| Author |
Message |
    
Troyota
Junior Member
Username: Troyota
Post Number: 40
Registered: 4-2004
| | Posted on Thursday, December 30, 2010 - 12:19 am: | 
|
hello,
i have some questions about this pair. i got a set of these the other day with no relay in the transmitter, completely missing. i was hoping someone would know the replacement number for this or a substitute number. i have found replacements for about 30-40 bucks, but i have a box of 6v coil relays and hoping i may have one in there. the transmitter will not power up, no lights at all. i am assuming because of the relay missing. i didnt look into it much, but figured someone here would know.
now on the receiver, it will light but no rx. all tubes light, meter goes to the full scale right side, with no white noise or meter movement after warmup. (3-5 minutes) the receiver does not work without the transmitter in lineeither. im leaning towards the 2 smaller metal nuvistors under the cage. 6DS4, btw is 6CW4 a direct replacement? i have read that these are one of the first things to look at when there is no rx. like i said these are kinda new to me so please be kind. i know nothing about this set. so i just dont want to dump a load into these just to find out they are bad anyway. i know they are old and it takes alot of cash to get them to perform to todays standards. i was told that a tram d201 relay would work in this, but isnt the coil on a 201 115v?
thank you |
Tech833
Moderator
Username: Tech833
Post Number: 1900
Registered: 8-2002
| | Posted on Sunday, January 02, 2011 - 12:48 pm: |
|
Lots to cover here.
I would highly suggest you acquire the Sam's Photofact for your radio. Before you spend any money on tubes- Start by checking all the capacitors for shorts or leakage. The cheap electrolytics used in the Browning are your first suspects. But, more important, before you even go there, check the power transformer. Don't just do an ohm check, check the voltages on all windings.
In my experience, the tubes (and nuvistors) are the least of your worries. Very seldom do I find a bad tube in an old radio. 99.9% of the time, I do find one or more bad capacitors, and 80% of the time, I find resistors out of tolerance. Maybe 10% of the time, find open coils or bad I.F. transformers in receivers. 1% of the time or less, I find a bad or leaky tube.
If you feel this may be bayond your skill level, refer this work to someone who is comfortable with it. Your radio contains lethal voltages.
Your radio 'Mythbuster' since 1998
|
Teham
Intermediate Member
Username: Teham
Post Number: 106
Registered: 1-2004
| | Posted on Sunday, April 03, 2011 - 6:32 am: |
|
there is no sam's for this. however, if u do a search for tubes plus he might have a copy of the owners manual and schematic. He may also have the relays. I would almost bet the caps r bad in the power supply. These working r worth around $500. If u do a search for browning there is a place that works on brownings but charges $35 an hour plus parts. tony/n5jva/cef 259 |
|
