Lost power!!!

I have the Megaworks THX 550 and yesterday I lost power while I had the speakers on mute.
I checked the connections, ok there. I checked the fuse, but that did not help.
Does anyone know what else could the problem be?
Do I need to open up the subwoofer? Is there another fuse internal to the sufwoofer?
Please help.
Bill

I don't know how Megaworks works (), but if they are similar to S750, they should have a green led mounted on the rear panel showing the status of power. There are three cases:
- Led off
- Led blinking
- Led on
Which is your?

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   Version 2
   Level 1
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   Opcode 0
   Keywords 0x8000000000000002
- TimeCreated
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   EventRecordID 8270
   Correlation
- Execution
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   [ ThreadID] 8
   Channel System
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- Security
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- EventData
BugcheckCode 0
BugcheckParameter1 0x0
BugcheckParameter2 0x0
BugcheckParameter3 0x0
BugcheckParameter4 0x0
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_TC2 = 0
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_AC0 = 0K
_AC1 = 0K
_AC2 = 0K
_AC3 = 0K
_AC4 = 0K
_AC5 = 0K
_AC6 = 0K
_AC7 = 0K
_AC8 = 0K
_AC9 = 0K
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+
System
Provider
[ Name]
Microsoft-Windows-Kernel-Power
[ Guid]
{331C3B3A-2005-44C2-AC5E-77220C37D6B4}
EventID
89
Version
0
Level
4
Task
86
Opcode
0
Keywords
0x8000000000000020
TimeCreated
[ SystemTime]
2012-02-01T00:02:49.270411900Z
EventRecordID
8271
Correlation
Execution
[ ProcessID]
4
[ ThreadID]
68
Channel
System
Computer
LR8K6TLC.cntr.thrivent.corp
Security
[ UserID]
S-1-5-18
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ThermalZoneDeviceInstanceLength
21
ThermalZoneDeviceInstance
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1
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0
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0
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0
_AC3
0
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0
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0
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0
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0
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371
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0
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All,
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There's nothing obvious in the event viewer and listener.log has this at the tail end:
Started with pid=2884
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=sstudent)(PORT=1550)))
Listener completed notification to CRS on start
TIMESTAMP * CONNECT DATA [* PROTOCOL INFO] * EVENT [* SID] * RETURN CODE
04-NOV-2009 10:04:29 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=)(USER=Administrator))(COMMAND=status)(ARGUMENTS=64)(SERVICE=LISTENER)(VERSION=169869568)) * status * 0
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TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
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TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
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TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
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TNS-12514: TNS:listener does not currently know of service requested in connect descriptor
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LSNRCTL for 32-bit Windows: Version 10.2.0.1.0 - Production on 04-NOV-2009 10:29
:31
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=sstudent)(PORT=1550)))
STATUS of the LISTENER
Alias                     LISTENER
Version                   TNSLSNR for 32-bit Windows: Version 10.2.0.1.0 - Produ
ction
Start Date                04-NOV-2009 10:04:28
Uptime                    0 days 0 hr. 25 min. 5 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   C:\oracle\product\10.2.0\db_1\network\admin\listener.o
ra
Listener Log File         C:\oracle\product\10.2.0\db_1\network\log\listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=sstudent)(PORT=1550)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfullyAnd here is listener.ora:
C:\oracle\product\102~1.0\db_1\NETWORK\ADMIN>more listener.ora
# listener.ora Network Configuration File: C:\oracle\product\10.2.0\db_1\network
\admin\listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST =
    (SID_DESC =
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LISTENER =
(DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = sstudent)(PORT = 1550))
)

Robert,
Yes, there is a database on the server. I believe it's running, but I can't confirm that because I don't know how to confirm it! :)
Here's the tnsnames.ora from the server
# tnsnames.ora Network Configuration File: C:\oracle\product\10.2.0\db_1\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.
LISTENER_ORAC =
(ADDRESS = (PROTOCOL = TCP)(HOST = sstudent)(PORT = 1550))
STARBASE =
(DESCRIPTION =
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