JBL MS-8 Service Manual

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PINDESCRIPTIONS
(TOPVIEW)
RSTVDD
GND
MR
V
DD
SENSE
TPS3106
DBVPACKAGE
RSTSENSE
3
2
4
6
1
5
(TOPVIEW)
RESET
GND
MR
V
DD
PFI
TPS3103
DBVPACKAGE
PFO
3
2
4
6
1
5
(TOPVIEW)
RESET
GND
MR
V
DD
SENSE
TPS3110
DBVPACKAGE
WDI
3
2
4
6
1
5
TPS3103xxx
TPS3106xxx
TPS3110xxx
SLVS363E–AUGUST2001–REVISEDSEPTEMBER2007
TERMINALFUNCTIONS
TERMINAL
DESCRIPTION
NAMEDEVICENO.
GNDALL2GND
Manual-resetinput.Pulllowtoforceareset.RESETremainslowaslongasMRislowandfor
MR ALL3
thetimeoutperiodafterMRgoeshigh.LeaveunconnectedorconnecttoV
DD
whenunused.
PFITPS31034Power-failinputcomparesto0.551Vwithnoadditionaldelay.ConnecttoV
DD
ifnotused.
PFO TPS31035Power-failoutput.GoeshighwhenvoltageatPFIrisesabove0.551V.
TPS3103,
RESET 1Active-lowresetoutput.Eitherpush-pulloropen-drainoutputstage.
TPS3110
Active-lowresetoutput.LogiclevelatRSTSENSEonlydependsonthevoltageatSENSEand
RSTSENSE TPS31065
thestatusofMR.
Active-lowresetoutput.LogiclevelatRSTVDDonlydependsonthevoltageatV
DD
andthe
RSTVDD TPS31061
statusofMR.
TPS3106,AresetwillbeassertedifthevoltageatSENSEislowerthan0.551V.ConnecttoV
DD
if
SENSE4
TPS3110unused.
V
DD
ALL6Supplyvoltage.Powersthedeviceandmonitorsitsownvoltage.
Watchdogtimerinput.IfWDIremainshighorlowlongerthanthetime-outperiod,thenresetis
WDITPS31105triggered.ThetimerclearswhenresetisassertedorwhenWDIseesarisingedgeorafalling
edge.
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MS-8
62

JBL MS-8 Specifications

General

Amplifier class	-
Frequency range	20 - 20000 Hz
Audio output channels	5.1 channels
Peak power per channel	30 W
Signal-to-Noise Ratio (SNR)	85 dB
Total Harmonic Distortion (THD)	- %
RMS power output per channel (4 Ohm)	18 W
DC-in jack	Yes
Purpose	Car
Product color	Black, White
Connectivity technology	Wired
Built-in display	No