Marshall AVT275

[N_Cook]

The front controls board is held to the chassis with standoffs held by push
fit ends into holes in the pcb. Then bush nut free pcb mounted pots and push
on knobs. Has anyone experienced the board dropping away inside. If the
limpet knobs work loose and then a bit of heavy handidness or knocking, the
pcb board will pop off.

 

[Gareth Magennis]

"N_Cook" <diverse@tcp.co.uk> wrote in message
news:ilvope$4un$1@news.eternal-september.org...

The front controls board is held to the chassis with standoffs held by
push
fit ends into holes in the pcb. Then bush nut free pcb mounted pots and
push
on knobs. Has anyone experienced the board dropping away inside. If the
limpet knobs work loose and then a bit of heavy handidness or knocking,
the
pcb board will pop off.

Nope, never. I should imagine the standoffs are good at their job.

The knobs normally prevent this and clouting a knobless pot smashes the pot.


Gareth.

 

[N_Cook]

Gareth Magennis <sound.service@btconnect.com> wrote in message
news:sYednUA0HNCq5x7QnZ2dnUVZ8lWdnZ2d@bt.com...

"N_Cook" <diverse@tcp.co.uk> wrote in message
news:ilvope$4un$1@news.eternal-september.org...
The front controls board is held to the chassis with standoffs held by
push
fit ends into holes in the pcb. Then bush nut free pcb mounted pots and
push
on knobs. Has anyone experienced the board dropping away inside. If the
limpet knobs work loose and then a bit of heavy handidness or knocking,
the
pcb board will pop off.





Nope, never. I should imagine the standoffs are good at their job.

The knobs normally prevent this and clouting a knobless pot smashes the
pot.


Gareth.

Clouting knobless pots on this would guarantee the board dropping away
inside.
All that holds the board ,then, is 8 quartered pips into the 8 pcb holes ,
easy finger force to release .
Does make it a doddle to remove the pcb for repair, none of those awkwardly
placed triangular catch pieces or screws etc

 

[Gareth Magennis]

"N_Cook" <diverse@tcp.co.uk> wrote in message
news:im00bp$vbv$1@news.eternal-september.org...

Gareth Magennis <sound.service@btconnect.com> wrote in message
news:sYednUA0HNCq5x7QnZ2dnUVZ8lWdnZ2d@bt.com...

"N_Cook" <diverse@tcp.co.uk> wrote in message
news:ilvope$4un$1@news.eternal-september.org...
The front controls board is held to the chassis with standoffs held by
push
fit ends into holes in the pcb. Then bush nut free pcb mounted pots and
push
on knobs. Has anyone experienced the board dropping away inside. If the
limpet knobs work loose and then a bit of heavy handidness or knocking,
the
pcb board will pop off.





Nope, never. I should imagine the standoffs are good at their job.

The knobs normally prevent this and clouting a knobless pot smashes the
pot.


Gareth.




Clouting knobless pots on this would guarantee the board dropping away
inside.
All that holds the board ,then, is 8 quartered pips into the 8 pcb holes
,
easy finger force to release .
Does make it a doddle to remove the pcb for repair, none of those
awkwardly
placed triangular catch pieces or screws etc

I tend to come to conclusions through evidence.

I have seen no evidence so far of what you are proposing actually happening.


Gareth.

 

[N_Cook]

Gareth Magennis <sound.service@btconnect.com> wrote in message
news:UcSgp.193952$ud6.170227@newsfe19.ams2...

"N_Cook" <diverse@tcp.co.uk> wrote in message
news:im00bp$vbv$1@news.eternal-september.org...
Gareth Magennis <sound.service@btconnect.com> wrote in message
news:sYednUA0HNCq5x7QnZ2dnUVZ8lWdnZ2d@bt.com...

"N_Cook" <diverse@tcp.co.uk> wrote in message
news:ilvope$4un$1@news.eternal-september.org...
The front controls board is held to the chassis with standoffs held
by
push
fit ends into holes in the pcb. Then bush nut free pcb mounted pots
and
push
on knobs. Has anyone experienced the board dropping away inside. If
the
limpet knobs work loose and then a bit of heavy handidness or
knocking,
the
pcb board will pop off.





Nope, never. I should imagine the standoffs are good at their job.

The knobs normally prevent this and clouting a knobless pot smashes the
pot.


Gareth.




Clouting knobless pots on this would guarantee the board dropping away
inside.
All that holds the board ,then, is 8 quartered pips into the 8 pcb
holes
,
easy finger force to release .
Does make it a doddle to remove the pcb for repair, none of those
awkwardly
placed triangular catch pieces or screws etc





I tend to come to conclusions through evidence.

I have seen no evidence so far of what you are proposing actually
happening.


Gareth.

Nothing amiss here either , this pcb not having been dislodged even
partially. I've never seen this approach used anywhere else. I could not
decide whether it was a neat idea or an accident waiting to happen. Just
measured one of these "anchors" , about 5 pounds to dislodge one stand off ,
so x8 for the whole 15 x 3 inch board, once the knobs were loosened/shifting
along the spindles.