JBL Incorporated 250 Crossways Park Dr. Woodbury, New York 11797 (516) 496-3400
Service Bulletin
Service Bulletin JBL2000-01 Rev2 - February 2001 Warranty labor rate: MINOR repair
To: All JBL Service Centers
Models: PSW-D110, DPS-10, ARC SUB8, ARC SUB10, DS-10
Subject: Failure of C6
In the event you receive a JBL subwoofer corresponding to one of the above models with the
complaint “no output” and capacitor C6 (10uf 50v NPE) is damaged in the amplifier:
Order kit JBL part# 30721 and replace the following included parts:
C6 – (10uf 100v NPE cap) C24 – (100nF 50v cap)
R46 – (47 1/4W resistor) R23 – (20k 1/2W resistor – only on models PSW-D110, DPS-10)
50K Crossover potentiometer – (replace only if necessary on models PSW-D110, DPS-10 - outer nut
should be finger tight plus 1/8 turn with tool to avoid damage)
ARC SUB8, ARC SUB10, DS-10
PSW-D110, DPS-10
General reference for location only; not all parts or designators may conform to these drawings.
FOLLOWING THE REPAIR:
Follow instructions included in bulletin #JBL9903 rev1.
IMPORTANT SERVICE NOTES: When testing the PSW-D, ARCSUB, or Decade Series amplifier, a load
must always be connected to the output terminals, whether the woofer, or a 4 to 8 ohm resistive load.
All AC powered test instruments (meters, oscilloscopes, etc.) must have a floating ground, i.e. be connected
to an isolation transformer.
Models Serial number 120/230V Status Action
PSW-D110
DPS-10
ARC SUB8
ARC SUB10
DS-10
All serial numbers
affected
Replace if damaged Replace C6,R23, C24, R46
with
JBL part# 30721
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