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Riddled TV Repair Forum Service manual and Circuit Schematic Discussion
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foxhunter37
Joined: 04 Apr 2009 Posts: 7 Location: Indiana
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Posted: Wed Apr 08, 2009 6:15 pm Post subject: JBL DPS-12 Digital Subwoofer cabinet keeps blowing a fuse? |
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| I had this cabinet giving to me and all it wants to do is blow fuses.I would appreciate any help in the right direction as I would hate to throw away such a nice speaker cabinet.Thank you all very much Russ |
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kuhurdler
Joined: 28 Dec 2006 Posts: 2389 Location: Olathe, KS
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Posted: Thu Apr 09, 2009 6:31 am Post subject: |
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| I'd assume there is a short in the power transistors in the amplifier. |
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JTS1957
Joined: 21 Jan 2009 Posts: 835 Location: Far, Far Away
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Posted: Thu Apr 09, 2009 11:46 am Post subject: |
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| Or power supply? |
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foxhunter37
Joined: 04 Apr 2009 Posts: 7 Location: Indiana
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Posted: Thu Apr 09, 2009 8:59 pm Post subject: |
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| thank you both for the replies.Is this something I can fix on my own or would I have to replace the whole board and make it easier and is there such a place to buy this type of parts from? |
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JTS1957
Joined: 21 Jan 2009 Posts: 835 Location: Far, Far Away
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Posted: Thu Apr 09, 2009 9:14 pm Post subject: |
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If you've got the desoldering/soldering skills, a multimeter and patience, you should be able to attempt it.
If the unit is more than a year or two old, the manufacturer may not be of much help as far as buying parts or replacing the whole board. If the unit uses proprietary parts (I.C.s / transistors), you may also have some difficulty.
Just google number on part. Results should point to a number of possible sources. |
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foxhunter37
Joined: 04 Apr 2009 Posts: 7 Location: Indiana
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Posted: Thu Apr 09, 2009 10:44 pm Post subject: |
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| Thank you JTS1957 I do know a little about soldering techniques and I am similar to most components and circuits.I hope JBL will have a schematic to download and go by if I need any help identifying the part number beneficial to this repair.Thanks again.... |
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