QSC CX Series Owner's Manual

Thank you for purchasing the PLC Series Power Supply Restoration Kit. In this kit you will find an
assortment of parts that represent materials most often needed for restoring a faulty power
supply.* This kit is not intended for use with a more extensive failure.
WARNING: This parts kit is to be installed into a QSC amplifier by qualified service personnel
only. Attempting to service a QSC amplifier without the proper qualifications and equipment
can be hazardous and could damage a unit under repair. Please refer to the warnings below
as shown in the amplifier owner's manual.
CAUTION: To reduce the risk of electric
shock, do not remove the cover. No
user-serviceable parts inside. Refer
servicing to qualified personnel.
WARNING: To prevent fire of electric
shock, do not expose this equipment
to rain or moisture.
The PLC Power Supply Restoration Kit (QSC part # SG-000060-00) contains the following:
Part Number
QD-000169-00 XISTOR IGBT TO-247AC 600V 55A
QD-000042-00 DIODE RECT ULTRAFAST 400V 3A
QD-000108-30 DIODE SMT SWITCH 200V .2A 50NS
QD-000113-30 DIODE ZNR 10V 5%
RE-001003-30 RESISTOR SMT 10 OHM 1% 1206
RE-003921-30 RESISTOR SMT 39.2 OHM 1%
RE-000210-NR THERMISTOR NTC 15A
IC-000134-00 IC CMOS HV DRVR IR2110
IC-000024-00 IC REG PWM 40V 0.1A SG3525A
IC-000053-30 IC LIN SMT DUAL TIMER LM556
IC-000054-30 IC LIN SMT QUAD COMP LM339AM
NA Technical Support CD
These parts have been selected for optimum performance. Substitutes may not work. Using
these parts and following the schematics enclosed will ensure a proper update.
PLC Series
Power Supply Restoration Kit
CX, DCA, PLX, and PL2 Series amplifiers
Description
SG-000060-00, Rev. A
Reference Qty.
Q96 & 97 2
D70 & 71 2
D78 & 79 2
D66 1
R358 & 359 2
R349 1
R324 1
U18 1
U19 1
U14 1
U13 1
NA 1
*Additional components that might be problematic:
XF-000064-00 Housekeeping Transformer T1
IC-000135-00 Top 210 chip U16
QD-000115-30 MURS160T3 Diode D60
QD-000102-30 1N4148 SMT 75V 75M D63-65,D67