Chosen Solution
Bose Service centre says the parts are not available in India hence can’t repair. Buyers of bose are passionate about sound, difficult to just give up. The Bass Module stopped working after a short circuit but the speakers are working.
Who would be able to fix this?
Puneet Rawat this could be a Bass module issue on your Bose. Post some good pictures of the modules etc. with your question. That way we can see what you see. Use this guide Adding images to an existing question for that. Here is the schematic for the module and you can start checking components with a multimeter. Let us know what you find.
Have you checked the fuse? From Bose Troubleshooting guide: ”AC mains power is connected by the line cord via jack J1. A slow acting fuse F1 is connected between J1 [D7] and the locking primary connector J3 (or J2 or J4) to protect against faults. A Metal Oxide Varistor (MOV) VR1 is placed after the fuse and across the line. It is used to protect against lightning strikes and other line transients. “ I did some research and it sounds like bad solder joints are common in this unit, So I would look for any cracked joints, cold solder, etc. while you are in there inspecting the fuse.
ciao ragazzi io ho il problema uguale non va il sub il difetto e il chip A3089G sulla scheda madre del av3-2-1 potete darmi lo schema oppure sapete che sigla a questo chip? e dove poso reperirlo?
