Electronic document, no scan, very well readable.
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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