Technical Service Manual 31
ISA Series Power Amplifiers
SW-000088-GP ROCKER POWER SWITCH 1
SW-000093-GP CIRCUIT BREAKER, 5 AMP, , 1 230V only
WC-000169-GP CONN ASSY 2PIN ISA 2
WC-000171-GP CONN ASSY 3-PIN 1
WC-000173-GP CONN ASSY 4P P2.5 L=200 AWG26 2
WC-000174-GP CONN ASSY 6-PIN ISA 280 1
WC-000175-GP CONN ASSY 8P P2.5 L=460 AWG26 1
WC-000177-GP UL1015 #14 2P GRN L=100 1
WC-000179-GP UL1015 #16 3P BRN L=360 2
WC-000180-GP UL1015 #16 2P OFFWHITE 2
WC-000182-GP CONN ASSY 13P P2.0 L=240 1
WC-000192-GP UL 2547 3-PIN P2.5 L=250 2
WC-000198-GP GROUND WIRE 1
WC-000199-GP UL 1015 AWG#14 BROWN 1
WC-000211-GP WIRE ASSY, FAN GROUND 1
WP-000069-00 SRV - XFMR MNTG ASSY ISA300/500/800T 2
WP-000076-00 SRV - XFMR MOUNTING ASSY 1
WP-000306-00 MAIN PCB ASSY, ISA 300T 1
WP-004502-00 PCB ASSY, AC/INPUT ISA (120V) 1 100V and 120V only
WP-004502-02 PCB ASSY, AC/INPUT, ISA, 230V, 1 230V only
XF-000191-GP LINE XFMR ISA 300T 2
XF-000193-GP PWR XFMR ISA 280/300T 1
Main PCB Assembly ISA300T
QSC part # WP-000306-00
This assembly is a panelized construction comprising the two channel modules, built on a common perforated circuit board. For the
channel 1 module (the one on top), order PCB-QZ070C-PWR1; for the channel 2 module (the one underneath), order PCB-QZ070C-
PWR2.
QSC Part # Description Qty. Reference Comments
CA-056001-GP CC 50V 56PF 10% 0805 2 C110, C210
CA-056002-GP CTC 200V 56PF 5% 1206 2 C111, C211
CA-118000-GP CC 50V 180PF 5% 0805 4 C101, C103, C201, C203
CA-122005-GP CC 50V 220PF 5% 0805 4 C20–C23
CA-210011-GP 0.001UF 5% 100V CER X7R 1206 2 C114, C214
CA-222007-GP 50V .0022UF 10% 1206 4 C115, C126, C215, C226
CA-233004-GP CM 50V .0033UF 5% RL 4 C117, C118, C217, C218
CA-310009-GP CC 50V .01UF 20% 0805 1 C5
CA-322006-GP CM 50V .022UF 5% RL 4 C116, C119, C216, C219
CA-322007-GP CC 50V .022UF 10% 0805 2 C125, C225
CA-368004-GP 0.068UF 5% 250V FILM DIPPED 2 C124, C224
CA-410013-GP CER 2 1206 10% 50V .1UF 3 C100, C102, C104
CA-410014-GP 0.1UF 10% 50V CER X7R 0805 1 C11
CA-410015-GP CM 50V .1UF 5% RL 6 C107–C109, C207–C209
CA-547008-GP 4.7UF 20% 250V ELECTRO RAD 1 C7
CA-647006-GP CE 16NP 47UF 20% RL 2 C106, C206
CA-710009-GP CE 25V 100UF 20% RL 2 C105, C205
CA-722006-GP CE 25V 220UF 20% RL 5 C13, C112, C113, C212, C213
CA-847001-GP CE 80V 4700UF 20% RL 25X 4 C120, C121, C220, C221
CH-000164-GP HEATSINK ISA280/450 1
CH-000165-GP PCB HOLDER ISA GPE 1
CH-000168-GP VR BRACKET ISA 2
CH-000171-GP BRACKET, RT ANGLE HD15 1
CH-000172-GP CLAMP TRANSISTOR 1
CO-000205-GP HEADER 6-PIN RT ANGLE 1 J421
CO-000209-GP HEADER 3-PIN RIGHT ANGLE 2 J401, J402
CO-000210-GP HEADER 4-PIN RIGHT ANGLE 2 J422, J423
CO-000213-GP CONN 2 PIN STRAIGHT WAFER 2 J337, J425
CO-000214-GP CONN 3 PIN STRAIGHT WAFER 3 J157, J309, J310
CO-000215-GP CONN 4 PIN STRAIGHT WAFER 2 J345, J348
Chassis Assembly ISA300T continued
QSC Part # Description Qty. Reference Comments