JBL PowerBass PB10, Service Manual

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JBL Incorporated 250 Crossways Park Dr. Woodbury, New York 11797 (516) 496-3400
PB10/12 Revision 1 Only
MODEL
Serial Number (120v)
Serial numbers are located on the cabinet directly below
the amplifier faceplate.
STATUS ACTION
PB10 See serial numbers on Page 3 for factory
modified units
Hum, Buzz or “Thumping”
Replace Power Amp Module S53AMI
for symptoms described in #C only
PB12 Hum, Buzz or “Thumping” Replace Power Amp Module S64AMI
for symptoms described in #C only
* Revision 1 of the PB10/12 :
Amplifier faceplate says “Made in Canada”; Amplifier serial number starts with “AM”
Black (or silver) potted, non-serviceable S53/64AMI output module. PB10 only – No Power switch