RSP-1069 Standby only, No FL display, no output
This unit has been in service for quite a few years, but recently I've been turning it off via the rocker switch on the rear panel. Just yesterday, only the blue stanby light on the front lights up. The soft on/off switch will no longer turn on the display, nor do anything else. Nor does it respond to the IR remote. I opened the unit up, and found (6) fuses, 2 in the PSU bd (near the AC jack) and 4 in the "RSP1069 POWER" board. Checked with ohmmeter, all fuses ok. Unable to find "standby fuse" listed by Rotel. Anything else I can try, other than sending in for service? The dealer it was purchased from said it's probably not worth repairing, because it's only worth maybe $400 used, and it might cost $250-$400 to repair.
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The (120V) Rotel Fuse Chart (http://www.bwgroupsupport.com/refere...use+Chart.pdf/) lists 6 total fuses for the RSP-1069:
1 - Main AC - 2A
4 - Power Supply - 4A
1 - Standby - 315mA
I would therefore assume of the 2 fuses you found in the PSU board, that one was the main AC fuse and the other was the standby fuse.
When you checked the fuses with an ohmmeter, was that when they were removed from their fuse holders, as testing in-circuit might still show continuity feeding back through the rest of the circuit?
Steve -
Good call; I misread the chart, thought there was TWO fuses in main AC, not "2A". So I guess I did check that fuse. Indeed I took all fuses out of circuit, and tested out of PCB.
One new thing I found, is a surface-mount pushbutton on the Digital PCB; labelled "boot_rst". The only reference I can see is on a Rotel document "Main Software Upgrade Instructions". It is used if you cannot upload new firmware, and somehow forces the DSP(?) to take the upload. I am tempted to try it; push button and hold, then plug in AC power. But I am afraid it might jack up the firmware.
steve w.Comment
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