JBL-TLX271P-spk-sm 电路图 维修手册.pdf

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1、TLX271P POWERED LOUDSPEAKER SERVICE MANUAL JBL Incorporated 250 Crossways Park Dr. Woodbury, New York 11797REV 0 5/00 RadioFans.CN 收音机爱 好者资料库 TLX271P 2 TABLE OF CONTENTS SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 SPEAKER CONNEC

2、TIONS/OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 SERVICE BULLETIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3、. . . . .8 COMPONENTS, AURAL SPECS, WIRING, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 PASSIVE SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

5、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 REVISION STATUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 RadioFan

6、s.CN 收音机爱 好者资料库 TLX271P 3 Specifications RadioFans.CN 收音机爱 好者资料库 TLX271P 4 Speaker Connections/Operation TLX271P 5 Speaker Connections/Operation (Cont.) TLX271P 6 Speaker Connections/Operation (Cont.) TLX271P 7 Trouble Shooting TLX271P 8 TLX271P 9 Components, Aural Specs, Wiring, Passive Schematic D

7、iagrams TLX271P 10 Exploded View TLX271P 11 Circuit Board LINE1 LINE2 ACAC+- BR1 CT + JW4 C1 C28 +Q1 JW1 R41 R79 R65 R5 Q12 R59 JW7 R67 Q18 E C B TH1 JW6 Q9 E C B JW13 R63 Q11 R55 Q6Q5 NCMC C K1 1 2 L1 Q4 R36 C19 + C43+ LED +- C36 JW5 JW11 JW9 + + OFFON C C23 AUTO SW1 C4 JW12 JW2 GND AC-3NORMAL RCA1

8、 C11 POT1 C24 + + C9 C15 JW5 MAIN PCB CL1280 DV1 REV A HLS C31 SPEAKER IN + + C32_ C27 C29 C7 C5 JW3 + + SW2 LINE IN SPKR IN C2 + TF1 Q7 JW10 CXT C18 C12 CX2 C42 C8 R48 R49 Z2 R19 Z1 R16 C39 C38 J18 R12 R11 C16 Q6 IC3 C22 R32 R38 J8 R38 J7 R31 IC3 R14 R17 C17 R53 Q2 D4 C16 J11 R56 J4 R28 R33 R23 C37

9、 D1 D2 R27 R5 Q2 J1 J16 R42 J5 R45 C34 R44 R59 J17 J13 R55 R38 IC4 J3 R1 R56 R56 J2 K4 J19 C2 Q12 R51 D14 J8 R15 Q7 J19 D16 IC8IC2 R24 J8 C21 D17 R7 C18 R23 R8 C25 R12 C7 J12 IC1 R3 R8 C46 C41 00029 Q3 D6 J14 R18 TLX271P 12 Electrical Parts List Part#DescriptionRef DesignatorQuantity TLX271P 13 Elec

10、trical Parts List (Cont.) Part#DescriptionRef DesignatorQuantity TLX271P 14 Electrical Parts List (Cont.) Part#DescriptionRef DesignatorQuantity TLX271P 15 Power Transformer TERMINAL FASTON (3X) AMP 2-520263-2 (3X) 0.187 X 0.020 OR EQUIVALENT (MATES WITH FASTON TERMINAL 0.250 X 0.032) WIRE LENGTH (I

11、NCLUDES TERMINAL) RED COLOR (2X) RED COLOR WITH YELLOW STRIPE AROUND 3.570 R0.188 (2X) 3.080 1.330 2.650 2.600 11.00 00016 INPUT OUTPUT 115 V 60 HZ NO LOAD NOMINAL 33.3 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 MAX SEC11.0 Ohms MAX SEC21.0 Ohms MAX 115V CENTER TAP TO BE RED WIRE WITH YELLOW STRIPE 3 5 RED RED 34V 2A 34V 2A 00017 TLX271P 16 Schematic TLX271P 17 Revision Status