JBL-TLX271P-spk-sm 维修电路原理图.pdf

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1、TLX271PPOWERED LOUDSPEAKERSERVICE MANUALJBL Incorporated250 Crossways Park Dr.Woodbury, New York 11797REV 0 5/00RadioFans.CN 收音机爱 好者资料库TLX271P2TABLE OF CONTENTSSPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3SPEAKER CONNECTIONS/OPERA

2、TION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7SERVICE BULLETIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8COM

3、PONENTS, AURAL SPECS, WIRING, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9PASSIVE SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4、 . . . .10CIRCUIT BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12POWER TRANSFORMER . . . . . . . . . . . . . . . . . . . . . . . .

5、. . . . . . . . . . . . . . . . . . . .15SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16REVISION STATUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17RadioFans.CN 收音机爱 好者资料库TLX271P

6、3SpecificationsTLX271P4Speaker Connections/OperationTLX271P5Speaker Connections/Operation (Cont.)TLX271P6Speaker Connections/Operation (Cont.)TLX271P7Trouble ShootingTLX271P8TLX271P9Components, Aural Specs, Wiring,Passive Schematic DiagramsTLX271P10Exploded ViewTLX271P11Circuit BoardLINE1LINE2ACAC+-

7、BR1CT+JW4C1C28+Q1JW1R41R79R65R5Q12R59JW7R67Q18ECBTH1JW6Q9ECBJW13R63Q11R55Q6Q5NCMCCK112L1Q4R36C19+C43+LED+-C36JW5JW11JW9+OFFONCC23AUTOSW1C4JW12JW2GNDAC-3NORMALRCA1C11POT1C24+C9C15JW5MAIN PCBCL1280DV1REV AHLSC31SPEAKER IN+C32_C27C29C7C5JW3+SW2LINE INSPKR INC2+TF1Q7JW10CXTC18C12CX2C42C8R48R49Z2R19Z1R16

8、C39C38J18R12R11C16Q6IC3C22R32R38J8R38J7R31IC3R14R17C17R53Q2D4C16J11R56J4R28R33R23C37D1D2R27R5Q2J1J16R42J5R45C34R44R59J17J13R55R38IC4J3R1R56R56J2K4J19C2Q12R51D14J8R15Q7J19D16IC8IC2R24J8C21D17R7C18R23R8C25R12C7J12IC1R3R8C46C4100029Q3D6J14R18TLX271P12Electrical Parts ListPart#DescriptionRef DesignatorQ

9、uantityTLX271P13Electrical Parts List (Cont.)Part#DescriptionRef DesignatorQuantityTLX271P14Electrical Parts List (Cont.)Part#DescriptionRef DesignatorQuantityTLX271P15Power TransformerTERMINAL FASTON (3X)AMP 2-520263-2 (3X)0.187 X 0.020 OR EQUIVALENT(MATES WITH FASTONTERMINAL 0.250 X 0.032)WIRE LEN

10、GTH(INCLUDES TERMINAL)RED COLOR (2X)RED COLOR WITHYELLOW STRIPE AROUND3.570R0.188(2X)3.0801.3302.6502.60011.0000016INPUTOUTPUT115 V 60 HZNO LOADNOMINAL33.3 V CT (SEC 1)33.3 V CT (SEC 2)WITH LOAD30.12 V CT 2.0 Amps. (SEC 1)30.12 V CT 2.0 Amps. (SEC 2)PRI5.06 Ohms MAXSEC11.0 Ohms MAXSEC21.0 Ohms MAX115VCENTER TAP TOBE RED WIRE WITHYELLOW STRIPE35REDRED34V 2A34V 2A00017TLX271P16SchematicTLX271P17Revision Status