JBL S120PII service manual Contents

- CONTENTS -

BASIC SPECIFICATIONS …………….……..…………..1

DETAILED SPECIFICATIONS ……….……..…………..2

CONNECTIONS………………………...……..…...…..…4

OPERATION ……..………………….……...…….….…...7

BASIC TROUBLESHOOTING..…………………… ……8

BULLETIN JBL2003-06………..…………….………..….9

S120PII AMPLIFIER BLOCK DIAGRAM………………10

S120PII EXPLODED VIEW…………….…………….....11

S120PII TEST SET UP AND PROCEDURE….……....12

S120PII ELECTRICAL PARTS LIST ..……….…….….13

P.C.B. DRAWINGS….……………………………...…….20

S120PII IC/TRANSISTOR PINOUTS..……..….…….….22

S120PII SCHEMATICS………..…………….……….….23

S120PII PACKAGE……………………………………....27

JBL S120PII SPECIFICATIONS

Amplifier Power (RMS):	400 Watts
Driver:	12" PolyPlas™ (polymer-coated cellulose
	fiber) (4.4 ohms DCR)
Inputs:	Line Level (switchable to LFE), BassQ™ and
	Speaker Level
Outputs:	BassQ and Speaker Level (High-Pass)
Low-Pass Frequency:	Continuously variable from 50Hz – 150Hz
High-Pass Frequency:	150Hz when using speaker-level outputs
Frequency Response:	22Hz – Low-pass crossover setting
Dimensions (H x W x D):	17-3/16" x 16-3/16" x 18" (19" with grille)
(with feet, without spikes)	437 x 411 x 457mm (483mm with grille)
Weight:	56 lb/25.5kg

All features and specifications are subject to change without notice.

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