Msg Nr.     : 157560
Da          : IW3GRW
Per         : TMP   
Tipo/status : PN
Data/ora    : 0225/0014
Dimensione  : 1632
Bid (Mid)   : 2018-IW3GRW
Titolo      : Aclune modifiche per il TM221 

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From: wa2ise@cbnewsb.cb.att.com (robert.f.casey)
Newsgroups: rec.radio.amateur.misc
Subject: TM221a, no TX in high power mode fix
Keywords: fix
Message-ID: <1991Dec10.045531.26853@cbfsb.att.com>
Date: 10 Dec 91 04:55:31 GMT
Sender: news@cbfsb.att.com
Organization: AT&T Bell Laboratories
Lines: 36


copied from packet:
 Msg# TSF  Size #Rd  Date  Time From   MsgID        To
 8736 BF   1141   0 07-Dec 0512 KD2EJ  28379_WB2QJA INFO@ALLBBS ()
 Sb: TM-221 NO HIGH PWR TXMT.

SB-933

TM-221A No TX in High Power Due to Voltage Drop  4-11-88


Some TM-221A transceivers may intermittently not transmit in
the high power mode.   This condition may be the result of a
voltage drop at the fuse terminals on the power cord.  To 
prevent a voltage drop, solder the terminals by following 
the procedure below.


1Disconnect the antenna and power supply.

2Open and remove the plastic fuse holder.

3Remove the fuse from the terminals.

4Flow solder between the terminals and the exposed
strands of the cable.

5Allow the terminals to cool and then reinstall the
fuse and close the holder.


This modification may be covered under warranty.
Time required for this modification is 0.24 hrs or less.
(c) 42788TKC
===============================================================
Note: I haven't tried or verified this, proceed at your own risk. WA2ISE


 
Copied from the QRZ! Windows Ham Radio CDROM
 
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