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Old 16th February 2011, 12:23 PM   #1
natzev_i is offline natzev_i  Bulgaria
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Default LCDPS R1/R2 and R3/R4 question

Sorry for the dumb question but there is no manual and I am a bit confused.
Within the LCDPS kit for R1-R4 there are 4 x 2R7, 3W resistors but on the PCB there is not enough space for them and a short link is drawn on the board surface instead.
So, for LCDPS to power BII with Trident shall I mount or short the R1-R4 resistors, please?
What voltage I need at the output - 5.0V, 5.5V or (5.0 - 5.5)V?
Thanks!
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Old 16th February 2011, 12:51 PM   #2
Sonority is offline Sonority  United Kingdom
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I'm sure I've seen a photo of one of those boards completed somewhere and if I remember correctly the resistors mentioned are mounted vertically with the resitor itself sitting over the silk screen circle (the wire going through the hole there,) then the wire from what is now the top of the resitor running down the side to the hole right next to it? I could be wrong - so please check.
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Old 16th February 2011, 12:59 PM   #3
TheShaman is offline TheShaman  Europe
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Check the assembled photo:

http://www.twistedpearaudio.com/images/power/lcbps.jpg

Some people call this "tombstone" mounting. I like it.. ;p
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Old 16th February 2011, 01:09 PM   #4
natzev_i is offline natzev_i  Bulgaria
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Thank you, gentlemen. I mount them like this but was misled from the short link on the PCB drawing.
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Old 16th February 2011, 01:18 PM   #5
natzev_i is offline natzev_i  Bulgaria
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TheShaman, is there similar photos of the other TPA assembled products - it's good for reference?
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Old 16th February 2011, 02:26 PM   #6
natzev_i is offline natzev_i  Bulgaria
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Quote:
Originally Posted by natzev_i View Post
TheShaman, is there similar photos of the other TPA assembled products - it's good for reference?
Scratch that - I found what I was looking for.
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