebottomcoverafterreplacement
20