JBL TLX CSS-SUB1 Service Manual Download Page 5

TLX CSS-SUB1 TEST PROCEDURE

Equipment needed:

·

  Function/signal generator/sweep generator

·

 Integrated 

Amplifier

·

 Multimeter

·

 Speaker 

cables

General Function                                     

UUT = Unit Under Test

1)  

Connect one pair of speaker cables to either high level input terminal on UUT.  Cables should be

connected to an integrated amplifier fed by the signal generator. VOLUME control should be full

counterclockwise.

2)  

Turn on generator and adjust so that speaker level output is 

2.0V, 50 Hz

. Turn VOLUME control full

clockwise, FREQUENCY control full clockwise.

3)  

Green LED should light, immediate bass response should be heard and felt from woofer and port tube

opening.

Sweep Function

1)  

Follow steps 1 - 4 above, using a sweep generator as a signal source.

2)  

Sweep generator from 

20Hz to 300Hz.

  Listen to the cabinet and drivers for any rattles, clicks, buzzes or

any other noises.  If any unusual noises are heard, remove driver and test.

Driver Function

1) 

 

Remove driver from cabinet;  and - wire clips.

 

Check DC resistance of driver; it should be

 7.0

 ohms 

±

10%.

2)   Connect a pair of speaker cables to driver terminals.  Cables should be connected to an integrated

amplifier fed by a signal generator. Turn on generator and adjust so that speaker level output is 

5.0V.

3)   Sweep generator from 

20Hz to 1kHz.

  Listen to driver for any rubbing, buzzing, or other unusual noises.

5

Summary of Contents for TLX CSS-SUB1

Page 1: ...TLX CSS SUB1 POWERED SUBWOOFER SERVICE MANUAL THE TLX CS SUB1 SUBWOOFER IS PART OF THE TLX CS SP1OOO SYSTEM JBL Consumer Products 250 Crossways Park Dr Woodbury New York 11797 Rev0 8 2002 ...

Page 2: ...Enclosure Design Bass Reflex Amplifier Power 75 watts RMS Frequency Response 45Hz 150Hz 6dB Crossover Frequency 50 to 200 Hz Continuously Variable Inputs High Level Speaker Input terminals Outputs Full Range speaker Sensitivity 1 7V Input Impedance 4 7K W Auto off Delay 8 minutes Auto on Threshold 1mV Dimensions 13 3 4 x 14 3 4 x 15 1 8 H x W x D 349 x 374 x 384mm includes 1 3 4 feet Shipping Weig...

Page 3: ...3 ...

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Page 5: ... bass response should be heard and felt from woofer and port tube opening Sweep Function 1 Follow steps 1 4 above using a sweep generator as a signal source 2 Sweep generator from 20Hz to 300Hz Listen to the cabinet and drivers for any rattles clicks buzzes or any other noises If any unusual noises are heard remove driver and test Driver Function 1 Remove driver from cabinet detach and wire clips ...

Page 6: ... 1 HARNESS HA1218 Speaker wiring harness Molex end 1 ELECTRICAL PARTS LIST Variable Resistors VR502 146 8020 50K x 2 Frequency Pot 1 VR501 RS2087 10K x 1 Gain Pot 1 Diodes D503 511 5636 1SS133 Small signal diode 1SS133 14 D601 605 Integrated Circuits IC501 502 503 RH14558 001 RC4558L Dual Op Amp 5 504 505 IC601 205419000206 uPC1237HA Limiter IC 1 Transistors Q504 506 509 9163310420 NPN DTC124ES 3 ...

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