Bose FREESPACE BMA-125 Manuale di servizio
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SAFETY INFORMATION ................................................................................................................... 2
Electrostatic Discharge Sensitive (ESDS) ..................................................................................... 3
120V Version Specifications ........................................................................................................ 4-5
230V Version Specifications ........................................................................................................... 6
120V Disassembly/Assembly Procedures .................................................................................. 7-9
230V Disassembly/Assembly Procedures .............................................................................. 10-12
BMA-125 Test Procedures 120V .............................................................................................. 13-16
BMA 125 Test Procedures 230V .................................................................................................... 16
Part List Notes ................................................................................................................................ 17
120V Main Assembly Part List ...................................................................................................... 18
Figure 1. 120V Chassis Layout ...................................................................................................... 19
120V Amp PCB Part List ........................................................................................................... 20-22
120V Tone/Volume Control PCB Part List ............................................................................... 23-24
120V Equalizer PCB Part List ................................................................................................... 25-26
230V Main Assembly Part list .................................................................................................. 27-28
230V Amp PCB Part List ........................................................................................................... 29-31
230V Tone/Volume/Equalizer PCB Part List ............................................................................ 32-35
Input Module 2B37 Part List .......................................................................................................... 36
Input Module 2B50 Part List ..................................................................................................... 37-38
Figure 2. 2B37 Schematic and PCB Layout ................................................................................... 39
Figure 3. 2B50 Schematic and PCB Layout ................................................................................... 40
Figure 4. 120V Driver PCB Layout ................................................................................................. 41
Figure 5. 120V Tone/Volume Control PCB Layout ......................................................................... 41
Figure 6. 120V Equalizer PCB Layout (Solder Side) ..................................................................... 42
Figure 7. 120V Equalizer PCB Layout (Component Side) ............................................................. 42
Figure 8. 230V Driver PCB Layout ................................................................................................. 43
Figure 9. 230V Tone/Volume/Equalizer PCB Layout .................................................................... 44
Figure 10. and 11. 230V wiring diagram ................................................................................... 45-46
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