Equipment information

QSC Audio PL340 Amplificatore
Manufacturer:
Model:
PL340
Date:
2008
Category:
Group:
Description:
Manuale di servizio
Manual type:
Manuale di servizio
Pages:
154
Size:
16.05 Mbytes (16834017 Bytes)
Language:
english
Revision:
A
Manual-ID:
TD-000274-00
Date:
01 January 2008
Quality:
Documento elettronico, senza ricerca, molto ben leggibile.
Upload date:
23 December 2017
MD5:
66c729e378327924eb0c6650ad33697e
Downloads:
2322

Information

Tables and Figures ... 4 Specifications ... 6 1. Introduction ... 7 1.1 Restriction of Hazardous Substances Directive (RoHS) ... 1.2 Service bulletins and updates ... 1.3 The well-equipped service bench ... 1.4 Working with surface-mount components ... 1.5 PL380 Service Fixture ... 10 2. Technical Descriptions and Testing ... 14 2.1 PL380 Circuit Description ... 14 2.2 PL380 Major Circuit Blocks ... 16 2.3 PL380 Test Procedure ... 21 2.4 PL340 Test and Calibration Procedure ... 24 2.5 PL325 Test and Calibration Procedure ... 27 3. Troubleshooting ... 31 3.1 PL380: Symptoms, causes, and remedies ... 31 3.2 PL325 and PL340: Symptoms, causes, and remedies ... 39 PLC Power Supply Restoration Kit ... 43 4. Printed Circuit Boards ... 53 4.1 PL325 and PL340 Amplifier ... 53 Main module circuit board assembly ... 53 Input module circuit board assembly ... 56 4.2 PL380 Amplifier ... 58 Main module circuit board assembly ... 58 5. Schematic Diagrams ... 64 5.1 PL325 Schematics ... 64 5.2 PL340 Schematics ... 72 5.3 PL380 Schematics ... 80 6. Replacement parts ... 89 6.1 Semiconductor package descriptions and pinouts ... 89 6.2 PL325 parts and assemblies ... 93 PL325 Power Amplifier (120V) (QSC part # FG-032500-00) ... 93 PL325 Power Amplifier (100V) (QSC part # FG-032500-01) ... 93 PL325 Power Amplifier (230V) (QSC part # FG-032500-02) ... 93 Chassis Assembly PL325 (120V) (QSC part # WP-032500-00) ... 93 Chassis Assembly PL325 (100V) (QSC part # WP-032500-01) ... 94 Chassis Assembly PL325 (230V) (QSC part # WP-032500-02) ... 95 PCB Assembly PL325 (120V) (QSC part # WP-032501-00) ... 95 PCB Assembly PL325 (100V) (QSC part # WP-032501-01) ... 98 PCB Assembly PL325 (230V) (QSC part # WP-032501-02) ... 101 Input Assembly PL325 (QSC part # WP-032502-00) ... 105 6.3 PL340 parts and assemblies ... 106 PL340 Power Amplifier (120V) (QSC part # FG-034000-00) ... 106 PL340 Power Amplifier (100V) (QSC part # FG-034000-01) ... 106 PL340 Power Amplifier (230V) (QSC part # FG-034000-02) ... 106 Chassis Assembly PL340 (120V) (QSC part # WP-034000-00) ... 106 Chassis Assembly PL340 (100V) (QSC part # WP-034000-01) ... 107 Chassis Assembly PL340 (230V) (QSC part # WP-034000-02) ... 108 PCB Assembly PL340 (120V) (QSC part # WP-034001-00) ... 108 PCB Assembly PL340 (100V) (QSC part # WP-034001-01) ... 112 PCB Assembly PL340 (230V) (QSC part # WP-034001-02) ... 115 Input Assembly PL340 (QSC part # WP-034002-00) ... 118 6.4 PL380 parts and assemblies ... 120 PL380 Power Amplifier (120V) (QSC part # FG-038000-00) ... 120 PL380 Power Amplifier (100V) (QSC part # FG-038000-01) ... 120 PL380 Power Amplifier (230V) (QSC part # FG-038000-02) ... 120 Chassis Assembly PL380 (120V) (QSC part # WP-038000-00) ... 120 Chassis Assembly PL380 (100V) (QSC part # WP-038000-01) ... 121 Chassis Assembly PL380 (230V) (QSC part # WP-038000-02) ... 122 PCB Assembly PL380 (120V) (QSC part # WP-038001-00) through January 2008 ... 122 PCB Assembly PL380 (100V) (QSC part # WP-038001-01) through January 2008 ... 126 PCB Assembly PL380 (230V) (QSC part # WP-038001-02) through January 2008 ... 130 PCB Assembly PL380 (120V) (QSC part # WP-038001-00) from February 2008– ... 134 PCB Assembly PL380 (100V) (QSC part # WP-038001-01) from February 2008– ... 138 PCB Assembly PL380 (230V) (QSC part # WP-038001-02) from February 2008– ... 142

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