[MR2] Repairing an Air Flow Meter (AFM)
Mark F. Bean
Mark_Bean at verizon.net
Wed Apr 29 04:16:13 EDT 2009
One question remains related to a photo I took (email me if you want pics).
It seems there was something on the circuit board tabs, perhaps a conductive
paste or conductive glue? It is a little hard to understand why removing
the connector would damage the ribbon links if the connector is not attached
to the board in any way. Certainly it was never soldered to the board. I
didn't glue it on, but perhaps should have. Instead, I relied on spring
tension to make contact by bending the connector pins down slightly. Last
thought: if the connector is the vulnerable part - why not sell the
connector, not the whole sophisticated AFM? Should not cost more than $20,
even with a tube of _whatever_ to attach it.
>> I disconnected the black lead push connectors and then the two forbidden
screws so that the whole connector
slid out - meaning it is not soldered onto the board at all. For each of
three connectors, there is a metal ribbon soldered to the middle of the
connector pins that twists past and under the pins, locating a small hole in
the ribbon end over a button on the pins.
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