Re: PRO2042 MOD


Posted by DORK on January 07, 1998 at 16:16:08:

In Reply to: Re: Pro-2036 Cell Mods? posted by Bomber on April 18, 1997 at 06:37:46:


: I did the BC890XLT mod on the pro-2036, but I
: got 66-88 MHZ, and lost 29-54. I think the
: reason for this was that when my scanner was
: serviced, they took out R546, R547, R548, all
: hooked to the keypad, so that if I did the mod
: it wouldnt work. pin 71 on the chip is CEL, pin
: 70 is FB (foreign band), those are linked to R513
: and R514 respectively, if your scanner has the R
: 546,547,548 resistors try the BC890XLT mod listed
: on the net. if you open the whole thing up
: find the chip located behind the face plate.
: there are 3 little black resistors to the top-right
: corner.. CAREFULLY desolder the lowest one, and
: move it and resolder to the two empty copper pads
: closest the the backup battery.. my only problem
: is if to resloder hirosontally or vertically..
: let me draw a pic...

: r512 o-o o o <-empty pads
: r514 o-o o o <-empty pads
: r513 o-o

: --------- battery --->>
: | UC14xx | <-- main processor

: you either solder r513 next to r514, or from the
: top right one, to the bottom right one, of those
: 4 o's that have nothing on them..
: the r512 is for CTCSS... dont touch it.
: if you want 66.0-88.0 resolder r513 to the right.
: AT YOUR OWN RISK.. no GUARENTEEs




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