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#apertus IRC Channel Logs

2020/08/05

Timezone: UTC


00:50
mumptai
left the channel
03:29
bertl_oO
off to bed now ... have a good one everyone!
03:29
bertl_oO
changed nick to: Bertl_zZ
05:12
BAndiT1983|away
changed nick to: BAndiT1983
09:00
holger[m]
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09:49
mumptai
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10:20
RexOrCine
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10:29
Bertl_zZ
changed nick to: Bertl
10:29
Bertl
morning folks!
11:37
Dest123
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12:27
lexano
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lexano
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12:49
Dest123
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12:50
Dest123
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12:50
Dest123
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Dest123
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13:14
Bertl
off for now ... bbl
13:14
Bertl
changed nick to: Bertl_oO
13:33
mumptai
left the channel
14:05
Dest123
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14:59
anu3jn
Bertl: seems like the 3v3 (and the 1v0) rails are not powered
15:00
anu3jn
(measuring directly on the ft601)
15:01
anu3jn
3v3 is present on the power input connector and the 1v8 rail seems fine
15:03
anu3jn
to me it seems like your bodge to connect c8 doesnt really work
15:04
anu3jn
or is the bodge not connecting to 3v3?
15:05
anu3jn
in the schematics it seems like the 3v3 rail of the ft601 is not connected to the input 3v3 net
15:09
anu3jn
ah your existing bodge is for 3v3
15:09
anu3jn
may i add another bodge for 3v3?
15:29
anu3jn
sees he fucked up; your bodge is for 1v8
15:55
anu3jn
the osc is swinging fine at 30Mhz now
15:55
anu3jn
(after adding a bodge for 3v3)
15:55
anu3jn
however the ft601 still doesnt enumerate
16:07
Bertl_oO
ah, yes, 3V3 was not connected either ...
16:08
Bertl_oO
did you check the resistor R9 (or R5) on the side of the FT601?
16:53
anu3jn
r5 seems to have 0v
17:00
Bertl_oO
what is the resistance on R5 (unpowered board)
17:03
anu3jn
6.3k
17:03
anu3jn
but not desoldered so no guarantee
17:04
Bertl_oO
that is definitely too high, should be 1k6 resistor
17:09
anu3jn
ok will swap that
17:09
Bertl_oO
that is a 0201 as well
17:21
anu3jn
now the ft601 enumerates :):):)
17:21
anu3jn
thanks for the tips
17:30
Triffid_Hunter
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17:33
Triffid_Hunter
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17:37
Bertl_oO
anu3jn: no problem
21:43
BAndiT1983
changed nick to: BAndiT1983|away
22:03
mumptai
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22:24
Spirit532
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22:25
Spirit532
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