Hmmm ...
Some questions on here are easily answered by either a yes or no.
Not with Mike however ...
As a result, I went out to my garage and now have the manuals on
the Motorola Micor Community Repeater ...
The Micor Manual Part Numbers are as follows:
RF Specific 68P81025E50 406-420; 450-470 & 470-512 MHz -
Control and Application 68P81025E60
Community Repeater (RT) 68P81025E55
The 'Four User Control Module' as it is labeled, in the manual I
have here, model number is TLN1685A. This is used with the Micor
UHF C64RCB-3105AY.
How this differs as compared to your TLN5745A board is anybody's
guess:
The use of this board is it needs to used with the Micor Station
Master Decoder Module TRN6165A ... as this board supplies the
needed signal at the correct level for the other board. You can
probably find a similar signal at the correct level on your Model
TRN6002A "Private-Line" Tone-Coded Squelch Decoder.
Remember the PL Decoder reed is expecting approximately 0.8VAC
peak-to-peak signal driving the primary. The emitter of the driver
transistor has about 8V peak-to-peak.
Remember, the back plane (mother board) of the Micor Community
Repeater is unlike what you will find on the standard single user
repeater.
Community Repeater mother board part number: TCN1211A
Standard Single User mother board part numberS:
TCN1187A/TCN1190A/TCN1224A/TCN1225A
all depending on how you wish to read the manual ...
Tha manual I have here, 68P81025E55, has the following as pin
connections for the TLN1685A Tone "PL" Four-User Control Module:
1 NC
2 NC
3 "PL" Tone Input
4 NC
5 NC
6 NC
7 NC
8 NC
9 NC
10 NC
11 Detector Emitter Bias (from the Master Decoder Board, pin 11)
12 A+
13 NC
14 NC
15 NC
16 NC
17 NC
18 Detector Base Bias (from the Master Decoder Board, pin 18)
19 No. 1 Decoded Output
20 No. 2 Decoded Output
21 No. 3 Decoded Output
22 No. 4 Decoded Output
23 Gating Signal (Gnd if not used with a single tone decoder)
24 Switched Ground Output (to Master Decoder Output Switch)
Hope this helps,
Neil McKie - WA6KLA
Mike WA6ILQ wrote:
>
> At 12:44 PM 7/30/04, you wrote:
>
> > Group,
> > I have another mystery card here. It came from a Micor station
> > and says "MULTI PL DECODER" on the front and has four reeds in it.
> > The part number is TLN5745A. I have a gob of Micor manuals but this
> > one I can't find. Anyone have any tech data on this they'd care to
> > share?
> >
> > Thanks,
> > Al, K9SI
>
> I have two of those cards (one in service and one spare), but my docs
> evaporated.
>
> Call Moto Parts ID and give them the TLN number, they were able to fax
> me
> the schematic of the card. Unfortunately I loaned my Micor repeater
> binder out
> about 2 years ago and I had to retrieve it under rather unpleasant
> circumstances
> and it came back missing about 1/5 of the contents, and the docs on
> that card
> was part of what was missing. This is one reason that I no longer
> loan stuff out...
> I will meet anyone at a xerox shop somewhere but my originals arrive
> and leave
> with me...
>
> As I remember the card goes in the single-tone decoder slot of a Micor
> control
> chassis and provides 4 PL decoders in addition the one in the RX
> chassis.
>
> I modified the card by adding 2mm LEDs above each switch and a DB-9
> female
> on the front plate. The LEDs and the DB-9 outputs were driven by NPN
> open
> collector drivers I added to the board.
>
> We needed to allow 146.2hz all the time and to enable 100hz and 127.3
> as needed.
> A small relay board was controlled by digital outputs on the Scom 7K
> and the
> enabled PLs were diode ORed to the PL input to the 7K. A TS-32 was
> controlled
> by the 7K and sent 146.2 or 100hz as needed.
>
> If you get usable docs from Moto please send me a copy for
> repeater-builder.com
>
> Mike WA6ILQ
>
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