JBL Media Sub2000 User manual

MultiMedia Series Loudspeakers
Media Sub2000
Service Manual
JBL Consumer Products
250 Crossways Park Dr.
Woodbury, New York 11797

- CONTENTS -
SPECIFICATIONS & TEST PROCEDURE……………….….………..1
OPERATIONS & CONNECTIONS……..……..……………...………..2
SERVICE BULLETIN….………..…………….….……………………..3
AMPLIFIER BLOCK DIAGRAM.…………….……..……..…………..4
WIRING DIAGRAM ….………..…………….…..…..……………..5
P.C.B. DRAWINGS….………..…………….………..…..……………..6
VOLTAGE CHART….………..……………………...…..……………..7
EXPLODED VIEW.………..…………….……………..….…………....8
IC DIAGRAMS………………..…………….……….………………….9
MECHANICAL PARTS LIST ..………………………………….…….10
ELECTRICAL PARTS LIST ..………………………………….…..….11
SCHEMATICS ………..……………………..…………………..….13
PACKING ……………….……………………..………….………….14

Media Sub2000 Specifications
Max Power Output 35 watts (@ 1% THD)
Frequency Response 50Hz – 120Hz
Input Sensitivity 3V Maximum
Input Impedance 10k ohms
Signal Input Jack Stereo Mini-Connector (1/8”)
Signal Output Jack Stereo Mini-Connector (1/8”)
Dimensions (H x W x D) 9 5/8 x 5 ¼ x 10 ¾”
(244 x 133 x 273mm)
Weight 7.0 lbs. /3.2kg
TEST PROCEDURE
Media Sub2000
Frequency 20Hz – 600Hz
Input Voltage 0.175V
Volume Maximum
General Function
1. Assure Level control volume is Maximum (full CW)
2. Using sine wave generator sweep unit to range of above frequencies
3. Listen to driver and cabinet for rattles, clicks, buzzes, or other unusual noises
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