QSC RMX 1850HD

12 QSC Audio Products, LLC
B C E
TOSHIBA
BCE
MJE15032 (NPN) Driver transistor
(part number QD-000207-GP; was 4860-5020-5)
MJE15033 (PNP) Driver transistor
(part number QD-000210-GP; was 4860-5030-5)
2SC5200 (PNP) Power transistor
(part number QD-000209-GP; was 4860-5050-5)
2SA1943 (NPN) Power transistor
(part number QD-000208-GP; was 4860-5060-5)
MAC224 Triac (discontinued; see BTA41 triac
below)
(part number QD-000221-GP; was 8910-0482-0)
MT1
MT2
G
BTA41 Triac
(part number QD-000261-GP; replaces discontinued
MAC224 Triac)
A1 A2 G
Note: To install the BTA41 Triac on a channel module circuit board
that originally held a MAC224 Triac, first mount it to an adapter
(QSC part number SR-000117-00) and then solder the adapter to
the circuit board. See Service Bulletin RMX0008 for more
information. The Triac and adapter are available together as a kit,
QSC part number SG-000522-00.
10 k
ΩΩ
ΩΩ
Ω Potentiometer (gain control)
(part number PT-310006-GP; was 4750-6200-0; used
April 2002 and earlier with 10 µF C106)
2.5 k
ΩΩ
ΩΩ
Ω Potentiometer (gain control)
(part number PT-225000-GP; was 4751-0420-0; used May
2002 and later with 47 µF C106)
potentiometer value
printed on back